diff --git a/README.md b/README.md index 6c10f84a..1cc4cecd 100644 --- a/README.md +++ b/README.md @@ -59,14 +59,16 @@ outline.js 的支持的滚动元素可以是 Window 窗口，也可以是某个 * sticky 定位：[https://yaohaixiao.github.io/outline.js/sticky.html](https://yaohaixiao.github.io/outline.js/sticky.html) ![fixed 定位](https://yaohaixiao.github.io/outline.js/img/fixed.png) -* fixed 定位：[https://yaohaixiao.github.io/outline.js/fixed.html](https://yaohaixiao.github.io/outline.js/fixed.html) +* fixed 定位（不显示按钮工具栏）：[https://yaohaixiao.github.io/outline.js/fixed.html](https://yaohaixiao.github.io/outline.js/fixed.html) ### DOM 元素滚动 ![flex 布局](https://yaohaixiao.github.io/outline.js/img/flex.png) -* flex 布局：[https://yaohaixiao.github.io/outline.js/flex.html](https://yaohaixiao.github.io/outline.js/flex.html) +* flex 布局（超长文章）：[https://yaohaixiao.github.io/outline.js/flex.html](https://yaohaixiao.github.io/outline.js/flex.html) +### Anchors 模块独立调用 +* Anchors 模块（仅给文章的标题添加）：[https://yaohaixiao.github.io/outline.js/anchors.html](https://yaohaixiao.github.io/outline.js/anchors.html) ## 浏览器支持 @@ -224,6 +226,8 @@ const outline = new Outline({ // 当值为 false 时，则采用高亮当前章节标题的链接文字并加粗文字 // 如果喜欢更简洁的高亮效果，可以选择设置为 false animationCurrent: true, + // 是否显示侧边的按钮工具栏 + hasToolbar: true, // 标题图标链接的 URL 地址 // （默认）没有设置定制，点击链接页面滚动到标题位置 // 设置了链接地址，则不会滚动定位 @@ -478,6 +482,7 @@ Outline.DEFAULTS = { placement: 'rtl', showCode: true, animationCurrent: true, + hasToolbar: true, anchorURL: '', stickyHeight: 0, homepage: '', diff --git a/api/pug/anchors.pug b/api/pug/anchors.pug new file mode 100644 index 00000000..453a93c7 --- /dev/null +++ b/api/pug/anchors.pug @@ -0,0 +1,21 @@ +doctype html +html(lang='en') + head + include ./meta + title outline.js - 自动生成文章导读（Table of Contents）导航的 JavaScript 工具 + link(href="css/example.min.css" rel="stylesheet") + body + .paper + header#header.header + h1.title Outline.js + article#article.article + main#main.article__main + include ./example + h2 License + p JavaScript Code Licensed under MIT License. + p API Documentation Licensed under CC BY 3.0 + footer.footer + include ./footer + script(src="js/anchors.min.js") + script. + new Anchors(Anchors.DEFAULTS) diff --git a/api/pug/fixed.pug b/api/pug/fixed.pug index 10e2a023..65332ba5 100644 --- a/api/pug/fixed.pug +++ b/api/pug/fixed.pug @@ -32,6 +32,7 @@ html(lang='en') defaults.parentElement = '#aside' defaults.stickyHeight = 86 defaults.homepage = './index.html' + defaults.hasToolbar = false defaults.afterSticky = function(closed, isStickying) { const $nav = this.$el const BORDER_RIGHT = 'utils-border-right' diff --git a/api/pug/options/animationCurrent.pug b/api/pug/options/animationCurrent.pug index a20fb6a3..1f577573 100644 --- a/api/pug/options/animationCurrent.pug +++ b/api/pug/options/animationCurrent.pug @@ -1,6 +1,6 @@ section.section header.section__header - h.section__h3 animationCurrent + h3.section__h3 animationCurrent div.section__content h4.section__h4 Description dl.section__dl diff --git a/api/pug/options/hasToolbar.pug b/api/pug/options/hasToolbar.pug new file mode 100644 index 00000000..df33a462 --- /dev/null +++ b/api/pug/options/hasToolbar.pug @@ -0,0 +1,15 @@ +section.section + header.section__header + h3.section__h3 hasToolbar + div.section__content + h4.section__h4 Description + dl.section__dl + dt.section__dt Type： + dd.section__dd Boolean + dl.section__dl + dt.section__dt Default： + dd.section__dd true + p 可选，是否显示侧边的按钮工具栏： + ul + li true - 显示按钮工具栏（默认值）； + li false - 不显示按钮工具栏； diff --git a/api/pug/options/section.pug b/api/pug/options/section.pug index fbd57b5e..e4738fc4 100644 --- a/api/pug/options/section.pug +++ b/api/pug/options/section.pug @@ -3,24 +3,26 @@ section.section h2.section__title Options div.section__content p outline.js 有者丰富的配置选项，以便适应不同的展示方式。 - include articleElement - include title - include scrollElement - include position - include parentElement - include placement - include stickyHeight - include showCode - include animationCurrent - include anchorURL - include homepage - include git - include tags - include issues - include tools - include print - include customClass - include afterScroll - include afterSticky - include afterToggle - include chpaterTextFilter + include ./articleElement + include ./selector + include ./title + include ./scrollElement + include ./position + include ./parentElement + include ./placement + include ./stickyHeight + include ./showCode + include ./animationCurrent + include ./hasToolbar + include ./anchorURL + include ./homepage + include ./git + include ./tags + include ./issues + include ./tools + include ./print + include ./customClass + include ./afterScroll + include ./afterSticky + include ./afterToggle + include ./chpaterTextFilter diff --git a/api/pug/options/showCode.pug b/api/pug/options/showCode.pug index c83f855c..f76498f1 100644 --- a/api/pug/options/showCode.pug +++ b/api/pug/options/showCode.pug @@ -1,6 +1,6 @@ section.section header.section__header - h.section__h3 showCode + h3.section__h3 showCode div.section__content h4.section__h4 Description dl.section__dl diff --git a/api/pug/properties/defaults.pug b/api/pug/properties/defaults.pug index e93291e5..56f4abd9 100644 --- a/api/pug/properties/defaults.pug +++ b/api/pug/properties/defaults.pug @@ -50,6 +50,8 @@ section.section stickyHeight: 0, // 是否显示标题编号 showCode: true, + // 是否显示侧边的按钮工具栏 + hasToolbar: true, // 指定是否采用动画定位高亮当前的章节标题，默认值：true // 当值为 false 时，则采用高亮当前章节标题的链接文字并加粗文字 // 如果喜欢更简洁的高亮效果，可以选择设置为 false diff --git a/build/rollup.config.api.js b/build/rollup.config.api.js index 3352d5a1..1747554c 100644 --- a/build/rollup.config.api.js +++ b/build/rollup.config.api.js @@ -21,5 +21,55 @@ export default [ sourcemap: true }, plugins: PLUGIN_CONFIG + }, + { + input: './anchors.js', + output: { + name: 'Anchors', + file: './docs/js/anchors.min.js', + format: 'umd', + sourcemap: true + }, + plugins: PLUGIN_CONFIG + }, + { + input: './chapters.js', + output: { + name: 'Chapters', + file: './docs/js/chapters.min.js', + format: 'umd', + sourcemap: true + }, + plugins: PLUGIN_CONFIG + }, + { + input: './drawer.js', + output: { + name: 'Drawer', + file: './docs/js/drawer.min.js', + format: 'umd', + sourcemap: true + }, + plugins: PLUGIN_CONFIG + }, + { + input: './toolbar.js', + output: { + name: 'Toolbar', + file: './docs/js/toolbar.min.js', + format: 'umd', + sourcemap: true + }, + plugins: PLUGIN_CONFIG + }, + { + input: './message.js', + output: { + name: 'Message', + file: './docs/js/message.min.js', + format: 'umd', + sourcemap: true + }, + plugins: PLUGIN_CONFIG } ] diff --git a/build/rollup.config.lib.js b/build/rollup.config.lib.js index 03c27696..10ef98c9 100644 --- a/build/rollup.config.lib.js +++ b/build/rollup.config.lib.js @@ -71,16 +71,5 @@ export default [ sourcemap: true }, plugins: PLUGIN_CONFIG - }, - // build for documentation - { - input: './outline.js', - output: { - name: 'Outline', - file: './docs/js/outline.min.js', - format: 'umd', - sourcemap: true - }, - plugins: PLUGIN_CONFIG } ] diff --git a/chapters.min.js.map b/chapters.min.js.map index e94ba72c..15d82e25 100644 --- a/chapters.min.js.map +++ b/chapters.min.js.map @@ -1 +1 @@ -{"version":3,"file":"chapters.min.js","sources":["utils/types/isString.js","utils/lang/hasOwn.js","utils/lang/toString.js","utils/types/isFunction.js","utils/types/isObject.js","utils/observer/_subscribers.js","utils/observer/_hasDirectSubscribersFor.js","utils/observer/has.js","utils/observer/_hasSubscribers.js","utils/observer/emit.js","utils/types/isTypedArray.js","utils/lang/guid.js","utils/observer/_removeSubscriber.js","utils/observer/off.js","utils/observer/_removeSubscriberByToken.js","base.js","utils/lang/extend.js","utils/observer/on.js","utils/types/isElement.js","utils/lang/later.js","utils/event/enum.js","utils/event/_off.js","utils/event/_delete.js","utils/event/purgeElement.js","utils/event/getListeners.js","utils/event/off.js","utils/event/at.js","utils/dom/matches.js","utils/dom/getParentOrHost.js","utils/event/on.js","utils/event/getTarget.js","utils/dom/resolveTextNode.js","utils/dom/closest.js","utils/types/isArray.js","utils/types/isDOM.js","utils/types/isHTMLCollection.js","utils/types/isFragment.js","utils/types/isTextNode.js","utils/dom/createElement.js","utils/dom/setAttributes.js","utils/dom/setAttribute.js","utils/lang/easeInQuad.js","utils/dom/_getScrollElement.js","utils/dom/hasClass.js","utils/dom/addClass.js","utils/dom/removeClass.js","utils/lang/trim.js","utils/dom/offsetTop.js","utils/dom/getStyle.js","utils/dom/setProperty.js","utils/lang/cloneDeep.js","utils/lang/timeSlice.js","chapters.js","_paintChapters.js","utils/dom/scrollTo.js","utils/dom/intersection.js","utils/event/stop.js"],"sourcesContent":["/**\n * 检测数据是否为 String 类型\n * ========================================================================\n * @method isArray\n * @param {*} str\n * @returns {boolean}\n */\nconst isString = (str) => {\n return typeof str === 'string'\n}\n\nexport default isString\n","/**\n * 检测对象自身属性中是否具有指定的属性。\n * ========================================================================\n * @method hasOwn\n * @param {Object} obj - （必须）检测的目标对象\n * @param {String} prop - （必须）属性名\n * @returns {Boolean}\n */\nconst hasOwn = (obj, prop) => {\n const hasOwnProperty = Object.prototype.hasOwnProperty\n return obj && hasOwnProperty.call(obj, prop)\n}\n\nexport default hasOwn\n","/**\n * Object 对象原型上的 toString 方法\n * ========================================================================\n * @method toString\n * @param {*} val\n * @returns {string}\n */\nconst toString = (val) => {\n return Object.prototype.toString.apply(val)\n}\n\nexport default toString\n","import toString from '../lang/toString'\n\n/**\n * 检测测试数据是否为 Function 类型\n * ========================================================================\n * @method isFunction\n * @param {*} val - （必须）待检测的数据\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\n */\nconst isFunction = (val) => {\n return typeof val === 'function' || toString(val) === '[object Function]'\n}\n\nexport default isFunction\n","import toString from '../lang/toString'\nimport isFunction from './isFunction'\n\n/**\n * 检测数据是否为 Object 类型\n * ========================================================================\n * @method isObject\n * @param {*} o\n * @returns {boolean}\n */\nconst isObject = (o) => {\n return (\n (toString(o) === '[object Object]' ||\n typeof o === 'object' ||\n isFunction(o)) &&\n o !== null\n )\n}\n\nexport default isObject\n","/**\n * 存储订阅者（主题和处理器的）私有对象\n * ========================================================================\n * @type {{}}\n * @private\n */\nconst _subscribers = {}\n\nexport default _subscribers\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\n * ========================================================================\n * @method _hasDirectSubscribersFor\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasDirectSubscribersFor = (topic) => {\n return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\n}\n\nexport default _hasDirectSubscribersFor\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\nimport _hasSubscribers from './_hasSubscribers'\n\n/**\n * 判断是否存在包含 topic 指定的订阅者信息\n * ========================================================================\n * @method has\n * @param {String} topic - （必须）主题名称\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\n * @returns {Boolean}\n */\nconst has = (topic, isDirect = true) => {\n return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\n}\n\nexport default has\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * 判断是否存在包含给定 topic 相关的订阅者信息\n * ========================================================================\n * @method _hasSubscribers\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasSubscribers = (topic) => {\n let found = _hasDirectSubscribersFor(topic)\n let position = topic.lastIndexOf('.')\n\n while (!found && position !== -1) {\n topic = topic.substring(0, position)\n position = topic.lastIndexOf('.')\n found = _hasDirectSubscribersFor(topic)\n }\n\n return found\n}\n\nexport default _hasSubscribers\n","import isTypedArray from '../types/isTypedArray'\nimport _subscribers from './_subscribers'\nimport has from './has'\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * （异步）发布订阅主题信息\n * ========================================================================\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。\n * ========================================================================\n * @method emit\n * @param {String} topic - （必须）主题名称\n * @param {Object} [data] - （可选）数据对象\n * @param {Boolean} [async] - (可选) 是否异步发布\n */\nconst emit = (topic, data, async = true) => {\n const execute = (topic) => {\n if (!_hasDirectSubscribersFor(topic)) {\n return false\n }\n\n _subscribers[topic].forEach((subscriber) => {\n // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\n // 采用 toString() 方法转化为普通（JSON）字符串\n const message = isTypedArray(data) ? data.toString() : data\n\n subscriber.callback.call(subscriber.context || subscriber, message)\n })\n }\n const deliver = () => {\n let subscriber = topic\n let position = topic.lastIndexOf('.')\n\n while (position !== -1) {\n subscriber = subscriber.substring(0, position)\n position = subscriber.lastIndexOf('.')\n\n execute(subscriber)\n }\n\n // 执行 topic 对应的处理器\n execute(topic)\n // 执行特殊 topic：'*'（监听全部消息的发布）\n execute('*')\n }\n\n if (!has(topic)) {\n return false\n }\n\n if (async) {\n setTimeout(deliver, 10)\n } else {\n deliver()\n }\n}\n\nexport default emit\n","import toString from '../lang/toString'\n/**\n * 判断检测数据是否为 Typed Arrays 类型的数据\n * ========================================================================\n * @param {*} val\n * @returns {boolean}\n */\nconst isTypedArray = (val) => {\n const TYPES = [\n '[object Int8Array]',\n '[object Uint8Array]',\n '[object Uint8ClampedArray]',\n '[object Int16Array]',\n '[object Uint16Array]',\n '[object Int32Array]',\n '[object Uint32Array]',\n '[object Float32Array]',\n '[object Float64Array]',\n '[object BigInt64Array]',\n '[object BigUint64Array]'\n ]\n\n return TYPES.indexOf(toString(val)) > -1\n}\n\nexport default isTypedArray\n","/**\n * 生成唯一 id 字符串的函数\n * ========================================================================\n * @method guid\n * @param {String} [prefix] - 生成 id 的前缀字符串\n * @return {String} 返回一个表示唯一 id 的字符串\n */\nconst guid = (() => {\n let uuid = 0\n\n return (prefix) => {\n uuid += 1\n\n return prefix ? prefix + '-' + uuid : 'guid-' + uuid\n }\n})()\n\nexport default guid\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 删除与给定 topic 相同的订阅者信息\n * ========================================================================\n * @method _removeSubscriber\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _removeSubscriber = (topic) => {\n if (!hasOwn(_subscribers, topic)) {\n return false\n }\n\n delete _subscribers[topic]\n}\n\nexport default _removeSubscriber\n","import has from './has'\nimport _removeSubscriber from './_removeSubscriber'\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\n\n/**\n * 取消订阅主题\n * ========================================================================\n * @method off\n * @param {String} topic - （必须）订阅的主题\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\n */\nconst off = (topic, token) => {\n if (!has(topic)) {\n return false\n }\n\n if (token) {\n _removeSubscriberByToken(token)\n } else {\n _removeSubscriber(topic)\n }\n}\n\nexport default off\n","import _subscribers from './_subscribers'\nimport _removeSubscriber from './_removeSubscriber'\n\n/**\n * 通过订阅者 token 值删除订阅者信息\n * ========================================================================\n * @method _removeSubscriberByToken\n * @param {String} token - 订阅者 token 字符串\n * @returns {boolean}\n * @private\n */\nconst _removeSubscriberByToken = (token) => {\n const keys = Object.keys(_subscribers)\n let index = -1\n\n if (!token || keys.length < 1) {\n return false\n }\n\n keys.forEach((subject) => {\n const subscriber = _subscribers[subject]\n let topic\n\n subscriber.forEach((execution, j) => {\n if (execution.callback === token || execution.token === token) {\n topic = execution.topic\n subscriber.splice(index, j)\n }\n })\n\n /* istanbul ignore else */\n if (subscriber.length < 1) {\n _removeSubscriber(topic)\n }\n })\n}\n\nexport default _removeSubscriberByToken\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\nimport publish from './utils/observer/emit'\r\nimport subscribe from './utils/observer/on'\r\nimport unsubscribe from './utils/observer/off'\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 $emit(event, data) {\r\n publish(event, data)\r\n return this\r\n }\r\n\r\n $on(event, callback) {\r\n subscribe(event, callback, this)\r\n return this\r\n }\r\n\r\n $off(event, callback) {\r\n unsubscribe(event, callback)\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'\n\n/**\n * 扩展对象\n * ========================================================================\n * @method extend\n * @param {Object} origin\n * @param {Object} source\n */\nconst extend = (origin, source) => {\n const keys = Object.keys(source)\n\n keys.forEach((prop) => {\n if (hasOwn(source, prop)) {\n origin[prop] = source[prop]\n }\n })\n}\n\nexport default extend\n","import _subscribers from './_subscribers'\nimport isFunction from '../types/isFunction'\nimport guid from '../lang/guid'\n\n/**\n * 订阅主题，并给出处理器函数\n * ========================================================================\n * @method on\n * @param {String} topic - （必须）主题名称\n * @param {Function} handler - （必须）主题的处理器函数\n * @param {Object} [context] - （可选）指定 this 执行上下文\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\n */\nconst on = (topic, handler, context = null) => {\n const token = guid()\n let subject = typeof topic === 'symbol' ? topic.toString() : topic\n\n if (!isFunction(handler)) {\n return ''\n }\n\n /* istanbul ignore else */\n if (!_subscribers[subject]) {\n _subscribers[subject] = []\n }\n\n _subscribers[subject].push({\n topic: subject,\n callback: handler,\n context,\n token\n })\n\n return token\n}\n\nexport default on\n","import isObject from './isObject'\n\n/**\n * 检测数据是否为 HTMLElement DOM 节点\n * ========================================================================\n * @method isElement\n * @param {*} o\n * @returns {boolean}\n */\nconst isElement = (o) => {\n return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\n}\n\nexport default isElement\n","import isFunction from '../types/isFunction'\n\n/**\n * later - 延迟执行方法\n * ========================================================================\n * @method later\n * @param {Function} fn\n * @param {Number} [delay]\n * @returns {number|boolean}\n */\nconst later = (fn, delay = 300) => {\n if (!isFunction(fn)) {\n return false\n }\n\n return setTimeout(() => {\n fn()\n }, delay)\n}\n\nexport default later\n","export const CAPTURE_EVENTS = [\n 'focusout',\n 'blur',\n 'focusin',\n 'focus',\n 'load',\n 'unload',\n 'mouseenter',\n 'mouseleave'\n]\n","import { CAPTURE_EVENTS } from './enum'\nimport _delete from './_delete'\n\n/**\n * （私有方法）取消 type 类型的代理事件绑定\n * ========================================================================\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\n * ========================================================================\n * @method _off\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} fn - （必须）事件处理器回调函数\n * @private\n */\nconst _off = (el, type, fn) => {\n const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n /* istanbul ignore else */\n if (fn._delegateListener) {\n fn = fn._delegateListener\n delete fn._delegateListener\n }\n\n // 移除缓存的 _listeners 数据\n _delete(el, type, fn)\n\n el.removeEventListener(type, fn, capture)\n}\n\nexport default _off\n","/**\n * 删除 DOM 元素缓存的 _listeners 数据\n * ========================================================================\n * @method _delete\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\n * @param {String} type - 事件类型（名称）\n * @param {Function} [fn] - 事件处理器回调函数\n */\nconst _delete = function (el, type, fn) {\n const listeners = el._listeners\n let index = -1\n\n if (listeners.length < 1) {\n return false\n }\n\n // 移除缓存的 _listeners 数据\n listeners.forEach((listener, i) => {\n const handler = listener.fn\n\n if (type === listener.type) {\n index = i\n\n if (handler === fn) {\n index = i\n }\n }\n })\n\n /* istanbul ignore else */\n if (index > -1) {\n listeners.splice(index, 1)\n }\n}\n\nexport default _delete\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\nimport getListeners from './getListeners'\nimport _off from './_off'\n\n/**\n * 销毁（type 类型的）代理事件绑定\n * ========================================================================\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\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\n * ========================================================================\n * @method purgeElement\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\n * @param {String|Boolean} type - （必须）事件类型\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\n */\nconst purgeElement = function (el, type, recurse = false) {\n const $element = isString(el) ? document.querySelector(el) : el\n const $children = $element.childNodes\n const listeners = getListeners($element, type)\n\n listeners.forEach((listener) => {\n _off($element, listener.type, listener.fn)\n })\n\n if (\n (recurse || type === true || arguments.length === 1) &&\n $element &&\n $children\n ) {\n $children.forEach(($child) => {\n if (isElement($child)) {\n purgeElement($child, type, recurse)\n }\n })\n }\n}\n\nexport default purgeElement\n","import isString from '../types/isString'\n\n/**\n * 获取 DOM 元素（type 事件类型）事件绑定信息\n * ========================================================================\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\n * ========================================================================\n * @methods getListeners\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\n * @param {String} [type] - （可选）事件类型\n * @returns {Array} - 已绑定的事件信息\n */\nconst getListeners = (el, type) => {\n let listeners = el._listeners || []\n\n if (isString(type) && type) {\n listeners = listeners.filter((listener) => {\n return listener.type === type\n })\n }\n\n return listeners\n}\n\nexport default getListeners\n","import purgeElement from './purgeElement'\nimport isFunction from '../types/isFunction'\nimport _off from './_off'\n\n/**\n * 取消 type 类型的代理事件绑定\n * ========================================================================\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\n * ========================================================================\n * @method off\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} [fn] - （可选）事件处理器回调函数\n */\nconst off = (el, type, fn) => {\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\n if (!isFunction(fn)) {\n return purgeElement(el, type)\n }\n\n _off(el, type, fn)\n}\n\nexport default off\n","import isFunction from '../types/isFunction'\nimport off from './off'\n\nimport { CAPTURE_EVENTS } from './enum'\n\n/**\n * 绑定事件\n * ========================================================================\n * @method at\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\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\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，\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\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\n * @param {Boolean} once - （可选）是否仅触发一次\n */\nconst at = (el, type, fn, data, context, once = false) => {\n // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\n const capture = CAPTURE_EVENTS.indexOf(type) > -1\n const listener = function (evt) {\n let overrideContext = context || el\n\n // 当设置为 true 时，则事件处理器回调函数的\n // this 上下文指向为 data 对象\n if (context === true) {\n overrideContext = data\n }\n\n // 仅触发一次\n /* istanbul ignore else */\n if (once === true) {\n off(el, type, listener)\n }\n\n fn.call(overrideContext, evt, data)\n }\n\n if (!isFunction(fn)) {\n return false\n }\n\n if (!el._listeners) {\n el._listeners = []\n }\n\n // 缓存 options 元素绑定的事件处理器\n el._listeners.push({\n el,\n type,\n fn: listener,\n data,\n context,\n capture\n })\n\n // 缓存包装后的事件处理器\n fn._delegateListener = listener\n\n el.addEventListener(type, listener, capture)\n}\n\nexport default at\n","/**\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\n * ========================================================================\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\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\n * 标 DOM 元素是否为事件代理所期望触发的目标。\n * ========================================================================\n * @method matches\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\n * @returns {Boolean}\n */\nconst matches = (el, selector = '') => {\n const sel = selector.replace(/^>/i, '')\n\n if (!selector || !sel || !el) {\n return false\n }\n\n /* istanbul ignore else */\n if (el.matches) {\n return el.matches(sel)\n } else if (el.msMatchesSelector) {\n return el.msMatchesSelector(sel)\n } else {\n return false\n }\n}\n\nexport default matches\n","/**\n * 获取 DOM 元素的父节点\n * ========================================================================\n * @method getParentOrHost\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\n * @returns {*|HTMLElement}\n */\nconst getParentOrHost = (el) => {\n return el.host && el !== document && el.host.nodeType\n ? el.host\n : el.parentNode\n}\n\nexport default getParentOrHost\n","import closest from '../dom/closest'\nimport off from './off'\nimport getTarget from './getTarget'\n\nimport { CAPTURE_EVENTS } from './enum'\n\n/**\n * 绑定代理事件\n * ========================================================================\n * @method on\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\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\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，\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\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\n * @param {Boolean} once - （可选）是否仅触发一次\n */\nconst on = (el, selector, type, fn, data, context, once = false) => {\n // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\n const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n const listener = function (evt) {\n const target = getTarget(evt)\n // 通过 Element.matches 方法获得点击的目标元素\n const delegateTarget = closest(target, selector, el)\n let overrideContext = context || el\n\n evt.delegateTarget = delegateTarget\n\n // 当设置为 true 时，则事件处理器回调函数的\n // this 上下文指向为 data 对象\n if (context === true) {\n overrideContext = data\n }\n\n /* istanbul ignore else */\n if (delegateTarget) {\n // 仅触发一次\n /* istanbul ignore else */\n if (once === true) {\n off(el, type, listener)\n }\n\n fn.call(overrideContext, evt, data)\n }\n }\n\n if (!el._listeners) {\n el._listeners = []\n }\n\n // 缓存 options 元素绑定的事件处理器\n el._listeners.push({\n el,\n selector,\n type,\n fn: listener,\n data,\n context,\n capture\n })\n\n // 缓存包装后的事件处理器\n fn._delegateListener = listener\n\n el.addEventListener(type, listener, capture)\n}\n\nexport default on\n","import resolveTextNode from '../dom/resolveTextNode'\n\n/**\n * 返回触发事件的 target DOM 元素\n * ========================================================================\n * @method getTarget\n * @param {Event} evt - Event 对象\n * @return {HTMLElement} - Event 对象的 target DOM 元素\n */\nconst getTarget = function (evt) {\n const target = evt.target\n\n return resolveTextNode(target)\n}\n\nexport default getTarget\n","/**\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。\n * resolveTextNode() 方法则会返回实际的目标节点。\n * ========================================================================\n * @method resolveTextNode\n * @param {HTMLElement|Text} el - 要解析的节点\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\n */\nconst resolveTextNode = function (el) {\n if (el && el.nodeType === 3) {\n return el.parentNode\n }\n\n return el\n}\n\nexport default resolveTextNode\n","import matches from './matches'\nimport getParentOrHost from './getParentOrHost'\n\n/**\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\n * ========================================================================\n * @method closest\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）DOM 元素的选择其\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\n */\nconst closest = (el, selector, ctx, includeCTX) => {\n const context = ctx || document\n\n if (!el) {\n return null\n }\n\n do {\n /* istanbul ignore else */\n if (\n (selector != null &&\n (selector.startsWith('>')\n ? el.parentNode === context && matches(el, selector)\n : matches(el, selector))) ||\n (includeCTX && el === context)\n ) {\n return el\n }\n\n /* istanbul ignore else */\n if (el === context) {\n break\n }\n\n /* jshint boss:true */\n } while ((el = getParentOrHost(el)))\n}\n\nexport default closest\n","import toString from '../lang/toString'\n\n/**\n * 检测数据是否为 Array 类型\n * ========================================================================\n * @method isArray\n * @param {*} o\n * @returns {boolean}\n */\nconst isArray = (o) => {\n if (Array.isArray) {\n return Array.isArray(o)\n } else {\n return toString(o) === '[object Array]'\n }\n}\n\nexport default isArray\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'\nimport isObject from './isObject'\n\nconst isFragment = (fragment) => {\n return !!(\n isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\n )\n}\n\nexport default isFragment\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 isObject from '../types/isObject'\nimport isString from '../types/isString'\nimport isArray from '../types/isArray'\nimport isDOM from '../types/isDOM'\nimport setAttributes from './setAttributes'\n\n/**\n * 创建 DOM 节点，并添加属性和子节点\n * ========================================================================\n * @method createElement\n * @param {String} tagName - 标签名称\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\n * @returns {HTMLElement}\n */\nconst createElement = (tagName, attrs, children) => {\n const $fragment = document.createDocumentFragment()\n const $el = document.createElement(tagName)\n const isValidChild = (child) => {\n return isDOM(child) || isString(child)\n }\n const append = (child) => {\n let $child\n\n if (!isValidChild(child)) {\n return false\n }\n\n if (isDOM(child)) {\n $child = child\n } else if (isString(child)) {\n $child = document.createTextNode(child)\n }\n\n $fragment.appendChild($child)\n }\n\n if (isObject(attrs)) {\n setAttributes($el, attrs)\n } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\n attrs.forEach((child) => {\n append(child)\n })\n } else if (isDOM(attrs)) {\n append(attrs)\n } else if (isString(attrs)) {\n append(document.createTextNode(attrs))\n }\n\n if (isArray(children)) {\n children.forEach((child) => {\n append(child)\n })\n } else {\n append(children)\n }\n\n $el.appendChild($fragment)\n\n return $el\n}\n\nexport default createElement\n","import isObject from '../types/isObject'\nimport hasOwn from '../lang/hasOwn'\nimport setAttribute from './setAttribute'\n\nconst setAttributes = (el, attrs) => {\n if (!el || !isObject(attrs)) {\n return false\n }\n\n Object.keys(attrs).forEach((attr) => {\n const value = attrs[attr]\n if (hasOwn(attrs, attr)) {\n setAttribute(el, attr, value)\n }\n })\n}\n\nexport default setAttributes\n","/**\n * 给 DOM 节点设置属性/值\n * ========================================================================\n * @method setAttribute\n * @param {HTMLElement} el - DOM 节点\n * @param {String} attr - 属性名称\n * @param {String|Number|Boolean} value - 属性值\n */\nconst setAttribute = (el, attr, value) => {\n let tagName = el.tagName.toLowerCase()\n\n switch (attr) {\n case 'style':\n el.style.cssText = value\n break\n case 'value':\n if (tagName === 'input' || tagName === 'textarea') {\n el.value = value\n } else {\n el.setAttribute(attr, value)\n }\n break\n case 'htmlFor':\n el.setAttribute('for', value)\n break\n case 'className':\n el.className = value\n break\n case 'innerHTML':\n el.innerHTML = value\n break\n case 'innerText':\n el.innerText = value\n break\n default:\n el.setAttribute(attr, value)\n break\n }\n}\n\nexport default setAttribute\n","/**\n * 返回给定值的平方值\n * ========================================================================\n * @method easeInQuad\n * @param {Number} x\n * @returns {number}\n */\nconst easeInQuad = (x) => {\n return x * x\n}\n\nexport default easeInQuad\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\n\n/**\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\n * ========================================================================\n * @method _getScrollElement\n * @param {String|HTMLElement} scrollElement\n * @returns {Element}\n * @private\n */\nconst _getScrollElement = (scrollElement = null) => {\n let $rootElements\n let $scrollElement\n\n if (!scrollElement) {\n $rootElements = document.querySelectorAll('html,body')\n $scrollElement =\n $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\n ? $rootElements[0]\n : $rootElements[1]\n } else {\n if (isString(scrollElement)) {\n $scrollElement = document.querySelector(scrollElement)\n } else if (isElement(scrollElement)) {\n $scrollElement = scrollElement\n }\n }\n\n return $scrollElement\n}\n\nexport default _getScrollElement\n","import isElement from '../types/isElement'\n/**\n * 检测 DOM 节点是否包含名为 className 的样式\n * ========================================================================\n * @method hasClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst hasClass = (el, className) => {\n const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\n let allClass\n let classList\n\n if (!isElement(el)) {\n return false\n }\n\n allClass = el.className\n\n if (!allClass) {\n return false\n }\n\n classList = el.classList\n\n if (classList?.contains) {\n return el.classList.contains(className)\n }\n\n return !!pattern.exec(allClass)\n}\n\nexport default hasClass\n","import hasClass from './hasClass'\n\n/**\n * 给 DOM 节点添加名为 className 的样式\n * ========================================================================\n * @method addClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst addClass = (el, className) => {\n let classList\n let allClass\n\n if (hasClass(el, className)) {\n return false\n }\n\n classList = el.classList\n\n if (classList?.add) {\n classList.add(className)\n } else {\n allClass = el.className\n allClass += allClass.length > 0 ? ' ' + className : className\n el.className = allClass\n }\n}\n\nexport default addClass\n","import trim from '../lang/trim'\nimport hasClass from './hasClass'\n\n/**\n * 移除 DOM 节点的 className 样式\n * ========================================================================\n * @method removeClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst removeClass = (el, className) => {\n let allClass = el.className\n let classList\n\n if (!allClass || !hasClass(el, className)) {\n return false\n }\n\n classList = el.classList\n\n if (classList?.remove) {\n classList.remove(className)\n } else {\n allClass = trim(allClass.replace(className, ''))\n el.className = allClass\n }\n}\n\nexport default removeClass\n","import isString from '../types/isString'\n\n/**\n * 清楚字符串起始位置所有的空格\n * ========================================================================\n * @method trim\n * @param {string} str\n * @returns {string|Boolean}\n */\nconst trim = (str) => {\n if (!isString(str)) {\n return false\n }\n return str.replace(/(^\\s+)|(\\s+$)/g, '')\n}\n\nexport default trim\n","/**\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\n * ========================================================================\n * @method offsetTop\n * @param {HTMLElement} el - DOM 节点\n * @returns {Number}\n */\nconst offsetTop = (el) => {\n let top = el.offsetTop\n\n if (el.offsetParent !== null) {\n top += offsetTop(el.offsetParent)\n }\n\n return top\n}\n\nexport default offsetTop\n","/**\r\n * 获取HTML元素的某个CSS样式值\r\n * ====================================================\r\n * @param el\r\n * @param ruleName\r\n * @returns {*}\r\n */\r\nconst getStyle = (el, ruleName) => {\r\n return getComputedStyle(el)[ruleName]\r\n}\r\n\r\nexport default getStyle\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 isObject from '../types/isObject'\r\nimport isArray from '../types/isArray'\r\n\r\n/**\r\n * 深拷贝对象函数\r\n * ========================================================================\r\n * @methods cloneDeep\r\n * @param {Object} obj - 深拷贝的对象\r\n * @returns {Array|Object|*}\r\n *\r\n * @example\r\n * const arr = cloneDeep([2,3,4,6])\r\n * => [2,3,4,6]\r\n */\r\nconst cloneDeep = (obj) => {\r\n let clone = {}\r\n\r\n if (obj === null) {\r\n return null\r\n }\r\n\r\n if (isArray(obj)) {\r\n clone = Array.from(obj)\r\n } else {\r\n clone = Object.assign({}, obj)\r\n Object.keys(clone).forEach((key) => {\r\n return (clone[key] = isObject(obj[key]) ? cloneDeep(obj[key]) : obj[key])\r\n })\r\n }\r\n\r\n return clone\r\n}\r\n\r\nexport default cloneDeep\r\n","/**\n * timeSlice.js 时间切片功能函数\n * ====================================================\n * Created By: Yaohaixiao\n * Update: 2023.09.04\n */\nimport isFunction from '../types/isFunction'\nimport later from './later'\n\nconst queue = []\nlet isHandling\nlet done\n\n// Shim from https://developers.google.com/web/updates/2015/08/using-requestidlecallback\nif (typeof window.requestIdleCallback === 'undefined') {\n window.requestIdleCallback = function (cb) {\n const start = Date.now()\n return later(function () {\n cb({\n didTimeout: false,\n timeRemaining: function () {\n return Math.max(0, 50 - (Date.now() - start))\n }\n })\n }, 10)\n }\n\n window.cancelIdleCallback = function (id) {\n clearTimeout(id)\n }\n}\n\nfunction runIdle(idleDeadline) {\n while (idleDeadline.timeRemaining() > 0 && queue.length) {\n const fn = queue.shift()\n\n if (!isFunction(fn)) {\n return false\n }\n\n fn()\n }\n\n if (queue.length) {\n isHandling = requestIdleCallback(runIdle)\n } else {\n isHandling = 0\n\n if (isFunction(done)) {\n done()\n done = null\n }\n }\n}\n\n/**\n * 时间切片功能函数：主要用于优化长时任务的性能，将长时任务分解成\n * 多个短时间任务\n * ====================================================\n * @param {Function} fn - 需要在空闲时执行的回调函数\n * @param {Function} afterComplete - queen 的\n * @return {(function(): (boolean|undefined))|*|boolean}\n */\nconst timeSlice = (fn, afterComplete = null) => {\n queue.push(fn)\n\n if (isFunction(afterComplete)) {\n done = afterComplete\n }\n\n if (!isHandling) {\n requestIdleCallback(runIdle)\n }\n}\n\nexport default timeSlice\n","import Base from './base'\n\nimport isString from './utils/types/isString'\nimport isFunction from './utils/types/isFunction'\nimport isElement from './utils/types/isElement'\nimport later from './utils/lang/later'\nimport at from './utils/event/at'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport stop from './utils/event/stop'\nimport createElement from './utils/dom/createElement'\nimport scrollTo from './utils/dom/scrollTo'\nimport addClass from './utils/dom/addClass'\nimport intersection from './utils/dom/intersection'\nimport removeClass from './utils/dom/removeClass'\nimport offsetTop from './utils/dom/offsetTop'\nimport getStyle from './utils/dom/getStyle'\nimport setProperty from './utils/dom/setProperty'\nimport _getScrollElement from './utils/dom/_getScrollElement'\nimport cloneDeep from './utils/lang/cloneDeep'\n\nimport _paintChapters from './_paintChapters'\n\nclass Chapters extends Base {\n constructor(options) {\n super()\n\n this.attrs = cloneDeep(Chapters.DEFAULTS)\n\n this._reset()\n\n this.offsetWidth = 0\n this.playing = false\n this.scrollTimer = null\n this.resizeTimer = null\n this.Observer = null\n\n if (options) {\n this.initialize(options)\n }\n }\n\n _reset() {\n this.$el = null\n this.$title = null\n this.$main = null\n this.$list = null\n this.$placeholder = null\n this.$parentElement = null\n this.$scrollElement = null\n this.$active = null\n\n this.chapters = []\n this.active = 0\n this.offsetTop = 0\n this.closed = false\n\n return this\n }\n\n initialize(options) {\n let created\n let parentElement\n let scrollElement\n let $parent\n\n this.attr(options)\n created = this.attr('created')\n parentElement = this.attr('parentElement')\n scrollElement = this.attr('scrollElement')\n\n if (isString(parentElement)) {\n $parent = document.querySelector(parentElement)\n } else if (isElement(parentElement)) {\n $parent = parentElement\n }\n this.$parentElement = $parent\n this.$scrollElement = _getScrollElement(scrollElement)\n\n this.chapters = this.attr('chapters')\n this.closed = this.attr('closed')\n this.active = this.attr('active')\n\n if (isFunction(created)) {\n created.call(this)\n }\n\n if (this.chapters.length < 1) {\n return this\n }\n\n this.render().addListeners()\n\n this.$active = document.querySelector(`#chapter-${this.active}`)\n\n return this\n }\n\n isClosed() {\n return this.closed\n }\n\n isSticky() {\n const position = this.attr('position')\n return position === 'sticky'\n }\n\n isFixed() {\n const position = this.attr('position')\n return position === 'fixed'\n }\n\n isInside() {\n return this.isFixed() || this.isSticky()\n }\n\n isOutside() {\n return !this.isInside()\n }\n\n count() {\n return this.chapters.length\n }\n\n _paintEdge() {\n const $fragment = document.createDocumentFragment()\n const STICKY = 'outline-chapters_sticky'\n const HIDDEN = 'outline-chapters_hidden'\n const title = this.attr('title')\n const animationCurrent = this.attr('animationCurrent')\n const customClass = this.attr('customClass')\n const $parentElement = this.$parentElement\n const children = []\n const contents = []\n let $title = null\n let $el\n let $main\n let $list\n let $placeholder\n\n if (!$parentElement) {\n return this\n }\n\n if (this.isInside() && title) {\n $title = createElement(\n 'h2',\n {\n className: 'outline-chapters__title'\n },\n title\n )\n this.$title = $title\n contents.push($title)\n }\n\n $list = createElement('ul', {\n // 为优化性能，添加了 _fixed 和 _hidden\n // fixed 为了让 $list 脱离流布局\n // hidden 让 $list 不可见\n className: `outline-chapters__list`\n })\n this.$list = $list\n children.push($list)\n\n if(animationCurrent) {\n $placeholder = createElement('div', {\n className: 'outline-chapters__placeholder'\n })\n this.$placeholder = $placeholder\n children.push($placeholder)\n }\n\n $main = createElement(\n 'div',\n {\n className: 'outline-chapters__main'\n },\n children\n )\n this.$main = $main\n contents.push($main)\n\n $el = createElement(\n 'nav',\n {\n id: 'outline-chapters',\n className: `outline-chapters ${HIDDEN}`\n },\n contents\n )\n this.$el = $el\n\n if (this.isSticky()) {\n this.calculateStickyHeight()\n addClass($el, STICKY)\n }\n\n if (customClass) {\n addClass($el, customClass)\n }\n $fragment.appendChild($el)\n $parentElement.appendChild($fragment)\n\n return this\n }\n\n render() {\n const HIDDEN = 'outline-chapters_hidden'\n const showCode = this.attr('showCode')\n const mounted = this.attr('mounted')\n const $parentElement = this.$parentElement\n const chapters = this.chapters\n const count = this.count()\n let $el\n let $list\n\n if (!$parentElement || chapters.length < 1) {\n return this\n }\n\n if (this.isInside()) {\n addClass($parentElement, 'outline-chapters-parent')\n }\n\n this._paintEdge()\n\n $el = this.$el\n $list = this.$list\n _paintChapters($list, chapters, showCode)\n removeClass($el, HIDDEN)\n\n later(() => {\n this.highlight(this.active)\n }, 60)\n\n this.offsetTop = offsetTop($el)\n this.offsetWidth = $el.offsetWidth\n\n if (this.isFixed()) {\n this.sticky()\n setProperty('--outline-chapters-width', `${this.offsetWidth}px`)\n }\n\n if (isFunction(mounted)) {\n mounted.call(this)\n }\n\n if (count < 400) {\n this.onObserver()\n }\n\n return this\n }\n\n positionPlaceholder(index) {\n const $main = this.$main\n const $list = this.$list\n const $placeholder = this.$placeholder\n const $anchor = $list.querySelector('.outline-chapters__anchor')\n const animationCurrent = this.attr('animationCurrent')\n const mainPaddingTop = parseInt(getStyle($main, 'padding-top'), 10)\n const mainBorderTop = parseInt(getStyle($main, 'border-top-width'), 10)\n const placeholderPaddingTop = parseInt(getStyle($list, 'padding-top'), 10)\n const placeholderMarginTop = parseInt(getStyle($list, 'margin-top'), 10)\n const placeholderBorderTop = parseInt(\n getStyle($list, 'border-top-width'),\n 10\n )\n let height = $anchor.offsetHeight\n let offsetTop = 0\n let top\n\n if (!animationCurrent) {\n return this\n }\n\n if (mainPaddingTop) {\n offsetTop += mainPaddingTop\n }\n\n if (placeholderPaddingTop) {\n offsetTop += placeholderPaddingTop\n }\n\n if (placeholderMarginTop) {\n offsetTop += placeholderMarginTop\n }\n\n if (mainBorderTop) {\n offsetTop += mainBorderTop\n }\n\n if (placeholderBorderTop) {\n offsetTop += placeholderBorderTop\n }\n\n top = height * index\n $placeholder.style.cssText = `transform: translateY(${\n offsetTop + top\n }px);height:${height}px;`\n\n return this\n }\n\n highlight(id) {\n const animationCurrent = this.attr('animationCurrent')\n const $anchor = this.$el.querySelector(`#chapter__anchor-${id}`)\n const ACTIVE = 'outline-chapters_active'\n const HIGHLIGHT = 'outline-chapters_highlight'\n\n if (!$anchor) {\n return this\n }\n\n this.active = parseInt($anchor.getAttribute('data-id'), 10)\n\n if (this.$active) {\n removeClass(this.$active, HIGHLIGHT)\n removeClass(this.$active, ACTIVE)\n }\n\n this.$active = $anchor\n addClass(this.$active, ACTIVE)\n\n if (animationCurrent) {\n this.positionPlaceholder(this.active)\n } else {\n addClass(this.$active, HIGHLIGHT)\n }\n\n return this\n }\n\n sticky() {\n const afterSticky = this.attr('afterSticky')\n const FIXED = 'outline-chapters_fixed'\n const $el = this.$el\n const top = this.offsetTop\n const scrollTop = this.$scrollElement.scrollTop\n let isStickying\n\n if (!this.isFixed()) {\n return this\n }\n\n isStickying = scrollTop >= top\n\n if (isStickying) {\n addClass($el, FIXED)\n } else {\n removeClass($el, FIXED)\n }\n\n if (isFunction(afterSticky)) {\n afterSticky.call(this, this.isClosed(), isStickying)\n }\n\n return this\n }\n\n calculateStickyHeight() {\n const documentElement = document.documentElement\n const height = Math.max(\n documentElement.clientHeight || 0,\n window.innerHeight || 0\n )\n setProperty('--outline-sticky-height', `${height}px`)\n return this\n }\n\n scrollTo(top, after) {\n const el = this.$scrollElement\n\n scrollTo(el, top, after)\n\n return this\n }\n\n show() {\n const FOLDED = 'outline-chapters_folded'\n const HIDDEN = 'outline-chapters_hidden'\n const opened = this.attr('afterOpened')\n const count = this.count()\n const $el = this.$el\n const $parent = this.$parentElement\n\n if (this.isInside()) {\n if (count > 800) {\n removeClass($parent, HIDDEN)\n } else {\n removeClass($parent, HIDDEN)\n later(() => {\n removeClass($parent, FOLDED)\n }, 30)\n }\n } else {\n removeClass($el, HIDDEN)\n }\n this.closed = false\n\n if (isFunction(opened)) {\n opened.call(this)\n }\n\n return this\n }\n\n hide() {\n const FOLDED = 'outline-chapters_folded'\n const HIDDEN = 'outline-chapters_hidden'\n const closed = this.attr('afterClosed')\n const count = this.count()\n const $el = this.$el\n const $parent = this.$parentElement\n\n if (this.isInside()) {\n if (count > 800) {\n addClass($parent, HIDDEN)\n } else {\n addClass($parent, FOLDED)\n later(() => {\n addClass($parent, HIDDEN)\n })\n }\n } else {\n addClass($el, HIDDEN)\n }\n this.closed = true\n\n if (isFunction(closed)) {\n closed.call(this)\n }\n\n return this\n }\n\n toggle() {\n const afterToggle = this.attr('afterToggle')\n const top = this.offsetTop\n const scrollTop = this.$scrollElement.scrollTop\n let isStickying\n\n if (this.isClosed()) {\n this.show()\n } else {\n this.hide()\n }\n\n if (isFunction(afterToggle)) {\n later(() => {\n isStickying = scrollTop >= top\n afterToggle.call(this, this.isClosed(), isStickying)\n })\n }\n\n return this\n }\n\n destroy() {\n const beforeDestroy = this.attr('beforeDestroy')\n const afterDestroy = this.attr('afterDestroy')\n\n if (isFunction(beforeDestroy)) {\n beforeDestroy.call(this)\n }\n\n this.removeListeners()\n this.$parentElement.removeChild(this.$el)\n\n this.attr(Chapters.DEFAULTS)._reset()\n\n if (this.scrollTimer) {\n clearTimeout(this.scrollTimer)\n this.scrollTimer = null\n }\n\n if (this.resizeTimer) {\n clearTimeout(this.resizeTimer)\n this.resizeTimer = null\n }\n\n if (isFunction(afterDestroy)) {\n afterDestroy.call(this)\n }\n\n if (this.Observer) {\n this.Observer = null\n }\n\n return this\n }\n\n onObserver() {\n const selector = this.attr('selector')\n let timer = null\n\n this.Observer = intersection(\n ($heading) => {\n const id = $heading.getAttribute('data-id')\n\n if (this.playing) {\n return false\n }\n\n if (timer) {\n clearTimeout(timer)\n }\n\n timer = later(() => {\n this.highlight(id)\n }, 100)\n },\n {\n selector,\n context: this\n }\n )\n\n return this\n }\n\n onSelect(evt) {\n const stickyHeight = this.attr('stickyHeight')\n const $anchor = evt.delegateTarget\n const id = $anchor.getAttribute('data-id')\n const headingId = $anchor.href.split('#')[1]\n const $heading = document.querySelector(`#${headingId}`)\n const top = offsetTop($heading) - (stickyHeight + 10)\n const min = 0\n const max = this.$scrollElement.scrollHeight\n const afterScroll = this.attr('afterScroll')\n const after = () => {\n if (isFunction(afterScroll)) {\n afterScroll.call(this, 'chapter')\n }\n\n later(() => {\n this.playing = false\n this.$emit('toolbar:update', {\n top,\n min,\n max\n })\n })\n }\n\n this.playing = true\n if (this.isFixed()) {\n this.sticky()\n later(() => {\n this.scrollTo(top, after)\n this.highlight(id)\n }, 10)\n } else {\n this.scrollTo(top, after)\n this.highlight(id)\n }\n\n stop(evt)\n\n return this\n }\n\n onScroll() {\n const $scrollElement = this.$scrollElement\n\n if (this.scrollTimer) {\n clearTimeout(this.scrollTimer)\n }\n\n this.scrollTimer = later(() => {\n const top = $scrollElement.scrollTop\n const min = 0\n const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\n\n if (this.isFixed()) {\n this.sticky()\n }\n\n this.$emit('toolbar:update', {\n top,\n min,\n max\n })\n }, 100)\n\n return this\n }\n\n onResize() {\n if (this.resizeTimer) {\n clearTimeout(this.resizeTimer)\n }\n\n this.resizeTimer = later(() => {\n this.calculateStickyHeight()\n })\n\n return this\n }\n\n addListeners() {\n const $el = this.$el\n const $scrollElement = this.$scrollElement\n const tagName = $scrollElement.tagName.toLowerCase()\n let $element = $scrollElement\n\n if (tagName === 'html' || tagName === 'body') {\n $element = window\n }\n\n on($el, '.outline-chapters__anchor', 'click', this.onSelect, this, true)\n at($element, 'scroll', this.onScroll, this, true)\n if (this.isSticky()) {\n at(window, 'resize', this.onResize, this, true)\n }\n this.$on('anchors:all:paint', this.onObserver, this)\n\n return this\n }\n\n removeListeners() {\n const selector = this.attr('selector')\n const $el = this.$el\n const $scrollElement = this.$scrollElement\n const tagName = $scrollElement.tagName.toLowerCase()\n let $element = $scrollElement\n\n if (tagName === 'html' || tagName === 'body') {\n $element = window\n }\n\n off($el, 'click', this.onSelect)\n off($element, 'scroll', this.onScroll)\n\n if (this.isSticky()) {\n at(window, 'resize', this.onResize)\n }\n\n this.$off('anchors:all:paint')\n\n if (this.Observer) {\n document.querySelectorAll(selector).forEach((section) => {\n this.Observer.unobserve(section)\n })\n }\n\n return this\n }\n}\n\nChapters.DEFAULTS = {\n parentElement: '',\n scrollElement: '',\n selector: '.outline-heading',\n active: 0,\n closed: false,\n showCode: true,\n animationCurrent: true,\n position: 'relative',\n stickyHeight: 0,\n chapters: [],\n created: null,\n mounted: null,\n afterClosed: null,\n afterOpened: null,\n afterScroll: null,\n beforeDestroy: null,\n afterDestroy: null,\n afterSticky: null\n}\n\nexport default Chapters\n","import createElement from './utils/dom/createElement'\nimport timeSlice from './utils/lang/timeSlice'\n\nconst _paintChapters = ($list, chapters, showCode = false) => {\n const LIMIT = 400\n const count = chapters.length\n const clones = [...chapters]\n const paint = (parts) => {\n const byId = (id) => $list.querySelector(`#${id}`)\n parts.forEach((chapter) => {\n const pid = chapter.pid\n const id = chapter.id\n const rel = chapter.rel\n const children = []\n const $text = createElement(\n 'span',\n {\n className: 'outline-chapters__text'\n },\n chapter.text\n )\n let $link\n let $code\n let $li\n let $subject\n let $chapter\n\n if (showCode) {\n $code = createElement(\n 'span',\n {\n className: 'outline-chapters__code',\n 'data-id': id\n },\n chapter.code\n )\n\n children.push($code)\n }\n\n children.push($text)\n\n $link = createElement(\n 'a',\n {\n id: `chapter__anchor-${id}`,\n className: 'outline-chapters__anchor',\n href: '#' + rel,\n rel: rel,\n 'data-id': id\n },\n children\n )\n\n $li = createElement(\n 'li',\n {\n id: `chapter-${id}`,\n className: 'outline-chapters__item',\n 'data-id': id\n },\n $link\n )\n\n if (pid === -1) {\n $list.appendChild($li)\n } else {\n $chapter = byId(`chapter-${pid}`)\n $subject = byId(`subject-${pid}`)\n\n if (!$subject) {\n $subject = createElement(\n 'ul',\n {\n id: 'subject-' + pid,\n className: 'outline-chapters__subject'\n },\n $li\n )\n\n $chapter.appendChild($subject)\n } else {\n $subject.appendChild($li)\n }\n }\n })\n }\n\n if (count > LIMIT) {\n // 同步绘制\n paint(clones.splice(0, LIMIT))\n // 剩余的采用 timeSlice 机制绘制\n while (clones.length > 0) {\n const once = clones.splice(0, LIMIT)\n timeSlice(() => {\n paint(once)\n })\n }\n } else {\n paint(clones)\n }\n}\n\nexport default _paintChapters\n","import easeInQuad from '../lang/easeInQuad'\nimport isFunction from '../types/isFunction'\nimport _getScrollElement from './_getScrollElement'\n\n/**\n * 指定 rootElement DOM 节点滚动到指定 top 位置\n * ========================================================================\n * @method scrollTo\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\n * @param {Number} top - （必须）滚动的 scrollTop 数值\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\n */\nconst scrollTo = (scrollElement, top, afterStop) => {\n const $scrollElement = _getScrollElement(scrollElement)\n let scrollTop = $scrollElement.scrollTop\n let step = 0\n const distance = top - scrollTop\n const MAX_HEIGHT = $scrollElement.scrollHeight\n const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\n const stop = (top) => {\n if (isFunction(afterStop)) {\n afterStop(top)\n }\n\n return false\n }\n const play = () => {\n step += 1\n\n // 向上滚动\n if (distance < 0) {\n scrollTop -= easeInQuad(step)\n $scrollElement.scrollTop = scrollTop\n\n if (scrollTop <= top) {\n $scrollElement.scrollTop = top\n return stop(top)\n }\n } else {\n scrollTop += easeInQuad(step)\n $scrollElement.scrollTop = scrollTop\n\n if (scrollTop >= MAX_TOP) {\n $scrollElement.scrollTop = MAX_TOP\n return stop(MAX_TOP)\n }\n }\n\n requestAnimationFrame(play)\n }\n\n requestAnimationFrame(play)\n}\n\nexport default scrollTo\n","import isFunction from '../types/isFunction'\nimport isElement from '../types/isElement'\n\n/**\n * 通用的 IntersectionObserver 观察者处理器\n * ========================================================================\n * @method intersection\n * @param {Function} fn\n * @param {Object} [props]\n * @param {Object|HTMLElement} [props.root]\n * @param {String} [props.selector]\n * @param {Object} [props.context]\n * @param {String} [props.attr]\n * @param {String} [props.rootMargin]\n */\nconst intersection = (fn, props = {}) => {\n const root = props.root || null\n const selector = props.selector || '.outline-heading'\n const context = props.context || null\n const rootMargin = props.rootMargin || '0px 0px -90% 0px'\n const options = {\n rootMargin: rootMargin\n }\n const Observer = new IntersectionObserver((entries) => {\n entries.forEach((entry) => {\n if (entry.intersectionRatio > 0) {\n if (isFunction(fn)) {\n fn.call(context || entry.target, entry.target)\n }\n }\n })\n }, options)\n const $root = isElement(root) ? root : document\n\n if (root) {\n options.root = root\n }\n\n $root.querySelectorAll(selector).forEach((section) => {\n Observer.observe(section)\n })\n\n return Observer\n}\n\nexport default intersection\n","/**\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\n * ========================================================================\n * @method stop\n * @param {Event} evt - 事件对象\n *\n * @example\n *
\n * Service\n * Help\n *
\n *\n * const $nav = document.querySelector('#nav')\n * const $service = document.querySelector('.anchor')\n *\n * on($nav, 'click', function(evt) {\n * console.log('你点击了导航栏')\n * })\n *\n * on($anchor, 'click', function(evt) {\n * console.log('tagName', this.tagName)\n *\n * // 工作台输出：'a'\n * // 不会触发事件冒泡，输出：'你点击了导航栏'\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\n * stopEvent(evt)\n * })\n */\nconst stop = function (evt) {\n evt.stopPropagation()\n evt.preventDefault()\n}\n\nexport default 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* 检测数据是否为 String 类型\n * ========================================================================\n * @method isArray\n * @param {*} str\n * @returns {boolean}\n */\nconst isString = (str) => {\n return typeof str === 'string'\n}\n\nexport default isString\n","/**\n * 检测对象自身属性中是否具有指定的属性。\n * ========================================================================\n * @method hasOwn\n * @param {Object} obj - （必须）检测的目标对象\n * @param {String} prop - （必须）属性名\n * @returns {Boolean}\n */\nconst hasOwn = (obj, prop) => {\n const hasOwnProperty = Object.prototype.hasOwnProperty\n return obj && hasOwnProperty.call(obj, prop)\n}\n\nexport default hasOwn\n","/**\n * Object 对象原型上的 toString 方法\n * ========================================================================\n * @method toString\n * @param {*} val\n * @returns {string}\n */\nconst toString = (val) => {\n return Object.prototype.toString.apply(val)\n}\n\nexport default toString\n","import toString from '../lang/toString'\n\n/**\n * 检测测试数据是否为 Function 类型\n * ========================================================================\n * @method isFunction\n * @param {*} val - （必须）待检测的数据\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\n */\nconst isFunction = (val) => {\n return typeof val === 'function' || toString(val) === '[object Function]'\n}\n\nexport default isFunction\n","import toString from '../lang/toString'\nimport isFunction from './isFunction'\n\n/**\n * 检测数据是否为 Object 类型\n * ========================================================================\n * @method isObject\n * @param {*} o\n * @returns {boolean}\n */\nconst isObject = (o) => {\n return (\n (toString(o) === '[object Object]' ||\n typeof o === 'object' ||\n isFunction(o)) &&\n o !== null\n )\n}\n\nexport default isObject\n","/**\n * 存储订阅者（主题和处理器的）私有对象\n * ========================================================================\n * @type {{}}\n * @private\n */\nconst _subscribers = {}\n\nexport default _subscribers\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\n * ========================================================================\n * @method _hasDirectSubscribersFor\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasDirectSubscribersFor = (topic) => {\n return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\n}\n\nexport default _hasDirectSubscribersFor\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\nimport _hasSubscribers from './_hasSubscribers'\n\n/**\n * 判断是否存在包含 topic 指定的订阅者信息\n * ========================================================================\n * @method has\n * @param {String} topic - （必须）主题名称\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\n * @returns {Boolean}\n */\nconst has = (topic, isDirect = true) => {\n return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\n}\n\nexport default has\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * 判断是否存在包含给定 topic 相关的订阅者信息\n * ========================================================================\n * @method _hasSubscribers\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasSubscribers = (topic) => {\n let found = _hasDirectSubscribersFor(topic)\n let position = topic.lastIndexOf('.')\n\n while (!found && position !== -1) {\n topic = topic.substring(0, position)\n position = topic.lastIndexOf('.')\n found = _hasDirectSubscribersFor(topic)\n }\n\n return found\n}\n\nexport default _hasSubscribers\n","import isTypedArray from '../types/isTypedArray'\nimport _subscribers from './_subscribers'\nimport has from './has'\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * （异步）发布订阅主题信息\n * ========================================================================\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。\n * ========================================================================\n * @method emit\n * @param {String} topic - （必须）主题名称\n * @param {Object} [data] - （可选）数据对象\n * @param {Boolean} [async] - (可选) 是否异步发布\n */\nconst emit = (topic, data, async = true) => {\n const execute = (topic) => {\n if (!_hasDirectSubscribersFor(topic)) {\n return false\n }\n\n _subscribers[topic].forEach((subscriber) => {\n // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\n // 采用 toString() 方法转化为普通（JSON）字符串\n const message = isTypedArray(data) ? data.toString() : data\n\n subscriber.callback.call(subscriber.context || subscriber, message)\n })\n }\n const deliver = () => {\n let subscriber = topic\n let position = topic.lastIndexOf('.')\n\n while (position !== -1) {\n subscriber = subscriber.substring(0, position)\n position = subscriber.lastIndexOf('.')\n\n execute(subscriber)\n }\n\n // 执行 topic 对应的处理器\n execute(topic)\n // 执行特殊 topic：'*'（监听全部消息的发布）\n execute('*')\n }\n\n if (!has(topic)) {\n return false\n }\n\n if (async) {\n setTimeout(deliver, 10)\n } else {\n deliver()\n }\n}\n\nexport default emit\n","import toString from '../lang/toString'\n/**\n * 判断检测数据是否为 Typed Arrays 类型的数据\n * ========================================================================\n * @param {*} val\n * @returns {boolean}\n */\nconst isTypedArray = (val) => {\n const TYPES = [\n '[object Int8Array]',\n '[object Uint8Array]',\n '[object Uint8ClampedArray]',\n '[object Int16Array]',\n '[object Uint16Array]',\n '[object Int32Array]',\n '[object Uint32Array]',\n '[object Float32Array]',\n '[object Float64Array]',\n '[object BigInt64Array]',\n '[object BigUint64Array]'\n ]\n\n return TYPES.indexOf(toString(val)) > -1\n}\n\nexport default isTypedArray\n","/**\n * 生成唯一 id 字符串的函数\n * ========================================================================\n * @method guid\n * @param {String} [prefix] - 生成 id 的前缀字符串\n * @return {String} 返回一个表示唯一 id 的字符串\n */\nconst guid = (() => {\n let uuid = 0\n\n return (prefix) => {\n uuid += 1\n\n return prefix ? prefix + '-' + uuid : 'guid-' + uuid\n }\n})()\n\nexport default guid\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 删除与给定 topic 相同的订阅者信息\n * ========================================================================\n * @method _removeSubscriber\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _removeSubscriber = (topic) => {\n if (!hasOwn(_subscribers, topic)) {\n return false\n }\n\n delete _subscribers[topic]\n}\n\nexport default _removeSubscriber\n","import has from './has'\nimport _removeSubscriber from './_removeSubscriber'\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\n\n/**\n * 取消订阅主题\n * ========================================================================\n * @method off\n * @param {String} topic - （必须）订阅的主题\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\n */\nconst off = (topic, token) => {\n if (!has(topic)) {\n return false\n }\n\n if (token) {\n _removeSubscriberByToken(token)\n } else {\n _removeSubscriber(topic)\n }\n}\n\nexport default off\n","import _subscribers from './_subscribers'\nimport _removeSubscriber from './_removeSubscriber'\n\n/**\n * 通过订阅者 token 值删除订阅者信息\n * ========================================================================\n * @method _removeSubscriberByToken\n * @param {String} token - 订阅者 token 字符串\n * @returns {boolean}\n * @private\n */\nconst _removeSubscriberByToken = (token) => {\n const keys = Object.keys(_subscribers)\n let index = -1\n\n if (!token || keys.length < 1) {\n return false\n }\n\n keys.forEach((subject) => {\n const subscriber = _subscribers[subject]\n let topic\n\n subscriber.forEach((execution, j) => {\n if (execution.callback === token || execution.token === token) {\n topic = execution.topic\n subscriber.splice(index, j)\n }\n })\n\n /* istanbul ignore else */\n if (subscriber.length < 1) {\n _removeSubscriber(topic)\n }\n })\n}\n\nexport default _removeSubscriberByToken\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\nimport publish from './utils/observer/emit'\r\nimport subscribe from './utils/observer/on'\r\nimport unsubscribe from './utils/observer/off'\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 $emit(event, data) {\r\n publish(event, data)\r\n return this\r\n }\r\n\r\n $on(event, callback) {\r\n subscribe(event, callback, this)\r\n return this\r\n }\r\n\r\n $off(event, callback) {\r\n unsubscribe(event, callback)\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'\n\n/**\n * 扩展对象\n * ========================================================================\n * @method extend\n * @param {Object} origin\n * @param {Object} source\n */\nconst extend = (origin, source) => {\n const keys = Object.keys(source)\n\n keys.forEach((prop) => {\n if (hasOwn(source, prop)) {\n origin[prop] = source[prop]\n }\n })\n}\n\nexport default extend\n","import _subscribers from './_subscribers'\nimport isFunction from '../types/isFunction'\nimport guid from '../lang/guid'\n\n/**\n * 订阅主题，并给出处理器函数\n * ========================================================================\n * @method on\n * @param {String} topic - （必须）主题名称\n * @param {Function} handler - （必须）主题的处理器函数\n * @param {Object} [context] - （可选）指定 this 执行上下文\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\n */\nconst on = (topic, handler, context = null) => {\n const token = guid()\n let subject = typeof topic === 'symbol' ? topic.toString() : topic\n\n if (!isFunction(handler)) {\n return ''\n }\n\n /* istanbul ignore else */\n if (!_subscribers[subject]) {\n _subscribers[subject] = []\n }\n\n _subscribers[subject].push({\n topic: subject,\n callback: handler,\n context,\n token\n })\n\n return token\n}\n\nexport default on\n","import isObject from './isObject'\n\n/**\n * 检测数据是否为 HTMLElement DOM 节点\n * ========================================================================\n * @method isElement\n * @param {*} o\n * @returns {boolean}\n */\nconst isElement = (o) => {\n return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\n}\n\nexport default isElement\n","import isFunction from '../types/isFunction'\n\n/**\n * later - 延迟执行方法\n * ========================================================================\n * @method later\n * @param {Function} fn\n * @param {Number} [delay]\n * @returns {number|boolean}\n */\nconst later = (fn, delay = 300) => {\n if (!isFunction(fn)) {\n return false\n }\n\n return setTimeout(() => {\n fn()\n }, delay)\n}\n\nexport default later\n","export const CAPTURE_EVENTS = [\n 'focusout',\n 'blur',\n 'focusin',\n 'focus',\n 'load',\n 'unload',\n 'mouseenter',\n 'mouseleave'\n]\n","import { CAPTURE_EVENTS } from './enum'\nimport _delete from './_delete'\n\n/**\n * （私有方法）取消 type 类型的代理事件绑定\n * ========================================================================\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\n * ========================================================================\n * @method _off\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} fn - （必须）事件处理器回调函数\n * @private\n */\nconst _off = (el, type, fn) => {\n const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n /* istanbul ignore else */\n if (fn._delegateListener) {\n fn = fn._delegateListener\n delete fn._delegateListener\n }\n\n // 移除缓存的 _listeners 数据\n _delete(el, type, fn)\n\n el.removeEventListener(type, fn, capture)\n}\n\nexport default _off\n","/**\n * 删除 DOM 元素缓存的 _listeners 数据\n * ========================================================================\n * @method _delete\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\n * @param {String} type - 事件类型（名称）\n * @param {Function} [fn] - 事件处理器回调函数\n */\nconst _delete = function (el, type, fn) {\n const listeners = el._listeners\n let index = -1\n\n if (listeners.length < 1) {\n return false\n }\n\n // 移除缓存的 _listeners 数据\n listeners.forEach((listener, i) => {\n const handler = listener.fn\n\n if (type === listener.type) {\n index = i\n\n if (handler === fn) {\n index = i\n }\n }\n })\n\n /* istanbul ignore else */\n if (index > -1) {\n listeners.splice(index, 1)\n }\n}\n\nexport default _delete\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\nimport getListeners from './getListeners'\nimport _off from './_off'\n\n/**\n * 销毁（type 类型的）代理事件绑定\n * ========================================================================\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\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\n * ========================================================================\n * @method purgeElement\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\n * @param {String|Boolean} type - （必须）事件类型\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\n */\nconst purgeElement = function (el, type, recurse = false) {\n const $element = isString(el) ? document.querySelector(el) : el\n const $children = $element.childNodes\n const listeners = getListeners($element, type)\n\n listeners.forEach((listener) => {\n _off($element, listener.type, listener.fn)\n })\n\n if (\n (recurse || type === true || arguments.length === 1) &&\n $element &&\n $children\n ) {\n $children.forEach(($child) => {\n if (isElement($child)) {\n purgeElement($child, type, recurse)\n }\n })\n }\n}\n\nexport default purgeElement\n","import isString from '../types/isString'\n\n/**\n * 获取 DOM 元素（type 事件类型）事件绑定信息\n * ========================================================================\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\n * ========================================================================\n * @methods getListeners\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\n * @param {String} [type] - （可选）事件类型\n * @returns {Array} - 已绑定的事件信息\n */\nconst getListeners = (el, type) => {\n let listeners = el._listeners || []\n\n if (isString(type) && type) {\n listeners = listeners.filter((listener) => {\n return listener.type === type\n })\n }\n\n return listeners\n}\n\nexport default getListeners\n","import purgeElement from './purgeElement'\nimport isFunction from '../types/isFunction'\nimport _off from './_off'\n\n/**\n * 取消 type 类型的代理事件绑定\n * ========================================================================\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\n * ========================================================================\n * @method off\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} [fn] - （可选）事件处理器回调函数\n */\nconst off = (el, type, fn) => {\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\n if (!isFunction(fn)) {\n return purgeElement(el, type)\n }\n\n _off(el, type, fn)\n}\n\nexport default off\n","import isFunction from '../types/isFunction'\nimport off from './off'\n\nimport { CAPTURE_EVENTS } from './enum'\n\n/**\n * 绑定事件\n * ========================================================================\n * @method at\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\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\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，\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\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\n * @param {Boolean} once - （可选）是否仅触发一次\n */\nconst at = (el, type, fn, data, context, once = false) => {\n // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\n const capture = CAPTURE_EVENTS.indexOf(type) > -1\n const listener = function (evt) {\n let overrideContext = context || el\n\n // 当设置为 true 时，则事件处理器回调函数的\n // this 上下文指向为 data 对象\n if (context === true) {\n overrideContext = data\n }\n\n // 仅触发一次\n /* istanbul ignore else */\n if (once === true) {\n off(el, type, listener)\n }\n\n fn.call(overrideContext, evt, data)\n }\n\n if (!isFunction(fn)) {\n return false\n }\n\n if (!el._listeners) {\n el._listeners = []\n }\n\n // 缓存 options 元素绑定的事件处理器\n el._listeners.push({\n el,\n type,\n fn: listener,\n data,\n context,\n capture\n })\n\n // 缓存包装后的事件处理器\n fn._delegateListener = listener\n\n el.addEventListener(type, listener, capture)\n}\n\nexport default at\n","/**\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\n * ========================================================================\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\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\n * 标 DOM 元素是否为事件代理所期望触发的目标。\n * ========================================================================\n * @method matches\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\n * @returns {Boolean}\n */\nconst matches = (el, selector = '') => {\n const sel = selector.replace(/^>/i, '')\n\n if (!selector || !sel || !el) {\n return false\n }\n\n /* istanbul ignore else */\n if (el.matches) {\n return el.matches(sel)\n } else if (el.msMatchesSelector) {\n return el.msMatchesSelector(sel)\n } else {\n return false\n }\n}\n\nexport default matches\n","/**\n * 获取 DOM 元素的父节点\n * ========================================================================\n * @method getParentOrHost\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\n * @returns {*|HTMLElement}\n */\nconst getParentOrHost = (el) => {\n return el.host && el !== document && el.host.nodeType\n ? el.host\n : el.parentNode\n}\n\nexport default getParentOrHost\n","import closest from '../dom/closest'\nimport off from './off'\nimport getTarget from './getTarget'\n\nimport { CAPTURE_EVENTS } from './enum'\n\n/**\n * 绑定代理事件\n * ========================================================================\n * @method on\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\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\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，\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\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\n * @param {Boolean} once - （可选）是否仅触发一次\n */\nconst on = (el, selector, type, fn, data, context, once = false) => {\n // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\n const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n const listener = function (evt) {\n const target = getTarget(evt)\n // 通过 Element.matches 方法获得点击的目标元素\n const delegateTarget = closest(target, selector, el)\n let overrideContext = context || el\n\n evt.delegateTarget = delegateTarget\n\n // 当设置为 true 时，则事件处理器回调函数的\n // this 上下文指向为 data 对象\n if (context === true) {\n overrideContext = data\n }\n\n /* istanbul ignore else */\n if (delegateTarget) {\n // 仅触发一次\n /* istanbul ignore else */\n if (once === true) {\n off(el, type, listener)\n }\n\n fn.call(overrideContext, evt, data)\n }\n }\n\n if (!el._listeners) {\n el._listeners = []\n }\n\n // 缓存 options 元素绑定的事件处理器\n el._listeners.push({\n el,\n selector,\n type,\n fn: listener,\n data,\n context,\n capture\n })\n\n // 缓存包装后的事件处理器\n fn._delegateListener = listener\n\n el.addEventListener(type, listener, capture)\n}\n\nexport default on\n","import resolveTextNode from '../dom/resolveTextNode'\n\n/**\n * 返回触发事件的 target DOM 元素\n * ========================================================================\n * @method getTarget\n * @param {Event} evt - Event 对象\n * @return {HTMLElement} - Event 对象的 target DOM 元素\n */\nconst getTarget = function (evt) {\n const target = evt.target\n\n return resolveTextNode(target)\n}\n\nexport default getTarget\n","/**\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。\n * resolveTextNode() 方法则会返回实际的目标节点。\n * ========================================================================\n * @method resolveTextNode\n * @param {HTMLElement|Text} el - 要解析的节点\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\n */\nconst resolveTextNode = function (el) {\n if (el && el.nodeType === 3) {\n return el.parentNode\n }\n\n return el\n}\n\nexport default resolveTextNode\n","import matches from './matches'\nimport getParentOrHost from './getParentOrHost'\n\n/**\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\n * ========================================================================\n * @method closest\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）DOM 元素的选择其\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\n */\nconst closest = (el, selector, ctx, includeCTX) => {\n const context = ctx || document\n\n if (!el) {\n return null\n }\n\n do {\n /* istanbul ignore else */\n if (\n (selector != null &&\n (selector.startsWith('>')\n ? el.parentNode === context && matches(el, selector)\n : matches(el, selector))) ||\n (includeCTX && el === context)\n ) {\n return el\n }\n\n /* istanbul ignore else */\n if (el === context) {\n break\n }\n\n /* jshint boss:true */\n } while ((el = getParentOrHost(el)))\n}\n\nexport default closest\n","import toString from '../lang/toString'\n\n/**\n * 检测数据是否为 Array 类型\n * ========================================================================\n * @method isArray\n * @param {*} o\n * @returns {boolean}\n */\nconst isArray = (o) => {\n if (Array.isArray) {\n return Array.isArray(o)\n } else {\n return toString(o) === '[object Array]'\n }\n}\n\nexport default isArray\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'\nimport isObject from './isObject'\n\nconst isFragment = (fragment) => {\n return !!(\n isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\n )\n}\n\nexport default isFragment\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 isObject from '../types/isObject'\nimport isString from '../types/isString'\nimport isArray from '../types/isArray'\nimport isDOM from '../types/isDOM'\nimport setAttributes from './setAttributes'\n\n/**\n * 创建 DOM 节点，并添加属性和子节点\n * ========================================================================\n * @method createElement\n * @param {String} tagName - 标签名称\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\n * @returns {HTMLElement}\n */\nconst createElement = (tagName, attrs, children) => {\n const $fragment = document.createDocumentFragment()\n const $el = document.createElement(tagName)\n const isValidChild = (child) => {\n return isDOM(child) || isString(child)\n }\n const append = (child) => {\n let $child\n\n if (!isValidChild(child)) {\n return false\n }\n\n if (isDOM(child)) {\n $child = child\n } else if (isString(child)) {\n $child = document.createTextNode(child)\n }\n\n $fragment.appendChild($child)\n }\n\n if (isObject(attrs)) {\n setAttributes($el, attrs)\n } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\n attrs.forEach((child) => {\n append(child)\n })\n } else if (isDOM(attrs)) {\n append(attrs)\n } else if (isString(attrs)) {\n append(document.createTextNode(attrs))\n }\n\n if (isArray(children)) {\n children.forEach((child) => {\n append(child)\n })\n } else {\n append(children)\n }\n\n $el.appendChild($fragment)\n\n return $el\n}\n\nexport default createElement\n","import isObject from '../types/isObject'\nimport hasOwn from '../lang/hasOwn'\nimport setAttribute from './setAttribute'\n\nconst setAttributes = (el, attrs) => {\n if (!el || !isObject(attrs)) {\n return false\n }\n\n Object.keys(attrs).forEach((attr) => {\n const value = attrs[attr]\n if (hasOwn(attrs, attr)) {\n setAttribute(el, attr, value)\n }\n })\n}\n\nexport default setAttributes\n","/**\n * 给 DOM 节点设置属性/值\n * ========================================================================\n * @method setAttribute\n * @param {HTMLElement} el - DOM 节点\n * @param {String} attr - 属性名称\n * @param {String|Number|Boolean} value - 属性值\n */\nconst setAttribute = (el, attr, value) => {\n let tagName = el.tagName.toLowerCase()\n\n switch (attr) {\n case 'style':\n el.style.cssText = value\n break\n case 'value':\n if (tagName === 'input' || tagName === 'textarea') {\n el.value = value\n } else {\n el.setAttribute(attr, value)\n }\n break\n case 'htmlFor':\n el.setAttribute('for', value)\n break\n case 'className':\n el.className = value\n break\n case 'innerHTML':\n el.innerHTML = value\n break\n case 'innerText':\n el.innerText = value\n break\n default:\n el.setAttribute(attr, value)\n break\n }\n}\n\nexport default setAttribute\n","/**\n * 返回给定值的平方值\n * ========================================================================\n * @method easeInQuad\n * @param {Number} x\n * @returns {number}\n */\nconst easeInQuad = (x) => {\n return x * x\n}\n\nexport default easeInQuad\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\n\n/**\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\n * ========================================================================\n * @method _getScrollElement\n * @param {String|HTMLElement} scrollElement\n * @returns {Element}\n * @private\n */\nconst _getScrollElement = (scrollElement = null) => {\n let $rootElements\n let $scrollElement\n\n if (!scrollElement) {\n $rootElements = document.querySelectorAll('html,body')\n $scrollElement =\n $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\n ? $rootElements[0]\n : $rootElements[1]\n } else {\n if (isString(scrollElement)) {\n $scrollElement = document.querySelector(scrollElement)\n } else if (isElement(scrollElement)) {\n $scrollElement = scrollElement\n }\n }\n\n return $scrollElement\n}\n\nexport default _getScrollElement\n","import isElement from '../types/isElement'\n/**\n * 检测 DOM 节点是否包含名为 className 的样式\n * ========================================================================\n * @method hasClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst hasClass = (el, className) => {\n const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\n let allClass\n let classList\n\n if (!isElement(el)) {\n return false\n }\n\n allClass = el.className\n\n if (!allClass) {\n return false\n }\n\n classList = el.classList\n\n if (classList?.contains) {\n return el.classList.contains(className)\n }\n\n return !!pattern.exec(allClass)\n}\n\nexport default hasClass\n","import hasClass from './hasClass'\n\n/**\n * 给 DOM 节点添加名为 className 的样式\n * ========================================================================\n * @method addClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst addClass = (el, className) => {\n let classList\n let allClass\n\n if (hasClass(el, className)) {\n return false\n }\n\n classList = el.classList\n\n if (classList?.add) {\n classList.add(className)\n } else {\n allClass = el.className\n allClass += allClass.length > 0 ? ' ' + className : className\n el.className = allClass\n }\n}\n\nexport default addClass\n","import trim from '../lang/trim'\nimport hasClass from './hasClass'\n\n/**\n * 移除 DOM 节点的 className 样式\n * ========================================================================\n * @method removeClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst removeClass = (el, className) => {\n let allClass = el.className\n let classList\n\n if (!allClass || !hasClass(el, className)) {\n return false\n }\n\n classList = el.classList\n\n if (classList?.remove) {\n classList.remove(className)\n } else {\n allClass = trim(allClass.replace(className, ''))\n el.className = allClass\n }\n}\n\nexport default removeClass\n","import isString from '../types/isString'\n\n/**\n * 清楚字符串起始位置所有的空格\n * ========================================================================\n * @method trim\n * @param {string} str\n * @returns {string|Boolean}\n */\nconst trim = (str) => {\n if (!isString(str)) {\n return false\n }\n return str.replace(/(^\\s+)|(\\s+$)/g, '')\n}\n\nexport default trim\n","/**\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\n * ========================================================================\n * @method offsetTop\n * @param {HTMLElement} el - DOM 节点\n * @returns {Number}\n */\nconst offsetTop = (el) => {\n let top = el.offsetTop\n\n if (el.offsetParent !== null) {\n top += offsetTop(el.offsetParent)\n }\n\n return top\n}\n\nexport default offsetTop\n","/**\r\n * 获取HTML元素的某个CSS样式值\r\n * ====================================================\r\n * @param el\r\n * @param ruleName\r\n * @returns {*}\r\n */\r\nconst getStyle = (el, ruleName) => {\r\n return getComputedStyle(el)[ruleName]\r\n}\r\n\r\nexport default getStyle\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 isObject from '../types/isObject'\r\nimport isArray from '../types/isArray'\r\n\r\n/**\r\n * 深拷贝对象函数\r\n * ========================================================================\r\n * @methods cloneDeep\r\n * @param {Object} obj - 深拷贝的对象\r\n * @returns {Array|Object|*}\r\n *\r\n * @example\r\n * const arr = cloneDeep([2,3,4,6])\r\n * => [2,3,4,6]\r\n */\r\nconst cloneDeep = (obj) => {\r\n let clone = {}\r\n\r\n if (obj === null) {\r\n return null\r\n }\r\n\r\n if (isArray(obj)) {\r\n clone = Array.from(obj)\r\n } else {\r\n clone = Object.assign({}, obj)\r\n Object.keys(clone).forEach((key) => {\r\n return (clone[key] = isObject(obj[key]) ? cloneDeep(obj[key]) : obj[key])\r\n })\r\n }\r\n\r\n return clone\r\n}\r\n\r\nexport default cloneDeep\r\n","/**\n * timeSlice.js 时间切片功能函数\n * ====================================================\n * Created By: Yaohaixiao\n * Update: 2023.09.04\n */\nimport isFunction from '../types/isFunction'\nimport later from './later'\n\nconst queue = []\nlet isHandling\nlet done\n\n// Shim from https://developers.google.com/web/updates/2015/08/using-requestidlecallback\nif (typeof window.requestIdleCallback === 'undefined') {\n window.requestIdleCallback = function (cb) {\n const start = Date.now()\n return later(function () {\n cb({\n didTimeout: false,\n timeRemaining: function () {\n return Math.max(0, 50 - (Date.now() - start))\n }\n })\n }, 10)\n }\n\n window.cancelIdleCallback = function (id) {\n clearTimeout(id)\n }\n}\n\nfunction runIdle(idleDeadline) {\n while (idleDeadline.timeRemaining() > 0 && queue.length) {\n const fn = queue.shift()\n\n if (!isFunction(fn)) {\n return false\n }\n\n fn()\n }\n\n if (queue.length) {\n isHandling = requestIdleCallback(runIdle)\n } else {\n isHandling = 0\n\n if (isFunction(done)) {\n done()\n done = null\n }\n }\n}\n\n/**\n * 时间切片功能函数：主要用于优化长时任务的性能，将长时任务分解成\n * 多个短时间任务\n * ====================================================\n * @param {Function} fn - 需要在空闲时执行的回调函数\n * @param {Function} afterComplete - queen 的\n * @return {(function(): (boolean|undefined))|*|boolean}\n */\nconst timeSlice = (fn, afterComplete = null) => {\n queue.push(fn)\n\n if (isFunction(afterComplete)) {\n done = afterComplete\n }\n\n if (!isHandling) {\n requestIdleCallback(runIdle)\n }\n}\n\nexport default timeSlice\n","import Base from './base'\n\nimport isString from './utils/types/isString'\nimport isFunction from './utils/types/isFunction'\nimport isElement from './utils/types/isElement'\nimport later from './utils/lang/later'\nimport at from './utils/event/at'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport stop from './utils/event/stop'\nimport createElement from './utils/dom/createElement'\nimport scrollTo from './utils/dom/scrollTo'\nimport addClass from './utils/dom/addClass'\nimport intersection from './utils/dom/intersection'\nimport removeClass from './utils/dom/removeClass'\nimport offsetTop from './utils/dom/offsetTop'\nimport getStyle from './utils/dom/getStyle'\nimport setProperty from './utils/dom/setProperty'\nimport _getScrollElement from './utils/dom/_getScrollElement'\nimport cloneDeep from './utils/lang/cloneDeep'\n\nimport _paintChapters from './_paintChapters'\n\nclass Chapters extends Base {\n constructor(options) {\n super()\n\n this.attrs = cloneDeep(Chapters.DEFAULTS)\n\n this._reset()\n\n this.offsetWidth = 0\n this.playing = false\n this.scrollTimer = null\n this.resizeTimer = null\n this.Observer = null\n\n if (options) {\n this.initialize(options)\n }\n }\n\n _reset() {\n this.$el = null\n this.$title = null\n this.$main = null\n this.$list = null\n this.$placeholder = null\n this.$parentElement = null\n this.$scrollElement = null\n this.$active = null\n\n this.chapters = []\n this.active = 0\n this.offsetTop = 0\n this.closed = false\n\n return this\n }\n\n initialize(options) {\n let created\n let parentElement\n let scrollElement\n let $parent\n\n this.attr(options)\n created = this.attr('created')\n parentElement = this.attr('parentElement')\n scrollElement = this.attr('scrollElement')\n\n if (isString(parentElement)) {\n $parent = document.querySelector(parentElement)\n } else if (isElement(parentElement)) {\n $parent = parentElement\n }\n this.$parentElement = $parent\n this.$scrollElement = _getScrollElement(scrollElement)\n\n this.chapters = this.attr('chapters')\n this.closed = this.attr('closed')\n this.active = this.attr('active')\n\n if (isFunction(created)) {\n created.call(this)\n }\n\n if (this.chapters.length < 1) {\n return this\n }\n\n this.render().addListeners()\n\n this.$active = document.querySelector(`#chapter-${this.active}`)\n\n return this\n }\n\n isClosed() {\n return this.closed\n }\n\n isSticky() {\n const position = this.attr('position')\n return position === 'sticky'\n }\n\n isFixed() {\n const position = this.attr('position')\n return position === 'fixed'\n }\n\n isInside() {\n return this.isFixed() || this.isSticky()\n }\n\n isOutside() {\n return !this.isInside()\n }\n\n count() {\n return this.chapters.length\n }\n\n _paintEdge() {\n const $fragment = document.createDocumentFragment()\n const STICKY = 'outline-chapters_sticky'\n const HIDDEN = 'outline-chapters_hidden'\n const title = this.attr('title')\n const animationCurrent = this.attr('animationCurrent')\n const customClass = this.attr('customClass')\n const $parentElement = this.$parentElement\n const children = []\n const contents = []\n let $title = null\n let $el\n let $main\n let $list\n let $placeholder\n\n if (!$parentElement) {\n return this\n }\n\n if (this.isInside() && title) {\n $title = createElement(\n 'h2',\n {\n className: 'outline-chapters__title'\n },\n title\n )\n this.$title = $title\n contents.push($title)\n }\n\n $list = createElement('ul', {\n // 为优化性能，添加了 _fixed 和 _hidden\n // fixed 为了让 $list 脱离流布局\n // hidden 让 $list 不可见\n className: `outline-chapters__list`\n })\n this.$list = $list\n children.push($list)\n\n if (animationCurrent) {\n $placeholder = createElement('div', {\n className: 'outline-chapters__placeholder'\n })\n this.$placeholder = $placeholder\n children.push($placeholder)\n }\n\n $main = createElement(\n 'div',\n {\n className: 'outline-chapters__main'\n },\n children\n )\n this.$main = $main\n contents.push($main)\n\n $el = createElement(\n 'nav',\n {\n id: 'outline-chapters',\n className: `outline-chapters ${HIDDEN}`\n },\n contents\n )\n this.$el = $el\n\n if (this.isSticky()) {\n this.calculateStickyHeight()\n addClass($el, STICKY)\n }\n\n if (customClass) {\n addClass($el, customClass)\n }\n $fragment.appendChild($el)\n $parentElement.appendChild($fragment)\n\n return this\n }\n\n render() {\n const HIDDEN = 'outline-chapters_hidden'\n const showCode = this.attr('showCode')\n const mounted = this.attr('mounted')\n const $parentElement = this.$parentElement\n const chapters = this.chapters\n const count = this.count()\n let $el\n let $list\n\n if (!$parentElement || chapters.length < 1) {\n return this\n }\n\n if (this.isInside()) {\n addClass($parentElement, 'outline-chapters-parent')\n }\n\n this._paintEdge()\n\n $el = this.$el\n $list = this.$list\n _paintChapters($list, chapters, showCode)\n removeClass($el, HIDDEN)\n\n later(() => {\n this.highlight(this.active)\n }, 60)\n\n this.offsetTop = offsetTop($el)\n this.offsetWidth = $el.offsetWidth\n\n if (this.isFixed()) {\n this.sticky()\n setProperty('--outline-chapters-width', `${this.offsetWidth}px`)\n }\n\n if (isFunction(mounted)) {\n mounted.call(this)\n }\n\n if (count < 400) {\n this.onObserver()\n }\n\n return this\n }\n\n positionPlaceholder(index) {\n const $main = this.$main\n const $list = this.$list\n const $placeholder = this.$placeholder\n const $anchor = $list.querySelector('.outline-chapters__anchor')\n const animationCurrent = this.attr('animationCurrent')\n const mainPaddingTop = parseInt(getStyle($main, 'padding-top'), 10)\n const mainBorderTop = parseInt(getStyle($main, 'border-top-width'), 10)\n const placeholderPaddingTop = parseInt(getStyle($list, 'padding-top'), 10)\n const placeholderMarginTop = parseInt(getStyle($list, 'margin-top'), 10)\n const placeholderBorderTop = parseInt(\n getStyle($list, 'border-top-width'),\n 10\n )\n let height = $anchor.offsetHeight\n let offsetTop = 0\n let top\n\n if (!animationCurrent) {\n return this\n }\n\n if (mainPaddingTop) {\n offsetTop += mainPaddingTop\n }\n\n if (placeholderPaddingTop) {\n offsetTop += placeholderPaddingTop\n }\n\n if (placeholderMarginTop) {\n offsetTop += placeholderMarginTop\n }\n\n if (mainBorderTop) {\n offsetTop += mainBorderTop\n }\n\n if (placeholderBorderTop) {\n offsetTop += placeholderBorderTop\n }\n\n top = height * index\n $placeholder.style.cssText = `transform: translateY(${\n offsetTop + top\n }px);height:${height}px;`\n\n return this\n }\n\n highlight(id) {\n const animationCurrent = this.attr('animationCurrent')\n const $anchor = this.$el.querySelector(`#chapter__anchor-${id}`)\n const ACTIVE = 'outline-chapters_active'\n const HIGHLIGHT = 'outline-chapters_highlight'\n\n if (!$anchor) {\n return this\n }\n\n this.active = parseInt($anchor.getAttribute('data-id'), 10)\n\n if (this.$active) {\n removeClass(this.$active, HIGHLIGHT)\n removeClass(this.$active, ACTIVE)\n }\n\n this.$active = $anchor\n addClass(this.$active, ACTIVE)\n\n if (animationCurrent) {\n this.positionPlaceholder(this.active)\n } else {\n addClass(this.$active, HIGHLIGHT)\n }\n\n return this\n }\n\n sticky() {\n const afterSticky = this.attr('afterSticky')\n const FIXED = 'outline-chapters_fixed'\n const $el = this.$el\n const top = this.offsetTop\n const scrollTop = this.$scrollElement.scrollTop\n let isStickying\n\n if (!this.isFixed()) {\n return this\n }\n\n isStickying = scrollTop >= top\n\n if (isStickying) {\n addClass($el, FIXED)\n } else {\n removeClass($el, FIXED)\n }\n\n if (isFunction(afterSticky)) {\n afterSticky.call(this, this.isClosed(), isStickying)\n }\n\n return this\n }\n\n calculateStickyHeight() {\n const documentElement = document.documentElement\n const height = Math.max(\n documentElement.clientHeight || 0,\n window.innerHeight || 0\n )\n setProperty('--outline-sticky-height', `${height}px`)\n return this\n }\n\n scrollTo(top, after) {\n const el = this.$scrollElement\n\n scrollTo(el, top, after)\n\n return this\n }\n\n show() {\n const FOLDED = 'outline-chapters_folded'\n const HIDDEN = 'outline-chapters_hidden'\n const opened = this.attr('afterOpened')\n const count = this.count()\n const $el = this.$el\n const $parent = this.$parentElement\n\n if (this.isInside()) {\n if (count > 800) {\n removeClass($parent, HIDDEN)\n } else {\n removeClass($parent, HIDDEN)\n later(() => {\n removeClass($parent, FOLDED)\n }, 30)\n }\n } else {\n removeClass($el, HIDDEN)\n }\n this.closed = false\n\n if (isFunction(opened)) {\n opened.call(this)\n }\n\n return this\n }\n\n hide() {\n const FOLDED = 'outline-chapters_folded'\n const HIDDEN = 'outline-chapters_hidden'\n const closed = this.attr('afterClosed')\n const count = this.count()\n const $el = this.$el\n const $parent = this.$parentElement\n\n if (this.isInside()) {\n if (count > 800) {\n addClass($parent, HIDDEN)\n } else {\n addClass($parent, FOLDED)\n later(() => {\n addClass($parent, HIDDEN)\n })\n }\n } else {\n addClass($el, HIDDEN)\n }\n this.closed = true\n\n if (isFunction(closed)) {\n closed.call(this)\n }\n\n return this\n }\n\n toggle() {\n const afterToggle = this.attr('afterToggle')\n const top = this.offsetTop\n const scrollTop = this.$scrollElement.scrollTop\n let isStickying\n\n if (this.isClosed()) {\n this.show()\n } else {\n this.hide()\n }\n\n if (isFunction(afterToggle)) {\n later(() => {\n isStickying = scrollTop >= top\n afterToggle.call(this, this.isClosed(), isStickying)\n })\n }\n\n return this\n }\n\n destroy() {\n const beforeDestroy = this.attr('beforeDestroy')\n const afterDestroy = this.attr('afterDestroy')\n\n if (isFunction(beforeDestroy)) {\n beforeDestroy.call(this)\n }\n\n this.removeListeners()\n this.$parentElement.removeChild(this.$el)\n\n this.attr(Chapters.DEFAULTS)._reset()\n\n if (this.scrollTimer) {\n clearTimeout(this.scrollTimer)\n this.scrollTimer = null\n }\n\n if (this.resizeTimer) {\n clearTimeout(this.resizeTimer)\n this.resizeTimer = null\n }\n\n if (isFunction(afterDestroy)) {\n afterDestroy.call(this)\n }\n\n if (this.Observer) {\n this.Observer = null\n }\n\n return this\n }\n\n onObserver() {\n const selector = this.attr('selector')\n let timer = null\n\n this.Observer = intersection(\n ($heading) => {\n const id = $heading.getAttribute('data-id')\n\n if (this.playing) {\n return false\n }\n\n if (timer) {\n clearTimeout(timer)\n }\n\n timer = later(() => {\n this.highlight(id)\n }, 100)\n },\n {\n selector,\n context: this\n }\n )\n\n return this\n }\n\n onSelect(evt) {\n const stickyHeight = this.attr('stickyHeight')\n const $anchor = evt.delegateTarget\n const id = $anchor.getAttribute('data-id')\n const headingId = $anchor.href.split('#')[1]\n const $heading = document.querySelector(`#${headingId}`)\n const top = offsetTop($heading) - (stickyHeight + 10)\n const min = 0\n const max = this.$scrollElement.scrollHeight\n const afterScroll = this.attr('afterScroll')\n const after = () => {\n if (isFunction(afterScroll)) {\n afterScroll.call(this, 'chapter')\n }\n\n later(() => {\n this.playing = false\n this.$emit('toolbar:update', {\n top,\n min,\n max\n })\n })\n }\n\n this.playing = true\n if (this.isFixed()) {\n this.sticky()\n later(() => {\n this.scrollTo(top, after)\n this.highlight(id)\n }, 10)\n } else {\n this.scrollTo(top, after)\n this.highlight(id)\n }\n\n stop(evt)\n\n return this\n }\n\n onScroll() {\n const $scrollElement = this.$scrollElement\n\n if (this.scrollTimer) {\n clearTimeout(this.scrollTimer)\n }\n\n this.scrollTimer = later(() => {\n const top = $scrollElement.scrollTop\n const min = 0\n const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\n\n if (this.isFixed()) {\n this.sticky()\n }\n\n this.$emit('toolbar:update', {\n top,\n min,\n max\n })\n }, 100)\n\n return this\n }\n\n onResize() {\n if (this.resizeTimer) {\n clearTimeout(this.resizeTimer)\n }\n\n this.resizeTimer = later(() => {\n this.calculateStickyHeight()\n })\n\n return this\n }\n\n addListeners() {\n const $el = this.$el\n const $scrollElement = this.$scrollElement\n const tagName = $scrollElement.tagName.toLowerCase()\n let $element = $scrollElement\n\n if (tagName === 'html' || tagName === 'body') {\n $element = window\n }\n\n on($el, '.outline-chapters__anchor', 'click', this.onSelect, this, true)\n at($element, 'scroll', this.onScroll, this, true)\n if (this.isSticky()) {\n at(window, 'resize', this.onResize, this, true)\n }\n this.$on('anchors:all:paint', this.onObserver, this)\n\n return this\n }\n\n removeListeners() {\n const selector = this.attr('selector')\n const $el = this.$el\n const $scrollElement = this.$scrollElement\n const tagName = $scrollElement.tagName.toLowerCase()\n let $element = $scrollElement\n\n if (tagName === 'html' || tagName === 'body') {\n $element = window\n }\n\n off($el, 'click', this.onSelect)\n off($element, 'scroll', this.onScroll)\n\n if (this.isSticky()) {\n at(window, 'resize', this.onResize)\n }\n\n this.$off('anchors:all:paint')\n\n if (this.Observer) {\n document.querySelectorAll(selector).forEach((section) => {\n this.Observer.unobserve(section)\n })\n }\n\n return this\n }\n}\n\nChapters.DEFAULTS = {\n parentElement: '',\n scrollElement: '',\n selector: '.outline-heading',\n active: 0,\n closed: false,\n showCode: true,\n animationCurrent: true,\n position: 'relative',\n stickyHeight: 0,\n chapters: [],\n created: null,\n mounted: null,\n afterClosed: null,\n afterOpened: null,\n afterScroll: null,\n beforeDestroy: null,\n afterDestroy: null,\n afterSticky: null\n}\n\nexport default Chapters\n","import createElement from './utils/dom/createElement'\nimport timeSlice from './utils/lang/timeSlice'\n\nconst _paintChapters = ($list, chapters, showCode = false) => {\n const LIMIT = 400\n const count = chapters.length\n const clones = [...chapters]\n const paint = (parts) => {\n const byId = (id) => $list.querySelector(`#${id}`)\n parts.forEach((chapter) => {\n const pid = chapter.pid\n const id = chapter.id\n const rel = chapter.rel\n const children = []\n const $text = createElement(\n 'span',\n {\n className: 'outline-chapters__text'\n },\n chapter.text\n )\n let $link\n let $code\n let $li\n let $subject\n let $chapter\n\n if (showCode) {\n $code = createElement(\n 'span',\n {\n className: 'outline-chapters__code',\n 'data-id': id\n },\n chapter.code\n )\n\n children.push($code)\n }\n\n children.push($text)\n\n $link = createElement(\n 'a',\n {\n id: `chapter__anchor-${id}`,\n className: 'outline-chapters__anchor',\n href: '#' + rel,\n rel: rel,\n 'data-id': id\n },\n children\n )\n\n $li = createElement(\n 'li',\n {\n id: `chapter-${id}`,\n className: 'outline-chapters__item',\n 'data-id': id\n },\n $link\n )\n\n if (pid === -1) {\n $list.appendChild($li)\n } else {\n $chapter = byId(`chapter-${pid}`)\n $subject = byId(`subject-${pid}`)\n\n if (!$subject) {\n $subject = createElement(\n 'ul',\n {\n id: 'subject-' + pid,\n className: 'outline-chapters__subject'\n },\n $li\n )\n\n $chapter.appendChild($subject)\n } else {\n $subject.appendChild($li)\n }\n }\n })\n }\n\n if (count > LIMIT) {\n // 同步绘制\n paint(clones.splice(0, LIMIT))\n // 剩余的采用 timeSlice 机制绘制\n while (clones.length > 0) {\n const once = clones.splice(0, LIMIT)\n timeSlice(() => {\n paint(once)\n })\n }\n } else {\n paint(clones)\n }\n}\n\nexport default _paintChapters\n","import easeInQuad from '../lang/easeInQuad'\nimport isFunction from '../types/isFunction'\nimport _getScrollElement from './_getScrollElement'\n\n/**\n * 指定 rootElement DOM 节点滚动到指定 top 位置\n * 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>= MAX_TOP) {\n $scrollElement.scrollTop = MAX_TOP\n return stop(MAX_TOP)\n }\n }\n\n requestAnimationFrame(play)\n }\n\n requestAnimationFrame(play)\n}\n\nexport default scrollTo\n","import isFunction from '../types/isFunction'\nimport isElement from '../types/isElement'\n\n/**\n * 通用的 IntersectionObserver 观察者处理器\n * ========================================================================\n * @method intersection\n * @param {Function} fn\n * @param {Object} [props]\n * @param {Object|HTMLElement} [props.root]\n * @param {String} [props.selector]\n * @param {Object} [props.context]\n * @param {String} [props.attr]\n * @param {String} [props.rootMargin]\n */\nconst intersection = (fn, props = {}) => {\n const root = props.root || null\n const selector = props.selector || '.outline-heading'\n const context = props.context || null\n const rootMargin = props.rootMargin || '0px 0px -90% 0px'\n const options = {\n rootMargin: rootMargin\n }\n const Observer = new 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\n *\n * const $nav = document.querySelector('#nav')\n * const $service = document.querySelector('.anchor')\n *\n * on($nav, 'click', function(evt) {\n * console.log('你点击了导航栏')\n * })\n *\n * on($anchor, 'click', function(evt) {\n * console.log('tagName', this.tagName)\n *\n * // 工作台输出：'a'\n * // 不会触发事件冒泡，输出：'你点击了导航栏'\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\n * stopEvent(evt)\n * })\n */\nconst stop = function (evt) {\n evt.stopPropagation()\n evt.preventDefault()\n}\n\nexport default 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\ No newline at end of file diff --git a/docs/anchors.html b/docs/anchors.html new file mode 100644 index 00000000..4729cd2f --- /dev/null +++ b/docs/anchors.html @@ -0,0 +1,60 @@ +outline.js - 自动生成文章导读（Table of Contents）导航的 JavaScript 工具

outline.js - 自动生成文章导读（Table of Contents）导航的 JavaScript 工具。会自动分析文章中的标题（ h1~h6 ）标签，并生成文章段落层次结构的导读导航菜单。

创作灵感

AnchorJS 是 outline.js 的创作灵感来源。既然 AnchorJS 可创建标题的链接，为什么不直接给文章生成一个文章导读（Table of Contents）导航呢？ 于是就有了outline.js。

特点

  • 原生 JavaScript 编写，无需任何依赖；
  • 支持 UMD 规范；
  • 支持 E6 模块，提供功能独立的 ES6 模块；
    • Anchors 模块：类似 AnchorJS 基础功能模块，自动分析段落层级;
    • Drawer 模块：独立的侧滑窗口模块;
    • Chapters 模块：独立的导航菜单模块；
    • Toolbar 模块：独立的固定定位的工具栏模块；
  • 拥有 AnchorJS 基础功能；
  • 支持中文和英文标题文字生成ID；
  • 支持生成独立的侧边栏导航菜单；
  • 支持直接在文章中生成文章导读导航；
  • 自动分析标题关系，生成段落层级索引值；
  • 可以作为 jQuery 插件使用；
  • 界面简洁大方；
  • 配置灵活，丰富，让你随心所欲掌控 outline.js；

安装说明

outline.js 提供多种安装方式的支持： npm 安装、加载 CDN 资源、以及本地资源调用。

npm install

$ npm install -S @yaohaixiao/outline.js

CDN 调用

<script src="https://cdn.jsdelivr.net/gh/yaohaixiao/outline.js/outline.min.js"></script>

调用本地JS文件

<script src="path/to/outline.min.js"></script>

使用说明

outline.js 既支持在 node.js 环境中以 CommonJS 模块调用，也支持 ES6 模块方式加载。

// Node.js 环境中使用
+const Outline = require('@yaohaixiao/outline.js')
+
+// 作为 ES6 模块使用
+import Outline from '@yaohaixiao/outline.js/src/outline'
+// 调用其他独立模块
+import Anchors from '@yaohaixiao/outline.js/src/anchors'
+import Chapters from '@yaohaixiao/outline.js/src/chapters'
+import Drawer from '@yaohaixiao/outline.js/src/drawer'
+import Toolbar from '@yaohaixiao/outline.js/src/toolbar'
+
+// 创建 Outline 实例
+// 2.0.0 调整了配置参数，配置更加简单
+const outline = new Outline({
+  // 文章显示区域的 DOM 元素或者选择器字符串
+  articleElement: '#article',
+  // 要收集的标题选择器
+  selector: 'h2,h3,h4,h5,h6',
+  // 负责文章区域滚动的元素
+  // String 类型 - 选择器字符串，默认值：html,body（window窗口）
+  // HTMLElement 类型 - DOM 元素
+  scrollElement: 'html,body',
+  // 文章导读菜单的位置
+  // relative - （默认值）创建独立的侧滑菜单
+  // sticky - 导航菜单将以 sticky 模式布局（需要确保菜单插入位置支持 sticky 模式布局）
+  // fixed - 导航菜单将以 fixed 模式布局，会自动监听滚动位置，模拟 sticky 布局
+  // sticky 和 fixed 布局时，需要设置 parentElement
+  // 2.0.0 暂时不支持在文章开始位置插入 chapters 导航菜单
+  position: 'sticky',
+  // 设置 position: relative 时，placment 定义侧滑菜单和 toolbar 导航位置：
+  // rtl - 菜单位置在窗口右侧，滑动动画为：right to left
+  // ltr - 菜单位置在窗口左侧，滑动动画为：left to right
+  // ttb - 菜单位置在窗口上方，滑动动画为：top to bottom
+  // btt - 菜单位置在窗口下方，滑动动画为：bottom to top
+  placement: '',
+  // 导航菜单将要插入的位置（DOM 元素）
+  // String 类型 - 选择器字符串
+  // HTMLElement 类型 - 插入的 DOM 元素
+  // 仅在 position 设置为 sticky 和 fixed 布局时有效
+  parentElement: '#aside',
+  // 是否显示段落章节编号
+  showCode: true,
+  // 标题图标链接的 URL 地址
+  // （默认）没有设置定制，点击链接页面滚动到标题位置
+  // 设置了链接地址，则不会滚动定位
+  anchorURL: '',
+  // DIYer的福利
+  // 独立侧滑菜单时，customClass 会追加到 drawer 侧滑窗口组件
+  // 在文章中显示导航菜单时，customClass 会追加到 chapters 导航菜单
+  customClass
+});
+
+// 可以在创建导航后，重置配置信息，重新生成新的导航
+Outline.reload({
+  // 调整位直接在文章内生成导航
+  position: 'sticky',
+  articleElement: '#article'
+})

License

JavaScript Code Licensed under MIT License.

API Documentation Licensed under CC BY 3.0

\ No newline at end of file diff --git a/docs/fixed.html b/docs/fixed.html index f6064de1..c9cab8b2 100644 --- a/docs/fixed.html +++ b/docs/fixed.html @@ -61,6 +61,12 @@ // Customize Selector const outline = new Outline({ articleElement: $('#main') +})

selector

Description

Type：
String
Default：
'h1,h2,h3,h4,h5,h6'

可选，用来指定 article 节点下，要生成导航的标题标签的选择器。

// Default selector
+new Outline(Outline.DEFAULTS)
+
+// Customize selector
+new Outline({
+  selector: 'h2'
 })

title

Description

Type：
String|Boolean
Default：
'目录'

可选，用来指定文章导读导航菜单的标题文字。设置空字符串或者 false，则不显示标题。在插入导航菜单的 DOM 元素已有标题时，可以设置 title: '' 或者 false。

说明：本 API 文档的导航菜单便是使用 outline.js 生成，并且没有设置 title。

(function(){
   const defaults = Outline.DEFAULTS
   let outline
@@ -113,7 +119,7 @@
 // 设置 stickyHeight（outline.js 的示例页面的主标题元素的高度）
 defaults.stickyHeight = 86
 // 默认生成独立的侧滑弹窗导航菜单
-new Outline(defaults)
showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
+new Outline(defaults)

showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

hasToolbar

Description

Type：
Boolean
Default：
true

可选，是否显示侧边的按钮工具栏：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
 new Outline()
 
 // Customize URL - 直接打开链接了
@@ -774,6 +780,8 @@
   stickyHeight: 0,
   // 是否显示标题编号
   showCode: true,
+  // 是否显示侧边的按钮工具栏
+  hasToolbar: true,
   // 指定是否采用动画定位高亮当前的章节标题，默认值：true
   // 当值为 false 时，则采用高亮当前章节标题的链接文字并加粗文字
   // 如果喜欢更简洁的高亮效果，可以选择设置为 false
@@ -1165,6 +1173,7 @@
   defaults.parentElement = '#aside'
   defaults.stickyHeight = 86
   defaults.homepage = './index.html'
+  defaults.hasToolbar = false
   defaults.afterSticky = function(closed, isStickying) {
     const $nav = this.$el
     const BORDER_RIGHT = 'utils-border-right'
diff --git a/docs/flex.html b/docs/flex.html
index c3b0fa61..79ef9cb3 100644
--- a/docs/flex.html
+++ b/docs/flex.html
@@ -67,6 +67,12 @@
 // Customize Selector
 const outline = new Outline({
   articleElement: $('#main')
+})

selector

Description

Type：
String
Default：
'h1,h2,h3,h4,h5,h6'

可选，用来指定 article 节点下，要生成导航的标题标签的选择器。

// Default selector
+new Outline(Outline.DEFAULTS)
+
+// Customize selector
+new Outline({
+  selector: 'h2'
 })

title

Description

Type：
String|Boolean
Default：
'目录'

可选，用来指定文章导读导航菜单的标题文字。设置空字符串或者 false，则不显示标题。在插入导航菜单的 DOM 元素已有标题时，可以设置 title: '' 或者 false。

说明：本 API 文档的导航菜单便是使用 outline.js 生成，并且没有设置 title。

(function(){
   const defaults = Outline.DEFAULTS
   let outline
@@ -119,7 +125,7 @@
 // 设置 stickyHeight（outline.js 的示例页面的主标题元素的高度）
 defaults.stickyHeight = 86
 // 默认生成独立的侧滑弹窗导航菜单
-new Outline(defaults)
showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
+new Outline(defaults)

showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

hasToolbar

Description

Type：
Boolean
Default：
true

可选，是否显示侧边的按钮工具栏：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
 new Outline()
 
 // Customize URL - 直接打开链接了
@@ -780,6 +786,8 @@
   stickyHeight: 0,
   // 是否显示标题编号
   showCode: true,
+  // 是否显示侧边的按钮工具栏
+  hasToolbar: true,
   // 指定是否采用动画定位高亮当前的章节标题，默认值：true
   // 当值为 false 时，则采用高亮当前章节标题的链接文字并加粗文字
   // 如果喜欢更简洁的高亮效果，可以选择设置为 false
@@ -1166,6 +1174,12 @@
 // Customize Selector
 const outline = new Outline({
   articleElement: $('#main')
+})

selector

Description

Type：
String
Default：
'h1,h2,h3,h4,h5,h6'

可选，用来指定 article 节点下，要生成导航的标题标签的选择器。

// Default selector
+new Outline(Outline.DEFAULTS)
+
+// Customize selector
+new Outline({
+  selector: 'h2'
 })

title

Description

Type：
String|Boolean
Default：
'目录'

可选，用来指定文章导读导航菜单的标题文字。设置空字符串或者 false，则不显示标题。在插入导航菜单的 DOM 元素已有标题时，可以设置 title: '' 或者 false。

说明：本 API 文档的导航菜单便是使用 outline.js 生成，并且没有设置 title。

(function(){
   const defaults = Outline.DEFAULTS
   let outline
@@ -1218,7 +1232,7 @@
 // 设置 stickyHeight（outline.js 的示例页面的主标题元素的高度）
 defaults.stickyHeight = 86
 // 默认生成独立的侧滑弹窗导航菜单
-new Outline(defaults)
showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
+new Outline(defaults)

showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

hasToolbar

Description

Type：
Boolean
Default：
true

可选，是否显示侧边的按钮工具栏：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
 new Outline()
 
 // Customize URL - 直接打开链接了
@@ -1879,6 +1893,8 @@
   stickyHeight: 0,
   // 是否显示标题编号
   showCode: true,
+  // 是否显示侧边的按钮工具栏
+  hasToolbar: true,
   // 指定是否采用动画定位高亮当前的章节标题，默认值：true
   // 当值为 false 时，则采用高亮当前章节标题的链接文字并加粗文字
   // 如果喜欢更简洁的高亮效果，可以选择设置为 false
@@ -2265,6 +2281,12 @@
 // Customize Selector
 const outline = new Outline({
   articleElement: $('#main')
+})

selector

Description

Type：
String
Default：
'h1,h2,h3,h4,h5,h6'

可选，用来指定 article 节点下，要生成导航的标题标签的选择器。

// Default selector
+new Outline(Outline.DEFAULTS)
+
+// Customize selector
+new Outline({
+  selector: 'h2'
 })

title

Description

Type：
String|Boolean
Default：
'目录'

可选，用来指定文章导读导航菜单的标题文字。设置空字符串或者 false，则不显示标题。在插入导航菜单的 DOM 元素已有标题时，可以设置 title: '' 或者 false。

说明：本 API 文档的导航菜单便是使用 outline.js 生成，并且没有设置 title。

(function(){
   const defaults = Outline.DEFAULTS
   let outline
@@ -2317,7 +2339,7 @@
 // 设置 stickyHeight（outline.js 的示例页面的主标题元素的高度）
 defaults.stickyHeight = 86
 // 默认生成独立的侧滑弹窗导航菜单
-new Outline(defaults)
showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
+new Outline(defaults)

showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

hasToolbar

Description

Type：
Boolean
Default：
true

可选，是否显示侧边的按钮工具栏：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
 new Outline()
 
 // Customize URL - 直接打开链接了
@@ -2978,6 +3000,8 @@
   stickyHeight: 0,
   // 是否显示标题编号
   showCode: true,
+  // 是否显示侧边的按钮工具栏
+  hasToolbar: true,
   // 指定是否采用动画定位高亮当前的章节标题，默认值：true
   // 当值为 false 时，则采用高亮当前章节标题的链接文字并加粗文字
   // 如果喜欢更简洁的高亮效果，可以选择设置为 false
@@ -3364,6 +3388,12 @@
 // Customize Selector
 const outline = new Outline({
   articleElement: $('#main')
+})

selector

Description

Type：
String
Default：
'h1,h2,h3,h4,h5,h6'

可选，用来指定 article 节点下，要生成导航的标题标签的选择器。

// Default selector
+new Outline(Outline.DEFAULTS)
+
+// Customize selector
+new Outline({
+  selector: 'h2'
 })

title

Description

Type：
String|Boolean
Default：
'目录'

可选，用来指定文章导读导航菜单的标题文字。设置空字符串或者 false，则不显示标题。在插入导航菜单的 DOM 元素已有标题时，可以设置 title: '' 或者 false。

说明：本 API 文档的导航菜单便是使用 outline.js 生成，并且没有设置 title。

(function(){
   const defaults = Outline.DEFAULTS
   let outline
@@ -3416,7 +3446,7 @@
 // 设置 stickyHeight（outline.js 的示例页面的主标题元素的高度）
 defaults.stickyHeight = 86
 // 默认生成独立的侧滑弹窗导航菜单
-new Outline(defaults)
showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
+new Outline(defaults)

showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

hasToolbar

Description

Type：
Boolean
Default：
true

可选，是否显示侧边的按钮工具栏：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
 new Outline()
 
 // Customize URL - 直接打开链接了
@@ -4077,6 +4107,8 @@
   stickyHeight: 0,
   // 是否显示标题编号
   showCode: true,
+  // 是否显示侧边的按钮工具栏
+  hasToolbar: true,
   // 指定是否采用动画定位高亮当前的章节标题，默认值：true
   // 当值为 false 时，则采用高亮当前章节标题的链接文字并加粗文字
   // 如果喜欢更简洁的高亮效果，可以选择设置为 false
@@ -4463,6 +4495,12 @@
 // Customize Selector
 const outline = new Outline({
   articleElement: $('#main')
+})

selector

Description

Type：
String
Default：
'h1,h2,h3,h4,h5,h6'

可选，用来指定 article 节点下，要生成导航的标题标签的选择器。

// Default selector
+new Outline(Outline.DEFAULTS)
+
+// Customize selector
+new Outline({
+  selector: 'h2'
 })

title

Description

Type：
String|Boolean
Default：
'目录'

可选，用来指定文章导读导航菜单的标题文字。设置空字符串或者 false，则不显示标题。在插入导航菜单的 DOM 元素已有标题时，可以设置 title: '' 或者 false。

说明：本 API 文档的导航菜单便是使用 outline.js 生成，并且没有设置 title。

(function(){
   const defaults = Outline.DEFAULTS
   let outline
@@ -4515,7 +4553,7 @@
 // 设置 stickyHeight（outline.js 的示例页面的主标题元素的高度）
 defaults.stickyHeight = 86
 // 默认生成独立的侧滑弹窗导航菜单
-new Outline(defaults)
showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
+new Outline(defaults)

showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

hasToolbar

Description

Type：
Boolean
Default：
true

可选，是否显示侧边的按钮工具栏：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
 new Outline()
 
 // Customize URL - 直接打开链接了
@@ -5176,6 +5214,8 @@
   stickyHeight: 0,
   // 是否显示标题编号
   showCode: true,
+  // 是否显示侧边的按钮工具栏
+  hasToolbar: true,
   // 指定是否采用动画定位高亮当前的章节标题，默认值：true
   // 当值为 false 时，则采用高亮当前章节标题的链接文字并加粗文字
   // 如果喜欢更简洁的高亮效果，可以选择设置为 false
@@ -5562,6 +5602,12 @@
 // Customize Selector
 const outline = new Outline({
   articleElement: $('#main')
+})

selector

Description

Type：
String
Default：
'h1,h2,h3,h4,h5,h6'

可选，用来指定 article 节点下，要生成导航的标题标签的选择器。

// Default selector
+new Outline(Outline.DEFAULTS)
+
+// Customize selector
+new Outline({
+  selector: 'h2'
 })

title

Description

Type：
String|Boolean
Default：
'目录'

可选，用来指定文章导读导航菜单的标题文字。设置空字符串或者 false，则不显示标题。在插入导航菜单的 DOM 元素已有标题时，可以设置 title: '' 或者 false。

说明：本 API 文档的导航菜单便是使用 outline.js 生成，并且没有设置 title。

(function(){
   const defaults = Outline.DEFAULTS
   let outline
@@ -5614,7 +5660,7 @@
 // 设置 stickyHeight（outline.js 的示例页面的主标题元素的高度）
 defaults.stickyHeight = 86
 // 默认生成独立的侧滑弹窗导航菜单
-new Outline(defaults)
showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
+new Outline(defaults)

showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

hasToolbar

Description

Type：
Boolean
Default：
true

可选，是否显示侧边的按钮工具栏：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
 new Outline()
 
 // Customize URL - 直接打开链接了
@@ -6275,6 +6321,8 @@
   stickyHeight: 0,
   // 是否显示标题编号
   showCode: true,
+  // 是否显示侧边的按钮工具栏
+  hasToolbar: true,
   // 指定是否采用动画定位高亮当前的章节标题，默认值：true
   // 当值为 false 时，则采用高亮当前章节标题的链接文字并加粗文字
   // 如果喜欢更简洁的高亮效果，可以选择设置为 false
@@ -6661,6 +6709,12 @@
 // Customize Selector
 const outline = new Outline({
   articleElement: $('#main')
+})

selector

Description

Type：
String
Default：
'h1,h2,h3,h4,h5,h6'

可选，用来指定 article 节点下，要生成导航的标题标签的选择器。

// Default selector
+new Outline(Outline.DEFAULTS)
+
+// Customize selector
+new Outline({
+  selector: 'h2'
 })

title

Description

Type：
String|Boolean
Default：
'目录'

可选，用来指定文章导读导航菜单的标题文字。设置空字符串或者 false，则不显示标题。在插入导航菜单的 DOM 元素已有标题时，可以设置 title: '' 或者 false。

说明：本 API 文档的导航菜单便是使用 outline.js 生成，并且没有设置 title。

(function(){
   const defaults = Outline.DEFAULTS
   let outline
@@ -6713,7 +6767,7 @@
 // 设置 stickyHeight（outline.js 的示例页面的主标题元素的高度）
 defaults.stickyHeight = 86
 // 默认生成独立的侧滑弹窗导航菜单
-new Outline(defaults)
showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
+new Outline(defaults)

showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

hasToolbar

Description

Type：
Boolean
Default：
true

可选，是否显示侧边的按钮工具栏：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
 new Outline()
 
 // Customize URL - 直接打开链接了
@@ -7374,6 +7428,8 @@
   stickyHeight: 0,
   // 是否显示标题编号
   showCode: true,
+  // 是否显示侧边的按钮工具栏
+  hasToolbar: true,
   // 指定是否采用动画定位高亮当前的章节标题，默认值：true
   // 当值为 false 时，则采用高亮当前章节标题的链接文字并加粗文字
   // 如果喜欢更简洁的高亮效果，可以选择设置为 false
@@ -7760,6 +7816,12 @@
 // Customize Selector
 const outline = new Outline({
   articleElement: $('#main')
+})

selector

Description

Type：
String
Default：
'h1,h2,h3,h4,h5,h6'

可选，用来指定 article 节点下，要生成导航的标题标签的选择器。

// Default selector
+new Outline(Outline.DEFAULTS)
+
+// Customize selector
+new Outline({
+  selector: 'h2'
 })

title

Description

Type：
String|Boolean
Default：
'目录'

可选，用来指定文章导读导航菜单的标题文字。设置空字符串或者 false，则不显示标题。在插入导航菜单的 DOM 元素已有标题时，可以设置 title: '' 或者 false。

说明：本 API 文档的导航菜单便是使用 outline.js 生成，并且没有设置 title。

(function(){
   const defaults = Outline.DEFAULTS
   let outline
@@ -7812,7 +7874,7 @@
 // 设置 stickyHeight（outline.js 的示例页面的主标题元素的高度）
 defaults.stickyHeight = 86
 // 默认生成独立的侧滑弹窗导航菜单
-new Outline(defaults)
showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
+new Outline(defaults)

showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

hasToolbar

Description

Type：
Boolean
Default：
true

可选，是否显示侧边的按钮工具栏：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
 new Outline()
 
 // Customize URL - 直接打开链接了
@@ -8473,6 +8535,8 @@
   stickyHeight: 0,
   // 是否显示标题编号
   showCode: true,
+  // 是否显示侧边的按钮工具栏
+  hasToolbar: true,
   // 指定是否采用动画定位高亮当前的章节标题，默认值：true
   // 当值为 false 时，则采用高亮当前章节标题的链接文字并加粗文字
   // 如果喜欢更简洁的高亮效果，可以选择设置为 false
@@ -8859,6 +8923,12 @@
 // Customize Selector
 const outline = new Outline({
   articleElement: $('#main')
+})

selector

Description

Type：
String
Default：
'h1,h2,h3,h4,h5,h6'

可选，用来指定 article 节点下，要生成导航的标题标签的选择器。

// Default selector
+new Outline(Outline.DEFAULTS)
+
+// Customize selector
+new Outline({
+  selector: 'h2'
 })

title

Description

Type：
String|Boolean
Default：
'目录'

可选，用来指定文章导读导航菜单的标题文字。设置空字符串或者 false，则不显示标题。在插入导航菜单的 DOM 元素已有标题时，可以设置 title: '' 或者 false。

说明：本 API 文档的导航菜单便是使用 outline.js 生成，并且没有设置 title。

(function(){
   const defaults = Outline.DEFAULTS
   let outline
@@ -8911,7 +8981,7 @@
 // 设置 stickyHeight（outline.js 的示例页面的主标题元素的高度）
 defaults.stickyHeight = 86
 // 默认生成独立的侧滑弹窗导航菜单
-new Outline(defaults)
showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
+new Outline(defaults)

showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

hasToolbar

Description

Type：
Boolean
Default：
true

可选，是否显示侧边的按钮工具栏：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
 new Outline()
 
 // Customize URL - 直接打开链接了
@@ -9572,6 +9642,8 @@
   stickyHeight: 0,
   // 是否显示标题编号
   showCode: true,
+  // 是否显示侧边的按钮工具栏
+  hasToolbar: true,
   // 指定是否采用动画定位高亮当前的章节标题，默认值：true
   // 当值为 false 时，则采用高亮当前章节标题的链接文字并加粗文字
   // 如果喜欢更简洁的高亮效果，可以选择设置为 false
diff --git a/docs/index.html b/docs/index.html
index b9a9b9fe..fb2b7512 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -4,6 +4,12 @@
 // Customize Selector
 const outline = new Outline({
   articleElement: $('#main')
+})

selector

Description

Type：
String
Default：
'h1,h2,h3,h4,h5,h6'

可选，用来指定 article 节点下，要生成导航的标题标签的选择器。

// Default selector
+new Outline(Outline.DEFAULTS)
+
+// Customize selector
+new Outline({
+  selector: 'h2'
 })

title

Description

Type：
String|Boolean
Default：
'目录'

可选，用来指定文章导读导航菜单的标题文字。设置空字符串或者 false，则不显示标题。在插入导航菜单的 DOM 元素已有标题时，可以设置 title: '' 或者 false。

说明：本 API 文档的导航菜单便是使用 outline.js 生成，并且没有设置 title。

(function(){
   const defaults = Outline.DEFAULTS
   let outline
@@ -56,7 +62,7 @@
 // 设置 stickyHeight（outline.js 的示例页面的主标题元素的高度）
 defaults.stickyHeight = 86
 // 默认生成独立的侧滑弹窗导航菜单
-new Outline(defaults)
showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
+new Outline(defaults)

showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

hasToolbar

Description

Type：
Boolean
Default：
true

可选，是否显示侧边的按钮工具栏：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
 new Outline()
 
 // Customize URL - 直接打开链接了
@@ -717,6 +723,8 @@
   stickyHeight: 0,
   // 是否显示标题编号
   showCode: true,
+  // 是否显示侧边的按钮工具栏
+  hasToolbar: true,
   // 指定是否采用动画定位高亮当前的章节标题，默认值：true
   // 当值为 false 时，则采用高亮当前章节标题的链接文字并加粗文字
   // 如果喜欢更简洁的高亮效果，可以选择设置为 false
diff --git a/docs/js/anchors.min.js b/docs/js/anchors.min.js
new file mode 100644
index 00000000..7be3e599
--- /dev/null
+++ b/docs/js/anchors.min.js
@@ -0,0 +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).Anchors=e()}(this,(function(){"use strict";const t=t=>"string"==typeof t,e=t=>Object.prototype.toString.apply(t),s=t=>"function"==typeof t||"[object Function]"===e(t),r=t=>("[object Object]"===e(t)||"object"==typeof t||s(t))&&null!==t,n=t=>!!(r(t)&&t.nodeName&&t.tagName&&1===t.nodeType),i=(t,e=300)=>!!s(t)&&setTimeout((()=>{t()}),e),o=[];let l,c;function a(t){for(;t.timeRemaining()>0&&o.length;){const t=o.shift();if(!s(t))return!1;t()}o.length?l=requestIdleCallback(a):(l=0,s(c)&&(c(),c=null))}void 0===window.requestIdleCallback&&(window.requestIdleCallback=function(t){const e=Date.now();return i((function(){t({didTimeout:!1,timeRemaining:function(){return Math.max(0,50-(Date.now()-e))}})}),10)},window.cancelIdleCallback=function(t){clearTimeout(t)});const 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this.attr(e),a=this.attr("articleElement"),o=this.attr("scrollElement"),l=this.attr("selector"),i=this.attr("created"),t(a)?c=document.querySelector(a):n(a)&&(c=a),c?(this.$articleElement=c,this.$scrollElement=u(o),this.$headings=[...c.querySelectorAll(l)],this.$headings.length<1||(this.chapters=N(this.$headings,r,this.attr("chapterTextFilter")),s(i)&&i.call(this),this.render().addListeners()),this):this}getChapters(t=!1){const e=this.chapters;return t?((t,e,s)=>{const r={},n=[];return t.forEach(((t,s)=>{r[t[e]]=s,t.children=[]})),t.forEach((e=>{const i=t[r[e[s]]];-1!==e[s]?i.children.push(e):n.push(e)})),n})(e,"id","pid"):e}count(){return this.chapters.length}render(){const t=400,e=this.attr("mounted"),r=this.attr("hasAnchor"),n=this.attr("isAtStart"),i=this.attr("showCode"),o=this.attr("anchorURL"),l=this.count(),c=[...this.$headings],a=this.getChapters(),d=(e,s)=>{e.forEach(((e,l)=>{const c=l+s*t,h=a[c].code;C(e,c,{hasAnchor:r,isAtStart:n,showCode:i,chapterCode:h,anchorURL:o})}))};let u=-1;if(L(),l>t)for(u+=1,d(c.splice(0,t),0);c.length>0;){const e=c.splice(0,t);h((()=>{d(e,u+=1)}),(()=>{this.$emit("anchors:all:paint")}))}else d(c,0);return s(e)&&e.call(this),this}scrollTo(t,e){return((t,e,r)=>{const n=u(t);let i=n.scrollTop,o=0;const l=e-i,c=n.scrollHeight,a=e-c<=0?e:c,h=t=>(s(r)&&r(t),!1),p=()=>{if(o+=1,l<0){if(i-=d(o),n.scrollTop=i,i<=e)return n.scrollTop=e,h(e)}else if(i+=d(o),n.scrollTop=i,i>=a)return n.scrollTop=a,h(a);requestAnimationFrame(p)};requestAnimationFrame(p)})(this.$scrollElement,t,e),this}destroy(){const t=this.attr("hasAnchor"),e=this.attr("isAtStart"),r=this.attr("beforeDestroy"),n=this.attr("afterDestroy"),i=this.$headings;return s(r)&&r.call(this),this.removeListeners(),i.forEach((s=>{k(s,t,e)})),this.attr(D.DEFAULTS),this.$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"),o=t.delegateTarget.parentNode,l=p(o)-(n+10),c=this.$scrollElement,a=c.scrollHeight-c.clientHeight;return this.scrollTo(l,(()=>{s(r)&&r.call(this,"anchor"),i((()=>{this.$emit("toolbar:update",{top:l,min:0,max:a})}))})),e||function(t){t.stopPropagation(),t.preventDefault()}(t),this}addListeners(){const t=this.$articleElement;return z(t,".outline-heading__anchor","click",this.onAnchorTrigger,this,!0),this}removeListeners(){const t=this.$articleElement;return v(t,"click",this.onAnchorTrigger),this}}return D.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,chapterTextFilter:null},D}));
+//# sourceMappingURL=anchors.min.js.map
diff --git a/docs/js/anchors.min.js.map b/docs/js/anchors.min.js.map
new file mode 100644
index 00000000..c3b1a4b8
--- /dev/null
+++ b/docs/js/anchors.min.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"anchors.min.js","sources":["../../utils/types/isString.js","../../utils/lang/toString.js","../../utils/types/isFunction.js","../../utils/types/isObject.js","../../utils/types/isElement.js","../../utils/lang/later.js","../../utils/lang/timeSlice.js","../../utils/lang/easeInQuad.js","../../utils/dom/_getScrollElement.js","../../utils/dom/offsetTop.js","../../utils/dom/matches.js","../../utils/dom/getParentOrHost.js","../../utils/event/enum.js","../../utils/event/_off.js","../../utils/event/_delete.js","../../utils/event/purgeElement.js","../../utils/event/getListeners.js","../../utils/event/off.js","../../utils/event/on.js","../../utils/event/getTarget.js","../../utils/dom/resolveTextNode.js","../../utils/dom/closest.js","../../utils/types/isArray.js","../../utils/icons/symbols.js","../../utils/icons/defaults.js","../../utils/icons/getSymbols.js","../../utils/icons/getSymbol.js","../../utils/icons/paint.js","../../utils/icons/add.js","../../utils/lang/trim.js","../../utils/types/isDOM.js","../../utils/types/isHTMLCollection.js","../../utils/types/isFragment.js","../../utils/types/isTextNode.js","../../utils/lang/hasOwn.js","../../utils/dom/setAttributes.js","../../utils/dom/setAttribute.js","../../utils/icons/createElement.js","../../utils/types/isSVG.js","../../_updateHeading.js","../../utils/icons/icon.js","../../utils/dom/createElement.js","../../utils/dom/removeClass.js","../../utils/dom/hasClass.js","../../_resetHeading.js","../../utils/types/isEmpty.js","../../getChapters.js","../../utils/lang/stripTags.js","../../_getChapterParentIdByDiffer.js","../../_getChaptersWithCode.js","../../utils/observer/_subscribers.js","../../utils/observer/_hasDirectSubscribersFor.js","../../utils/observer/has.js","../../utils/observer/_hasSubscribers.js","../../utils/observer/emit.js","../../utils/types/isTypedArray.js","../../utils/lang/guid.js","../../utils/observer/_removeSubscriber.js","../../utils/observer/off.js","../../utils/observer/_removeSubscriberByToken.js","../../base.js","../../utils/lang/extend.js","../../utils/observer/on.js","../../anchors.js","../../utils/lang/toTree.js","../../utils/dom/scrollTo.js","../../utils/event/stop.js"],"sourcesContent":["/**\n * 检测数据是否为 String 类型\n * ========================================================================\n * @method isArray\n * @param {*} str\n * @returns {boolean}\n */\nconst isString = (str) => {\n  return typeof str === 'string'\n}\n\nexport default isString\n","/**\n * Object 对象原型上的 toString 方法\n * ========================================================================\n * @method toString\n * @param {*} val\n * @returns {string}\n */\nconst toString = (val) => {\n  return Object.prototype.toString.apply(val)\n}\n\nexport default toString\n","import toString from '../lang/toString'\n\n/**\n * 检测测试数据是否为 Function 类型\n * ========================================================================\n * @method isFunction\n * @param {*} val - （必须）待检测的数据\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\n */\nconst isFunction = (val) => {\n  return typeof val === 'function' || toString(val) === '[object Function]'\n}\n\nexport default isFunction\n","import toString from '../lang/toString'\nimport isFunction from './isFunction'\n\n/**\n * 检测数据是否为 Object 类型\n * ========================================================================\n * @method isObject\n * @param {*} o\n * @returns {boolean}\n */\nconst isObject = (o) => {\n  return (\n    (toString(o) === '[object Object]' ||\n      typeof o === 'object' ||\n      isFunction(o)) &&\n    o !== null\n  )\n}\n\nexport default isObject\n","import isObject from './isObject'\n\n/**\n * 检测数据是否为 HTMLElement DOM 节点\n * ========================================================================\n * @method isElement\n * @param {*} o\n * @returns {boolean}\n */\nconst isElement = (o) => {\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\n}\n\nexport default isElement\n","import isFunction from '../types/isFunction'\n\n/**\n * later - 延迟执行方法\n * ========================================================================\n * @method later\n * @param {Function} fn\n * @param {Number} [delay]\n * @returns {number|boolean}\n */\nconst later = (fn, delay = 300) => {\n  if (!isFunction(fn)) {\n    return false\n  }\n\n  return setTimeout(() => {\n    fn()\n  }, delay)\n}\n\nexport default later\n","/**\n * timeSlice.js 时间切片功能函数\n * ====================================================\n * Created By: Yaohaixiao\n * Update: 2023.09.04\n */\nimport isFunction from '../types/isFunction'\nimport later from './later'\n\nconst queue = []\nlet isHandling\nlet done\n\n// Shim from https://developers.google.com/web/updates/2015/08/using-requestidlecallback\nif (typeof window.requestIdleCallback === 'undefined') {\n  window.requestIdleCallback = function (cb) {\n    const start = Date.now()\n    return later(function () {\n      cb({\n        didTimeout: false,\n        timeRemaining: function () {\n          return Math.max(0, 50 - (Date.now() - start))\n        }\n      })\n    }, 10)\n  }\n\n  window.cancelIdleCallback = function (id) {\n    clearTimeout(id)\n  }\n}\n\nfunction runIdle(idleDeadline) {\n  while (idleDeadline.timeRemaining() > 0 && queue.length) {\n    const fn = queue.shift()\n\n    if (!isFunction(fn)) {\n      return false\n    }\n\n    fn()\n  }\n\n  if (queue.length) {\n    isHandling = requestIdleCallback(runIdle)\n  } else {\n    isHandling = 0\n\n    if (isFunction(done)) {\n      done()\n      done = null\n    }\n  }\n}\n\n/**\n * 时间切片功能函数：主要用于优化长时任务的性能，将长时任务分解成\n * 多个短时间任务\n * ====================================================\n * @param {Function} fn - 需要在空闲时执行的回调函数\n * @param {Function} afterComplete - queen 的\n * @return {(function(): (boolean|undefined))|*|boolean}\n */\nconst timeSlice = (fn, afterComplete = null) => {\n  queue.push(fn)\n\n  if (isFunction(afterComplete)) {\n    done = afterComplete\n  }\n\n  if (!isHandling) {\n    requestIdleCallback(runIdle)\n  }\n}\n\nexport default timeSlice\n","/**\n * 返回给定值的平方值\n * ========================================================================\n * @method easeInQuad\n * @param {Number} x\n * @returns {number}\n */\nconst easeInQuad = (x) => {\n  return x * x\n}\n\nexport default easeInQuad\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\n\n/**\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\n * ========================================================================\n * @method _getScrollElement\n * @param {String|HTMLElement} scrollElement\n * @returns {Element}\n * @private\n */\nconst _getScrollElement = (scrollElement = null) => {\n  let $rootElements\n  let $scrollElement\n\n  if (!scrollElement) {\n    $rootElements = document.querySelectorAll('html,body')\n    $scrollElement =\n      $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\n        ? $rootElements[0]\n        : $rootElements[1]\n  } else {\n    if (isString(scrollElement)) {\n      $scrollElement = document.querySelector(scrollElement)\n    } else if (isElement(scrollElement)) {\n      $scrollElement = scrollElement\n    }\n  }\n\n  return $scrollElement\n}\n\nexport default _getScrollElement\n","/**\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\n * ========================================================================\n * @method offsetTop\n * @param {HTMLElement} el - DOM 节点\n * @returns {Number}\n */\nconst offsetTop = (el) => {\n  let top = el.offsetTop\n\n  if (el.offsetParent !== null) {\n    top += offsetTop(el.offsetParent)\n  }\n\n  return top\n}\n\nexport default offsetTop\n","/**\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\n * ========================================================================\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\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\n * 标 DOM 元素是否为事件代理所期望触发的目标。\n * ========================================================================\n * @method matches\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\n * @returns {Boolean}\n */\nconst matches = (el, selector = '') => {\n  const sel = selector.replace(/^>/i, '')\n\n  if (!selector || !sel || !el) {\n    return false\n  }\n\n  /* istanbul ignore else */\n  if (el.matches) {\n    return el.matches(sel)\n  } else if (el.msMatchesSelector) {\n    return el.msMatchesSelector(sel)\n  } else {\n    return false\n  }\n}\n\nexport default matches\n","/**\n * 获取 DOM 元素的父节点\n * ========================================================================\n * @method getParentOrHost\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\n * @returns {*|HTMLElement}\n */\nconst getParentOrHost = (el) => {\n  return el.host && el !== document && el.host.nodeType\n    ? el.host\n    : el.parentNode\n}\n\nexport default getParentOrHost\n","export const CAPTURE_EVENTS = [\n  'focusout',\n  'blur',\n  'focusin',\n  'focus',\n  'load',\n  'unload',\n  'mouseenter',\n  'mouseleave'\n]\n","import { CAPTURE_EVENTS } from './enum'\nimport _delete from './_delete'\n\n/**\n * （私有方法）取消 type 类型的代理事件绑定\n * ========================================================================\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\n * ========================================================================\n * @method _off\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} fn - （必须）事件处理器回调函数\n * @private\n */\nconst _off = (el, type, fn) => {\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n  /* istanbul ignore else */\n  if (fn._delegateListener) {\n    fn = fn._delegateListener\n    delete fn._delegateListener\n  }\n\n  // 移除缓存的 _listeners 数据\n  _delete(el, type, fn)\n\n  el.removeEventListener(type, fn, capture)\n}\n\nexport default _off\n","/**\n * 删除 DOM 元素缓存的 _listeners 数据\n * ========================================================================\n * @method _delete\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\n * @param {String} type - 事件类型（名称）\n * @param {Function} [fn] - 事件处理器回调函数\n */\nconst _delete = function (el, type, fn) {\n  const listeners = el._listeners\n  let index = -1\n\n  if (listeners.length < 1) {\n    return false\n  }\n\n  // 移除缓存的 _listeners 数据\n  listeners.forEach((listener, i) => {\n    const handler = listener.fn\n\n    if (type === listener.type) {\n      index = i\n\n      if (handler === fn) {\n        index = i\n      }\n    }\n  })\n\n  /* istanbul ignore else */\n  if (index > -1) {\n    listeners.splice(index, 1)\n  }\n}\n\nexport default _delete\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\nimport getListeners from './getListeners'\nimport _off from './_off'\n\n/**\n * 销毁（type 类型的）代理事件绑定\n * ========================================================================\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\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\n * ========================================================================\n * @method purgeElement\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\n * @param {String|Boolean} type - （必须）事件类型\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\n */\nconst purgeElement = function (el, type, recurse = false) {\n  const $element = isString(el) ? document.querySelector(el) : el\n  const $children = $element.childNodes\n  const listeners = getListeners($element, type)\n\n  listeners.forEach((listener) => {\n    _off($element, listener.type, listener.fn)\n  })\n\n  if (\n    (recurse || type === true || arguments.length === 1) &&\n    $element &&\n    $children\n  ) {\n    $children.forEach(($child) => {\n      if (isElement($child)) {\n        purgeElement($child, type, recurse)\n      }\n    })\n  }\n}\n\nexport default purgeElement\n","import isString from '../types/isString'\n\n/**\n * 获取 DOM 元素（type 事件类型）事件绑定信息\n * ========================================================================\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\n * ========================================================================\n * @methods getListeners\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\n * @param {String} [type] - （可选）事件类型\n * @returns {Array} - 已绑定的事件信息\n */\nconst getListeners = (el, type) => {\n  let listeners = el._listeners || []\n\n  if (isString(type) && type) {\n    listeners = listeners.filter((listener) => {\n      return listener.type === type\n    })\n  }\n\n  return listeners\n}\n\nexport default getListeners\n","import purgeElement from './purgeElement'\nimport isFunction from '../types/isFunction'\nimport _off from './_off'\n\n/**\n * 取消 type 类型的代理事件绑定\n * ========================================================================\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\n * ========================================================================\n * @method off\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} [fn] - （可选）事件处理器回调函数\n */\nconst off = (el, type, fn) => {\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\n  if (!isFunction(fn)) {\n    return purgeElement(el, type)\n  }\n\n  _off(el, type, fn)\n}\n\nexport default off\n","import closest from '../dom/closest'\nimport off from './off'\nimport getTarget from './getTarget'\n\nimport { CAPTURE_EVENTS } from './enum'\n\n/**\n * 绑定代理事件\n * ========================================================================\n * @method on\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\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\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，\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\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\n * @param {Boolean} once - （可选）是否仅触发一次\n */\nconst on = (el, selector, type, fn, data, context, once = false) => {\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n  const listener = function (evt) {\n    const target = getTarget(evt)\n    // 通过 Element.matches 方法获得点击的目标元素\n    const delegateTarget = closest(target, selector, el)\n    let overrideContext = context || el\n\n    evt.delegateTarget = delegateTarget\n\n    // 当设置为 true 时，则事件处理器回调函数的\n    // this 上下文指向为 data 对象\n    if (context === true) {\n      overrideContext = data\n    }\n\n    /* istanbul ignore else */\n    if (delegateTarget) {\n      // 仅触发一次\n      /* istanbul ignore else */\n      if (once === true) {\n        off(el, type, listener)\n      }\n\n      fn.call(overrideContext, evt, data)\n    }\n  }\n\n  if (!el._listeners) {\n    el._listeners = []\n  }\n\n  // 缓存 options 元素绑定的事件处理器\n  el._listeners.push({\n    el,\n    selector,\n    type,\n    fn: listener,\n    data,\n    context,\n    capture\n  })\n\n  // 缓存包装后的事件处理器\n  fn._delegateListener = listener\n\n  el.addEventListener(type, listener, capture)\n}\n\nexport default on\n","import resolveTextNode from '../dom/resolveTextNode'\n\n/**\n * 返回触发事件的 target DOM 元素\n * ========================================================================\n * @method getTarget\n * @param {Event} evt - Event 对象\n * @return {HTMLElement} - Event 对象的 target DOM 元素\n */\nconst getTarget = function (evt) {\n  const target = evt.target\n\n  return resolveTextNode(target)\n}\n\nexport default getTarget\n","/**\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。\n * resolveTextNode() 方法则会返回实际的目标节点。\n * ========================================================================\n * @method resolveTextNode\n * @param {HTMLElement|Text} el - 要解析的节点\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\n */\nconst resolveTextNode = function (el) {\n  if (el && el.nodeType === 3) {\n    return el.parentNode\n  }\n\n  return el\n}\n\nexport default resolveTextNode\n","import matches from './matches'\nimport getParentOrHost from './getParentOrHost'\n\n/**\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\n * ========================================================================\n * @method closest\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）DOM 元素的选择其\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\n */\nconst closest = (el, selector, ctx, includeCTX) => {\n  const context = ctx || document\n\n  if (!el) {\n    return null\n  }\n\n  do {\n    /* istanbul ignore else */\n    if (\n      (selector != null &&\n        (selector.startsWith('>')\n          ? el.parentNode === context && matches(el, selector)\n          : matches(el, selector))) ||\n      (includeCTX && el === context)\n    ) {\n      return el\n    }\n\n    /* istanbul ignore else */\n    if (el === context) {\n      break\n    }\n\n    /* jshint boss:true */\n  } while ((el = getParentOrHost(el)))\n}\n\nexport default closest\n","import toString from '../lang/toString'\n\n/**\n * 检测数据是否为 Array 类型\n * ========================================================================\n * @method isArray\n * @param {*} o\n * @returns {boolean}\n */\nconst isArray = (o) => {\n  if (Array.isArray) {\n    return Array.isArray(o)\n  } else {\n    return toString(o) === '[object Array]'\n  }\n}\n\nexport default isArray\n","import DEFAULTS from './defaults'\n\nconst SYMBOLS = [...DEFAULTS]\n\nexport default SYMBOLS\n","const DEFAULTS = [\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  ''\n]\n\nexport default DEFAULTS\n","import isString from '../types/isString'\nimport getSymbol from './getSymbol'\nimport SYMBOLS from './symbols'\n\n/**\n *\n * @method getSymbols\n * @param {String} [name]\n * @param {String} [iconSet]\n * @returns {string[]|*}\n */\nconst getSymbols = (name, iconSet = 'icon') => {\n  if (isString(name)) {\n    return getSymbol(name, iconSet)\n  }\n\n  return [...SYMBOLS]\n}\n\nexport default getSymbols\n","import SYMBOLS from './symbols'\n\n/**\n * @method getSymbol\n * @param {String} name\n * @param {String} [iconSet]\n * @returns {String}\n */\nconst getSymbol = (name, iconSet = 'icon') => {\n  const patternName = /id=\"(.*?)\"/\n  const patternSet = /^(\\w+)-/\n  const symbols = SYMBOLS\n\n  return symbols.find((symbol) => {\n    const names = patternName.exec(symbol)\n    const fullName = names[1]\n    const sets = patternSet.exec(fullName)\n    const setName = sets[1]\n    const iconName =\n      iconSet === 'icon' ? `${iconSet}-${name}` : `${iconSet}-icon-${name}`\n\n    return setName === iconSet && fullName === iconName\n  })\n}\n\nexport default getSymbol\n","import add from './add'\nimport getSymbols from './getSymbols'\n\n/**\n * 绘制 SVG 图标集\n * ========================================================================\n * @method paint\n * @param {String|Array} symbol\n */\nconst paint = (symbol = '') => {\n  const $body = document.body\n  let $icons = document.querySelector('#outline-icons')\n  let symbols = []\n\n  add(symbol)\n  symbols = getSymbols()\n\n  if ($icons) {\n    $icons.innerHTML = symbols.join('')\n  } else {\n    $icons = document.createElement('div')\n    $icons.innerHTML =\n      ``\n    $body.insertBefore($icons.firstChild, $body.firstChild)\n  }\n}\n\nexport default paint\n","import isArray from '../types/isArray'\nimport isString from '../types/isString'\nimport SYMBOLS from './symbols'\n\n/**\n * @method add\n * @param {Array|String} symbols\n * @return {Boolean}\n */\nconst add = (symbols) => {\n  if (!symbols) {\n    return false\n  }\n\n  if (isArray(symbols) && symbols.length > 0) {\n    symbols.forEach((symbol) => {\n      /* istanbul ignore else */\n      if (SYMBOLS.indexOf(symbol) === -1 && isString(symbol)) {\n        SYMBOLS.push(symbol)\n      }\n    })\n  } else {\n    /* istanbul ignore else */\n    if (isString(symbols)) {\n      SYMBOLS.push(symbols)\n    }\n  }\n}\n\nexport default add\n","import isString from '../types/isString'\n\n/**\n * 清楚字符串起始位置所有的空格\n * ========================================================================\n * @method trim\n * @param {string} str\n * @returns {string|Boolean}\n */\nconst trim = (str) => {\n  if (!isString(str)) {\n    return false\n  }\n  return str.replace(/(^\\s+)|(\\s+$)/g, '')\n}\n\nexport default trim\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'\nimport isObject from './isObject'\n\nconst isFragment = (fragment) => {\n  return !!(\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\n  )\n}\n\nexport default isFragment\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","/**\n * 检测对象自身属性中是否具有指定的属性。\n * ========================================================================\n * @method hasOwn\n * @param {Object} obj - （必须）检测的目标对象\n * @param {String} prop - （必须）属性名\n * @returns {Boolean}\n */\nconst hasOwn = (obj, prop) => {\n  const hasOwnProperty = Object.prototype.hasOwnProperty\n  return obj && hasOwnProperty.call(obj, prop)\n}\n\nexport default hasOwn\n","import isObject from '../types/isObject'\nimport hasOwn from '../lang/hasOwn'\nimport setAttribute from './setAttribute'\n\nconst setAttributes = (el, attrs) => {\n  if (!el || !isObject(attrs)) {\n    return false\n  }\n\n  Object.keys(attrs).forEach((attr) => {\n    const value = attrs[attr]\n    if (hasOwn(attrs, attr)) {\n      setAttribute(el, attr, value)\n    }\n  })\n}\n\nexport default setAttributes\n","/**\n * 给 DOM 节点设置属性/值\n * ========================================================================\n * @method setAttribute\n * @param {HTMLElement} el - DOM 节点\n * @param {String} attr - 属性名称\n * @param {String|Number|Boolean} value - 属性值\n */\nconst setAttribute = (el, attr, value) => {\n  let tagName = el.tagName.toLowerCase()\n\n  switch (attr) {\n    case 'style':\n      el.style.cssText = value\n      break\n    case 'value':\n      if (tagName === 'input' || tagName === 'textarea') {\n        el.value = value\n      } else {\n        el.setAttribute(attr, value)\n      }\n      break\n    case 'htmlFor':\n      el.setAttribute('for', value)\n      break\n    case 'className':\n      el.className = value\n      break\n    case 'innerHTML':\n      el.innerHTML = value\n      break\n    case 'innerText':\n      el.innerText = value\n      break\n    default:\n      el.setAttribute(attr, value)\n      break\n  }\n}\n\nexport default setAttribute\n","import isArray from '../types/isArray'\nimport isString from '../types/isString'\nimport isSVG from '../types/isSVG'\nimport setAttributes from '../dom/setAttributes'\n\n/**\n * 创建 SVG 图标 DOM 元素\n * ========================================================================\n * @method createElement\n * @param {String} name\n * @param {Object} [options]\n * @param {Number|Array} [options.size]\n * @param {String} [options.color]\n * @param {String} [options.iconSet]\n * @param {Object} [options.attrs]\n * @returns {HTMLElement}\n */\nconst createElement = (name, options = {}) => {\n  const ICON = 'outline-icon'\n  const size = options.size || 0\n  const color = options.color || ''\n  const iconSet = options.iconSet || ''\n  const width = isArray(size) ? size[0] : size\n  const height = isArray(size) ? size[1] : size\n  const defaultRules = size ? `width:${width}px;height:${height}px;` : ''\n  const cssRules = color ? defaultRules + `color:${color}` : defaultRules\n  const attrs = options.attrs || {}\n  const $icon = document.createElement('i')\n  let binds = ''\n  let svg = ''\n  let $svg\n\n  if (!isString(name)) {\n    return null\n  }\n\n  if (isSVG(name)) {\n    svg = name\n  } else {\n    binds =\n      iconSet && iconSet !== 'icon'\n        ? `xlink:href=\"#${iconSet}-icon-${name}\"`\n        : `xlink:href=\"#icon-${name}\"`\n    svg = ``\n  }\n\n  $icon.innerHTML = svg\n\n  if (attrs.className) {\n    attrs.className = `${ICON} ${attrs.className}`\n  } else {\n    attrs.className = ICON\n  }\n\n  setAttributes($icon, attrs)\n\n  $svg = $icon.querySelector('svg')\n  setAttributes($svg, {\n    'aria-hidden': true,\n    xmlns: 'http://www.w3.org/2000/svg',\n    class: 'outline-icon__svg',\n    width: 200,\n    height: 200,\n    style: cssRules\n  })\n\n  return $icon\n}\n\nexport default createElement\n","import isString from './isString'\n\nconst isSVG = (str) => {\n  const declaration = '(?:<\\\\?xml[^>]*>\\\\s*)?'\n  const doctype =\n    '(?:<\\\\!doctype svg[^>]*\\\\s*(?:\\\\[?(?:\\\\s*]*>\\\\s*)*\\\\]?)*[^>]*>\\\\s*)?'\n  const content = ']*>[^]*<\\\\/svg>\\\\s*$'\n  const svg = `^\\\\s*${declaration}${doctype}${content}\\\\s*$`\n  const pattern = new RegExp(svg, 'i')\n\n  return isString(str) && pattern.test(str)\n}\n\nexport default isSVG\n","import trim from './utils/lang/trim'\nimport createElement from './utils/dom/createElement'\nimport setAttributes from './utils/dom/setAttributes'\n\nimport icon from './utils/icons/icon'\n\nconst _updateHeading = ($heading, i, options) => {\n  const CLS_HEADING = 'outline-heading'\n  const hasAnchor = options.hasAnchor || true\n  const isAtStart = options.isAtStart || true\n  const showCode = options.showCode || false\n  const chapterCode = options.chapterCode || ''\n  const anchorURL = options.anchorURL || ''\n  const headingId = `heading-${i}`\n  const attrs = {\n    id: headingId,\n    className: isAtStart ? `${CLS_HEADING} ${CLS_HEADING}_start` : CLS_HEADING,\n    'data-id': i\n  }\n  const text = trim($heading.innerHTML)\n  let $anchor\n  let $icon\n\n  if (showCode) {\n    attrs.innerHTML = chapterCode + ' ' + text\n  }\n  setAttributes($heading, attrs)\n\n  if (!hasAnchor) {\n    return false\n  }\n\n  $icon = icon('hash', { iconSet: 'outline' })\n  $anchor = createElement(\n    'a',\n    {\n      id: `anchor-${i}`,\n      className: `${CLS_HEADING}__anchor anchor-${i}`,\n      href: anchorURL || `#${headingId}`,\n      target: anchorURL ? '_blank' : 'self',\n      'data-id': i\n    },\n    $icon\n  )\n  $heading.appendChild($anchor)\n}\n\nexport default _updateHeading\n","import createElement from './createElement'\n\n/**\n * 创建 SVG 图标 DOM 元素\n * ========================================================================\n * @method icon\n * @alias createElement\n * @see createElement\n * @param {String} name\n * @param {Object} [options]\n * @param {Number|Array} [options.size]\n * @param {String} [options.color]\n * @param {String} [options.iconSet]\n * @returns {HTMLElement}\n */\nconst icon = (name, options = {}) => {\n  return createElement(name, options)\n}\n\nexport default icon\n","import isObject from '../types/isObject'\nimport isString from '../types/isString'\nimport isArray from '../types/isArray'\nimport isDOM from '../types/isDOM'\nimport setAttributes from './setAttributes'\n\n/**\n * 创建 DOM 节点，并添加属性和子节点\n * ========================================================================\n * @method createElement\n * @param {String} tagName - 标签名称\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\n * @returns {HTMLElement}\n */\nconst createElement = (tagName, attrs, children) => {\n  const $fragment = document.createDocumentFragment()\n  const $el = document.createElement(tagName)\n  const isValidChild = (child) => {\n    return isDOM(child) || isString(child)\n  }\n  const append = (child) => {\n    let $child\n\n    if (!isValidChild(child)) {\n      return false\n    }\n\n    if (isDOM(child)) {\n      $child = child\n    } else if (isString(child)) {\n      $child = document.createTextNode(child)\n    }\n\n    $fragment.appendChild($child)\n  }\n\n  if (isObject(attrs)) {\n    setAttributes($el, attrs)\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\n    attrs.forEach((child) => {\n      append(child)\n    })\n  } else if (isDOM(attrs)) {\n    append(attrs)\n  } else if (isString(attrs)) {\n    append(document.createTextNode(attrs))\n  }\n\n  if (isArray(children)) {\n    children.forEach((child) => {\n      append(child)\n    })\n  } else {\n    append(children)\n  }\n\n  $el.appendChild($fragment)\n\n  return $el\n}\n\nexport default createElement\n","import trim from '../lang/trim'\nimport hasClass from './hasClass'\n\n/**\n * 移除 DOM 节点的 className 样式\n * ========================================================================\n * @method removeClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst removeClass = (el, className) => {\n  let allClass = el.className\n  let classList\n\n  if (!allClass || !hasClass(el, className)) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.remove) {\n    classList.remove(className)\n  } else {\n    allClass = trim(allClass.replace(className, ''))\n    el.className = allClass\n  }\n}\n\nexport default removeClass\n","import isElement from '../types/isElement'\n/**\n * 检测 DOM 节点是否包含名为 className 的样式\n * ========================================================================\n * @method hasClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst hasClass = (el, className) => {\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\n  let allClass\n  let classList\n\n  if (!isElement(el)) {\n    return false\n  }\n\n  allClass = el.className\n\n  if (!allClass) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.contains) {\n    return el.classList.contains(className)\n  }\n\n  return !!pattern.exec(allClass)\n}\n\nexport default hasClass\n","import removeClass from './utils/dom/removeClass'\nimport isEmpty from './utils/types/isEmpty'\nimport trim from './utils/lang/trim'\n\nconst _resetHeading = ($heading, hasAnchor = true, isAtStart = true) => {\n  const CLS_HEADING = 'outline-heading'\n  const text = $heading.innerHTML\n  const pattern = /^\\d+(\\.?\\d+)*\\s?/gi\n  let $anchor\n\n  $heading.innerHTML = text.replace(pattern, '')\n  $heading.removeAttribute('id')\n  $heading.removeAttribute('data-id')\n\n  removeClass($heading, CLS_HEADING)\n\n  if (!hasAnchor) {\n    return false\n  }\n\n  $anchor = $heading.querySelector(`.${CLS_HEADING}__anchor`)\n\n  if (isAtStart) {\n    removeClass($heading, `${CLS_HEADING}_start`)\n  }\n\n  if (isEmpty(trim($heading.className))) {\n    $heading.removeAttribute('class')\n  }\n\n  $heading.removeChild($anchor)\n}\n\nexport default _resetHeading\n","import isString from './isString'\n/**\n * 检测数据是否为空字符串\n * ========================================================================\n * @method isEmpty\n * @param {String} str\n * @returns {boolean}\n */\nconst isEmpty = (str) => {\n  return isString(str) && str === ''\n}\n\nexport default isEmpty\n","import trim from './utils/lang/trim'\nimport stripTags from './utils/lang/stripTags'\nimport isFunction from './utils/types/isFunction'\n\nimport _getChapterParentIdByDiffer from './_getChapterParentIdByDiffer'\nimport _getChaptersWithCode from './_getChaptersWithCode'\n\n/**\n * 根据文章中的 h1~h6 标签，自动分析返回文章章节数据\n * ========================================================================\n * @method getChapters\n * @param {Array} headings\n * @param {Boolean} [showCode]\n * @param {Function} [chapterTextFilter]\n * @return {*|*[]}\n */\nconst getChapters = (headings, showCode = true, chapterTextFilter = null) => {\n  let previous = 1\n  let level = 0\n  let text = ''\n  const chapters = []\n\n  headings.forEach((heading, i) => {\n    const tagName = heading.tagName\n    const headingLevel = tagName.replace(/h/i, '')\n    let current = parseInt(headingLevel, 10)\n    let pid = -1\n\n    // 场景1：当前标题是前一个标题的子标题\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；\n    // h2 （前一个标题）\n    // h3 （当前标题）\n    if (current > previous) {\n      level += 1\n\n      // 第一层级的 pid 是 -1\n      if (level === 1) {\n        pid = -1\n      } else {\n        pid = i - 1\n      }\n    }\n    // 场景2：当前标题和前一个标题层级相同\n    // 当前标题的（标题标签）序号 = 前一个标题的序号\n    // h2 （前一个标题）\n    // h2 （当前标题）\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\n    // h2\n    // h4 （前一个标题）\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）\n    else if (current === previous || (current < previous && current > level)) {\n      // H1 的层级肯定是 1\n      if (current === 1) {\n        level = 1\n        pid = -1\n      } else {\n        pid = chapters[i - 1].pid\n      }\n    }\n    // 场景3：当前标题比前一个标题层级高\n    else if (current <= level) {\n      // H1 的层级肯定是 1\n      if (current === 1) {\n        level = 1\n      } else {\n        level = level - (previous - current)\n\n        if (level <= 1) {\n          level = 1\n        }\n      }\n\n      // 第一级的标题\n      if (level === 1) {\n        pid = -1\n      } else {\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\n        pid = _getChapterParentIdByDiffer(chapters, previous - current, i)\n      }\n    }\n\n    previous = current\n\n    text = stripTags(trim(heading.innerHTML))\n\n    if (isFunction(chapterTextFilter)) {\n      text = chapterTextFilter(text)\n    }\n\n    chapters.push({\n      id: i,\n      pid: pid,\n      level: level,\n      rel: `heading-${i}`,\n      text,\n      tagName\n    })\n  })\n\n  return showCode ? _getChaptersWithCode(chapters) : chapters\n}\n\nexport default getChapters\n","import isString from '../types/isString'\n\n/**\n * 过滤所有 HTML 标签\n * ========================================================================\n * @method stripTags\n * @param {string} str\n * @returns {string}\n */\nconst stripTags = (str) => {\n  if (!isString(str)) {\n    return ''\n  }\n  return str.replace(/<\\/?[^>]+(>|$)/g, '')\n}\n\nexport default stripTags\n","const _getChapterParentIdByDiffer = (chapters, differ, index) => {\n  let previous = chapters[index - 1]\n  let pid\n  let i\n\n  for (i = 0; i < differ; i += 1) {\n    pid = previous.pid\n    previous = chapters[pid]\n  }\n\n  pid = previous.pid\n\n  return pid\n}\n\nexport default _getChapterParentIdByDiffer\n","import isArray from './utils/types/isArray'\n\nconst _getChaptersWithCode = (chapters) => {\n  const groups = {}\n  const cb = (o) => {\n    return [o.pid]\n  }\n\n  chapters.forEach((o) => {\n    const group = JSON.stringify(cb(o))\n\n    groups[group] = groups[group] || []\n    groups[group].push(o)\n\n    o.index = groups[group].length\n    if (o.pid === -1) {\n      o.code = String(o.index)\n    }\n  })\n\n  Object.keys(groups).forEach((group) => {\n    groups[group].forEach((c) => {\n      const subjects = groups[`[${c.id}]`]\n      if (!subjects || !isArray(subjects)) {\n        return false\n      }\n      subjects.forEach((o) => {\n        o.code = c.code + '.' + o.index\n      })\n    })\n  })\n\n  return chapters\n}\n\nexport default _getChaptersWithCode\n","/**\n * 存储订阅者（主题和处理器的）私有对象\n * ========================================================================\n * @type {{}}\n * @private\n */\nconst _subscribers = {}\n\nexport default _subscribers\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\n * ========================================================================\n * @method _hasDirectSubscribersFor\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasDirectSubscribersFor = (topic) => {\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\n}\n\nexport default _hasDirectSubscribersFor\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\nimport _hasSubscribers from './_hasSubscribers'\n\n/**\n * 判断是否存在包含 topic 指定的订阅者信息\n * ========================================================================\n * @method has\n * @param {String} topic - （必须）主题名称\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\n * @returns {Boolean}\n */\nconst has = (topic, isDirect = true) => {\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\n}\n\nexport default has\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * 判断是否存在包含给定 topic 相关的订阅者信息\n * ========================================================================\n * @method _hasSubscribers\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasSubscribers = (topic) => {\n  let found = _hasDirectSubscribersFor(topic)\n  let position = topic.lastIndexOf('.')\n\n  while (!found && position !== -1) {\n    topic = topic.substring(0, position)\n    position = topic.lastIndexOf('.')\n    found = _hasDirectSubscribersFor(topic)\n  }\n\n  return found\n}\n\nexport default _hasSubscribers\n","import isTypedArray from '../types/isTypedArray'\nimport _subscribers from './_subscribers'\nimport has from './has'\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * （异步）发布订阅主题信息\n * ========================================================================\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。\n * ========================================================================\n * @method emit\n * @param {String} topic - （必须）主题名称\n * @param {Object} [data] - （可选）数据对象\n * @param {Boolean} [async] - (可选) 是否异步发布\n */\nconst emit = (topic, data, async = true) => {\n  const execute = (topic) => {\n    if (!_hasDirectSubscribersFor(topic)) {\n      return false\n    }\n\n    _subscribers[topic].forEach((subscriber) => {\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\n      // 采用 toString() 方法转化为普通（JSON）字符串\n      const message = isTypedArray(data) ? data.toString() : data\n\n      subscriber.callback.call(subscriber.context || subscriber, message)\n    })\n  }\n  const deliver = () => {\n    let subscriber = topic\n    let position = topic.lastIndexOf('.')\n\n    while (position !== -1) {\n      subscriber = subscriber.substring(0, position)\n      position = subscriber.lastIndexOf('.')\n\n      execute(subscriber)\n    }\n\n    // 执行 topic 对应的处理器\n    execute(topic)\n    // 执行特殊 topic：'*'（监听全部消息的发布）\n    execute('*')\n  }\n\n  if (!has(topic)) {\n    return false\n  }\n\n  if (async) {\n    setTimeout(deliver, 10)\n  } else {\n    deliver()\n  }\n}\n\nexport default emit\n","import toString from '../lang/toString'\n/**\n * 判断检测数据是否为 Typed Arrays 类型的数据\n * ========================================================================\n * @param {*} val\n * @returns {boolean}\n */\nconst isTypedArray = (val) => {\n  const TYPES = [\n    '[object Int8Array]',\n    '[object Uint8Array]',\n    '[object Uint8ClampedArray]',\n    '[object Int16Array]',\n    '[object Uint16Array]',\n    '[object Int32Array]',\n    '[object Uint32Array]',\n    '[object Float32Array]',\n    '[object Float64Array]',\n    '[object BigInt64Array]',\n    '[object BigUint64Array]'\n  ]\n\n  return TYPES.indexOf(toString(val)) > -1\n}\n\nexport default isTypedArray\n","/**\n * 生成唯一 id 字符串的函数\n * ========================================================================\n * @method guid\n * @param {String} [prefix] - 生成 id 的前缀字符串\n * @return {String} 返回一个表示唯一 id 的字符串\n */\nconst guid = (() => {\n  let uuid = 0\n\n  return (prefix) => {\n    uuid += 1\n\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\n  }\n})()\n\nexport default guid\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 删除与给定 topic 相同的订阅者信息\n * ========================================================================\n * @method _removeSubscriber\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _removeSubscriber = (topic) => {\n  if (!hasOwn(_subscribers, topic)) {\n    return false\n  }\n\n  delete _subscribers[topic]\n}\n\nexport default _removeSubscriber\n","import has from './has'\nimport _removeSubscriber from './_removeSubscriber'\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\n\n/**\n * 取消订阅主题\n * ========================================================================\n * @method off\n * @param {String} topic - （必须）订阅的主题\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\n */\nconst off = (topic, token) => {\n  if (!has(topic)) {\n    return false\n  }\n\n  if (token) {\n    _removeSubscriberByToken(token)\n  } else {\n    _removeSubscriber(topic)\n  }\n}\n\nexport default off\n","import _subscribers from './_subscribers'\nimport _removeSubscriber from './_removeSubscriber'\n\n/**\n * 通过订阅者 token 值删除订阅者信息\n * ========================================================================\n * @method _removeSubscriberByToken\n * @param {String} token - 订阅者 token 字符串\n * @returns {boolean}\n * @private\n */\nconst _removeSubscriberByToken = (token) => {\n  const keys = Object.keys(_subscribers)\n  let index = -1\n\n  if (!token || keys.length < 1) {\n    return false\n  }\n\n  keys.forEach((subject) => {\n    const subscriber = _subscribers[subject]\n    let topic\n\n    subscriber.forEach((execution, j) => {\n      if (execution.callback === token || execution.token === token) {\n        topic = execution.topic\n        subscriber.splice(index, j)\n      }\n    })\n\n    /* istanbul ignore else */\n    if (subscriber.length < 1) {\n      _removeSubscriber(topic)\n    }\n  })\n}\n\nexport default _removeSubscriberByToken\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\nimport publish from './utils/observer/emit'\r\nimport subscribe from './utils/observer/on'\r\nimport unsubscribe from './utils/observer/off'\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  $emit(event, data) {\r\n    publish(event, data)\r\n    return this\r\n  }\r\n\r\n  $on(event, callback) {\r\n    subscribe(event, callback, this)\r\n    return this\r\n  }\r\n\r\n  $off(event, callback) {\r\n    unsubscribe(event, callback)\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'\n\n/**\n * 扩展对象\n * ========================================================================\n * @method extend\n * @param {Object} origin\n * @param {Object} source\n */\nconst extend = (origin, source) => {\n  const keys = Object.keys(source)\n\n  keys.forEach((prop) => {\n    if (hasOwn(source, prop)) {\n      origin[prop] = source[prop]\n    }\n  })\n}\n\nexport default extend\n","import _subscribers from './_subscribers'\nimport isFunction from '../types/isFunction'\nimport guid from '../lang/guid'\n\n/**\n * 订阅主题，并给出处理器函数\n * ========================================================================\n * @method on\n * @param {String} topic - （必须）主题名称\n * @param {Function} handler - （必须）主题的处理器函数\n * @param {Object} [context] - （可选）指定 this 执行上下文\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\n */\nconst on = (topic, handler, context = null) => {\n  const token = guid()\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\n\n  if (!isFunction(handler)) {\n    return ''\n  }\n\n  /* istanbul ignore else */\n  if (!_subscribers[subject]) {\n    _subscribers[subject] = []\n  }\n\n  _subscribers[subject].push({\n    topic: subject,\n    callback: handler,\n    context,\n    token\n  })\n\n  return token\n}\n\nexport default on\n","import isString from './utils/types/isString'\nimport isFunction from './utils/types/isFunction'\nimport isElement from './utils/types/isElement'\nimport timeSlice from './utils/lang/timeSlice'\nimport toTree from './utils/lang/toTree'\nimport later from './utils/lang/later'\nimport scrollTo from './utils/dom/scrollTo'\nimport _getScrollElement from './utils/dom/_getScrollElement'\nimport offsetTop from './utils/dom/offsetTop'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport stop from './utils/event/stop'\nimport paint from './utils/icons/paint'\n\nimport _updateHeading from './_updateHeading'\nimport _resetHeading from './_resetHeading'\nimport getChapters from './getChapters'\n\nimport Base from './base'\n\nclass Anchors extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = Anchors.DEFAULTS\n    this.$articleElement = null\n    this.$scrollElement = null\n    this.$headings = []\n    this.chapters = []\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    const showCode = this.attr('showCode') || true\n    let created\n    let scrollElement\n    let selector\n    let $articleElement\n    let articleElement\n\n    this.attr(options)\n    articleElement = this.attr('articleElement')\n    scrollElement = this.attr('scrollElement')\n    selector = this.attr('selector')\n    created = this.attr('created')\n\n    if (isString(articleElement)) {\n      $articleElement = document.querySelector(articleElement)\n    } else if (isElement(articleElement)) {\n      $articleElement = articleElement\n    }\n\n    if (!$articleElement) {\n      return this\n    }\n\n    this.$articleElement = $articleElement\n    this.$scrollElement = _getScrollElement(scrollElement)\n    this.$headings = [...$articleElement.querySelectorAll(selector)]\n\n    if (this.$headings.length < 1) {\n      return this\n    }\n\n    this.chapters = getChapters(\n      this.$headings,\n      showCode,\n      this.attr('chapterTextFilter')\n    )\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    this.render().addListeners()\n\n    return this\n  }\n\n  getChapters(isTreeStructured = false) {\n    const chapters = this.chapters\n    return isTreeStructured ? toTree(chapters, 'id', 'pid') : chapters\n  }\n\n  count() {\n    return this.chapters.length\n  }\n\n  render() {\n    const LIMIT = 400\n    const mounted = this.attr('mounted')\n    const hasAnchor = this.attr('hasAnchor')\n    const isAtStart = this.attr('isAtStart')\n    const showCode = this.attr('showCode')\n    const anchorURL = this.attr('anchorURL')\n    const count = this.count()\n    const $headings = [...this.$headings]\n    const chapters = this.getChapters()\n    const update = (headings, group) => {\n      headings.forEach(($heading, i) => {\n        const id = i + group * LIMIT\n        const chapterCode = chapters[id].code\n        _updateHeading($heading, id, {\n          hasAnchor,\n          isAtStart,\n          showCode,\n          chapterCode,\n          anchorURL\n        })\n      })\n    }\n    let groupIndex = -1\n\n    paint()\n\n    // 针对超长的文章，进行 timeSlice 处理\n    if (count > LIMIT) {\n      groupIndex += 1\n      // 同步绘制 Limit 以内的标题链接（可以确保 50ms 完成绘制）\n      update($headings.splice(0, LIMIT), 0)\n      // 采用 timeSlice 处理机制绘制剩余的标题\n      while ($headings.length > 0) {\n        const once = $headings.splice(0, LIMIT)\n        timeSlice(\n          () => {\n            update(once, (groupIndex += 1))\n          },\n          () => {\n            this.$emit('anchors:all:paint')\n          }\n        )\n      }\n    } else {\n      update($headings, 0)\n    }\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    return this\n  }\n\n  scrollTo(top, after) {\n    const el = this.$scrollElement\n\n    scrollTo(el, top, after)\n\n    return this\n  }\n\n  destroy() {\n    const hasAnchor = this.attr('hasAnchor')\n    const isAtStart = this.attr('isAtStart')\n    const beforeDestroy = this.attr('beforeDestroy')\n    const afterDestroy = this.attr('afterDestroy')\n    const $headings = this.$headings\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n    $headings.forEach(($heading) => {\n      _resetHeading($heading, hasAnchor, isAtStart)\n    })\n\n    this.attr(Anchors.DEFAULTS)\n    this.$articleElement = null\n    this.$scrollElement = null\n    this.$headings = []\n    this.chapters = []\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    return this\n  }\n\n  onAnchorTrigger(evt) {\n    const anchorURL = this.attr('anchorURL')\n    const afterScroll = this.attr('afterScroll')\n    const stickyHeight = this.attr('stickyHeight')\n    const $anchor = evt.delegateTarget\n    const $heading = $anchor.parentNode\n    const top = offsetTop($heading) - (stickyHeight + 10)\n    const $scrollElement = this.$scrollElement\n    const min = 0\n    const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\n    const after = () => {\n      if (isFunction(afterScroll)) {\n        afterScroll.call(this, 'anchor')\n      }\n\n      later(() => {\n        this.$emit('toolbar:update', {\n          top,\n          min,\n          max\n        })\n      })\n    }\n\n    this.scrollTo(top, after)\n\n    if (!anchorURL) {\n      stop(evt)\n    }\n\n    return this\n  }\n\n  addListeners() {\n    const $articleElement = this.$articleElement\n\n    on(\n      $articleElement,\n      '.outline-heading__anchor',\n      'click',\n      this.onAnchorTrigger,\n      this,\n      true\n    )\n\n    return this\n  }\n\n  removeListeners() {\n    const $articleElement = this.$articleElement\n\n    off($articleElement, 'click', this.onAnchorTrigger)\n\n    return this\n  }\n}\n\nAnchors.DEFAULTS = {\n  scrollElement: 'html,body',\n  articleElement: '#article',\n  selector: 'h1,h2,h3,h4,h5,h6',\n  stickyHeight: 0,\n  anchorURL: '',\n  hasAnchor: true,\n  isAtStart: true,\n  showCode: false,\n  created: null,\n  mounted: null,\n  afterScroll: null,\n  beforeDestroy: null,\n  afterDestroy: null,\n  chapterTextFilter: null\n}\n\nexport default Anchors\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'\nimport isFunction from '../types/isFunction'\nimport _getScrollElement from './_getScrollElement'\n\n/**\n * 指定 rootElement DOM 节点滚动到指定 top 位置\n * ========================================================================\n * @method scrollTo\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\n * @param {Number} top - （必须）滚动的 scrollTop 数值\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\n */\nconst scrollTo = (scrollElement, top, afterStop) => {\n  const $scrollElement = _getScrollElement(scrollElement)\n  let scrollTop = $scrollElement.scrollTop\n  let step = 0\n  const distance = top - scrollTop\n  const MAX_HEIGHT = $scrollElement.scrollHeight\n  const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\n  const stop = (top) => {\n    if (isFunction(afterStop)) {\n      afterStop(top)\n    }\n\n    return false\n  }\n  const play = () => {\n    step += 1\n\n    // 向上滚动\n    if (distance < 0) {\n      scrollTop -= easeInQuad(step)\n      $scrollElement.scrollTop = scrollTop\n\n      if (scrollTop <= top) {\n        $scrollElement.scrollTop = top\n        return stop(top)\n      }\n    } else {\n      scrollTop += easeInQuad(step)\n      $scrollElement.scrollTop = scrollTop\n\n      if (scrollTop >= MAX_TOP) {\n        $scrollElement.scrollTop = MAX_TOP\n        return stop(MAX_TOP)\n      }\n    }\n\n    requestAnimationFrame(play)\n  }\n\n  requestAnimationFrame(play)\n}\n\nexport default scrollTo\n","/**\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\n * ========================================================================\n * @method stop\n * @param {Event} evt - 事件对象\n *\n * @example\n * 
\n *   Service\n *   Help\n * 
\n *\n * const $nav = document.querySelector('#nav')\n * const $service = document.querySelector('.anchor')\n *\n * on($nav, 'click', function(evt) {\n *   console.log('你点击了导航栏')\n * })\n *\n * on($anchor, 'click', function(evt) {\n *   console.log('tagName', this.tagName)\n *\n *   // 工作台输出：'a'\n *   // 不会触发事件冒泡，输出：'你点击了导航栏'\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\n *   stopEvent(evt)\n * })\n */\nconst stop = function (evt) {\n  evt.stopPropagation()\n  evt.preventDefault()\n}\n\nexport default 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diff --git a/docs/js/chapters.min.js b/docs/js/chapters.min.js
new file mode 100644
index 00000000..b644cca6
--- /dev/null
+++ b/docs/js/chapters.min.js
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+//# sourceMappingURL=chapters.min.js.map
diff --git a/docs/js/chapters.min.js.map b/docs/js/chapters.min.js.map
new file mode 100644
index 00000000..96015c94
--- /dev/null
+++ b/docs/js/chapters.min.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"chapters.min.js","sources":["../../utils/types/isString.js","../../utils/lang/hasOwn.js","../../utils/lang/toString.js","../../utils/types/isFunction.js","../../utils/types/isObject.js","../../utils/observer/_subscribers.js","../../utils/observer/_hasDirectSubscribersFor.js","../../utils/observer/has.js","../../utils/observer/_hasSubscribers.js","../../utils/observer/emit.js","../../utils/types/isTypedArray.js","../../utils/lang/guid.js","../../utils/observer/_removeSubscriber.js","../../utils/observer/off.js","../../utils/observer/_removeSubscriberByToken.js","../../base.js","../../utils/lang/extend.js","../../utils/observer/on.js","../../utils/types/isElement.js","../../utils/lang/later.js","../../utils/event/enum.js","../../utils/event/_off.js","../../utils/event/_delete.js","../../utils/event/purgeElement.js","../../utils/event/getListeners.js","../../utils/event/off.js","../../utils/event/at.js","../../utils/dom/matches.js","../../utils/dom/getParentOrHost.js","../../utils/event/on.js","../../utils/event/getTarget.js","../../utils/dom/resolveTextNode.js","../../utils/dom/closest.js","../../utils/types/isArray.js","../../utils/types/isDOM.js","../../utils/types/isHTMLCollection.js","../../utils/types/isFragment.js","../../utils/types/isTextNode.js","../../utils/dom/createElement.js","../../utils/dom/setAttributes.js","../../utils/dom/setAttribute.js","../../utils/lang/easeInQuad.js","../../utils/dom/_getScrollElement.js","../../utils/dom/hasClass.js","../../utils/dom/addClass.js","../../utils/dom/removeClass.js","../../utils/lang/trim.js","../../utils/dom/offsetTop.js","../../utils/dom/getStyle.js","../../utils/dom/setProperty.js","../../utils/lang/cloneDeep.js","../../utils/lang/timeSlice.js","../../chapters.js","../../_paintChapters.js","../../utils/dom/scrollTo.js","../../utils/dom/intersection.js","../../utils/event/stop.js"],"sourcesContent":["/**\n * 检测数据是否为 String 类型\n * ========================================================================\n * @method isArray\n * @param {*} str\n * @returns {boolean}\n */\nconst isString = (str) => {\n  return typeof str === 'string'\n}\n\nexport default isString\n","/**\n * 检测对象自身属性中是否具有指定的属性。\n * ========================================================================\n * @method hasOwn\n * @param {Object} obj - （必须）检测的目标对象\n * @param {String} prop - （必须）属性名\n * @returns {Boolean}\n */\nconst hasOwn = (obj, prop) => {\n  const hasOwnProperty = Object.prototype.hasOwnProperty\n  return obj && hasOwnProperty.call(obj, prop)\n}\n\nexport default hasOwn\n","/**\n * Object 对象原型上的 toString 方法\n * ========================================================================\n * @method toString\n * @param {*} val\n * @returns {string}\n */\nconst toString = (val) => {\n  return Object.prototype.toString.apply(val)\n}\n\nexport default toString\n","import toString from '../lang/toString'\n\n/**\n * 检测测试数据是否为 Function 类型\n * ========================================================================\n * @method isFunction\n * @param {*} val - （必须）待检测的数据\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\n */\nconst isFunction = (val) => {\n  return typeof val === 'function' || toString(val) === '[object Function]'\n}\n\nexport default isFunction\n","import toString from '../lang/toString'\nimport isFunction from './isFunction'\n\n/**\n * 检测数据是否为 Object 类型\n * ========================================================================\n * @method isObject\n * @param {*} o\n * @returns {boolean}\n */\nconst isObject = (o) => {\n  return (\n    (toString(o) === '[object Object]' ||\n      typeof o === 'object' ||\n      isFunction(o)) &&\n    o !== null\n  )\n}\n\nexport default isObject\n","/**\n * 存储订阅者（主题和处理器的）私有对象\n * ========================================================================\n * @type {{}}\n * @private\n */\nconst _subscribers = {}\n\nexport default _subscribers\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\n * ========================================================================\n * @method _hasDirectSubscribersFor\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasDirectSubscribersFor = (topic) => {\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\n}\n\nexport default _hasDirectSubscribersFor\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\nimport _hasSubscribers from './_hasSubscribers'\n\n/**\n * 判断是否存在包含 topic 指定的订阅者信息\n * ========================================================================\n * @method has\n * @param {String} topic - （必须）主题名称\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\n * @returns {Boolean}\n */\nconst has = (topic, isDirect = true) => {\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\n}\n\nexport default has\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * 判断是否存在包含给定 topic 相关的订阅者信息\n * ========================================================================\n * @method _hasSubscribers\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasSubscribers = (topic) => {\n  let found = _hasDirectSubscribersFor(topic)\n  let position = topic.lastIndexOf('.')\n\n  while (!found && position !== -1) {\n    topic = topic.substring(0, position)\n    position = topic.lastIndexOf('.')\n    found = _hasDirectSubscribersFor(topic)\n  }\n\n  return found\n}\n\nexport default _hasSubscribers\n","import isTypedArray from '../types/isTypedArray'\nimport _subscribers from './_subscribers'\nimport has from './has'\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * （异步）发布订阅主题信息\n * ========================================================================\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。\n * ========================================================================\n * @method emit\n * @param {String} topic - （必须）主题名称\n * @param {Object} [data] - （可选）数据对象\n * @param {Boolean} [async] - (可选) 是否异步发布\n */\nconst emit = (topic, data, async = true) => {\n  const execute = (topic) => {\n    if (!_hasDirectSubscribersFor(topic)) {\n      return false\n    }\n\n    _subscribers[topic].forEach((subscriber) => {\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\n      // 采用 toString() 方法转化为普通（JSON）字符串\n      const message = isTypedArray(data) ? data.toString() : data\n\n      subscriber.callback.call(subscriber.context || subscriber, message)\n    })\n  }\n  const deliver = () => {\n    let subscriber = topic\n    let position = topic.lastIndexOf('.')\n\n    while (position !== -1) {\n      subscriber = subscriber.substring(0, position)\n      position = subscriber.lastIndexOf('.')\n\n      execute(subscriber)\n    }\n\n    // 执行 topic 对应的处理器\n    execute(topic)\n    // 执行特殊 topic：'*'（监听全部消息的发布）\n    execute('*')\n  }\n\n  if (!has(topic)) {\n    return false\n  }\n\n  if (async) {\n    setTimeout(deliver, 10)\n  } else {\n    deliver()\n  }\n}\n\nexport default emit\n","import toString from '../lang/toString'\n/**\n * 判断检测数据是否为 Typed Arrays 类型的数据\n * ========================================================================\n * @param {*} val\n * @returns {boolean}\n */\nconst isTypedArray = (val) => {\n  const TYPES = [\n    '[object Int8Array]',\n    '[object Uint8Array]',\n    '[object Uint8ClampedArray]',\n    '[object Int16Array]',\n    '[object Uint16Array]',\n    '[object Int32Array]',\n    '[object Uint32Array]',\n    '[object Float32Array]',\n    '[object Float64Array]',\n    '[object BigInt64Array]',\n    '[object BigUint64Array]'\n  ]\n\n  return TYPES.indexOf(toString(val)) > -1\n}\n\nexport default isTypedArray\n","/**\n * 生成唯一 id 字符串的函数\n * ========================================================================\n * @method guid\n * @param {String} [prefix] - 生成 id 的前缀字符串\n * @return {String} 返回一个表示唯一 id 的字符串\n */\nconst guid = (() => {\n  let uuid = 0\n\n  return (prefix) => {\n    uuid += 1\n\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\n  }\n})()\n\nexport default guid\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 删除与给定 topic 相同的订阅者信息\n * ========================================================================\n * @method _removeSubscriber\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _removeSubscriber = (topic) => {\n  if (!hasOwn(_subscribers, topic)) {\n    return false\n  }\n\n  delete _subscribers[topic]\n}\n\nexport default _removeSubscriber\n","import has from './has'\nimport _removeSubscriber from './_removeSubscriber'\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\n\n/**\n * 取消订阅主题\n * ========================================================================\n * @method off\n * @param {String} topic - （必须）订阅的主题\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\n */\nconst off = (topic, token) => {\n  if (!has(topic)) {\n    return false\n  }\n\n  if (token) {\n    _removeSubscriberByToken(token)\n  } else {\n    _removeSubscriber(topic)\n  }\n}\n\nexport default off\n","import _subscribers from './_subscribers'\nimport _removeSubscriber from './_removeSubscriber'\n\n/**\n * 通过订阅者 token 值删除订阅者信息\n * ========================================================================\n * @method _removeSubscriberByToken\n * @param {String} token - 订阅者 token 字符串\n * @returns {boolean}\n * @private\n */\nconst _removeSubscriberByToken = (token) => {\n  const keys = Object.keys(_subscribers)\n  let index = -1\n\n  if (!token || keys.length < 1) {\n    return false\n  }\n\n  keys.forEach((subject) => {\n    const subscriber = _subscribers[subject]\n    let topic\n\n    subscriber.forEach((execution, j) => {\n      if (execution.callback === token || execution.token === token) {\n        topic = execution.topic\n        subscriber.splice(index, j)\n      }\n    })\n\n    /* istanbul ignore else */\n    if (subscriber.length < 1) {\n      _removeSubscriber(topic)\n    }\n  })\n}\n\nexport default _removeSubscriberByToken\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\nimport publish from './utils/observer/emit'\r\nimport subscribe from './utils/observer/on'\r\nimport unsubscribe from './utils/observer/off'\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  $emit(event, data) {\r\n    publish(event, data)\r\n    return this\r\n  }\r\n\r\n  $on(event, callback) {\r\n    subscribe(event, callback, this)\r\n    return this\r\n  }\r\n\r\n  $off(event, callback) {\r\n    unsubscribe(event, callback)\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'\n\n/**\n * 扩展对象\n * ========================================================================\n * @method extend\n * @param {Object} origin\n * @param {Object} source\n */\nconst extend = (origin, source) => {\n  const keys = Object.keys(source)\n\n  keys.forEach((prop) => {\n    if (hasOwn(source, prop)) {\n      origin[prop] = source[prop]\n    }\n  })\n}\n\nexport default extend\n","import _subscribers from './_subscribers'\nimport isFunction from '../types/isFunction'\nimport guid from '../lang/guid'\n\n/**\n * 订阅主题，并给出处理器函数\n * ========================================================================\n * @method on\n * @param {String} topic - （必须）主题名称\n * @param {Function} handler - （必须）主题的处理器函数\n * @param {Object} [context] - （可选）指定 this 执行上下文\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\n */\nconst on = (topic, handler, context = null) => {\n  const token = guid()\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\n\n  if (!isFunction(handler)) {\n    return ''\n  }\n\n  /* istanbul ignore else */\n  if (!_subscribers[subject]) {\n    _subscribers[subject] = []\n  }\n\n  _subscribers[subject].push({\n    topic: subject,\n    callback: handler,\n    context,\n    token\n  })\n\n  return token\n}\n\nexport default on\n","import isObject from './isObject'\n\n/**\n * 检测数据是否为 HTMLElement DOM 节点\n * ========================================================================\n * @method isElement\n * @param {*} o\n * @returns {boolean}\n */\nconst isElement = (o) => {\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\n}\n\nexport default isElement\n","import isFunction from '../types/isFunction'\n\n/**\n * later - 延迟执行方法\n * ========================================================================\n * @method later\n * @param {Function} fn\n * @param {Number} [delay]\n * @returns {number|boolean}\n */\nconst later = (fn, delay = 300) => {\n  if (!isFunction(fn)) {\n    return false\n  }\n\n  return setTimeout(() => {\n    fn()\n  }, delay)\n}\n\nexport default later\n","export const CAPTURE_EVENTS = [\n  'focusout',\n  'blur',\n  'focusin',\n  'focus',\n  'load',\n  'unload',\n  'mouseenter',\n  'mouseleave'\n]\n","import { CAPTURE_EVENTS } from './enum'\nimport _delete from './_delete'\n\n/**\n * （私有方法）取消 type 类型的代理事件绑定\n * ========================================================================\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\n * ========================================================================\n * @method _off\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} fn - （必须）事件处理器回调函数\n * @private\n */\nconst _off = (el, type, fn) => {\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n  /* istanbul ignore else */\n  if (fn._delegateListener) {\n    fn = fn._delegateListener\n    delete fn._delegateListener\n  }\n\n  // 移除缓存的 _listeners 数据\n  _delete(el, type, fn)\n\n  el.removeEventListener(type, fn, capture)\n}\n\nexport default _off\n","/**\n * 删除 DOM 元素缓存的 _listeners 数据\n * ========================================================================\n * @method _delete\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\n * @param {String} type - 事件类型（名称）\n * @param {Function} [fn] - 事件处理器回调函数\n */\nconst _delete = function (el, type, fn) {\n  const listeners = el._listeners\n  let index = -1\n\n  if (listeners.length < 1) {\n    return false\n  }\n\n  // 移除缓存的 _listeners 数据\n  listeners.forEach((listener, i) => {\n    const handler = listener.fn\n\n    if (type === listener.type) {\n      index = i\n\n      if (handler === fn) {\n        index = i\n      }\n    }\n  })\n\n  /* istanbul ignore else */\n  if (index > -1) {\n    listeners.splice(index, 1)\n  }\n}\n\nexport default _delete\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\nimport getListeners from './getListeners'\nimport _off from './_off'\n\n/**\n * 销毁（type 类型的）代理事件绑定\n * ========================================================================\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\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\n * ========================================================================\n * @method purgeElement\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\n * @param {String|Boolean} type - （必须）事件类型\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\n */\nconst purgeElement = function (el, type, recurse = false) {\n  const $element = isString(el) ? document.querySelector(el) : el\n  const $children = $element.childNodes\n  const listeners = getListeners($element, type)\n\n  listeners.forEach((listener) => {\n    _off($element, listener.type, listener.fn)\n  })\n\n  if (\n    (recurse || type === true || arguments.length === 1) &&\n    $element &&\n    $children\n  ) {\n    $children.forEach(($child) => {\n      if (isElement($child)) {\n        purgeElement($child, type, recurse)\n      }\n    })\n  }\n}\n\nexport default purgeElement\n","import isString from '../types/isString'\n\n/**\n * 获取 DOM 元素（type 事件类型）事件绑定信息\n * ========================================================================\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\n * ========================================================================\n * @methods getListeners\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\n * @param {String} [type] - （可选）事件类型\n * @returns {Array} - 已绑定的事件信息\n */\nconst getListeners = (el, type) => {\n  let listeners = el._listeners || []\n\n  if (isString(type) && type) {\n    listeners = listeners.filter((listener) => {\n      return listener.type === type\n    })\n  }\n\n  return listeners\n}\n\nexport default getListeners\n","import purgeElement from './purgeElement'\nimport isFunction from '../types/isFunction'\nimport _off from './_off'\n\n/**\n * 取消 type 类型的代理事件绑定\n * ========================================================================\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\n * ========================================================================\n * @method off\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} [fn] - （可选）事件处理器回调函数\n */\nconst off = (el, type, fn) => {\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\n  if (!isFunction(fn)) {\n    return purgeElement(el, type)\n  }\n\n  _off(el, type, fn)\n}\n\nexport default off\n","import isFunction from '../types/isFunction'\nimport off from './off'\n\nimport { CAPTURE_EVENTS } from './enum'\n\n/**\n * 绑定事件\n * ========================================================================\n * @method at\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\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\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，\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\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\n * @param {Boolean} once - （可选）是否仅触发一次\n */\nconst at = (el, type, fn, data, context, once = false) => {\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n  const listener = function (evt) {\n    let overrideContext = context || el\n\n    // 当设置为 true 时，则事件处理器回调函数的\n    // this 上下文指向为 data 对象\n    if (context === true) {\n      overrideContext = data\n    }\n\n    // 仅触发一次\n    /* istanbul ignore else */\n    if (once === true) {\n      off(el, type, listener)\n    }\n\n    fn.call(overrideContext, evt, data)\n  }\n\n  if (!isFunction(fn)) {\n    return false\n  }\n\n  if (!el._listeners) {\n    el._listeners = []\n  }\n\n  // 缓存 options 元素绑定的事件处理器\n  el._listeners.push({\n    el,\n    type,\n    fn: listener,\n    data,\n    context,\n    capture\n  })\n\n  // 缓存包装后的事件处理器\n  fn._delegateListener = listener\n\n  el.addEventListener(type, listener, capture)\n}\n\nexport default at\n","/**\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\n * ========================================================================\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\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\n * 标 DOM 元素是否为事件代理所期望触发的目标。\n * ========================================================================\n * @method matches\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\n * @returns {Boolean}\n */\nconst matches = (el, selector = '') => {\n  const sel = selector.replace(/^>/i, '')\n\n  if (!selector || !sel || !el) {\n    return false\n  }\n\n  /* istanbul ignore else */\n  if (el.matches) {\n    return el.matches(sel)\n  } else if (el.msMatchesSelector) {\n    return el.msMatchesSelector(sel)\n  } else {\n    return false\n  }\n}\n\nexport default matches\n","/**\n * 获取 DOM 元素的父节点\n * ========================================================================\n * @method getParentOrHost\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\n * @returns {*|HTMLElement}\n */\nconst getParentOrHost = (el) => {\n  return el.host && el !== document && el.host.nodeType\n    ? el.host\n    : el.parentNode\n}\n\nexport default getParentOrHost\n","import closest from '../dom/closest'\nimport off from './off'\nimport getTarget from './getTarget'\n\nimport { CAPTURE_EVENTS } from './enum'\n\n/**\n * 绑定代理事件\n * ========================================================================\n * @method on\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\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\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，\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\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\n * @param {Boolean} once - （可选）是否仅触发一次\n */\nconst on = (el, selector, type, fn, data, context, once = false) => {\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n  const listener = function (evt) {\n    const target = getTarget(evt)\n    // 通过 Element.matches 方法获得点击的目标元素\n    const delegateTarget = closest(target, selector, el)\n    let overrideContext = context || el\n\n    evt.delegateTarget = delegateTarget\n\n    // 当设置为 true 时，则事件处理器回调函数的\n    // this 上下文指向为 data 对象\n    if (context === true) {\n      overrideContext = data\n    }\n\n    /* istanbul ignore else */\n    if (delegateTarget) {\n      // 仅触发一次\n      /* istanbul ignore else */\n      if (once === true) {\n        off(el, type, listener)\n      }\n\n      fn.call(overrideContext, evt, data)\n    }\n  }\n\n  if (!el._listeners) {\n    el._listeners = []\n  }\n\n  // 缓存 options 元素绑定的事件处理器\n  el._listeners.push({\n    el,\n    selector,\n    type,\n    fn: listener,\n    data,\n    context,\n    capture\n  })\n\n  // 缓存包装后的事件处理器\n  fn._delegateListener = listener\n\n  el.addEventListener(type, listener, capture)\n}\n\nexport default on\n","import resolveTextNode from '../dom/resolveTextNode'\n\n/**\n * 返回触发事件的 target DOM 元素\n * ========================================================================\n * @method getTarget\n * @param {Event} evt - Event 对象\n * @return {HTMLElement} - Event 对象的 target DOM 元素\n */\nconst getTarget = function (evt) {\n  const target = evt.target\n\n  return resolveTextNode(target)\n}\n\nexport default getTarget\n","/**\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。\n * resolveTextNode() 方法则会返回实际的目标节点。\n * ========================================================================\n * @method resolveTextNode\n * @param {HTMLElement|Text} el - 要解析的节点\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\n */\nconst resolveTextNode = function (el) {\n  if (el && el.nodeType === 3) {\n    return el.parentNode\n  }\n\n  return el\n}\n\nexport default resolveTextNode\n","import matches from './matches'\nimport getParentOrHost from './getParentOrHost'\n\n/**\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\n * ========================================================================\n * @method closest\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）DOM 元素的选择其\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\n */\nconst closest = (el, selector, ctx, includeCTX) => {\n  const context = ctx || document\n\n  if (!el) {\n    return null\n  }\n\n  do {\n    /* istanbul ignore else */\n    if (\n      (selector != null &&\n        (selector.startsWith('>')\n          ? el.parentNode === context && matches(el, selector)\n          : matches(el, selector))) ||\n      (includeCTX && el === context)\n    ) {\n      return el\n    }\n\n    /* istanbul ignore else */\n    if (el === context) {\n      break\n    }\n\n    /* jshint boss:true */\n  } while ((el = getParentOrHost(el)))\n}\n\nexport default closest\n","import toString from '../lang/toString'\n\n/**\n * 检测数据是否为 Array 类型\n * ========================================================================\n * @method isArray\n * @param {*} o\n * @returns {boolean}\n */\nconst isArray = (o) => {\n  if (Array.isArray) {\n    return Array.isArray(o)\n  } else {\n    return toString(o) === '[object Array]'\n  }\n}\n\nexport default isArray\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'\nimport isObject from './isObject'\n\nconst isFragment = (fragment) => {\n  return !!(\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\n  )\n}\n\nexport default isFragment\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 isObject from '../types/isObject'\nimport isString from '../types/isString'\nimport isArray from '../types/isArray'\nimport isDOM from '../types/isDOM'\nimport setAttributes from './setAttributes'\n\n/**\n * 创建 DOM 节点，并添加属性和子节点\n * ========================================================================\n * @method createElement\n * @param {String} tagName - 标签名称\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\n * @returns {HTMLElement}\n */\nconst createElement = (tagName, attrs, children) => {\n  const $fragment = document.createDocumentFragment()\n  const $el = document.createElement(tagName)\n  const isValidChild = (child) => {\n    return isDOM(child) || isString(child)\n  }\n  const append = (child) => {\n    let $child\n\n    if (!isValidChild(child)) {\n      return false\n    }\n\n    if (isDOM(child)) {\n      $child = child\n    } else if (isString(child)) {\n      $child = document.createTextNode(child)\n    }\n\n    $fragment.appendChild($child)\n  }\n\n  if (isObject(attrs)) {\n    setAttributes($el, attrs)\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\n    attrs.forEach((child) => {\n      append(child)\n    })\n  } else if (isDOM(attrs)) {\n    append(attrs)\n  } else if (isString(attrs)) {\n    append(document.createTextNode(attrs))\n  }\n\n  if (isArray(children)) {\n    children.forEach((child) => {\n      append(child)\n    })\n  } else {\n    append(children)\n  }\n\n  $el.appendChild($fragment)\n\n  return $el\n}\n\nexport default createElement\n","import isObject from '../types/isObject'\nimport hasOwn from '../lang/hasOwn'\nimport setAttribute from './setAttribute'\n\nconst setAttributes = (el, attrs) => {\n  if (!el || !isObject(attrs)) {\n    return false\n  }\n\n  Object.keys(attrs).forEach((attr) => {\n    const value = attrs[attr]\n    if (hasOwn(attrs, attr)) {\n      setAttribute(el, attr, value)\n    }\n  })\n}\n\nexport default setAttributes\n","/**\n * 给 DOM 节点设置属性/值\n * ========================================================================\n * @method setAttribute\n * @param {HTMLElement} el - DOM 节点\n * @param {String} attr - 属性名称\n * @param {String|Number|Boolean} value - 属性值\n */\nconst setAttribute = (el, attr, value) => {\n  let tagName = el.tagName.toLowerCase()\n\n  switch (attr) {\n    case 'style':\n      el.style.cssText = value\n      break\n    case 'value':\n      if (tagName === 'input' || tagName === 'textarea') {\n        el.value = value\n      } else {\n        el.setAttribute(attr, value)\n      }\n      break\n    case 'htmlFor':\n      el.setAttribute('for', value)\n      break\n    case 'className':\n      el.className = value\n      break\n    case 'innerHTML':\n      el.innerHTML = value\n      break\n    case 'innerText':\n      el.innerText = value\n      break\n    default:\n      el.setAttribute(attr, value)\n      break\n  }\n}\n\nexport default setAttribute\n","/**\n * 返回给定值的平方值\n * ========================================================================\n * @method easeInQuad\n * @param {Number} x\n * @returns {number}\n */\nconst easeInQuad = (x) => {\n  return x * x\n}\n\nexport default easeInQuad\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\n\n/**\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\n * ========================================================================\n * @method _getScrollElement\n * @param {String|HTMLElement} scrollElement\n * @returns {Element}\n * @private\n */\nconst _getScrollElement = (scrollElement = null) => {\n  let $rootElements\n  let $scrollElement\n\n  if (!scrollElement) {\n    $rootElements = document.querySelectorAll('html,body')\n    $scrollElement =\n      $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\n        ? $rootElements[0]\n        : $rootElements[1]\n  } else {\n    if (isString(scrollElement)) {\n      $scrollElement = document.querySelector(scrollElement)\n    } else if (isElement(scrollElement)) {\n      $scrollElement = scrollElement\n    }\n  }\n\n  return $scrollElement\n}\n\nexport default _getScrollElement\n","import isElement from '../types/isElement'\n/**\n * 检测 DOM 节点是否包含名为 className 的样式\n * ========================================================================\n * @method hasClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst hasClass = (el, className) => {\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\n  let allClass\n  let classList\n\n  if (!isElement(el)) {\n    return false\n  }\n\n  allClass = el.className\n\n  if (!allClass) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.contains) {\n    return el.classList.contains(className)\n  }\n\n  return !!pattern.exec(allClass)\n}\n\nexport default hasClass\n","import hasClass from './hasClass'\n\n/**\n * 给 DOM 节点添加名为 className 的样式\n * ========================================================================\n * @method addClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst addClass = (el, className) => {\n  let classList\n  let allClass\n\n  if (hasClass(el, className)) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.add) {\n    classList.add(className)\n  } else {\n    allClass = el.className\n    allClass += allClass.length > 0 ? ' ' + className : className\n    el.className = allClass\n  }\n}\n\nexport default addClass\n","import trim from '../lang/trim'\nimport hasClass from './hasClass'\n\n/**\n * 移除 DOM 节点的 className 样式\n * ========================================================================\n * @method removeClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst removeClass = (el, className) => {\n  let allClass = el.className\n  let classList\n\n  if (!allClass || !hasClass(el, className)) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.remove) {\n    classList.remove(className)\n  } else {\n    allClass = trim(allClass.replace(className, ''))\n    el.className = allClass\n  }\n}\n\nexport default removeClass\n","import isString from '../types/isString'\n\n/**\n * 清楚字符串起始位置所有的空格\n * ========================================================================\n * @method trim\n * @param {string} str\n * @returns {string|Boolean}\n */\nconst trim = (str) => {\n  if (!isString(str)) {\n    return false\n  }\n  return str.replace(/(^\\s+)|(\\s+$)/g, '')\n}\n\nexport default trim\n","/**\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\n * ========================================================================\n * @method offsetTop\n * @param {HTMLElement} el - DOM 节点\n * @returns {Number}\n */\nconst offsetTop = (el) => {\n  let top = el.offsetTop\n\n  if (el.offsetParent !== null) {\n    top += offsetTop(el.offsetParent)\n  }\n\n  return top\n}\n\nexport default offsetTop\n","/**\r\n * 获取HTML元素的某个CSS样式值\r\n * ====================================================\r\n * @param el\r\n * @param ruleName\r\n * @returns {*}\r\n */\r\nconst getStyle = (el, ruleName) => {\r\n  return getComputedStyle(el)[ruleName]\r\n}\r\n\r\nexport default getStyle\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 isObject from '../types/isObject'\r\nimport isArray from '../types/isArray'\r\n\r\n/**\r\n * 深拷贝对象函数\r\n * ========================================================================\r\n * @methods cloneDeep\r\n * @param {Object} obj - 深拷贝的对象\r\n * @returns {Array|Object|*}\r\n *\r\n * @example\r\n * const arr = cloneDeep([2,3,4,6])\r\n * => [2,3,4,6]\r\n */\r\nconst cloneDeep = (obj) => {\r\n  let clone = {}\r\n\r\n  if (obj === null) {\r\n    return null\r\n  }\r\n\r\n  if (isArray(obj)) {\r\n    clone = Array.from(obj)\r\n  } else {\r\n    clone = Object.assign({}, obj)\r\n    Object.keys(clone).forEach((key) => {\r\n      return (clone[key] = isObject(obj[key]) ? cloneDeep(obj[key]) : obj[key])\r\n    })\r\n  }\r\n\r\n  return clone\r\n}\r\n\r\nexport default cloneDeep\r\n","/**\n * timeSlice.js 时间切片功能函数\n * ====================================================\n * Created By: Yaohaixiao\n * Update: 2023.09.04\n */\nimport isFunction from '../types/isFunction'\nimport later from './later'\n\nconst queue = []\nlet isHandling\nlet done\n\n// Shim from https://developers.google.com/web/updates/2015/08/using-requestidlecallback\nif (typeof window.requestIdleCallback === 'undefined') {\n  window.requestIdleCallback = function (cb) {\n    const start = Date.now()\n    return later(function () {\n      cb({\n        didTimeout: false,\n        timeRemaining: function () {\n          return Math.max(0, 50 - (Date.now() - start))\n        }\n      })\n    }, 10)\n  }\n\n  window.cancelIdleCallback = function (id) {\n    clearTimeout(id)\n  }\n}\n\nfunction runIdle(idleDeadline) {\n  while (idleDeadline.timeRemaining() > 0 && queue.length) {\n    const fn = queue.shift()\n\n    if (!isFunction(fn)) {\n      return false\n    }\n\n    fn()\n  }\n\n  if (queue.length) {\n    isHandling = requestIdleCallback(runIdle)\n  } else {\n    isHandling = 0\n\n    if (isFunction(done)) {\n      done()\n      done = null\n    }\n  }\n}\n\n/**\n * 时间切片功能函数：主要用于优化长时任务的性能，将长时任务分解成\n * 多个短时间任务\n * ====================================================\n * @param {Function} fn - 需要在空闲时执行的回调函数\n * @param {Function} afterComplete - queen 的\n * @return {(function(): (boolean|undefined))|*|boolean}\n */\nconst timeSlice = (fn, afterComplete = null) => {\n  queue.push(fn)\n\n  if (isFunction(afterComplete)) {\n    done = afterComplete\n  }\n\n  if (!isHandling) {\n    requestIdleCallback(runIdle)\n  }\n}\n\nexport default timeSlice\n","import Base from './base'\n\nimport isString from './utils/types/isString'\nimport isFunction from './utils/types/isFunction'\nimport isElement from './utils/types/isElement'\nimport later from './utils/lang/later'\nimport at from './utils/event/at'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport stop from './utils/event/stop'\nimport createElement from './utils/dom/createElement'\nimport scrollTo from './utils/dom/scrollTo'\nimport addClass from './utils/dom/addClass'\nimport intersection from './utils/dom/intersection'\nimport removeClass from './utils/dom/removeClass'\nimport offsetTop from './utils/dom/offsetTop'\nimport getStyle from './utils/dom/getStyle'\nimport setProperty from './utils/dom/setProperty'\nimport _getScrollElement from './utils/dom/_getScrollElement'\nimport cloneDeep from './utils/lang/cloneDeep'\n\nimport _paintChapters from './_paintChapters'\n\nclass Chapters extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Chapters.DEFAULTS)\n\n    this._reset()\n\n    this.offsetWidth = 0\n    this.playing = false\n    this.scrollTimer = null\n    this.resizeTimer = null\n    this.Observer = null\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  _reset() {\n    this.$el = null\n    this.$title = null\n    this.$main = null\n    this.$list = null\n    this.$placeholder = null\n    this.$parentElement = null\n    this.$scrollElement = null\n    this.$active = null\n\n    this.chapters = []\n    this.active = 0\n    this.offsetTop = 0\n    this.closed = false\n\n    return this\n  }\n\n  initialize(options) {\n    let created\n    let parentElement\n    let scrollElement\n    let $parent\n\n    this.attr(options)\n    created = this.attr('created')\n    parentElement = this.attr('parentElement')\n    scrollElement = this.attr('scrollElement')\n\n    if (isString(parentElement)) {\n      $parent = document.querySelector(parentElement)\n    } else if (isElement(parentElement)) {\n      $parent = parentElement\n    }\n    this.$parentElement = $parent\n    this.$scrollElement = _getScrollElement(scrollElement)\n\n    this.chapters = this.attr('chapters')\n    this.closed = this.attr('closed')\n    this.active = this.attr('active')\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    if (this.chapters.length < 1) {\n      return this\n    }\n\n    this.render().addListeners()\n\n    this.$active = document.querySelector(`#chapter-${this.active}`)\n\n    return this\n  }\n\n  isClosed() {\n    return this.closed\n  }\n\n  isSticky() {\n    const position = this.attr('position')\n    return position === 'sticky'\n  }\n\n  isFixed() {\n    const position = this.attr('position')\n    return position === 'fixed'\n  }\n\n  isInside() {\n    return this.isFixed() || this.isSticky()\n  }\n\n  isOutside() {\n    return !this.isInside()\n  }\n\n  count() {\n    return this.chapters.length\n  }\n\n  _paintEdge() {\n    const $fragment = document.createDocumentFragment()\n    const STICKY = 'outline-chapters_sticky'\n    const HIDDEN = 'outline-chapters_hidden'\n    const title = this.attr('title')\n    const animationCurrent = this.attr('animationCurrent')\n    const customClass = this.attr('customClass')\n    const $parentElement = this.$parentElement\n    const children = []\n    const contents = []\n    let $title = null\n    let $el\n    let $main\n    let $list\n    let $placeholder\n\n    if (!$parentElement) {\n      return this\n    }\n\n    if (this.isInside() && title) {\n      $title = createElement(\n        'h2',\n        {\n          className: 'outline-chapters__title'\n        },\n        title\n      )\n      this.$title = $title\n      contents.push($title)\n    }\n\n    $list = createElement('ul', {\n      // 为优化性能，添加了 _fixed 和 _hidden\n      // fixed 为了让 $list 脱离流布局\n      // hidden 让 $list 不可见\n      className: `outline-chapters__list`\n    })\n    this.$list = $list\n    children.push($list)\n\n    if (animationCurrent) {\n      $placeholder = createElement('div', {\n        className: 'outline-chapters__placeholder'\n      })\n      this.$placeholder = $placeholder\n      children.push($placeholder)\n    }\n\n    $main = createElement(\n      'div',\n      {\n        className: 'outline-chapters__main'\n      },\n      children\n    )\n    this.$main = $main\n    contents.push($main)\n\n    $el = createElement(\n      'nav',\n      {\n        id: 'outline-chapters',\n        className: `outline-chapters ${HIDDEN}`\n      },\n      contents\n    )\n    this.$el = $el\n\n    if (this.isSticky()) {\n      this.calculateStickyHeight()\n      addClass($el, STICKY)\n    }\n\n    if (customClass) {\n      addClass($el, customClass)\n    }\n    $fragment.appendChild($el)\n    $parentElement.appendChild($fragment)\n\n    return this\n  }\n\n  render() {\n    const HIDDEN = 'outline-chapters_hidden'\n    const showCode = this.attr('showCode')\n    const mounted = this.attr('mounted')\n    const $parentElement = this.$parentElement\n    const chapters = this.chapters\n    const count = this.count()\n    let $el\n    let $list\n\n    if (!$parentElement || chapters.length < 1) {\n      return this\n    }\n\n    if (this.isInside()) {\n      addClass($parentElement, 'outline-chapters-parent')\n    }\n\n    this._paintEdge()\n\n    $el = this.$el\n    $list = this.$list\n    _paintChapters($list, chapters, showCode)\n    removeClass($el, HIDDEN)\n\n    later(() => {\n      this.highlight(this.active)\n    }, 60)\n\n    this.offsetTop = offsetTop($el)\n    this.offsetWidth = $el.offsetWidth\n\n    if (this.isFixed()) {\n      this.sticky()\n      setProperty('--outline-chapters-width', `${this.offsetWidth}px`)\n    }\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    if (count < 400) {\n      this.onObserver()\n    }\n\n    return this\n  }\n\n  positionPlaceholder(index) {\n    const $main = this.$main\n    const $list = this.$list\n    const $placeholder = this.$placeholder\n    const $anchor = $list.querySelector('.outline-chapters__anchor')\n    const animationCurrent = this.attr('animationCurrent')\n    const mainPaddingTop = parseInt(getStyle($main, 'padding-top'), 10)\n    const mainBorderTop = parseInt(getStyle($main, 'border-top-width'), 10)\n    const placeholderPaddingTop = parseInt(getStyle($list, 'padding-top'), 10)\n    const placeholderMarginTop = parseInt(getStyle($list, 'margin-top'), 10)\n    const placeholderBorderTop = parseInt(\n      getStyle($list, 'border-top-width'),\n      10\n    )\n    let height = $anchor.offsetHeight\n    let offsetTop = 0\n    let top\n\n    if (!animationCurrent) {\n      return this\n    }\n\n    if (mainPaddingTop) {\n      offsetTop += mainPaddingTop\n    }\n\n    if (placeholderPaddingTop) {\n      offsetTop += placeholderPaddingTop\n    }\n\n    if (placeholderMarginTop) {\n      offsetTop += placeholderMarginTop\n    }\n\n    if (mainBorderTop) {\n      offsetTop += mainBorderTop\n    }\n\n    if (placeholderBorderTop) {\n      offsetTop += placeholderBorderTop\n    }\n\n    top = height * index\n    $placeholder.style.cssText = `transform: translateY(${\n      offsetTop + top\n    }px);height:${height}px;`\n\n    return this\n  }\n\n  highlight(id) {\n    const animationCurrent = this.attr('animationCurrent')\n    const $anchor = this.$el.querySelector(`#chapter__anchor-${id}`)\n    const ACTIVE = 'outline-chapters_active'\n    const HIGHLIGHT = 'outline-chapters_highlight'\n\n    if (!$anchor) {\n      return this\n    }\n\n    this.active = parseInt($anchor.getAttribute('data-id'), 10)\n\n    if (this.$active) {\n      removeClass(this.$active, HIGHLIGHT)\n      removeClass(this.$active, ACTIVE)\n    }\n\n    this.$active = $anchor\n    addClass(this.$active, ACTIVE)\n\n    if (animationCurrent) {\n      this.positionPlaceholder(this.active)\n    } else {\n      addClass(this.$active, HIGHLIGHT)\n    }\n\n    return this\n  }\n\n  sticky() {\n    const afterSticky = this.attr('afterSticky')\n    const FIXED = 'outline-chapters_fixed'\n    const $el = this.$el\n    const top = this.offsetTop\n    const scrollTop = this.$scrollElement.scrollTop\n    let isStickying\n\n    if (!this.isFixed()) {\n      return this\n    }\n\n    isStickying = scrollTop >= top\n\n    if (isStickying) {\n      addClass($el, FIXED)\n    } else {\n      removeClass($el, FIXED)\n    }\n\n    if (isFunction(afterSticky)) {\n      afterSticky.call(this, this.isClosed(), isStickying)\n    }\n\n    return this\n  }\n\n  calculateStickyHeight() {\n    const documentElement = document.documentElement\n    const height = Math.max(\n      documentElement.clientHeight || 0,\n      window.innerHeight || 0\n    )\n    setProperty('--outline-sticky-height', `${height}px`)\n    return this\n  }\n\n  scrollTo(top, after) {\n    const el = this.$scrollElement\n\n    scrollTo(el, top, after)\n\n    return this\n  }\n\n  show() {\n    const FOLDED = 'outline-chapters_folded'\n    const HIDDEN = 'outline-chapters_hidden'\n    const opened = this.attr('afterOpened')\n    const count = this.count()\n    const $el = this.$el\n    const $parent = this.$parentElement\n\n    if (this.isInside()) {\n      if (count > 800) {\n        removeClass($parent, HIDDEN)\n      } else {\n        removeClass($parent, HIDDEN)\n        later(() => {\n          removeClass($parent, FOLDED)\n        }, 30)\n      }\n    } else {\n      removeClass($el, HIDDEN)\n    }\n    this.closed = false\n\n    if (isFunction(opened)) {\n      opened.call(this)\n    }\n\n    return this\n  }\n\n  hide() {\n    const FOLDED = 'outline-chapters_folded'\n    const HIDDEN = 'outline-chapters_hidden'\n    const closed = this.attr('afterClosed')\n    const count = this.count()\n    const $el = this.$el\n    const $parent = this.$parentElement\n\n    if (this.isInside()) {\n      if (count > 800) {\n        addClass($parent, HIDDEN)\n      } else {\n        addClass($parent, FOLDED)\n        later(() => {\n          addClass($parent, HIDDEN)\n        })\n      }\n    } else {\n      addClass($el, HIDDEN)\n    }\n    this.closed = true\n\n    if (isFunction(closed)) {\n      closed.call(this)\n    }\n\n    return this\n  }\n\n  toggle() {\n    const afterToggle = this.attr('afterToggle')\n    const top = this.offsetTop\n    const scrollTop = this.$scrollElement.scrollTop\n    let isStickying\n\n    if (this.isClosed()) {\n      this.show()\n    } else {\n      this.hide()\n    }\n\n    if (isFunction(afterToggle)) {\n      later(() => {\n        isStickying = scrollTop >= top\n        afterToggle.call(this, this.isClosed(), isStickying)\n      })\n    }\n\n    return this\n  }\n\n  destroy() {\n    const beforeDestroy = this.attr('beforeDestroy')\n    const afterDestroy = this.attr('afterDestroy')\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n    this.$parentElement.removeChild(this.$el)\n\n    this.attr(Chapters.DEFAULTS)._reset()\n\n    if (this.scrollTimer) {\n      clearTimeout(this.scrollTimer)\n      this.scrollTimer = null\n    }\n\n    if (this.resizeTimer) {\n      clearTimeout(this.resizeTimer)\n      this.resizeTimer = null\n    }\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    if (this.Observer) {\n      this.Observer = null\n    }\n\n    return this\n  }\n\n  onObserver() {\n    const selector = this.attr('selector')\n    let timer = null\n\n    this.Observer = intersection(\n      ($heading) => {\n        const id = $heading.getAttribute('data-id')\n\n        if (this.playing) {\n          return false\n        }\n\n        if (timer) {\n          clearTimeout(timer)\n        }\n\n        timer = later(() => {\n          this.highlight(id)\n        }, 100)\n      },\n      {\n        selector,\n        context: this\n      }\n    )\n\n    return this\n  }\n\n  onSelect(evt) {\n    const stickyHeight = this.attr('stickyHeight')\n    const $anchor = evt.delegateTarget\n    const id = $anchor.getAttribute('data-id')\n    const headingId = $anchor.href.split('#')[1]\n    const $heading = document.querySelector(`#${headingId}`)\n    const top = offsetTop($heading) - (stickyHeight + 10)\n    const min = 0\n    const max = this.$scrollElement.scrollHeight\n    const afterScroll = this.attr('afterScroll')\n    const after = () => {\n      if (isFunction(afterScroll)) {\n        afterScroll.call(this, 'chapter')\n      }\n\n      later(() => {\n        this.playing = false\n        this.$emit('toolbar:update', {\n          top,\n          min,\n          max\n        })\n      })\n    }\n\n    this.playing = true\n    if (this.isFixed()) {\n      this.sticky()\n      later(() => {\n        this.scrollTo(top, after)\n        this.highlight(id)\n      }, 10)\n    } else {\n      this.scrollTo(top, after)\n      this.highlight(id)\n    }\n\n    stop(evt)\n\n    return this\n  }\n\n  onScroll() {\n    const $scrollElement = this.$scrollElement\n\n    if (this.scrollTimer) {\n      clearTimeout(this.scrollTimer)\n    }\n\n    this.scrollTimer = later(() => {\n      const top = $scrollElement.scrollTop\n      const min = 0\n      const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\n\n      if (this.isFixed()) {\n        this.sticky()\n      }\n\n      this.$emit('toolbar:update', {\n        top,\n        min,\n        max\n      })\n    }, 100)\n\n    return this\n  }\n\n  onResize() {\n    if (this.resizeTimer) {\n      clearTimeout(this.resizeTimer)\n    }\n\n    this.resizeTimer = later(() => {\n      this.calculateStickyHeight()\n    })\n\n    return this\n  }\n\n  addListeners() {\n    const $el = this.$el\n    const $scrollElement = this.$scrollElement\n    const tagName = $scrollElement.tagName.toLowerCase()\n    let $element = $scrollElement\n\n    if (tagName === 'html' || tagName === 'body') {\n      $element = window\n    }\n\n    on($el, '.outline-chapters__anchor', 'click', this.onSelect, this, true)\n    at($element, 'scroll', this.onScroll, this, true)\n    if (this.isSticky()) {\n      at(window, 'resize', this.onResize, this, true)\n    }\n    this.$on('anchors:all:paint', this.onObserver, this)\n\n    return this\n  }\n\n  removeListeners() {\n    const selector = this.attr('selector')\n    const $el = this.$el\n    const $scrollElement = this.$scrollElement\n    const tagName = $scrollElement.tagName.toLowerCase()\n    let $element = $scrollElement\n\n    if (tagName === 'html' || tagName === 'body') {\n      $element = window\n    }\n\n    off($el, 'click', this.onSelect)\n    off($element, 'scroll', this.onScroll)\n\n    if (this.isSticky()) {\n      at(window, 'resize', this.onResize)\n    }\n\n    this.$off('anchors:all:paint')\n\n    if (this.Observer) {\n      document.querySelectorAll(selector).forEach((section) => {\n        this.Observer.unobserve(section)\n      })\n    }\n\n    return this\n  }\n}\n\nChapters.DEFAULTS = {\n  parentElement: '',\n  scrollElement: '',\n  selector: '.outline-heading',\n  active: 0,\n  closed: false,\n  showCode: true,\n  animationCurrent: true,\n  position: 'relative',\n  stickyHeight: 0,\n  chapters: [],\n  created: null,\n  mounted: null,\n  afterClosed: null,\n  afterOpened: null,\n  afterScroll: null,\n  beforeDestroy: null,\n  afterDestroy: null,\n  afterSticky: null\n}\n\nexport default Chapters\n","import createElement from './utils/dom/createElement'\nimport timeSlice from './utils/lang/timeSlice'\n\nconst _paintChapters = ($list, chapters, showCode = false) => {\n  const LIMIT = 400\n  const count = chapters.length\n  const clones = [...chapters]\n  const paint = (parts) => {\n    const byId = (id) => $list.querySelector(`#${id}`)\n    parts.forEach((chapter) => {\n      const pid = chapter.pid\n      const id = chapter.id\n      const rel = chapter.rel\n      const children = []\n      const $text = createElement(\n        'span',\n        {\n          className: 'outline-chapters__text'\n        },\n        chapter.text\n      )\n      let $link\n      let $code\n      let $li\n      let $subject\n      let $chapter\n\n      if (showCode) {\n        $code = createElement(\n          'span',\n          {\n            className: 'outline-chapters__code',\n            'data-id': id\n          },\n          chapter.code\n        )\n\n        children.push($code)\n      }\n\n      children.push($text)\n\n      $link = createElement(\n        'a',\n        {\n          id: `chapter__anchor-${id}`,\n          className: 'outline-chapters__anchor',\n          href: '#' + rel,\n          rel: rel,\n          'data-id': id\n        },\n        children\n      )\n\n      $li = createElement(\n        'li',\n        {\n          id: `chapter-${id}`,\n          className: 'outline-chapters__item',\n          'data-id': id\n        },\n        $link\n      )\n\n      if (pid === -1) {\n        $list.appendChild($li)\n      } else {\n        $chapter = byId(`chapter-${pid}`)\n        $subject = byId(`subject-${pid}`)\n\n        if (!$subject) {\n          $subject = createElement(\n            'ul',\n            {\n              id: 'subject-' + pid,\n              className: 'outline-chapters__subject'\n            },\n            $li\n          )\n\n          $chapter.appendChild($subject)\n        } else {\n          $subject.appendChild($li)\n        }\n      }\n    })\n  }\n\n  if (count > LIMIT) {\n    // 同步绘制\n    paint(clones.splice(0, LIMIT))\n    // 剩余的采用 timeSlice 机制绘制\n    while (clones.length > 0) {\n      const once = clones.splice(0, LIMIT)\n      timeSlice(() => {\n        paint(once)\n      })\n    }\n  } else {\n    paint(clones)\n  }\n}\n\nexport default _paintChapters\n","import easeInQuad from '../lang/easeInQuad'\nimport isFunction from '../types/isFunction'\nimport _getScrollElement from './_getScrollElement'\n\n/**\n * 指定 rootElement DOM 节点滚动到指定 top 位置\n * ========================================================================\n * @method scrollTo\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\n * @param {Number} top - （必须）滚动的 scrollTop 数值\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\n */\nconst scrollTo = (scrollElement, top, afterStop) => {\n  const $scrollElement = _getScrollElement(scrollElement)\n  let scrollTop = $scrollElement.scrollTop\n  let step = 0\n  const distance = top - scrollTop\n  const MAX_HEIGHT = $scrollElement.scrollHeight\n  const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\n  const stop = (top) => {\n    if (isFunction(afterStop)) {\n      afterStop(top)\n    }\n\n    return false\n  }\n  const play = () => {\n    step += 1\n\n    // 向上滚动\n    if (distance < 0) {\n      scrollTop -= easeInQuad(step)\n      $scrollElement.scrollTop = scrollTop\n\n      if (scrollTop <= top) {\n        $scrollElement.scrollTop = top\n        return stop(top)\n      }\n    } else {\n      scrollTop += easeInQuad(step)\n      $scrollElement.scrollTop = scrollTop\n\n      if (scrollTop >= MAX_TOP) {\n        $scrollElement.scrollTop = MAX_TOP\n        return stop(MAX_TOP)\n      }\n    }\n\n    requestAnimationFrame(play)\n  }\n\n  requestAnimationFrame(play)\n}\n\nexport default scrollTo\n","import isFunction from '../types/isFunction'\nimport isElement from '../types/isElement'\n\n/**\n * 通用的 IntersectionObserver 观察者处理器\n * ========================================================================\n * @method intersection\n * @param {Function} fn\n * @param {Object} [props]\n * @param {Object|HTMLElement} [props.root]\n * @param {String} [props.selector]\n * @param {Object} [props.context]\n * @param {String} [props.attr]\n * @param {String} [props.rootMargin]\n */\nconst intersection = (fn, props = {}) => {\n  const root = props.root || null\n  const selector = props.selector || '.outline-heading'\n  const context = props.context || null\n  const rootMargin = props.rootMargin || '0px 0px -90% 0px'\n  const options = {\n    rootMargin: rootMargin\n  }\n  const Observer = new IntersectionObserver((entries) => {\n    entries.forEach((entry) => {\n      if (entry.intersectionRatio > 0) {\n        if (isFunction(fn)) {\n          fn.call(context || entry.target, entry.target)\n        }\n      }\n    })\n  }, options)\n  const $root = isElement(root) ? root : document\n\n  if (root) {\n    options.root = root\n  }\n\n  $root.querySelectorAll(selector).forEach((section) => {\n    Observer.observe(section)\n  })\n\n  return Observer\n}\n\nexport default intersection\n","/**\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\n * ========================================================================\n * @method stop\n * @param {Event} evt - 事件对象\n *\n * @example\n * 
\n *   Service\n *   Help\n * 
\n *\n * const $nav = document.querySelector('#nav')\n * const $service = document.querySelector('.anchor')\n *\n * on($nav, 'click', function(evt) {\n *   console.log('你点击了导航栏')\n * })\n *\n * on($anchor, 'click', function(evt) {\n *   console.log('tagName', this.tagName)\n *\n *   // 工作台输出：'a'\n *   // 不会触发事件冒泡，输出：'你点击了导航栏'\n *   // 也不会切换到 href 属性的页面，阻止了点击链接的默认行为\n *   stopEvent(evt)\n * })\n */\nconst stop = function (evt) {\n  evt.stopPropagation()\n  evt.preventDefault()\n}\n\nexport default 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diff --git a/docs/js/drawer.min.js b/docs/js/drawer.min.js
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outline-drawer_closed`},[u,y,f]),this.$modal=d,r&&b(d,"outline-drawer_offset"),a&&b(d,"outline-drawer_auto"),c&&b(d,c),o&&(v=x("div",{className:"outline-drawer__overlay"}),this.$overlay=v),h=x("div",{className:"outline-drawer"},[d,v]),this.$el=h,document.body.appendChild(h),l(t)&&t.call(this),this}open(){const t=this.attr("afterOpened"),e=this.$modal;return b(this.$el,"outline-drawer_opened"),z(e,"outline-drawer_closed"),b(e,"outline-drawer_opened"),m((()=>{this.closed=!1,l(t)&&t.call(this)})),this}close(){const t=this.attr("afterClosed"),e=this.$modal;return z(e,"outline-drawer_opened"),b(e,"outline-drawer_closed"),m((()=>{z(this.$el,"outline-drawer_opened"),this.closed=!0,l(t)&&t.call(this)})),this}toggle(){const t=this.attr("afterToggle"),e=this.isClosed();return e?this.open():this.close(),l(t)&&m((()=>{t.call(this,e)})),this}destroy(){const t=this.attr("afterDestroy"),e=this.attr("beforeDestroy");let s=this.zIndex;return l(e)&&e.call(this),this.removeListeners(),this.attrs=H.DEFAULTS,this.title="",this.closed=!1,this.$el=null,this.$modal=null,this.$header=null,this.$title=null,this.$close=null,this.$main=null,this.$footer=null,this.$overlay=null,s-=1,k(s),this.zIndex=0,l(t)&&t.call(this),this}addListeners(){const t=this.attr("hasClose"),e=this.attr("hasOverlay"),s=this.$el;return t&&C(s,".outline-drawer__close","click",this.onClose,this,!0),e&&C(s,".outline-drawer__overlay","click",this.onClose,this,!0),this}removeListeners(){const t=this.attr("hasClose"),e=this.attr("hasOverlay"),s=this.$el;return t||e?(j(s,"click",this.onClose),this):this}onClose(){return this.close(),this}}return H.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},H}));
+//# sourceMappingURL=drawer.min.js.map
diff --git a/docs/js/drawer.min.js.map b/docs/js/drawer.min.js.map
new file mode 100644
index 00000000..7204aa47
--- /dev/null
+++ b/docs/js/drawer.min.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"drawer.min.js","sources":["../../utils/types/isString.js","../../utils/lang/hasOwn.js","../../utils/lang/toString.js","../../utils/types/isFunction.js","../../utils/types/isObject.js","../../utils/observer/_subscribers.js","../../utils/observer/_hasDirectSubscribersFor.js","../../utils/observer/has.js","../../utils/observer/_hasSubscribers.js","../../utils/observer/emit.js","../../utils/types/isTypedArray.js","../../utils/lang/guid.js","../../utils/observer/_removeSubscriber.js","../../utils/observer/off.js","../../utils/observer/_removeSubscriberByToken.js","../../base.js","../../utils/lang/extend.js","../../utils/observer/on.js","../../utils/lang/later.js","../../utils/types/isArray.js","../../utils/lang/cloneDeep.js","../../utils/types/isElement.js","../../utils/dom/hasClass.js","../../utils/dom/addClass.js","../../utils/dom/removeClass.js","../../utils/lang/trim.js","../../utils/types/isDOM.js","../../utils/types/isHTMLCollection.js","../../utils/types/isFragment.js","../../utils/types/isTextNode.js","../../utils/dom/setAttributes.js","../../utils/dom/setAttribute.js","../../utils/dom/createElement.js","../../utils/dom/matches.js","../../utils/dom/getParentOrHost.js","../../utils/event/enum.js","../../utils/event/_off.js","../../utils/event/_delete.js","../../utils/event/purgeElement.js","../../utils/event/getListeners.js","../../utils/event/off.js","../../utils/event/on.js","../../utils/event/getTarget.js","../../utils/dom/resolveTextNode.js","../../utils/dom/closest.js","../../utils/icons/symbols.js","../../utils/icons/defaults.js","../../utils/icons/getSymbols.js","../../utils/icons/getSymbol.js","../../utils/icons/paint.js","../../utils/icons/add.js","../../utils/icons/createElement.js","../../utils/types/isSVG.js","../../zIndex.js","../../utils/dom/setProperty.js","../../drawer.js","../../utils/icons/icon.js"],"sourcesContent":["/**\n * 检测数据是否为 String 类型\n * ========================================================================\n * @method isArray\n * @param {*} str\n * @returns {boolean}\n */\nconst isString = (str) => {\n  return typeof str === 'string'\n}\n\nexport default isString\n","/**\n * 检测对象自身属性中是否具有指定的属性。\n * ========================================================================\n * @method hasOwn\n * @param {Object} obj - （必须）检测的目标对象\n * @param {String} prop - （必须）属性名\n * @returns {Boolean}\n */\nconst hasOwn = (obj, prop) => {\n  const hasOwnProperty = Object.prototype.hasOwnProperty\n  return obj && hasOwnProperty.call(obj, prop)\n}\n\nexport default hasOwn\n","/**\n * Object 对象原型上的 toString 方法\n * ========================================================================\n * @method toString\n * @param {*} val\n * @returns {string}\n */\nconst toString = (val) => {\n  return Object.prototype.toString.apply(val)\n}\n\nexport default toString\n","import toString from '../lang/toString'\n\n/**\n * 检测测试数据是否为 Function 类型\n * ========================================================================\n * @method isFunction\n * @param {*} val - （必须）待检测的数据\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\n */\nconst isFunction = (val) => {\n  return typeof val === 'function' || toString(val) === '[object Function]'\n}\n\nexport default isFunction\n","import toString from '../lang/toString'\nimport isFunction from './isFunction'\n\n/**\n * 检测数据是否为 Object 类型\n * ========================================================================\n * @method isObject\n * @param {*} o\n * @returns {boolean}\n */\nconst isObject = (o) => {\n  return (\n    (toString(o) === '[object Object]' ||\n      typeof o === 'object' ||\n      isFunction(o)) &&\n    o !== null\n  )\n}\n\nexport default isObject\n","/**\n * 存储订阅者（主题和处理器的）私有对象\n * ========================================================================\n * @type {{}}\n * @private\n */\nconst _subscribers = {}\n\nexport default _subscribers\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\n * ========================================================================\n * @method _hasDirectSubscribersFor\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasDirectSubscribersFor = (topic) => {\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\n}\n\nexport default _hasDirectSubscribersFor\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\nimport _hasSubscribers from './_hasSubscribers'\n\n/**\n * 判断是否存在包含 topic 指定的订阅者信息\n * ========================================================================\n * @method has\n * @param {String} topic - （必须）主题名称\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\n * @returns {Boolean}\n */\nconst has = (topic, isDirect = true) => {\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\n}\n\nexport default has\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * 判断是否存在包含给定 topic 相关的订阅者信息\n * ========================================================================\n * @method _hasSubscribers\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasSubscribers = (topic) => {\n  let found = _hasDirectSubscribersFor(topic)\n  let position = topic.lastIndexOf('.')\n\n  while (!found && position !== -1) {\n    topic = topic.substring(0, position)\n    position = topic.lastIndexOf('.')\n    found = _hasDirectSubscribersFor(topic)\n  }\n\n  return found\n}\n\nexport default _hasSubscribers\n","import isTypedArray from '../types/isTypedArray'\nimport _subscribers from './_subscribers'\nimport has from './has'\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * （异步）发布订阅主题信息\n * ========================================================================\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。\n * ========================================================================\n * @method emit\n * @param {String} topic - （必须）主题名称\n * @param {Object} [data] - （可选）数据对象\n * @param {Boolean} [async] - (可选) 是否异步发布\n */\nconst emit = (topic, data, async = true) => {\n  const execute = (topic) => {\n    if (!_hasDirectSubscribersFor(topic)) {\n      return false\n    }\n\n    _subscribers[topic].forEach((subscriber) => {\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\n      // 采用 toString() 方法转化为普通（JSON）字符串\n      const message = isTypedArray(data) ? data.toString() : data\n\n      subscriber.callback.call(subscriber.context || subscriber, message)\n    })\n  }\n  const deliver = () => {\n    let subscriber = topic\n    let position = topic.lastIndexOf('.')\n\n    while (position !== -1) {\n      subscriber = subscriber.substring(0, position)\n      position = subscriber.lastIndexOf('.')\n\n      execute(subscriber)\n    }\n\n    // 执行 topic 对应的处理器\n    execute(topic)\n    // 执行特殊 topic：'*'（监听全部消息的发布）\n    execute('*')\n  }\n\n  if (!has(topic)) {\n    return false\n  }\n\n  if (async) {\n    setTimeout(deliver, 10)\n  } else {\n    deliver()\n  }\n}\n\nexport default emit\n","import toString from '../lang/toString'\n/**\n * 判断检测数据是否为 Typed Arrays 类型的数据\n * ========================================================================\n * @param {*} val\n * @returns {boolean}\n */\nconst isTypedArray = (val) => {\n  const TYPES = [\n    '[object Int8Array]',\n    '[object Uint8Array]',\n    '[object Uint8ClampedArray]',\n    '[object Int16Array]',\n    '[object Uint16Array]',\n    '[object Int32Array]',\n    '[object Uint32Array]',\n    '[object Float32Array]',\n    '[object Float64Array]',\n    '[object BigInt64Array]',\n    '[object BigUint64Array]'\n  ]\n\n  return TYPES.indexOf(toString(val)) > -1\n}\n\nexport default isTypedArray\n","/**\n * 生成唯一 id 字符串的函数\n * ========================================================================\n * @method guid\n * @param {String} [prefix] - 生成 id 的前缀字符串\n * @return {String} 返回一个表示唯一 id 的字符串\n */\nconst guid = (() => {\n  let uuid = 0\n\n  return (prefix) => {\n    uuid += 1\n\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\n  }\n})()\n\nexport default guid\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 删除与给定 topic 相同的订阅者信息\n * ========================================================================\n * @method _removeSubscriber\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _removeSubscriber = (topic) => {\n  if (!hasOwn(_subscribers, topic)) {\n    return false\n  }\n\n  delete _subscribers[topic]\n}\n\nexport default _removeSubscriber\n","import has from './has'\nimport _removeSubscriber from './_removeSubscriber'\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\n\n/**\n * 取消订阅主题\n * ========================================================================\n * @method off\n * @param {String} topic - （必须）订阅的主题\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\n */\nconst off = (topic, token) => {\n  if (!has(topic)) {\n    return false\n  }\n\n  if (token) {\n    _removeSubscriberByToken(token)\n  } else {\n    _removeSubscriber(topic)\n  }\n}\n\nexport default off\n","import _subscribers from './_subscribers'\nimport _removeSubscriber from './_removeSubscriber'\n\n/**\n * 通过订阅者 token 值删除订阅者信息\n * ========================================================================\n * @method _removeSubscriberByToken\n * @param {String} token - 订阅者 token 字符串\n * @returns {boolean}\n * @private\n */\nconst _removeSubscriberByToken = (token) => {\n  const keys = Object.keys(_subscribers)\n  let index = -1\n\n  if (!token || keys.length < 1) {\n    return false\n  }\n\n  keys.forEach((subject) => {\n    const subscriber = _subscribers[subject]\n    let topic\n\n    subscriber.forEach((execution, j) => {\n      if (execution.callback === token || execution.token === token) {\n        topic = execution.topic\n        subscriber.splice(index, j)\n      }\n    })\n\n    /* istanbul ignore else */\n    if (subscriber.length < 1) {\n      _removeSubscriber(topic)\n    }\n  })\n}\n\nexport default _removeSubscriberByToken\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\nimport publish from './utils/observer/emit'\r\nimport subscribe from './utils/observer/on'\r\nimport unsubscribe from './utils/observer/off'\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  $emit(event, data) {\r\n    publish(event, data)\r\n    return this\r\n  }\r\n\r\n  $on(event, callback) {\r\n    subscribe(event, callback, this)\r\n    return this\r\n  }\r\n\r\n  $off(event, callback) {\r\n    unsubscribe(event, callback)\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'\n\n/**\n * 扩展对象\n * ========================================================================\n * @method extend\n * @param {Object} origin\n * @param {Object} source\n */\nconst extend = (origin, source) => {\n  const keys = Object.keys(source)\n\n  keys.forEach((prop) => {\n    if (hasOwn(source, prop)) {\n      origin[prop] = source[prop]\n    }\n  })\n}\n\nexport default extend\n","import _subscribers from './_subscribers'\nimport isFunction from '../types/isFunction'\nimport guid from '../lang/guid'\n\n/**\n * 订阅主题，并给出处理器函数\n * ========================================================================\n * @method on\n * @param {String} topic - （必须）主题名称\n * @param {Function} handler - （必须）主题的处理器函数\n * @param {Object} [context] - （可选）指定 this 执行上下文\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\n */\nconst on = (topic, handler, context = null) => {\n  const token = guid()\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\n\n  if (!isFunction(handler)) {\n    return ''\n  }\n\n  /* istanbul ignore else */\n  if (!_subscribers[subject]) {\n    _subscribers[subject] = []\n  }\n\n  _subscribers[subject].push({\n    topic: subject,\n    callback: handler,\n    context,\n    token\n  })\n\n  return token\n}\n\nexport default on\n","import isFunction from '../types/isFunction'\n\n/**\n * later - 延迟执行方法\n * ========================================================================\n * @method later\n * @param {Function} fn\n * @param {Number} [delay]\n * @returns {number|boolean}\n */\nconst later = (fn, delay = 300) => {\n  if (!isFunction(fn)) {\n    return false\n  }\n\n  return setTimeout(() => {\n    fn()\n  }, delay)\n}\n\nexport default later\n","import toString from '../lang/toString'\n\n/**\n * 检测数据是否为 Array 类型\n * ========================================================================\n * @method isArray\n * @param {*} o\n * @returns {boolean}\n */\nconst isArray = (o) => {\n  if (Array.isArray) {\n    return Array.isArray(o)\n  } else {\n    return toString(o) === '[object Array]'\n  }\n}\n\nexport default isArray\n","import isObject from '../types/isObject'\r\nimport isArray from '../types/isArray'\r\n\r\n/**\r\n * 深拷贝对象函数\r\n * ========================================================================\r\n * @methods cloneDeep\r\n * @param {Object} obj - 深拷贝的对象\r\n * @returns {Array|Object|*}\r\n *\r\n * @example\r\n * const arr = cloneDeep([2,3,4,6])\r\n * => [2,3,4,6]\r\n */\r\nconst cloneDeep = (obj) => {\r\n  let clone = {}\r\n\r\n  if (obj === null) {\r\n    return null\r\n  }\r\n\r\n  if (isArray(obj)) {\r\n    clone = Array.from(obj)\r\n  } else {\r\n    clone = Object.assign({}, obj)\r\n    Object.keys(clone).forEach((key) => {\r\n      return (clone[key] = isObject(obj[key]) ? cloneDeep(obj[key]) : obj[key])\r\n    })\r\n  }\r\n\r\n  return clone\r\n}\r\n\r\nexport default cloneDeep\r\n","import isObject from './isObject'\n\n/**\n * 检测数据是否为 HTMLElement DOM 节点\n * ========================================================================\n * @method isElement\n * @param {*} o\n * @returns {boolean}\n */\nconst isElement = (o) => {\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\n}\n\nexport default isElement\n","import isElement from '../types/isElement'\n/**\n * 检测 DOM 节点是否包含名为 className 的样式\n * ========================================================================\n * @method hasClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst hasClass = (el, className) => {\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\n  let allClass\n  let classList\n\n  if (!isElement(el)) {\n    return false\n  }\n\n  allClass = el.className\n\n  if (!allClass) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.contains) {\n    return el.classList.contains(className)\n  }\n\n  return !!pattern.exec(allClass)\n}\n\nexport default hasClass\n","import hasClass from './hasClass'\n\n/**\n * 给 DOM 节点添加名为 className 的样式\n * ========================================================================\n * @method addClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst addClass = (el, className) => {\n  let classList\n  let allClass\n\n  if (hasClass(el, className)) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.add) {\n    classList.add(className)\n  } else {\n    allClass = el.className\n    allClass += allClass.length > 0 ? ' ' + className : className\n    el.className = allClass\n  }\n}\n\nexport default addClass\n","import trim from '../lang/trim'\nimport hasClass from './hasClass'\n\n/**\n * 移除 DOM 节点的 className 样式\n * ========================================================================\n * @method removeClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst removeClass = (el, className) => {\n  let allClass = el.className\n  let classList\n\n  if (!allClass || !hasClass(el, className)) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.remove) {\n    classList.remove(className)\n  } else {\n    allClass = trim(allClass.replace(className, ''))\n    el.className = allClass\n  }\n}\n\nexport default removeClass\n","import isString from '../types/isString'\n\n/**\n * 清楚字符串起始位置所有的空格\n * ========================================================================\n * @method trim\n * @param {string} str\n * @returns {string|Boolean}\n */\nconst trim = (str) => {\n  if (!isString(str)) {\n    return false\n  }\n  return str.replace(/(^\\s+)|(\\s+$)/g, '')\n}\n\nexport default trim\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'\nimport isObject from './isObject'\n\nconst isFragment = (fragment) => {\n  return !!(\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\n  )\n}\n\nexport default isFragment\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 isObject from '../types/isObject'\nimport hasOwn from '../lang/hasOwn'\nimport setAttribute from './setAttribute'\n\nconst setAttributes = (el, attrs) => {\n  if (!el || !isObject(attrs)) {\n    return false\n  }\n\n  Object.keys(attrs).forEach((attr) => {\n    const value = attrs[attr]\n    if (hasOwn(attrs, attr)) {\n      setAttribute(el, attr, value)\n    }\n  })\n}\n\nexport default setAttributes\n","/**\n * 给 DOM 节点设置属性/值\n * ========================================================================\n * @method setAttribute\n * @param {HTMLElement} el - DOM 节点\n * @param {String} attr - 属性名称\n * @param {String|Number|Boolean} value - 属性值\n */\nconst setAttribute = (el, attr, value) => {\n  let tagName = el.tagName.toLowerCase()\n\n  switch (attr) {\n    case 'style':\n      el.style.cssText = value\n      break\n    case 'value':\n      if (tagName === 'input' || tagName === 'textarea') {\n        el.value = value\n      } else {\n        el.setAttribute(attr, value)\n      }\n      break\n    case 'htmlFor':\n      el.setAttribute('for', value)\n      break\n    case 'className':\n      el.className = value\n      break\n    case 'innerHTML':\n      el.innerHTML = value\n      break\n    case 'innerText':\n      el.innerText = value\n      break\n    default:\n      el.setAttribute(attr, value)\n      break\n  }\n}\n\nexport default setAttribute\n","import isObject from '../types/isObject'\nimport isString from '../types/isString'\nimport isArray from '../types/isArray'\nimport isDOM from '../types/isDOM'\nimport setAttributes from './setAttributes'\n\n/**\n * 创建 DOM 节点，并添加属性和子节点\n * ========================================================================\n * @method createElement\n * @param {String} tagName - 标签名称\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\n * @returns {HTMLElement}\n */\nconst createElement = (tagName, attrs, children) => {\n  const $fragment = document.createDocumentFragment()\n  const $el = document.createElement(tagName)\n  const isValidChild = (child) => {\n    return isDOM(child) || isString(child)\n  }\n  const append = (child) => {\n    let $child\n\n    if (!isValidChild(child)) {\n      return false\n    }\n\n    if (isDOM(child)) {\n      $child = child\n    } else if (isString(child)) {\n      $child = document.createTextNode(child)\n    }\n\n    $fragment.appendChild($child)\n  }\n\n  if (isObject(attrs)) {\n    setAttributes($el, attrs)\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\n    attrs.forEach((child) => {\n      append(child)\n    })\n  } else if (isDOM(attrs)) {\n    append(attrs)\n  } else if (isString(attrs)) {\n    append(document.createTextNode(attrs))\n  }\n\n  if (isArray(children)) {\n    children.forEach((child) => {\n      append(child)\n    })\n  } else {\n    append(children)\n  }\n\n  $el.appendChild($fragment)\n\n  return $el\n}\n\nexport default createElement\n","/**\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\n * ========================================================================\n * Element.matches() 方法可以用来判断 DOM 元素是否与给定的选择器匹配，事件代理判断是\n * 否触发绑定的代理事件回调函数，关键就是使用 Element.matches() 辨别当前事件触发的目\n * 标 DOM 元素是否为事件代理所期望触发的目标。\n * ========================================================================\n * @method matches\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\n * @returns {Boolean}\n */\nconst matches = (el, selector = '') => {\n  const sel = selector.replace(/^>/i, '')\n\n  if (!selector || !sel || !el) {\n    return false\n  }\n\n  /* istanbul ignore else */\n  if (el.matches) {\n    return el.matches(sel)\n  } else if (el.msMatchesSelector) {\n    return el.msMatchesSelector(sel)\n  } else {\n    return false\n  }\n}\n\nexport default matches\n","/**\n * 获取 DOM 元素的父节点\n * ========================================================================\n * @method getParentOrHost\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\n * @returns {*|HTMLElement}\n */\nconst getParentOrHost = (el) => {\n  return el.host && el !== document && el.host.nodeType\n    ? el.host\n    : el.parentNode\n}\n\nexport default getParentOrHost\n","export const CAPTURE_EVENTS = [\n  'focusout',\n  'blur',\n  'focusin',\n  'focus',\n  'load',\n  'unload',\n  'mouseenter',\n  'mouseleave'\n]\n","import { CAPTURE_EVENTS } from './enum'\nimport _delete from './_delete'\n\n/**\n * （私有方法）取消 type 类型的代理事件绑定\n * ========================================================================\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\n * ========================================================================\n * @method _off\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} fn - （必须）事件处理器回调函数\n * @private\n */\nconst _off = (el, type, fn) => {\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n  /* istanbul ignore else */\n  if (fn._delegateListener) {\n    fn = fn._delegateListener\n    delete fn._delegateListener\n  }\n\n  // 移除缓存的 _listeners 数据\n  _delete(el, type, fn)\n\n  el.removeEventListener(type, fn, capture)\n}\n\nexport default _off\n","/**\n * 删除 DOM 元素缓存的 _listeners 数据\n * ========================================================================\n * @method _delete\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\n * @param {String} type - 事件类型（名称）\n * @param {Function} [fn] - 事件处理器回调函数\n */\nconst _delete = function (el, type, fn) {\n  const listeners = el._listeners\n  let index = -1\n\n  if (listeners.length < 1) {\n    return false\n  }\n\n  // 移除缓存的 _listeners 数据\n  listeners.forEach((listener, i) => {\n    const handler = listener.fn\n\n    if (type === listener.type) {\n      index = i\n\n      if (handler === fn) {\n        index = i\n      }\n    }\n  })\n\n  /* istanbul ignore else */\n  if (index > -1) {\n    listeners.splice(index, 1)\n  }\n}\n\nexport default _delete\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\nimport getListeners from './getListeners'\nimport _off from './_off'\n\n/**\n * 销毁（type 类型的）代理事件绑定\n * ========================================================================\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\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\n * ========================================================================\n * @method purgeElement\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\n * @param {String|Boolean} type - （必须）事件类型\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\n */\nconst purgeElement = function (el, type, recurse = false) {\n  const $element = isString(el) ? document.querySelector(el) : el\n  const $children = $element.childNodes\n  const listeners = getListeners($element, type)\n\n  listeners.forEach((listener) => {\n    _off($element, listener.type, listener.fn)\n  })\n\n  if (\n    (recurse || type === true || arguments.length === 1) &&\n    $element &&\n    $children\n  ) {\n    $children.forEach(($child) => {\n      if (isElement($child)) {\n        purgeElement($child, type, recurse)\n      }\n    })\n  }\n}\n\nexport default purgeElement\n","import isString from '../types/isString'\n\n/**\n * 获取 DOM 元素（type 事件类型）事件绑定信息\n * ========================================================================\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\n * ========================================================================\n * @methods getListeners\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\n * @param {String} [type] - （可选）事件类型\n * @returns {Array} - 已绑定的事件信息\n */\nconst getListeners = (el, type) => {\n  let listeners = el._listeners || []\n\n  if (isString(type) && type) {\n    listeners = listeners.filter((listener) => {\n      return listener.type === type\n    })\n  }\n\n  return listeners\n}\n\nexport default getListeners\n","import purgeElement from './purgeElement'\nimport isFunction from '../types/isFunction'\nimport _off from './_off'\n\n/**\n * 取消 type 类型的代理事件绑定\n * ========================================================================\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\n * ========================================================================\n * @method off\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} [fn] - （可选）事件处理器回调函数\n */\nconst off = (el, type, fn) => {\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\n  if (!isFunction(fn)) {\n    return purgeElement(el, type)\n  }\n\n  _off(el, type, fn)\n}\n\nexport default off\n","import closest from '../dom/closest'\nimport off from './off'\nimport getTarget from './getTarget'\n\nimport { CAPTURE_EVENTS } from './enum'\n\n/**\n * 绑定代理事件\n * ========================================================================\n * @method on\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\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\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，\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\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\n * @param {Boolean} once - （可选）是否仅触发一次\n */\nconst on = (el, selector, type, fn, data, context, once = false) => {\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n  const listener = function (evt) {\n    const target = getTarget(evt)\n    // 通过 Element.matches 方法获得点击的目标元素\n    const delegateTarget = closest(target, selector, el)\n    let overrideContext = context || el\n\n    evt.delegateTarget = delegateTarget\n\n    // 当设置为 true 时，则事件处理器回调函数的\n    // this 上下文指向为 data 对象\n    if (context === true) {\n      overrideContext = data\n    }\n\n    /* istanbul ignore else */\n    if (delegateTarget) {\n      // 仅触发一次\n      /* istanbul ignore else */\n      if (once === true) {\n        off(el, type, listener)\n      }\n\n      fn.call(overrideContext, evt, data)\n    }\n  }\n\n  if (!el._listeners) {\n    el._listeners = []\n  }\n\n  // 缓存 options 元素绑定的事件处理器\n  el._listeners.push({\n    el,\n    selector,\n    type,\n    fn: listener,\n    data,\n    context,\n    capture\n  })\n\n  // 缓存包装后的事件处理器\n  fn._delegateListener = listener\n\n  el.addEventListener(type, listener, capture)\n}\n\nexport default on\n","import resolveTextNode from '../dom/resolveTextNode'\n\n/**\n * 返回触发事件的 target DOM 元素\n * ========================================================================\n * @method getTarget\n * @param {Event} evt - Event 对象\n * @return {HTMLElement} - Event 对象的 target DOM 元素\n */\nconst getTarget = function (evt) {\n  const target = evt.target\n\n  return resolveTextNode(target)\n}\n\nexport default getTarget\n","/**\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。\n * resolveTextNode() 方法则会返回实际的目标节点。\n * ========================================================================\n * @method resolveTextNode\n * @param {HTMLElement|Text} el - 要解析的节点\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\n */\nconst resolveTextNode = function (el) {\n  if (el && el.nodeType === 3) {\n    return el.parentNode\n  }\n\n  return el\n}\n\nexport default resolveTextNode\n","import matches from './matches'\nimport getParentOrHost from './getParentOrHost'\n\n/**\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\n * ========================================================================\n * @method closest\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）DOM 元素的选择其\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\n */\nconst closest = (el, selector, ctx, includeCTX) => {\n  const context = ctx || document\n\n  if (!el) {\n    return null\n  }\n\n  do {\n    /* istanbul ignore else */\n    if (\n      (selector != null &&\n        (selector.startsWith('>')\n          ? el.parentNode === context && matches(el, selector)\n          : matches(el, selector))) ||\n      (includeCTX && el === context)\n    ) {\n      return el\n    }\n\n    /* istanbul ignore else */\n    if (el === context) {\n      break\n    }\n\n    /* jshint boss:true */\n  } while ((el = getParentOrHost(el)))\n}\n\nexport default closest\n","import DEFAULTS from './defaults'\n\nconst SYMBOLS = [...DEFAULTS]\n\nexport default SYMBOLS\n","const DEFAULTS = [\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  ''\n]\n\nexport default DEFAULTS\n","import isString from '../types/isString'\nimport getSymbol from './getSymbol'\nimport SYMBOLS from './symbols'\n\n/**\n *\n * @method getSymbols\n * @param {String} [name]\n * @param {String} [iconSet]\n * @returns {string[]|*}\n */\nconst getSymbols = (name, iconSet = 'icon') => {\n  if (isString(name)) {\n    return getSymbol(name, iconSet)\n  }\n\n  return [...SYMBOLS]\n}\n\nexport default getSymbols\n","import SYMBOLS from './symbols'\n\n/**\n * @method getSymbol\n * @param {String} name\n * @param {String} [iconSet]\n * @returns {String}\n */\nconst getSymbol = (name, iconSet = 'icon') => {\n  const patternName = /id=\"(.*?)\"/\n  const patternSet = /^(\\w+)-/\n  const symbols = SYMBOLS\n\n  return symbols.find((symbol) => {\n    const names = patternName.exec(symbol)\n    const fullName = names[1]\n    const sets = patternSet.exec(fullName)\n    const setName = sets[1]\n    const iconName =\n      iconSet === 'icon' ? `${iconSet}-${name}` : `${iconSet}-icon-${name}`\n\n    return setName === iconSet && fullName === iconName\n  })\n}\n\nexport default getSymbol\n","import add from './add'\nimport getSymbols from './getSymbols'\n\n/**\n * 绘制 SVG 图标集\n * ========================================================================\n * @method paint\n * @param {String|Array} symbol\n */\nconst paint = (symbol = '') => {\n  const $body = document.body\n  let $icons = document.querySelector('#outline-icons')\n  let symbols = []\n\n  add(symbol)\n  symbols = getSymbols()\n\n  if ($icons) {\n    $icons.innerHTML = symbols.join('')\n  } else {\n    $icons = document.createElement('div')\n    $icons.innerHTML =\n      ``\n    $body.insertBefore($icons.firstChild, $body.firstChild)\n  }\n}\n\nexport default paint\n","import isArray from '../types/isArray'\nimport isString from '../types/isString'\nimport SYMBOLS from './symbols'\n\n/**\n * @method add\n * @param {Array|String} symbols\n * @return {Boolean}\n */\nconst add = (symbols) => {\n  if (!symbols) {\n    return false\n  }\n\n  if (isArray(symbols) && symbols.length > 0) {\n    symbols.forEach((symbol) => {\n      /* istanbul ignore else */\n      if (SYMBOLS.indexOf(symbol) === -1 && isString(symbol)) {\n        SYMBOLS.push(symbol)\n      }\n    })\n  } else {\n    /* istanbul ignore else */\n    if (isString(symbols)) {\n      SYMBOLS.push(symbols)\n    }\n  }\n}\n\nexport default add\n","import isArray from '../types/isArray'\nimport isString from '../types/isString'\nimport isSVG from '../types/isSVG'\nimport setAttributes from '../dom/setAttributes'\n\n/**\n * 创建 SVG 图标 DOM 元素\n * ========================================================================\n * @method createElement\n * @param {String} name\n * @param {Object} [options]\n * @param {Number|Array} [options.size]\n * @param {String} [options.color]\n * @param {String} [options.iconSet]\n * @param {Object} [options.attrs]\n * @returns {HTMLElement}\n */\nconst createElement = (name, options = {}) => {\n  const ICON = 'outline-icon'\n  const size = options.size || 0\n  const color = options.color || ''\n  const iconSet = options.iconSet || ''\n  const width = isArray(size) ? size[0] : size\n  const height = isArray(size) ? size[1] : size\n  const defaultRules = size ? `width:${width}px;height:${height}px;` : ''\n  const cssRules = color ? defaultRules + `color:${color}` : defaultRules\n  const attrs = options.attrs || {}\n  const $icon = document.createElement('i')\n  let binds = ''\n  let svg = ''\n  let $svg\n\n  if (!isString(name)) {\n    return null\n  }\n\n  if (isSVG(name)) {\n    svg = name\n  } else {\n    binds =\n      iconSet && iconSet !== 'icon'\n        ? `xlink:href=\"#${iconSet}-icon-${name}\"`\n        : `xlink:href=\"#icon-${name}\"`\n    svg = ``\n  }\n\n  $icon.innerHTML = svg\n\n  if (attrs.className) {\n    attrs.className = `${ICON} ${attrs.className}`\n  } else {\n    attrs.className = ICON\n  }\n\n  setAttributes($icon, attrs)\n\n  $svg = $icon.querySelector('svg')\n  setAttributes($svg, {\n    'aria-hidden': true,\n    xmlns: 'http://www.w3.org/2000/svg',\n    class: 'outline-icon__svg',\n    width: 200,\n    height: 200,\n    style: cssRules\n  })\n\n  return $icon\n}\n\nexport default createElement\n","import isString from './isString'\n\nconst isSVG = (str) => {\n  const declaration = '(?:<\\\\?xml[^>]*>\\\\s*)?'\n  const doctype =\n    '(?:<\\\\!doctype svg[^>]*\\\\s*(?:\\\\[?(?:\\\\s*]*>\\\\s*)*\\\\]?)*[^>]*>\\\\s*)?'\n  const content = ']*>[^]*<\\\\/svg>\\\\s*$'\n  const svg = `^\\\\s*${declaration}${doctype}${content}\\\\s*$`\n  const pattern = new RegExp(svg, 'i')\n\n  return isString(str) && pattern.test(str)\n}\n\nexport default isSVG\n","import setProperty from './utils/dom/setProperty'\n\nlet index = 2000\n\nconst zIndex = (idx) => {\n  if (idx) {\n    index = idx\n  } else {\n    index += 1\n  }\n\n  setProperty('--outline-zIndex', `${index}`)\n\n  return index\n}\n\nexport default zIndex\n","const setProperty = (prop, value) => {\r\n  const documentElement = document.documentElement\r\n  documentElement.style.setProperty(prop, value)\r\n}\r\n\r\nexport default setProperty\r\n","import Base from './base'\n\nimport later from './utils/lang/later'\nimport cloneDeep from './utils/lang/cloneDeep'\nimport isFunction from './utils/types/isFunction'\nimport addClass from './utils/dom/addClass'\nimport removeClass from './utils/dom/removeClass'\nimport createElement from './utils/dom/createElement'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\n\nimport paint from './utils/icons/paint'\nimport icon from './utils/icons/icon'\nimport zIndex from './zIndex'\n\nclass Drawer extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Drawer.DEFAULTS)\n    this.title = ''\n    this.closed = true\n    this.$el = null\n    this.$modal = null\n    this.$header = null\n    this.$title = null\n    this.$close = null\n    this.$main = null\n    this.$footer = null\n    this.$overlay = null\n    this.zIndex = 0\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    let created\n\n    this.attr(options)\n\n    this.title = this.attr('title')\n    created = this.attr('created')\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    this.render().addListeners()\n    return this\n  }\n\n  setTitle(title) {\n    this.attr('title', title)\n    this.title = title\n    this.$title.innerHTML = title\n\n    return this\n  }\n\n  isClosed() {\n    return this.closed\n  }\n\n  render() {\n    const mounted = this.attr('mounted')\n    const size = this.attr('size')\n    const placement = this.attr('placement')\n    const hasClose = this.attr('hasClose')\n    const hasOverlay = this.attr('hasOverlay')\n    const hasOffset = this.attr('hasOffset')\n    const hasPadding = this.attr('hasPadding')\n    const autoHeight = this.attr('autoHeight')\n    const customClass = this.attr('customClass')\n    let $el\n    let $modal\n    let $header\n    let $title\n    let $close\n    let $main\n    let $footer\n    let $overlay\n\n    paint()\n    this.zIndex = zIndex()\n\n    $title = createElement(\n      'h2',\n      {\n        className: 'outline-drawer__title'\n      },\n      this.title\n    )\n    this.$title = $title\n\n    if (hasClose) {\n      $close = createElement(\n        'div',\n        {\n          className: 'outline-drawer__close'\n        },\n        icon('close', { iconSet: 'outline', size: 20 })\n      )\n      this.$close = $close\n    }\n\n    $header = createElement(\n      'header',\n      {\n        className: 'outline-drawer__header'\n      },\n      [$title, $close]\n    )\n    this.$header = $header\n\n    $main = createElement('div', {\n      className: 'outline-drawer__main'\n    })\n    this.$main = $main\n\n    if (!hasPadding) {\n      addClass($main, 'outline-drawer_full')\n    }\n\n    $footer = createElement('footer', {\n      className: 'outline-drawer__footer'\n    })\n    this.$footer = $footer\n\n    $modal = createElement(\n      'div',\n      {\n        className: `outline-drawer__modal outline-drawer_${placement} outline-drawer_${size} outline-drawer_closed`\n      },\n      [$header, $main, $footer]\n    )\n    this.$modal = $modal\n\n    if (hasOffset) {\n      addClass($modal, 'outline-drawer_offset')\n    }\n\n    if (autoHeight) {\n      addClass($modal, 'outline-drawer_auto')\n    }\n\n    if (customClass) {\n      addClass($modal, customClass)\n    }\n\n    if (hasOverlay) {\n      $overlay = createElement('div', {\n        className: 'outline-drawer__overlay'\n      })\n      this.$overlay = $overlay\n    }\n\n    $el = createElement(\n      'div',\n      {\n        className: `outline-drawer`\n      },\n      [$modal, $overlay]\n    )\n    this.$el = $el\n    document.body.appendChild($el)\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    return this\n  }\n\n  open() {\n    const opened = this.attr('afterOpened')\n    const $modal = this.$modal\n\n    addClass(this.$el, 'outline-drawer_opened')\n    removeClass($modal, 'outline-drawer_closed')\n    addClass($modal, 'outline-drawer_opened')\n\n    later(() => {\n      this.closed = false\n\n      if (isFunction(opened)) {\n        opened.call(this)\n      }\n    })\n\n    return this\n  }\n\n  close() {\n    const closed = this.attr('afterClosed')\n    const $modal = this.$modal\n\n    removeClass($modal, 'outline-drawer_opened')\n    addClass($modal, 'outline-drawer_closed')\n\n    later(() => {\n      removeClass(this.$el, 'outline-drawer_opened')\n      this.closed = true\n\n      if (isFunction(closed)) {\n        closed.call(this)\n      }\n    })\n\n    return this\n  }\n\n  toggle() {\n    const afterToggle = this.attr('afterToggle')\n    const closed = this.isClosed()\n\n    if (closed) {\n      this.open()\n    } else {\n      this.close()\n    }\n\n    if (isFunction(afterToggle)) {\n      later(() => {\n        afterToggle.call(this, closed)\n      })\n    }\n\n    return this\n  }\n\n  destroy() {\n    const afterDestroy = this.attr('afterDestroy')\n    const beforeDestroy = this.attr('beforeDestroy')\n    let index = this.zIndex\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n\n    this.attrs = Drawer.DEFAULTS\n    this.title = ''\n    this.closed = false\n    this.$el = null\n    this.$modal = null\n    this.$header = null\n    this.$title = null\n    this.$close = null\n    this.$main = null\n    this.$footer = null\n    this.$overlay = null\n\n    index -= 1\n    zIndex(index)\n    this.zIndex = 0\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    return this\n  }\n\n  addListeners() {\n    const hasClose = this.attr('hasClose')\n    const hasOverlay = this.attr('hasOverlay')\n    const $el = this.$el\n\n    if (hasClose) {\n      on($el, '.outline-drawer__close', 'click', this.onClose, this, true)\n    }\n\n    if (hasOverlay) {\n      on($el, '.outline-drawer__overlay', 'click', this.onClose, this, true)\n    }\n\n    return this\n  }\n\n  removeListeners() {\n    const hasClose = this.attr('hasClose')\n    const hasOverlay = this.attr('hasOverlay')\n    const $el = this.$el\n\n    if (!hasClose && !hasOverlay) {\n      return this\n    }\n\n    off($el, 'click', this.onClose)\n\n    return this\n  }\n\n  onClose() {\n    this.close()\n    return this\n  }\n}\n\nDrawer.DEFAULTS = {\n  placement: 'rtl',\n  title: '标题',\n  size: 'regular',\n  hasClose: true,\n  hasOverlay: true,\n  hasOffset: false,\n  hasPadding: true,\n  autoHeight: true,\n  created: null,\n  mounted: null,\n  afterClosed: null,\n  afterOpened: null,\n  afterScroll: null,\n  beforeDestroy: null,\n  afterDestroy: null,\n  afterToggle: null\n}\n\nexport default Drawer\n","import createElement from './createElement'\n\n/**\n * 创建 SVG 图标 DOM 元素\n * ========================================================================\n * @method icon\n * @alias createElement\n * @see createElement\n * @param {String} name\n * @param {Object} [options]\n * @param {Number|Array} [options.size]\n * @param {String} [options.color]\n * @param {String} [options.iconSet]\n * @returns {HTMLElement}\n */\nconst icon = (name, options = {}) => {\n  return createElement(name, options)\n}\n\nexport default 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\ No newline at end of file
diff --git a/docs/js/message.min.js b/docs/js/message.min.js
new file mode 100644
index 00000000..081876bd
--- /dev/null
+++ b/docs/js/message.min.js
@@ -0,0 +1,2 @@
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+//# sourceMappingURL=message.min.js.map
diff --git a/docs/js/message.min.js.map b/docs/js/message.min.js.map
new file mode 100644
index 00000000..f36cea14
--- /dev/null
+++ b/docs/js/message.min.js.map
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（必须）待检测的数据\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\n */\nconst isFunction = (val) => {\n  return typeof val === 'function' || toString(val) === '[object Function]'\n}\n\nexport default isFunction\n","import toString from '../lang/toString'\nimport isFunction from './isFunction'\n\n/**\n * 检测数据是否为 Object 类型\n * ========================================================================\n * @method isObject\n * @param {*} o\n * @returns {boolean}\n */\nconst isObject = (o) => {\n  return (\n    (toString(o) === '[object Object]' ||\n      typeof o === 'object' ||\n      isFunction(o)) &&\n    o !== null\n  )\n}\n\nexport default isObject\n","import isObjectLike from './isObjectLike'\n\n/**\n * 检测测试数据是否为普通对象\n * ========================================================================\n * @method isPlainObject\n * @param {Object} val - 要检测的数据\n * @returns {Boolean} 'val' 是普通对象，返回 true，否则返回 false\n */\nconst isPlainObject = (val) => {\n  const getPrototypeOf = Object.getPrototypeOf\n  let proto\n\n  // Detect obvious negatives\n  if (!isObjectLike(val)) {\n    return false\n  }\n\n  proto = val.prototype\n\n  // JavaScript 对象分为两种：普通对象和函数对象\n  // 普通对象：原型是 __proto__，没有 prototype 原型（属性）\n  // 函数对象：原型是 prototype ，prototype 只存在于函数对象上\n  if (!proto) {\n    return true\n  }\n\n  proto = val\n\n  while (getPrototypeOf(proto) !== null) {\n    proto = getPrototypeOf(proto)\n  }\n\n  return getPrototypeOf(val) === proto\n}\n\nexport default isPlainObject\n","import isObject from './isObject'\n\n/**\n * 检测测试数据是否为类似 Object 类型\n * ========================================================================\n * @method isObjectLike\n * @param {Object} val - 要检测的数据\n * @returns {Boolean} 'val' 是类似 Object 类型，返回 true，否则返回 false\n */\nconst isObjectLike = (val) => {\n  return isObject(val) && val !== null\n}\n\nexport default isObjectLike\n","/**\n * 检测对象自身属性中是否具有指定的属性。\n * ========================================================================\n * @method hasOwn\n * @param {Object} obj - （必须）检测的目标对象\n * @param {String} prop - （必须）属性名\n * @returns {Boolean}\n */\nconst hasOwn = (obj, prop) => {\n  const hasOwnProperty = Object.prototype.hasOwnProperty\n  return obj && hasOwnProperty.call(obj, prop)\n}\n\nexport default hasOwn\n","import hasOwn from './hasOwn'\n\n/**\n * 扩展对象\n * ========================================================================\n * @method extend\n * @param {Object} origin\n * @param {Object} source\n */\nconst extend = (origin, source) => {\n  const keys = Object.keys(source)\n\n  keys.forEach((prop) => {\n    if (hasOwn(source, prop)) {\n      origin[prop] = source[prop]\n    }\n  })\n}\n\nexport default extend\n","import isFunction from '../types/isFunction'\n\n/**\n * later - 延迟执行方法\n * ========================================================================\n * @method later\n * @param {Function} fn\n * @param {Number} [delay]\n * @returns {number|boolean}\n */\nconst later = (fn, delay = 300) => {\n  if (!isFunction(fn)) {\n    return false\n  }\n\n  return setTimeout(() => {\n    fn()\n  }, delay)\n}\n\nexport default later\n","/**\r\n * 移除字符串中的 JavaScript 代码\r\n * ====================================================\r\n * @param {String} str\r\n * @returns {String}\r\n */\r\nconst stripScripts = (str) => {\r\n  return str.replace(/]*>.*?<\\/script>/gi, '')\r\n}\r\n\r\nexport default stripScripts\r\n","/**\r\n * 转义字符串中的 HTML 标签\r\n *\r\n * @param {String} str - 需要转义的字符串\r\n * @returns {String}\r\n */\r\nconst encodeHTML = (str) => {\r\n  const CHARTS = {\r\n    '&': '&',\r\n    '<': '<',\r\n    '>': '>',\r\n    \"'\": ''',\r\n    '\"': '"'\r\n  }\r\n\r\n  return str.replace(/[&<>'\"]/g, (tag) => {\r\n    return CHARTS[tag] || tag\r\n  })\r\n}\r\n\r\nexport default encodeHTML\r\n","import toString from '../lang/toString'\n\n/**\n * 检测数据是否为 Array 类型\n * ========================================================================\n * @method isArray\n * @param {*} o\n * @returns {boolean}\n */\nconst isArray = (o) => {\n  if (Array.isArray) {\n    return Array.isArray(o)\n  } else {\n    return toString(o) === '[object Array]'\n  }\n}\n\nexport default isArray\n","import isObject from '../types/isObject'\r\nimport isArray from '../types/isArray'\r\n\r\n/**\r\n * 深拷贝对象函数\r\n * ========================================================================\r\n * @methods cloneDeep\r\n * @param {Object} obj - 深拷贝的对象\r\n * @returns {Array|Object|*}\r\n *\r\n * @example\r\n * const arr = cloneDeep([2,3,4,6])\r\n * => [2,3,4,6]\r\n */\r\nconst cloneDeep = (obj) => {\r\n  let clone = {}\r\n\r\n  if (obj === null) {\r\n    return null\r\n  }\r\n\r\n  if (isArray(obj)) {\r\n    clone = Array.from(obj)\r\n  } else {\r\n    clone = Object.assign({}, obj)\r\n    Object.keys(clone).forEach((key) => {\r\n      return (clone[key] = isObject(obj[key]) ? cloneDeep(obj[key]) : obj[key])\r\n    })\r\n  }\r\n\r\n  return clone\r\n}\r\n\r\nexport default cloneDeep\r\n","/**\n * 生成唯一 id 字符串的函数\n * ========================================================================\n * @method guid\n * @param {String} [prefix] - 生成 id 的前缀字符串\n * @return {String} 返回一个表示唯一 id 的字符串\n */\nconst guid = (() => {\n  let uuid = 0\n\n  return (prefix) => {\n    uuid += 1\n\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\n  }\n})()\n\nexport default guid\n","import isObject from './isObject'\n\n/**\n * 检测数据是否为 HTMLElement DOM 节点\n * ========================================================================\n * @method isElement\n * @param {*} o\n * @returns {boolean}\n */\nconst isElement = (o) => {\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\n}\n\nexport default isElement\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'\nimport isObject from './isObject'\n\nconst isFragment = (fragment) => {\n  return !!(\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\n  )\n}\n\nexport default isFragment\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","/**\n * 给 DOM 节点设置属性/值\n * ========================================================================\n * @method setAttribute\n * @param {HTMLElement} el - DOM 节点\n * @param {String} attr - 属性名称\n * @param {String|Number|Boolean} value - 属性值\n */\nconst setAttribute = (el, attr, value) => {\n  let tagName = el.tagName.toLowerCase()\n\n  switch (attr) {\n    case 'style':\n      el.style.cssText = value\n      break\n    case 'value':\n      if (tagName === 'input' || tagName === 'textarea') {\n        el.value = value\n      } else {\n        el.setAttribute(attr, value)\n      }\n      break\n    case 'htmlFor':\n      el.setAttribute('for', value)\n      break\n    case 'className':\n      el.className = value\n      break\n    case 'innerHTML':\n      el.innerHTML = value\n      break\n    case 'innerText':\n      el.innerText = value\n      break\n    default:\n      el.setAttribute(attr, value)\n      break\n  }\n}\n\nexport default setAttribute\n","import isObject from '../types/isObject'\nimport hasOwn from '../lang/hasOwn'\nimport setAttribute from './setAttribute'\n\nconst setAttributes = (el, attrs) => {\n  if (!el || !isObject(attrs)) {\n    return false\n  }\n\n  Object.keys(attrs).forEach((attr) => {\n    const value = attrs[attr]\n    if (hasOwn(attrs, attr)) {\n      setAttribute(el, attr, value)\n    }\n  })\n}\n\nexport default setAttributes\n","import isObject from '../types/isObject'\nimport isString from '../types/isString'\nimport isArray from '../types/isArray'\nimport isDOM from '../types/isDOM'\nimport setAttributes from './setAttributes'\n\n/**\n * 创建 DOM 节点，并添加属性和子节点\n * ========================================================================\n * @method createElement\n * @param {String} tagName - 标签名称\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\n * @returns {HTMLElement}\n */\nconst createElement = (tagName, attrs, children) => {\n  const $fragment = document.createDocumentFragment()\n  const $el = document.createElement(tagName)\n  const isValidChild = (child) => {\n    return isDOM(child) || isString(child)\n  }\n  const append = (child) => {\n    let $child\n\n    if (!isValidChild(child)) {\n      return false\n    }\n\n    if (isDOM(child)) {\n      $child = child\n    } else if (isString(child)) {\n      $child = document.createTextNode(child)\n    }\n\n    $fragment.appendChild($child)\n  }\n\n  if (isObject(attrs)) {\n    setAttributes($el, attrs)\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\n    attrs.forEach((child) => {\n      append(child)\n    })\n  } else if (isDOM(attrs)) {\n    append(attrs)\n  } else if (isString(attrs)) {\n    append(document.createTextNode(attrs))\n  }\n\n  if (isArray(children)) {\n    children.forEach((child) => {\n      append(child)\n    })\n  } else {\n    append(children)\n  }\n\n  $el.appendChild($fragment)\n\n  return $el\n}\n\nexport default createElement\n","import isElement from '../types/isElement'\n/**\n * 检测 DOM 节点是否包含名为 className 的样式\n * ========================================================================\n * @method hasClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst hasClass = (el, className) => {\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\n  let allClass\n  let classList\n\n  if (!isElement(el)) {\n    return false\n  }\n\n  allClass = el.className\n\n  if (!allClass) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.contains) {\n    return el.classList.contains(className)\n  }\n\n  return !!pattern.exec(allClass)\n}\n\nexport default hasClass\n","import hasClass from './hasClass'\n\n/**\n * 给 DOM 节点添加名为 className 的样式\n * ========================================================================\n * @method addClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst addClass = (el, className) => {\n  let classList\n  let allClass\n\n  if (hasClass(el, className)) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.add) {\n    classList.add(className)\n  } else {\n    allClass = el.className\n    allClass += allClass.length > 0 ? ' ' + className : className\n    el.className = allClass\n  }\n}\n\nexport default addClass\n","import trim from '../lang/trim'\nimport hasClass from './hasClass'\n\n/**\n * 移除 DOM 节点的 className 样式\n * ========================================================================\n * @method removeClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst removeClass = (el, className) => {\n  let allClass = el.className\n  let classList\n\n  if (!allClass || !hasClass(el, className)) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.remove) {\n    classList.remove(className)\n  } else {\n    allClass = trim(allClass.replace(className, ''))\n    el.className = allClass\n  }\n}\n\nexport default removeClass\n","import isString from '../types/isString'\n\n/**\n * 清楚字符串起始位置所有的空格\n * ========================================================================\n * @method trim\n * @param {string} str\n * @returns {string|Boolean}\n */\nconst trim = (str) => {\n  if (!isString(str)) {\n    return false\n  }\n  return str.replace(/(^\\s+)|(\\s+$)/g, '')\n}\n\nexport default trim\n","import isArray from '../types/isArray'\nimport isString from '../types/isString'\nimport isSVG from '../types/isSVG'\nimport setAttributes from '../dom/setAttributes'\n\n/**\n * 创建 SVG 图标 DOM 元素\n * ========================================================================\n * @method createElement\n * @param {String} name\n * @param {Object} [options]\n * @param {Number|Array} [options.size]\n * @param {String} [options.color]\n * @param {String} [options.iconSet]\n * @param {Object} [options.attrs]\n * @returns {HTMLElement}\n */\nconst createElement = (name, options = {}) => {\n  const ICON = 'outline-icon'\n  const size = options.size || 0\n  const color = options.color || ''\n  const iconSet = options.iconSet || ''\n  const width = isArray(size) ? size[0] : size\n  const height = isArray(size) ? size[1] : size\n  const defaultRules = size ? `width:${width}px;height:${height}px;` : ''\n  const cssRules = color ? defaultRules + `color:${color}` : defaultRules\n  const attrs = options.attrs || {}\n  const $icon = document.createElement('i')\n  let binds = ''\n  let svg = ''\n  let $svg\n\n  if (!isString(name)) {\n    return null\n  }\n\n  if (isSVG(name)) {\n    svg = name\n  } else {\n    binds =\n      iconSet && iconSet !== 'icon'\n        ? `xlink:href=\"#${iconSet}-icon-${name}\"`\n        : `xlink:href=\"#icon-${name}\"`\n    svg = ``\n  }\n\n  $icon.innerHTML = svg\n\n  if (attrs.className) {\n    attrs.className = `${ICON} ${attrs.className}`\n  } else {\n    attrs.className = ICON\n  }\n\n  setAttributes($icon, attrs)\n\n  $svg = $icon.querySelector('svg')\n  setAttributes($svg, {\n    'aria-hidden': true,\n    xmlns: 'http://www.w3.org/2000/svg',\n    class: 'outline-icon__svg',\n    width: 200,\n    height: 200,\n    style: cssRules\n  })\n\n  return $icon\n}\n\nexport default createElement\n","import isString from './isString'\n\nconst isSVG = (str) => {\n  const declaration = '(?:<\\\\?xml[^>]*>\\\\s*)?'\n  const doctype =\n    '(?:<\\\\!doctype svg[^>]*\\\\s*(?:\\\\[?(?:\\\\s*]*>\\\\s*)*\\\\]?)*[^>]*>\\\\s*)?'\n  const content = ']*>[^]*<\\\\/svg>\\\\s*$'\n  const svg = `^\\\\s*${declaration}${doctype}${content}\\\\s*$`\n  const pattern = new RegExp(svg, 'i')\n\n  return isString(str) && pattern.test(str)\n}\n\nexport default isSVG\n","import createElement from './createElement'\n\n/**\n * 创建 SVG 图标 DOM 元素\n * ========================================================================\n * @method icon\n * @alias createElement\n * @see createElement\n * @param {String} name\n * @param {Object} [options]\n * @param {Number|Array} [options.size]\n * @param {String} [options.color]\n * @param {String} [options.iconSet]\n * @returns {HTMLElement}\n */\nconst icon = (name, options = {}) => {\n  return createElement(name, options)\n}\n\nexport default icon\n","import DEFAULTS from './defaults'\n\nconst SYMBOLS = [...DEFAULTS]\n\nexport default SYMBOLS\n","const DEFAULTS = [\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  ''\n]\n\nexport default DEFAULTS\n","import isString from '../types/isString'\nimport getSymbol from './getSymbol'\nimport SYMBOLS from './symbols'\n\n/**\n *\n * @method getSymbols\n * @param {String} [name]\n * @param {String} [iconSet]\n * @returns {string[]|*}\n */\nconst getSymbols = (name, iconSet = 'icon') => {\n  if (isString(name)) {\n    return getSymbol(name, iconSet)\n  }\n\n  return [...SYMBOLS]\n}\n\nexport default getSymbols\n","import SYMBOLS from './symbols'\n\n/**\n * @method getSymbol\n * @param {String} name\n * @param {String} [iconSet]\n * @returns {String}\n */\nconst getSymbol = (name, iconSet = 'icon') => {\n  const patternName = /id=\"(.*?)\"/\n  const patternSet = /^(\\w+)-/\n  const symbols = SYMBOLS\n\n  return symbols.find((symbol) => {\n    const names = patternName.exec(symbol)\n    const fullName = names[1]\n    const sets = patternSet.exec(fullName)\n    const setName = sets[1]\n    const iconName =\n      iconSet === 'icon' ? `${iconSet}-${name}` : `${iconSet}-icon-${name}`\n\n    return setName === iconSet && fullName === iconName\n  })\n}\n\nexport default getSymbol\n","/**\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\n * ========================================================================\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\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\n * 标 DOM 元素是否为事件代理所期望触发的目标。\n * ========================================================================\n * @method matches\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\n * @returns {Boolean}\n */\nconst matches = (el, selector = '') => {\n  const sel = selector.replace(/^>/i, '')\n\n  if (!selector || !sel || !el) {\n    return false\n  }\n\n  /* istanbul ignore else */\n  if (el.matches) {\n    return el.matches(sel)\n  } else if (el.msMatchesSelector) {\n    return el.msMatchesSelector(sel)\n  } else {\n    return false\n  }\n}\n\nexport default matches\n","/**\n * 获取 DOM 元素的父节点\n * ========================================================================\n * @method getParentOrHost\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\n * @returns {*|HTMLElement}\n */\nconst getParentOrHost = (el) => {\n  return el.host && el !== document && el.host.nodeType\n    ? el.host\n    : el.parentNode\n}\n\nexport default getParentOrHost\n","export const CAPTURE_EVENTS = [\n  'focusout',\n  'blur',\n  'focusin',\n  'focus',\n  'load',\n  'unload',\n  'mouseenter',\n  'mouseleave'\n]\n","import { CAPTURE_EVENTS } from './enum'\nimport _delete from './_delete'\n\n/**\n * （私有方法）取消 type 类型的代理事件绑定\n * ========================================================================\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\n * ========================================================================\n * @method _off\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} fn - （必须）事件处理器回调函数\n * @private\n */\nconst _off = (el, type, fn) => {\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n  /* istanbul ignore else */\n  if (fn._delegateListener) {\n    fn = fn._delegateListener\n    delete fn._delegateListener\n  }\n\n  // 移除缓存的 _listeners 数据\n  _delete(el, type, fn)\n\n  el.removeEventListener(type, fn, capture)\n}\n\nexport default _off\n","/**\n * 删除 DOM 元素缓存的 _listeners 数据\n * ========================================================================\n * @method _delete\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\n * @param {String} type - 事件类型（名称）\n * @param {Function} [fn] - 事件处理器回调函数\n */\nconst _delete = function (el, type, fn) {\n  const listeners = el._listeners\n  let index = -1\n\n  if (listeners.length < 1) {\n    return false\n  }\n\n  // 移除缓存的 _listeners 数据\n  listeners.forEach((listener, i) => {\n    const handler = listener.fn\n\n    if (type === listener.type) {\n      index = i\n\n      if (handler === fn) {\n        index = i\n      }\n    }\n  })\n\n  /* istanbul ignore else */\n  if (index > -1) {\n    listeners.splice(index, 1)\n  }\n}\n\nexport default _delete\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\nimport getListeners from './getListeners'\nimport _off from './_off'\n\n/**\n * 销毁（type 类型的）代理事件绑定\n * ========================================================================\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\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\n * ========================================================================\n * @method purgeElement\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\n * @param {String|Boolean} type - （必须）事件类型\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\n */\nconst purgeElement = function (el, type, recurse = false) {\n  const $element = isString(el) ? document.querySelector(el) : el\n  const $children = $element.childNodes\n  const listeners = getListeners($element, type)\n\n  listeners.forEach((listener) => {\n    _off($element, listener.type, listener.fn)\n  })\n\n  if (\n    (recurse || type === true || arguments.length === 1) &&\n    $element &&\n    $children\n  ) {\n    $children.forEach(($child) => {\n      if (isElement($child)) {\n        purgeElement($child, type, recurse)\n      }\n    })\n  }\n}\n\nexport default purgeElement\n","import isString from '../types/isString'\n\n/**\n * 获取 DOM 元素（type 事件类型）事件绑定信息\n * ========================================================================\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\n * ========================================================================\n * @methods getListeners\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\n * @param {String} [type] - （可选）事件类型\n * @returns {Array} - 已绑定的事件信息\n */\nconst getListeners = (el, type) => {\n  let listeners = el._listeners || []\n\n  if (isString(type) && type) {\n    listeners = listeners.filter((listener) => {\n      return listener.type === type\n    })\n  }\n\n  return listeners\n}\n\nexport default getListeners\n","import purgeElement from './purgeElement'\nimport isFunction from '../types/isFunction'\nimport _off from './_off'\n\n/**\n * 取消 type 类型的代理事件绑定\n * ========================================================================\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\n * ========================================================================\n * @method off\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} [fn] - （可选）事件处理器回调函数\n */\nconst off = (el, type, fn) => {\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\n  if (!isFunction(fn)) {\n    return purgeElement(el, type)\n  }\n\n  _off(el, type, fn)\n}\n\nexport default off\n","import closest from '../dom/closest'\nimport off from './off'\nimport getTarget from './getTarget'\n\nimport { CAPTURE_EVENTS } from './enum'\n\n/**\n * 绑定代理事件\n * ========================================================================\n * @method on\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\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\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，\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\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\n * @param {Boolean} once - （可选）是否仅触发一次\n */\nconst on = (el, selector, type, fn, data, context, once = false) => {\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n  const listener = function (evt) {\n    const target = getTarget(evt)\n    // 通过 Element.matches 方法获得点击的目标元素\n    const delegateTarget = closest(target, selector, el)\n    let overrideContext = context || el\n\n    evt.delegateTarget = delegateTarget\n\n    // 当设置为 true 时，则事件处理器回调函数的\n    // this 上下文指向为 data 对象\n    if (context === true) {\n      overrideContext = data\n    }\n\n    /* istanbul ignore else */\n    if (delegateTarget) {\n      // 仅触发一次\n      /* istanbul ignore else */\n      if (once === true) {\n        off(el, type, listener)\n      }\n\n      fn.call(overrideContext, evt, data)\n    }\n  }\n\n  if (!el._listeners) {\n    el._listeners = []\n  }\n\n  // 缓存 options 元素绑定的事件处理器\n  el._listeners.push({\n    el,\n    selector,\n    type,\n    fn: listener,\n    data,\n    context,\n    capture\n  })\n\n  // 缓存包装后的事件处理器\n  fn._delegateListener = listener\n\n  el.addEventListener(type, listener, capture)\n}\n\nexport default on\n","import resolveTextNode from '../dom/resolveTextNode'\n\n/**\n * 返回触发事件的 target DOM 元素\n * ========================================================================\n * @method getTarget\n * @param {Event} evt - Event 对象\n * @return {HTMLElement} - Event 对象的 target DOM 元素\n */\nconst getTarget = function (evt) {\n  const target = evt.target\n\n  return resolveTextNode(target)\n}\n\nexport default getTarget\n","/**\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。\n * resolveTextNode() 方法则会返回实际的目标节点。\n * ========================================================================\n * @method resolveTextNode\n * @param {HTMLElement|Text} el - 要解析的节点\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\n */\nconst resolveTextNode = function (el) {\n  if (el && el.nodeType === 3) {\n    return el.parentNode\n  }\n\n  return el\n}\n\nexport default resolveTextNode\n","import matches from './matches'\nimport getParentOrHost from './getParentOrHost'\n\n/**\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\n * ========================================================================\n * @method closest\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）DOM 元素的选择其\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\n */\nconst closest = (el, selector, ctx, includeCTX) => {\n  const context = ctx || document\n\n  if (!el) {\n    return null\n  }\n\n  do {\n    /* istanbul ignore else */\n    if (\n      (selector != null &&\n        (selector.startsWith('>')\n          ? el.parentNode === context && matches(el, selector)\n          : matches(el, selector))) ||\n      (includeCTX && el === context)\n    ) {\n      return el\n    }\n\n    /* istanbul ignore else */\n    if (el === context) {\n      break\n    }\n\n    /* jshint boss:true */\n  } while ((el = getParentOrHost(el)))\n}\n\nexport default closest\n","/**\n * 存储订阅者（主题和处理器的）私有对象\n * ========================================================================\n * @type {{}}\n * @private\n */\nconst _subscribers = {}\n\nexport default _subscribers\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\n * ========================================================================\n * @method _hasDirectSubscribersFor\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasDirectSubscribersFor = (topic) => {\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\n}\n\nexport default _hasDirectSubscribersFor\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\nimport _hasSubscribers from './_hasSubscribers'\n\n/**\n * 判断是否存在包含 topic 指定的订阅者信息\n * ========================================================================\n * @method has\n * @param {String} topic - （必须）主题名称\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\n * @returns {Boolean}\n */\nconst has = (topic, isDirect = true) => {\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\n}\n\nexport default has\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * 判断是否存在包含给定 topic 相关的订阅者信息\n * ========================================================================\n * @method _hasSubscribers\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasSubscribers = (topic) => {\n  let found = _hasDirectSubscribersFor(topic)\n  let position = topic.lastIndexOf('.')\n\n  while (!found && position !== -1) {\n    topic = topic.substring(0, position)\n    position = topic.lastIndexOf('.')\n    found = _hasDirectSubscribersFor(topic)\n  }\n\n  return found\n}\n\nexport default _hasSubscribers\n","import isTypedArray from '../types/isTypedArray'\nimport _subscribers from './_subscribers'\nimport has from './has'\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * （异步）发布订阅主题信息\n * ========================================================================\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。\n * ========================================================================\n * @method emit\n * @param {String} topic - （必须）主题名称\n * @param {Object} [data] - （可选）数据对象\n * @param {Boolean} [async] - (可选) 是否异步发布\n */\nconst emit = (topic, data, async = true) => {\n  const execute = (topic) => {\n    if (!_hasDirectSubscribersFor(topic)) {\n      return false\n    }\n\n    _subscribers[topic].forEach((subscriber) => {\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\n      // 采用 toString() 方法转化为普通（JSON）字符串\n      const message = isTypedArray(data) ? data.toString() : data\n\n      subscriber.callback.call(subscriber.context || subscriber, message)\n    })\n  }\n  const deliver = () => {\n    let subscriber = topic\n    let position = topic.lastIndexOf('.')\n\n    while (position !== -1) {\n      subscriber = subscriber.substring(0, position)\n      position = subscriber.lastIndexOf('.')\n\n      execute(subscriber)\n    }\n\n    // 执行 topic 对应的处理器\n    execute(topic)\n    // 执行特殊 topic：'*'（监听全部消息的发布）\n    execute('*')\n  }\n\n  if (!has(topic)) {\n    return false\n  }\n\n  if (async) {\n    setTimeout(deliver, 10)\n  } else {\n    deliver()\n  }\n}\n\nexport default emit\n","import toString from '../lang/toString'\n/**\n * 判断检测数据是否为 Typed Arrays 类型的数据\n * ========================================================================\n * @param {*} val\n * @returns {boolean}\n */\nconst isTypedArray = (val) => {\n  const TYPES = [\n    '[object Int8Array]',\n    '[object Uint8Array]',\n    '[object Uint8ClampedArray]',\n    '[object Int16Array]',\n    '[object Uint16Array]',\n    '[object Int32Array]',\n    '[object Uint32Array]',\n    '[object Float32Array]',\n    '[object Float64Array]',\n    '[object BigInt64Array]',\n    '[object BigUint64Array]'\n  ]\n\n  return TYPES.indexOf(toString(val)) > -1\n}\n\nexport default isTypedArray\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 删除与给定 topic 相同的订阅者信息\n * ========================================================================\n * @method _removeSubscriber\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _removeSubscriber = (topic) => {\n  if (!hasOwn(_subscribers, topic)) {\n    return false\n  }\n\n  delete _subscribers[topic]\n}\n\nexport default _removeSubscriber\n","import has from './has'\nimport _removeSubscriber from './_removeSubscriber'\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\n\n/**\n * 取消订阅主题\n * ========================================================================\n * @method off\n * @param {String} topic - （必须）订阅的主题\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\n */\nconst off = (topic, token) => {\n  if (!has(topic)) {\n    return false\n  }\n\n  if (token) {\n    _removeSubscriberByToken(token)\n  } else {\n    _removeSubscriber(topic)\n  }\n}\n\nexport default off\n","import _subscribers from './_subscribers'\nimport _removeSubscriber from './_removeSubscriber'\n\n/**\n * 通过订阅者 token 值删除订阅者信息\n * ========================================================================\n * @method _removeSubscriberByToken\n * @param {String} token - 订阅者 token 字符串\n * @returns {boolean}\n * @private\n */\nconst _removeSubscriberByToken = (token) => {\n  const keys = Object.keys(_subscribers)\n  let index = -1\n\n  if (!token || keys.length < 1) {\n    return false\n  }\n\n  keys.forEach((subject) => {\n    const subscriber = _subscribers[subject]\n    let topic\n\n    subscriber.forEach((execution, j) => {\n      if (execution.callback === token || execution.token === token) {\n        topic = execution.topic\n        subscriber.splice(index, j)\n      }\n    })\n\n    /* istanbul ignore else */\n    if (subscriber.length < 1) {\n      _removeSubscriber(topic)\n    }\n  })\n}\n\nexport default _removeSubscriberByToken\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\nimport publish from './utils/observer/emit'\r\nimport subscribe from './utils/observer/on'\r\nimport unsubscribe from './utils/observer/off'\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  $emit(event, data) {\r\n    publish(event, data)\r\n    return this\r\n  }\r\n\r\n  $on(event, callback) {\r\n    subscribe(event, callback, this)\r\n    return this\r\n  }\r\n\r\n  $off(event, callback) {\r\n    unsubscribe(event, callback)\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 _subscribers from './_subscribers'\nimport isFunction from '../types/isFunction'\nimport guid from '../lang/guid'\n\n/**\n * 订阅主题，并给出处理器函数\n * ========================================================================\n * @method on\n * @param {String} topic - （必须）主题名称\n * @param {Function} handler - （必须）主题的处理器函数\n * @param {Object} [context] - （可选）指定 this 执行上下文\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\n */\nconst on = (topic, handler, context = null) => {\n  const token = guid()\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\n\n  if (!isFunction(handler)) {\n    return ''\n  }\n\n  /* istanbul ignore else */\n  if (!_subscribers[subject]) {\n    _subscribers[subject] = []\n  }\n\n  _subscribers[subject].push({\n    topic: subject,\n    callback: handler,\n    context,\n    token\n  })\n\n  return token\n}\n\nexport default on\n","import isString from './utils/types/isString'\r\nimport isPlainObject from './utils/types/isPlainObject'\r\nimport isFunction from './utils/types/isFunction'\r\n\r\nimport extend from './utils/lang/extend'\r\nimport later from './utils/lang/later'\r\nimport stripScripts from './utils/lang/stripScripts'\r\nimport encodeHTML from './utils/lang/encodeHTML'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport guid from './utils/lang/guid'\r\n\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport setAttribute from './utils/dom/setAttribute'\r\nimport setAttributes from './utils/dom/setAttributes'\r\n\r\nimport icon from './utils/icons/icon'\r\nimport paint from './utils/icons/paint'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\n\r\nimport Base from './base'\r\n\r\nconst TYPES = ['info', 'success', 'warning', 'error']\r\nconst instances = []\r\nlet instance\r\n\r\npaint()\r\n\r\nclass Message extends Base {\r\n  constructor(options) {\r\n    super()\r\n    this.attrs = cloneDeep(Message.DEFAULTS)\r\n\r\n    this.$el = null\r\n    this.id = ''\r\n    this.closed = false\r\n    this.visible = false\r\n    this.offset = -50\r\n    this.timer = null\r\n    this.destroyed = false\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)\r\n    this.id = this.attr('id')\r\n    this.offset = this.attr('offset') || -50\r\n\r\n    this.$emit('created', { ...this.attr() })\r\n\r\n    this.render().addListeners()\r\n\r\n    if (this.attr('visible')) {\r\n      this.open()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  isDestroyed() {\r\n    return this.destroyed\r\n  }\r\n\r\n  _getClassName() {\r\n    const type = this.attr('type')\r\n    const effect = this.attr('effect')\r\n    const round = this.attr('round')\r\n    const closable = this.attr('closable')\r\n    const visible = this.attr('visible')\r\n    const customClass = this.attr('customClass')\r\n    const className = [\r\n      'outline-message',\r\n      `outline-message_${type}`,\r\n      `outline-message_${effect}`\r\n    ]\r\n\r\n    if (round) {\r\n      className.push('outline-message_round')\r\n    }\r\n\r\n    if (!closable) {\r\n      className.push('outline-message_full-width')\r\n    }\r\n\r\n    if (visible) {\r\n      className.push('outline-message_visible')\r\n    }\r\n\r\n    if (customClass) {\r\n      className.push(customClass)\r\n    }\r\n\r\n    return className\r\n  }\r\n\r\n  render() {\r\n    const type = this.attr('type')\r\n    const message = this.attr('message')\r\n    const effect = this.attr('effect')\r\n    const round = this.attr('round')\r\n    const closable = this.attr('closable')\r\n    const dangerouslyUseHTMLString = this.attr('dangerouslyUseHTMLString')\r\n    const className = this._getClassName()\r\n    const iconName = effect === 'light' ? `circle-${type}` : type\r\n    const children = []\r\n    let iconSize = 20\r\n    let $type\r\n    let $message\r\n    let $text\r\n    let $close\r\n    let $el\r\n\r\n    if (round && effect === 'default') {\r\n      iconSize = 12\r\n    }\r\n\r\n    if (effect !== 'plain') {\r\n      $type = icon(iconName, {\r\n        iconSet: 'outline',\r\n        size: iconSize\r\n      })\r\n      addClass($type, 'outline-message__icon')\r\n      children.push($type)\r\n    }\r\n\r\n    if (!dangerouslyUseHTMLString) {\r\n      $text = document.createTextNode(encodeHTML(stripScripts(message)))\r\n    } else {\r\n      $text = document.createDocumentFragment()\r\n      $text.innerHTML = message\r\n    }\r\n    $message = createElement(\r\n      'p',\r\n      {\r\n        className: 'outline-message__content'\r\n      },\r\n      [$text]\r\n    )\r\n    children.push($message)\r\n\r\n    if (closable) {\r\n      $close = icon('close', {\r\n        iconSet: 'outline',\r\n        size: 18\r\n      })\r\n      addClass($close, 'outline-message__close')\r\n      children.push($close)\r\n    }\r\n\r\n    $el = createElement(\r\n      'div',\r\n      {\r\n        className: className.join(' ')\r\n      },\r\n      children\r\n    )\r\n    $el.style.cssText = `top:-50px;`\r\n    this.$el = $el\r\n    document.body.appendChild(this.$el)\r\n\r\n    this.$emit('mounted')\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshIcon() {\r\n    const HIDDEN = '.outline-message_hidden'\r\n    const $el = this.$el\r\n    let iconSize = 20\r\n    let type\r\n    let effect\r\n    let round\r\n    let iconName\r\n    let $icon\r\n    let $svg\r\n    let $use\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    $icon = $el.querySelector('.outline-icon')\r\n\r\n    if (!$icon) {\r\n      return this\r\n    }\r\n\r\n    type = this.attr('type')\r\n    effect = this.attr('effect')\r\n    round = this.attr('round')\r\n\r\n    if (effect === 'plain') {\r\n      addClass($icon, HIDDEN)\r\n    } else {\r\n      removeClass($icon, HIDDEN)\r\n\r\n      if (round && effect === 'default') {\r\n        iconSize = 12\r\n      }\r\n    }\r\n\r\n    $svg = $icon.querySelector('.outline-icon__svg')\r\n    setAttributes($svg, {\r\n      style: `width:${iconSize}px;height:${iconSize}px;`\r\n    })\r\n\r\n    $use = $svg.querySelector('use')\r\n    iconName = effect === 'light' ? `circle-${type}` : type\r\n    setAttribute($use, 'xlink:href', `#outline-icon-${iconName}`)\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshMessage() {\r\n    const $el = this.$el\r\n    let $message\r\n    let dangerouslyUseHTMLString\r\n    let message\r\n    let text\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    $message = $el.querySelector('.outline-message__content')\r\n    dangerouslyUseHTMLString = this.attr('dangerouslyUseHTMLString')\r\n    message = this.attr('message')\r\n\r\n    if (!dangerouslyUseHTMLString) {\r\n      text = encodeHTML(stripScripts(message))\r\n    } else {\r\n      text = message\r\n    }\r\n\r\n    $message.innerHTML = text\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshClose() {\r\n    const HIDDEN = '.outline-message_hidden'\r\n    const $el = this.$el\r\n    let $close\r\n    let closable\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    $close = $el.querySelector('.outline-message__close')\r\n    closable = this.attr('closable')\r\n\r\n    if ($close) {\r\n      if (closable) {\r\n        addClass($close, HIDDEN)\r\n      } else {\r\n        removeClass($close, HIDDEN)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshEl() {\r\n    const $el = this.$el\r\n    let className\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    className = this._getClassName()\r\n    setAttribute($el, 'className', className.join(' '))\r\n\r\n    return this\r\n  }\r\n\r\n  refresh(options) {\r\n    if (!isPlainObject(options)) {\r\n      return this\r\n    }\r\n\r\n    this.attr(options)\r\n      ._refreshIcon()\r\n      ._refreshMessage()\r\n      ._refreshClose()\r\n      ._refreshEl()\r\n\r\n    return this\r\n  }\r\n\r\n  clearTimer() {\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    if (this.timer) {\r\n      clearTimeout(this.timer)\r\n      this.timer = null\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  startTimer(duration) {\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    this.timer = later(() => {\r\n      this.$emit('opened')\r\n      this.close()\r\n    }, duration * 1000)\r\n\r\n    return this\r\n  }\r\n\r\n  open(options) {\r\n    const $el = this.$el\r\n    let offset\r\n    let duration\r\n    let top\r\n    let cssRules\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    if (this.isClosed()) {\r\n      this.refresh(options)\r\n    }\r\n\r\n    offset = this.attr('offset')\r\n    duration = this.attr('duration')\r\n    top = offset && offset >= this.offset ? offset : this.offset\r\n    cssRules = `top:${top}px;`\r\n\r\n    this.clearTimer()\r\n\r\n    this.$emit('beforeOpen')\r\n\r\n    later(() => {\r\n      this.visible = true\r\n\r\n      addClass($el, 'outline-message_visible')\r\n      $el.style.cssText = cssRules\r\n\r\n      if (duration > 0) {\r\n        this.startTimer(duration)\r\n      }\r\n    }, 100)\r\n\r\n    return this\r\n  }\r\n\r\n  close() {\r\n    const $el = this.$el\r\n    const cssRules = `top:-50px;`\r\n    let destroyAfterClosed\r\n    let beforeClose\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    destroyAfterClosed = this.attr('destroyAfterClosed')\r\n    beforeClose = this.attr('beforeClose')\r\n\r\n    if (isFunction(beforeClose)) {\r\n      beforeClose.call(this)\r\n    }\r\n\r\n    $el.style.cssText = cssRules\r\n    removeClass($el, 'outline-message_visible')\r\n\r\n    this.visible = false\r\n    this.closed = true\r\n\r\n    later(() => {\r\n      this.$emit('closed')\r\n\r\n      if (destroyAfterClosed) {\r\n        this.destroy()\r\n      }\r\n    }, 500)\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    this.$emit('beforeDestroy')\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    this.removeListeners()\r\n    document.body.removeChild(this.$el)\r\n\r\n    this.attr(Message.DEFAULTS)\r\n\r\n    this.id = ''\r\n    this.closed = true\r\n    this.visible = false\r\n    this.offset = -50\r\n    clearTimeout(this.timer)\r\n    this.timer = null\r\n    this.destroyed = true\r\n\r\n    this.$el = null\r\n\r\n    this.$emit('afterDestroy')\r\n\r\n    return this\r\n  }\r\n\r\n  onMouseEnter() {\r\n    this.clearTimer()\r\n    return this\r\n  }\r\n\r\n  onMouseLeave() {\r\n    const duration = this.attr('duration')\r\n    const delay = this.attr('delay')\r\n\r\n    if (duration <= 0) {\r\n      return this\r\n    }\r\n\r\n    this.startTimer(delay)\r\n\r\n    return this\r\n  }\r\n\r\n  onClose() {\r\n    this.clearTimer()\r\n    this.close()\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $el = this.$el\r\n\r\n    on(\r\n      $el,\r\n      '.outline-message__content',\r\n      'mouseenter',\r\n      this.onMouseEnter,\r\n      this,\r\n      true\r\n    )\r\n    on(\r\n      $el,\r\n      '.outline-message__content',\r\n      'mouseleave',\r\n      this.onMouseLeave,\r\n      this,\r\n      true\r\n    )\r\n    on($el, '.outline-message__close', 'click', this.onClose, this, true)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $el = this.$el\r\n\r\n    off($el, 'mouseenter', this.onMouseEnter)\r\n    off($el, 'mouseleave', this.onMouseLeave)\r\n    off($el, 'click', this.onClose)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nMessage.DEFAULTS = {\r\n  id: '',\r\n  type: 'info',\r\n  effect: 'default',\r\n  round: false,\r\n  offset: 30,\r\n  duration: 3,\r\n  delay: 2,\r\n  message: '',\r\n  customClass: '',\r\n  closable: true,\r\n  visible: true,\r\n  dangerouslyUseHTMLString: false,\r\n  destroyAfterClosed: true,\r\n  beforeClose: null\r\n}\r\n\r\nTYPES.forEach((type) => {\r\n  Message[type] = (options) => {\r\n    const config = {}\r\n    const id = guid(`outline-message-`)\r\n    const beforeClose = options.beforeClose || null\r\n    let offset = options.offset || 30\r\n\r\n    if (isString(options)) {\r\n      config.message = options\r\n    } else {\r\n      if (isPlainObject(options)) {\r\n        extend(config, options)\r\n      }\r\n    }\r\n    config.id = id\r\n    config.type = type\r\n    config.offset = offset\r\n    config.visible = false\r\n    config.beforeClose = () => {\r\n      Message.close(id, beforeClose)\r\n    }\r\n\r\n    instance = new Message(config)\r\n    instances.forEach((item) => {\r\n      offset += item.$el.offsetHeight + 16\r\n    })\r\n    instance.offset = offset\r\n    instance.open()\r\n    instances.push(instance)\r\n\r\n    return instance\r\n  }\r\n})\r\n\r\n// 关闭指定 id 消息的静态方法\r\nMessage.close = (id, beforeClose) => {\r\n  const len = instances.length\r\n  let index = -1\r\n  let i\r\n  let offsetHeight\r\n\r\n  instances.forEach((instance, i) => {\r\n    // 在 instances 中通过 id 找到要关闭的消息\r\n    if (id === instance.id) {\r\n      offsetHeight = instance.$el.offsetHeight\r\n      index = i\r\n\r\n      // 关闭消息\r\n      if (isFunction(beforeClose)) {\r\n        beforeClose.call(instance)\r\n      }\r\n\r\n      instances.splice(i, 1)\r\n    }\r\n  })\r\n\r\n  if (len <= 1 || index === -1 || index > instances.length - 1) {\r\n    return false\r\n  }\r\n\r\n  i = index\r\n\r\n  // 界面中的消息逐个向上收起\r\n  for (; i < len - 1; i += 1) {\r\n    const dom = instances[i].$el\r\n\r\n    dom.style['top'] = parseInt(dom.style['top'], 10) - offsetHeight - 16 + 'px'\r\n  }\r\n}\r\n\r\n// 关闭所有消息的静态方法\r\nMessage.clear = () => {\r\n  let i = instances.length - 1\r\n  for (; i >= 0; i -= 1) {\r\n    instances[i].close()\r\n  }\r\n}\r\n\r\nexport default Message\r\n","import add from './add'\nimport getSymbols from './getSymbols'\n\n/**\n * 绘制 SVG 图标集\n * ========================================================================\n * @method paint\n * @param {String|Array} symbol\n */\nconst paint = (symbol = '') => {\n  const $body = document.body\n  let $icons = document.querySelector('#outline-icons')\n  let symbols = []\n\n  add(symbol)\n  symbols = getSymbols()\n\n  if ($icons) {\n    $icons.innerHTML = symbols.join('')\n  } else {\n    $icons = document.createElement('div')\n    $icons.innerHTML =\n      ``\n    $body.insertBefore($icons.firstChild, $body.firstChild)\n  }\n}\n\nexport default paint\n","import isArray from '../types/isArray'\nimport isString from '../types/isString'\nimport SYMBOLS from './symbols'\n\n/**\n * @method add\n * @param {Array|String} symbols\n * @return {Boolean}\n */\nconst add = (symbols) => {\n  if (!symbols) {\n    return false\n  }\n\n  if (isArray(symbols) && symbols.length > 0) {\n    symbols.forEach((symbol) => {\n      /* istanbul ignore else */\n      if (SYMBOLS.indexOf(symbol) === -1 && 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diff --git a/docs/js/outline.min.js b/docs/js/outline.min.js
index 18ec7b72..cc0b32bb 100644
--- a/docs/js/outline.min.js
+++ b/docs/js/outline.min.js
@@ -1,2 +1,2 @@
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pt(s),ut.forEach((t=>{l+=t.$el.offsetHeight+16})),dt.offset=l,dt.open(),ut.push(dt),dt}})),pt.close=(t,s)=>{const i=ut.length;let r,l,n=-1;if(ut.forEach(((i,r)=>{t===i.id&&(l=i.$el.offsetHeight,n=r,e(s)&&s.call(i),ut.splice(r,1))})),i<=1||-1===n||n>ut.length-1)return!1;for(r=n;r{let t=ut.length-1;for(;t>=0;t-=1)ut[t].close()};const mt=(t,e)=>{let s,i=t;for(;i;)s=i.tagName.toLowerCase(),"script"!==s&&"style"!==s&&a(i,"outline-print_sibling"),i=e?i.previousElementSibling:i.nextElementSibling},ft="进入阅读模式，按 ESC 键可退出阅读模式";class gt extends N{constructor(t){super(),this.attrs=l(gt.DEFAULTS),this.anchors=null,this.drawer=null,this.chapters=null,this.toolbar=null,this.buttons=[],this.reading=!1,t&&this.initialize(t)}initialize(t){return this.attr(t),this.$emit("created",{...this.attr()}),this.render().addListeners(),this}getChapters(t=!1){return this.anchors.getChapters(t)}count(){return this.anchors.count()}render(){const t=this.attr("scrollElement"),e=document.querySelector(t);return 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r,l,h,a,c,u,d,p=e;if(n(t)?r=document.querySelector(t):o(t)&&(r=t),!r)return!1;u=J("close",{iconSet:"outline",size:20,attrs:{className:"outline-print__close"}}),a=r.querySelector("h1"),o(e)&&(a=e),o(a)&&(p=a.innerText),a=Q("h1",{className:"outline-print__title"},p),h=Q("article",{id:"outline-print__article",className:"outline-print__article"}),l=Q("section",{id:"outline-print",className:"outline-print"},[u,a,h]),document.body.appendChild(l),s((()=>{c=l.previousElementSibling,mt(c,!0),c=l.nextElementSibling,mt(c),d=r.cloneNode(!0).childNodes,d.forEach((t=>{i.appendChild(t)})),h.appendChild(i)}))})(r,t.title),this):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"),o=this.attr("chapterTextFilter");return this.anchors=new 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t=this.$el;let e,s,i,r;return this.isDestroyed()||(e=t.querySelector(".outline-message__content"),s=this.attr("dangerouslyUseHTMLString"),i=this.attr("message"),r=s?i:ct(at(i)),e.innerHTML=r),this}_refreshClose(){const t=".outline-message_hidden",e=this.$el;let s,i;return this.isDestroyed()||(s=e.querySelector(".outline-message__close"),i=this.attr("closable"),s&&(i?a(s,t):u(s,t))),this}_refreshEl(){const t=this.$el;let e;return this.isDestroyed()||(e=this._getClassName(),P(t,"className",e.join(" "))),this}refresh(t){return ht(t)?(this.attr(t)._refreshIcon()._refreshMessage()._refreshClose()._refreshEl(),this):this}clearTimer(){return this.isDestroyed()||this.timer&&(clearTimeout(this.timer),this.timer=null),this}startTimer(t){return this.isDestroyed()||(this.timer=s((()=>{this.$emit("opened"),this.close()}),1e3*t)),this}open(t){const e=this.$el;let i,r,l,n;return this.isDestroyed()||(this.isClosed()&&this.refresh(t),i=this.attr("offset"),r=this.attr("duration"),l=i&&i>=this.offset?i:this.offset,n=`top:${l}px;`,this.clearTimer(),this.$emit("beforeOpen"),s((()=>{this.visible=!0,a(e,"outline-message_visible"),e.style.cssText=n,r>0&&this.startTimer(r)}),100)),this}close(){const t=this.$el;let i,r;return this.isDestroyed()||(i=this.attr("destroyAfterClosed"),r=this.attr("beforeClose"),e(r)&&r.call(this),t.style.cssText="top:-50px;",u(t,"outline-message_visible"),this.visible=!1,this.closed=!0,s((()=>{this.$emit("closed"),i&&this.destroy()}),500)),this}destroy(){return this.$emit("beforeDestroy"),this.isDestroyed()||(this.removeListeners(),document.body.removeChild(this.$el),this.attr(pt.DEFAULTS),this.id="",this.closed=!0,this.visible=!1,this.offset=-50,clearTimeout(this.timer),this.timer=null,this.destroyed=!0,this.$el=null,this.$emit("afterDestroy")),this}onMouseEnter(){return this.clearTimer(),this}onMouseLeave(){const t=this.attr("duration"),e=this.attr("delay");return t<=0||this.startTimer(e),this}onClose(){return this.clearTimer(),this.close(),this}addListeners(){const t=this.$el;return T(t,".outline-message__content","mouseenter",this.onMouseEnter,this,!0),T(t,".outline-message__content","mouseleave",this.onMouseLeave,this,!0),T(t,".outline-message__close","click",this.onClose,this,!0),this}removeListeners(){const t=this.$el;return b(t,"mouseenter",this.onMouseEnter),b(t,"mouseleave",this.onMouseLeave),b(t,"click",this.onClose),this}}pt.DEFAULTS={id:"",type:"info",effect:"default",round:!1,offset:30,duration:3,delay:2,message:"",customClass:"",closable:!0,visible:!0,dangerouslyUseHTMLString:!1,destroyAfterClosed:!0,beforeClose:null},["info","success","warning","error"].forEach((t=>{pt[t]=e=>{const s={},i=k("outline-message-"),r=e.beforeClose||null;let l=e.offset||30;return n(e)?s.message=e:ht(e)&&S(s,e),s.id=i,s.type=t,s.offset=l,s.visible=!1,s.beforeClose=()=>{pt.close(i,r)},dt=new pt(s),ut.forEach((t=>{l+=t.$el.offsetHeight+16})),dt.offset=l,dt.open(),ut.push(dt),dt}})),pt.close=(t,s)=>{const i=ut.length;let r,l,n=-1;if(ut.forEach(((i,r)=>{t===i.id&&(l=i.$el.offsetHeight,n=r,e(s)&&s.call(i),ut.splice(r,1))})),i<=1||-1===n||n>ut.length-1)return!1;for(r=n;r{let t=ut.length-1;for(;t>=0;t-=1)ut[t].close()};const mt=(t,e)=>{let s,i=t;for(;i;)s=i.tagName.toLowerCase(),"script"!==s&&"style"!==s&&a(i,"outline-print_sibling"),i=e?i.previousElementSibling:i.nextElementSibling},ft="进入阅读模式，按 ESC 键可退出阅读模式";class gt extends N{constructor(t){super(),this.attrs=l(gt.DEFAULTS),this.anchors=null,this.drawer=null,this.chapters=null,this.toolbar=null,this.buttons=[],this.reading=!1,t&&this.initialize(t)}initialize(t){return this.attr(t),this.$emit("created",{...this.attr()}),this.render().addListeners(),this}getChapters(t=!1){return this.anchors.getChapters(t)}count(){return this.anchors.count()}render(){const t=this.attr("hasToolbar"),e=this.attr("scrollElement"),s=document.querySelector(e);return this._renderPrint()._renderAnchors()._renderChapters()._renderToolbar(),s&&t&&this.onToolbarUpdate({top:s.scrollTop,min:0,max:s.scrollHeight}),this.$emit("mounted"),this}_renderPrint(){const t=this.attr("print"),e=this.attr("articleElement");let i,r,l;return t.element?(n(e)?i=document.querySelector(e):o(e)&&(i=e),a(i,"outline-article"),l=t.element,n(l)?r=document.querySelector(l):o(l)&&(r=l),((t,e)=>{const i=document.createDocumentFragment();let r,l,h,a,c,u,d,p=e;if(n(t)?r=document.querySelector(t):o(t)&&(r=t),!r)return!1;u=J("close",{iconSet:"outline",size:20,attrs:{className:"outline-print__close"}}),a=r.querySelector("h1"),o(e)&&(a=e),o(a)&&(p=a.innerText),a=Q("h1",{className:"outline-print__title"},p),h=Q("article",{id:"outline-print__article",className:"outline-print__article"}),l=Q("section",{id:"outline-print",className:"outline-print"},[u,a,h]),document.body.appendChild(l),s((()=>{c=l.previousElementSibling,mt(c,!0),c=l.nextElementSibling,mt(c),d=r.cloneNode(!0).childNodes,d.forEach((t=>{i.appendChild(t)})),h.appendChild(i)}))})(r,t.title),this):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"),o=this.attr("chapterTextFilter");return this.anchors=new K({articleElement:t,stickyHeight:s,scrollElement:i,selector:e,showCode:r,anchorURL:l,afterScroll:n,chapterTextFilter:o}),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("animationCurrent"),n=this.attr("position"),o=this.attr("placement"),h=this.attr("afterSticky"),a=this.attr("afterToggle"),c=this.attr("afterScroll"),u=this.count();let d,p=this.attr("parentElement");return u<1||(d={scrollElement:s,showCode:r,animationCurrent:l,position:n,title:t,stickyHeight:e,chapters:this.getChapters(),afterSticky:h,afterToggle:a,afterScroll:c},"relative"===n?(this.drawer=new et({placement:o,title:t,size:"tiny",hasOffset:!0,hasPadding:!1,customClass:i,afterClosed:()=>{this.toolbar.toggle()}}),p=this.drawer.$main):d.customClass=i,d.parentElement=p,this.chapters=new it(d)),this}_renderToolbar(){const t=this.attr("hasToolbar"),s=this.attr("placement"),i=this.attr("homepage"),r=this.attr("git"),l=this.attr("tags"),n=this.attr("issues"),o=this.attr("tools"),h=this.attr("print"),a=this.count(),c={name:"homepage",icon:"homepage",size:20,link:i},u={name:"github",icon:"github",size:20,link:r},d={name:"tags",icon:"tags",size:20,link:l},p={name:"issues",icon:"issues",size:20,link:n},m={name:"menu",icon:"menu",size:18,action:{type:"click",handler:"toolbar:action:toggle"}},f={name:"reading",icon:"file",size:18,action:{type:"click",handler:"toolbar:action:reading"}},g={name:"print",icon:"print",size:20,action:{type:"click",handler:"toolbar:action:print"}},y=[];return t?(y.push({name:"up",icon:"up",size:20,action:{type:"click",handler:"toolbar:action:up"}}),a>0&&y.push(m),i&&y.push(c),r&&y.push(u),l&&y.push(d),n&&y.push(p),h.element&&(y.push(f),e(print)&&y.push(g)),o?.length>0&&y.push(...o),y.push({name:"down",icon:"down",size:20,action:{type:"click",handler:"toolbar:action:down"}}),this.buttons=[...y],this.toolbar=new ot({placement:s,buttons:y}),this):this}addButton(t){const e=this.toolbar,s=this.buttons;return s.splice(-1,0,t),e.attr({buttons:s}),e.refresh(),this}removeButton(t){return this.toolbar.remove(t),this}toTop(){const t=this.attr("afterScroll"),s=this.toolbar,i=this.chapters,r=this.count();return r>0&&(i.playing=!0),this.scrollTo(0,(()=>{s.hide("up"),s.show("down"),r>0&&(i.highlight(0),i.playing=!1),e(t)&&t.call(s,"up")})),this}toBottom(){const t=this.attr("afterScroll"),s=p(this.attr("scrollElement")),i=this.toolbar,r=this.chapters,l=this.count(),n=Math.floor(s.scrollHeight-s.clientHeight);return l>0&&(r.playing=!0),this.scrollTo(n,(()=>{i.hide("down"),i.show("up"),l>0&&(r.highlight(l-1),r.playing=!1),e(t)&&t.call(i,"bottom")})),this}scrollTo(t,e){const s=this.attr("scrollElement");return m(s,t,e),this}enterReading(){const t="outline-reading",e=`${t}_hidden`,s=document.querySelector("#outline-print"),i=document.querySelectorAll(".outline-print_sibling"),r=this.attr("print").enterReadingTip||ft;return this.reading||!s||(i.forEach((t=>{a(t,e)})),a(s,t),this.reading=!0,this.toolbar.toggle(),pt.info({round:!0,message:r}),this.$emit("enterReading")),this}exitReading(){const t="outline-reading",e=`${t}_hidden`,s=document.querySelector("#outline-print"),i=document.querySelectorAll(".outline-print_sibling");return this.reading&&s?(u(s,t),i.forEach((t=>{u(t,e)})),this.reading=!1,this.toolbar.toggle(),this.$emit("exitReading"),this):this}switchReading(){return document.querySelector("#outline-print")?(this.reading?this.exitReading():this.enterReading(),this):this}toggle(){const t=this.attr("position"),e=this.toolbar,i=this.drawer,r=this.chapters;return this.count()<1||("relative"!==t?(r.toggle(),e.highlight("menu")):(e.toggle(),s((()=>{i.toggle()})))),this}print(){return e(print)?(print(),this):this}destroy(){let t=this.anchors,e=this.chapters,s=this.drawer,i=this.toolbar,r=!1;const l=this.count(),n=document.querySelector("#outline-print");return this.$emit("beforeDestroy"),this.removeListeners(),n&&document.body.removeChild(n),l>0&&(r=e.isOutside(),e.destroy(),e=null,r&&(s.destroy(),s=null)),i.destroy(),i=null,t.destroy(),t=null,this.attr(gt.DEFAULTS),this.$emit("destroyed"),this}onToggle(){return this.toggle(),this}onScrollTop(){return this.toTop(),this}onScrollBottom(){return this.toBottom(),this}onEnterReading(){return this.switchReading(),this}onExitReading(t){return 27===t.keyCode&&this.reading&&(this.switchReading(),w(t)),this}onPrint(){return this.print(),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 {\n  return Object.prototype.toString.apply(val)\n}\n\nexport default toString\n","import toString from '../lang/toString'\n\n/**\n * 检测测试数据是否为 Function 类型\n * ========================================================================\n * @method isFunction\n * @param {*} val - （必须）待检测的数据\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\n */\nconst isFunction = (val) => {\n  return typeof val === 'function' || toString(val) === '[object Function]'\n}\n\nexport default isFunction\n","import isFunction from '../types/isFunction'\n\n/**\n * later - 延迟执行方法\n * ========================================================================\n * @method later\n * @param {Function} fn\n * @param {Number} [delay]\n * @returns {number|boolean}\n */\nconst later = (fn, delay = 300) => {\n  if (!isFunction(fn)) {\n    return false\n  }\n\n  return setTimeout(() => {\n    fn()\n  }, delay)\n}\n\nexport default later\n","import toString from '../lang/toString'\nimport isFunction from './isFunction'\n\n/**\n * 检测数据是否为 Object 类型\n * ========================================================================\n * @method isObject\n * @param {*} o\n * @returns {boolean}\n */\nconst isObject = (o) => {\n  return (\n    (toString(o) === '[object Object]' ||\n      typeof o === 'object' ||\n      isFunction(o)) &&\n    o !== null\n  )\n}\n\nexport default isObject\n","import toString from '../lang/toString'\n\n/**\n * 检测数据是否为 Array 类型\n * ========================================================================\n * @method isArray\n * @param {*} o\n * @returns {boolean}\n */\nconst isArray = (o) => {\n  if (Array.isArray) {\n    return Array.isArray(o)\n  } else {\n    return toString(o) === '[object Array]'\n  }\n}\n\nexport default isArray\n","import isObject from '../types/isObject'\r\nimport isArray from '../types/isArray'\r\n\r\n/**\r\n * 深拷贝对象函数\r\n * ========================================================================\r\n * @methods cloneDeep\r\n * @param {Object} obj - 深拷贝的对象\r\n * @returns {Array|Object|*}\r\n *\r\n * @example\r\n * const arr = cloneDeep([2,3,4,6])\r\n * => [2,3,4,6]\r\n */\r\nconst cloneDeep = (obj) => {\r\n  let clone = {}\r\n\r\n  if (obj === null) {\r\n    return null\r\n  }\r\n\r\n  if (isArray(obj)) {\r\n    clone = Array.from(obj)\r\n  } else {\r\n    clone = Object.assign({}, obj)\r\n    Object.keys(clone).forEach((key) => {\r\n      return (clone[key] = isObject(obj[key]) ? cloneDeep(obj[key]) : obj[key])\r\n    })\r\n  }\r\n\r\n  return clone\r\n}\r\n\r\nexport default cloneDeep\r\n","/**\n * 检测数据是否为 String 类型\n * ========================================================================\n * @method isArray\n * @param {*} str\n * @returns {boolean}\n */\nconst isString = (str) => {\n  return typeof str === 'string'\n}\n\nexport default isString\n","import isObject from './isObject'\n\n/**\n * 检测数据是否为 HTMLElement DOM 节点\n * ========================================================================\n * @method isElement\n * @param {*} o\n * @returns {boolean}\n */\nconst isElement = (o) => {\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\n}\n\nexport default isElement\n","import isElement from '../types/isElement'\n/**\n * 检测 DOM 节点是否包含名为 className 的样式\n * ========================================================================\n * @method hasClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst hasClass = (el, className) => {\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\n  let allClass\n  let classList\n\n  if (!isElement(el)) {\n    return false\n  }\n\n  allClass = el.className\n\n  if (!allClass) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.contains) {\n    return el.classList.contains(className)\n  }\n\n  return !!pattern.exec(allClass)\n}\n\nexport default hasClass\n","import hasClass from './hasClass'\n\n/**\n * 给 DOM 节点添加名为 className 的样式\n * ========================================================================\n * @method addClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst addClass = (el, className) => {\n  let classList\n  let allClass\n\n  if (hasClass(el, className)) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.add) {\n    classList.add(className)\n  } else {\n    allClass = el.className\n    allClass += allClass.length > 0 ? ' ' + className : className\n    el.className = allClass\n  }\n}\n\nexport default addClass\n","import isString from '../types/isString'\n\n/**\n * 清楚字符串起始位置所有的空格\n * ========================================================================\n * @method trim\n * @param {string} str\n * @returns {string|Boolean}\n */\nconst trim = (str) => {\n  if (!isString(str)) {\n    return false\n  }\n  return str.replace(/(^\\s+)|(\\s+$)/g, '')\n}\n\nexport default trim\n","import trim from '../lang/trim'\nimport hasClass from './hasClass'\n\n/**\n * 移除 DOM 节点的 className 样式\n * ========================================================================\n * @method removeClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst removeClass = (el, className) => {\n  let allClass = el.className\n  let classList\n\n  if (!allClass || !hasClass(el, className)) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.remove) {\n    classList.remove(className)\n  } else {\n    allClass = trim(allClass.replace(className, ''))\n    el.className = allClass\n  }\n}\n\nexport default removeClass\n","/**\n * 返回给定值的平方值\n * ========================================================================\n * @method easeInQuad\n * @param {Number} x\n * @returns {number}\n */\nconst easeInQuad = (x) => {\n  return x * x\n}\n\nexport default easeInQuad\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\n\n/**\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\n * ========================================================================\n * @method _getScrollElement\n * @param {String|HTMLElement} scrollElement\n * @returns {Element}\n * @private\n */\nconst _getScrollElement = (scrollElement = null) => {\n  let $rootElements\n  let $scrollElement\n\n  if (!scrollElement) {\n    $rootElements = document.querySelectorAll('html,body')\n    $scrollElement =\n      $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\n        ? $rootElements[0]\n        : $rootElements[1]\n  } else {\n    if (isString(scrollElement)) {\n      $scrollElement = document.querySelector(scrollElement)\n    } else if (isElement(scrollElement)) {\n      $scrollElement = scrollElement\n    }\n  }\n\n  return $scrollElement\n}\n\nexport default _getScrollElement\n","import easeInQuad from '../lang/easeInQuad'\nimport isFunction from '../types/isFunction'\nimport _getScrollElement from './_getScrollElement'\n\n/**\n * 指定 rootElement DOM 节点滚动到指定 top 位置\n * ========================================================================\n * @method scrollTo\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\n * @param {Number} top - （必须）滚动的 scrollTop 数值\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\n */\nconst scrollTo = (scrollElement, top, afterStop) => {\n  const $scrollElement = _getScrollElement(scrollElement)\n  let scrollTop = $scrollElement.scrollTop\n  let step = 0\n  const distance = top - scrollTop\n  const MAX_HEIGHT = $scrollElement.scrollHeight\n  const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\n  const stop = (top) => {\n    if (isFunction(afterStop)) {\n      afterStop(top)\n    }\n\n    return false\n  }\n  const play = () => {\n    step += 1\n\n    // 向上滚动\n    if (distance < 0) {\n      scrollTop -= easeInQuad(step)\n      $scrollElement.scrollTop = scrollTop\n\n      if (scrollTop <= top) {\n        $scrollElement.scrollTop = top\n        return stop(top)\n      }\n    } else {\n      scrollTop += easeInQuad(step)\n      $scrollElement.scrollTop = scrollTop\n\n      if (scrollTop >= MAX_TOP) {\n        $scrollElement.scrollTop = MAX_TOP\n        return stop(MAX_TOP)\n      }\n    }\n\n    requestAnimationFrame(play)\n  }\n\n  requestAnimationFrame(play)\n}\n\nexport default scrollTo\n","export const CAPTURE_EVENTS = [\n  'focusout',\n  'blur',\n  'focusin',\n  'focus',\n  'load',\n  'unload',\n  'mouseenter',\n  'mouseleave'\n]\n","import { CAPTURE_EVENTS } from './enum'\nimport _delete from './_delete'\n\n/**\n * （私有方法）取消 type 类型的代理事件绑定\n * ========================================================================\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\n * ========================================================================\n * @method _off\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} fn - （必须）事件处理器回调函数\n * @private\n */\nconst _off = (el, type, fn) => {\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n  /* istanbul ignore else */\n  if (fn._delegateListener) {\n    fn = fn._delegateListener\n    delete fn._delegateListener\n  }\n\n  // 移除缓存的 _listeners 数据\n  _delete(el, type, fn)\n\n  el.removeEventListener(type, fn, capture)\n}\n\nexport default _off\n","/**\n * 删除 DOM 元素缓存的 _listeners 数据\n * ========================================================================\n * @method _delete\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\n * @param {String} type - 事件类型（名称）\n * @param {Function} [fn] - 事件处理器回调函数\n */\nconst _delete = function (el, type, fn) {\n  const listeners = el._listeners\n  let index = -1\n\n  if (listeners.length < 1) {\n    return false\n  }\n\n  // 移除缓存的 _listeners 数据\n  listeners.forEach((listener, i) => {\n    const handler = listener.fn\n\n    if (type === listener.type) {\n      index = i\n\n      if (handler === fn) {\n        index = i\n      }\n    }\n  })\n\n  /* istanbul ignore else */\n  if (index > -1) {\n    listeners.splice(index, 1)\n  }\n}\n\nexport default _delete\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\nimport getListeners from './getListeners'\nimport _off from './_off'\n\n/**\n * 销毁（type 类型的）代理事件绑定\n * ========================================================================\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\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\n * ========================================================================\n * @method purgeElement\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\n * @param {String|Boolean} type - （必须）事件类型\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\n */\nconst purgeElement = function (el, type, recurse = false) {\n  const $element = isString(el) ? document.querySelector(el) : el\n  const $children = $element.childNodes\n  const listeners = getListeners($element, type)\n\n  listeners.forEach((listener) => {\n    _off($element, listener.type, listener.fn)\n  })\n\n  if (\n    (recurse || type === true || arguments.length === 1) &&\n    $element &&\n    $children\n  ) {\n    $children.forEach(($child) => {\n      if (isElement($child)) {\n        purgeElement($child, type, recurse)\n      }\n    })\n  }\n}\n\nexport default purgeElement\n","import isString from '../types/isString'\n\n/**\n * 获取 DOM 元素（type 事件类型）事件绑定信息\n * ========================================================================\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\n * ========================================================================\n * @methods getListeners\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\n * @param {String} [type] - （可选）事件类型\n * @returns {Array} - 已绑定的事件信息\n */\nconst getListeners = (el, type) => {\n  let listeners = el._listeners || []\n\n  if (isString(type) && type) {\n    listeners = listeners.filter((listener) => {\n      return listener.type === type\n    })\n  }\n\n  return listeners\n}\n\nexport default getListeners\n","import purgeElement from './purgeElement'\nimport isFunction from '../types/isFunction'\nimport _off from './_off'\n\n/**\n * 取消 type 类型的代理事件绑定\n * ========================================================================\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\n * ========================================================================\n * @method off\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} [fn] - （可选）事件处理器回调函数\n */\nconst off = (el, type, fn) => {\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\n  if (!isFunction(fn)) {\n    return purgeElement(el, type)\n  }\n\n  _off(el, type, fn)\n}\n\nexport default off\n","import isFunction from '../types/isFunction'\nimport off from './off'\n\nimport { CAPTURE_EVENTS } from './enum'\n\n/**\n * 绑定事件\n * ========================================================================\n * @method at\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\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\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，\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\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\n * @param {Boolean} once - （可选）是否仅触发一次\n */\nconst at = (el, type, fn, data, context, once = false) => {\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n  const listener = function (evt) {\n    let overrideContext = context || el\n\n    // 当设置为 true 时，则事件处理器回调函数的\n    // this 上下文指向为 data 对象\n    if (context === true) {\n      overrideContext = data\n    }\n\n    // 仅触发一次\n    /* istanbul ignore else */\n    if (once === true) {\n      off(el, type, listener)\n    }\n\n    fn.call(overrideContext, evt, data)\n  }\n\n  if (!isFunction(fn)) {\n    return false\n  }\n\n  if (!el._listeners) {\n    el._listeners = []\n  }\n\n  // 缓存 options 元素绑定的事件处理器\n  el._listeners.push({\n    el,\n    type,\n    fn: listener,\n    data,\n    context,\n    capture\n  })\n\n  // 缓存包装后的事件处理器\n  fn._delegateListener = listener\n\n  el.addEventListener(type, listener, capture)\n}\n\nexport default at\n","/**\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\n * ========================================================================\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\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\n * 标 DOM 元素是否为事件代理所期望触发的目标。\n * ========================================================================\n * @method matches\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\n * @returns {Boolean}\n */\nconst matches = (el, selector = '') => {\n  const sel = selector.replace(/^>/i, '')\n\n  if (!selector || !sel || !el) {\n    return false\n  }\n\n  /* istanbul ignore else */\n  if (el.matches) {\n    return el.matches(sel)\n  } else if (el.msMatchesSelector) {\n    return el.msMatchesSelector(sel)\n  } else {\n    return false\n  }\n}\n\nexport default matches\n","/**\n * 获取 DOM 元素的父节点\n * ========================================================================\n * @method getParentOrHost\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\n * @returns {*|HTMLElement}\n */\nconst getParentOrHost = (el) => {\n  return el.host && el !== document && el.host.nodeType\n    ? el.host\n    : el.parentNode\n}\n\nexport default getParentOrHost\n","import closest from '../dom/closest'\nimport off from './off'\nimport getTarget from './getTarget'\n\nimport { CAPTURE_EVENTS } from './enum'\n\n/**\n * 绑定代理事件\n * ========================================================================\n * @method on\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\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\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，\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\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\n * @param {Boolean} once - （可选）是否仅触发一次\n */\nconst on = (el, selector, type, fn, data, context, once = false) => {\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n  const listener = function (evt) {\n    const target = getTarget(evt)\n    // 通过 Element.matches 方法获得点击的目标元素\n    const delegateTarget = closest(target, selector, el)\n    let overrideContext = context || el\n\n    evt.delegateTarget = delegateTarget\n\n    // 当设置为 true 时，则事件处理器回调函数的\n    // this 上下文指向为 data 对象\n    if (context === true) {\n      overrideContext = data\n    }\n\n    /* istanbul ignore else */\n    if (delegateTarget) {\n      // 仅触发一次\n      /* istanbul ignore else */\n      if (once === true) {\n        off(el, type, listener)\n      }\n\n      fn.call(overrideContext, evt, data)\n    }\n  }\n\n  if (!el._listeners) {\n    el._listeners = []\n  }\n\n  // 缓存 options 元素绑定的事件处理器\n  el._listeners.push({\n    el,\n    selector,\n    type,\n    fn: listener,\n    data,\n    context,\n    capture\n  })\n\n  // 缓存包装后的事件处理器\n  fn._delegateListener = listener\n\n  el.addEventListener(type, listener, capture)\n}\n\nexport default on\n","import resolveTextNode from '../dom/resolveTextNode'\n\n/**\n * 返回触发事件的 target DOM 元素\n * ========================================================================\n * @method getTarget\n * @param {Event} evt - Event 对象\n * @return {HTMLElement} - Event 对象的 target DOM 元素\n */\nconst getTarget = function (evt) {\n  const target = evt.target\n\n  return resolveTextNode(target)\n}\n\nexport default getTarget\n","/**\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。\n * resolveTextNode() 方法则会返回实际的目标节点。\n * ========================================================================\n * @method resolveTextNode\n * @param {HTMLElement|Text} el - 要解析的节点\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\n */\nconst resolveTextNode = function (el) {\n  if (el && el.nodeType === 3) {\n    return el.parentNode\n  }\n\n  return el\n}\n\nexport default resolveTextNode\n","import matches from './matches'\nimport getParentOrHost from './getParentOrHost'\n\n/**\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\n * ========================================================================\n * @method closest\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）DOM 元素的选择其\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\n */\nconst closest = (el, selector, ctx, includeCTX) => {\n  const context = ctx || document\n\n  if (!el) {\n    return null\n  }\n\n  do {\n    /* istanbul ignore else */\n    if (\n      (selector != null &&\n        (selector.startsWith('>')\n          ? el.parentNode === context && matches(el, selector)\n          : matches(el, selector))) ||\n      (includeCTX && el === context)\n    ) {\n      return el\n    }\n\n    /* istanbul ignore else */\n    if (el === context) {\n      break\n    }\n\n    /* jshint boss:true */\n  } while ((el = getParentOrHost(el)))\n}\n\nexport default closest\n","/**\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\n * ========================================================================\n * @method stop\n * @param {Event} evt - 事件对象\n *\n * @example\n * 
\n *   Service\n *   Help\n * 
\n *\n * const $nav = document.querySelector('#nav')\n * const $service = document.querySelector('.anchor')\n *\n * on($nav, 'click', function(evt) {\n *   console.log('你点击了导航栏')\n * })\n *\n * on($anchor, 'click', function(evt) {\n *   console.log('tagName', this.tagName)\n *\n *   // 工作台输出：'a'\n *   // 不会触发事件冒泡，输出：'你点击了导航栏'\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\n *   stopEvent(evt)\n * })\n */\nconst stop = function (evt) {\n  evt.stopPropagation()\n  evt.preventDefault()\n}\n\nexport default stop\n","/**\n * 检测对象自身属性中是否具有指定的属性。\n * ========================================================================\n * @method hasOwn\n * @param {Object} obj - （必须）检测的目标对象\n * @param {String} prop - （必须）属性名\n * @returns {Boolean}\n */\nconst hasOwn = (obj, prop) => {\n  const hasOwnProperty = Object.prototype.hasOwnProperty\n  return obj && hasOwnProperty.call(obj, prop)\n}\n\nexport default hasOwn\n","import hasOwn from './hasOwn'\n\n/**\n * 扩展对象\n * ========================================================================\n * @method extend\n * @param {Object} origin\n * @param {Object} source\n */\nconst extend = (origin, source) => {\n  const keys = Object.keys(source)\n\n  keys.forEach((prop) => {\n    if (hasOwn(source, prop)) {\n      origin[prop] = source[prop]\n    }\n  })\n}\n\nexport default extend\n","/**\n * 存储订阅者（主题和处理器的）私有对象\n * ========================================================================\n * @type {{}}\n * @private\n */\nconst _subscribers = {}\n\nexport default _subscribers\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\n * ========================================================================\n * @method _hasDirectSubscribersFor\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasDirectSubscribersFor = (topic) => {\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\n}\n\nexport default _hasDirectSubscribersFor\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\nimport _hasSubscribers from './_hasSubscribers'\n\n/**\n * 判断是否存在包含 topic 指定的订阅者信息\n * ========================================================================\n * @method has\n * @param {String} topic - （必须）主题名称\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\n * @returns {Boolean}\n */\nconst has = (topic, isDirect = true) => {\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\n}\n\nexport default has\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * 判断是否存在包含给定 topic 相关的订阅者信息\n * ========================================================================\n * @method _hasSubscribers\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasSubscribers = (topic) => {\n  let found = _hasDirectSubscribersFor(topic)\n  let position = topic.lastIndexOf('.')\n\n  while (!found && position !== -1) {\n    topic = topic.substring(0, position)\n    position = topic.lastIndexOf('.')\n    found = _hasDirectSubscribersFor(topic)\n  }\n\n  return found\n}\n\nexport default _hasSubscribers\n","import isTypedArray from '../types/isTypedArray'\nimport _subscribers from './_subscribers'\nimport has from './has'\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * （异步）发布订阅主题信息\n * ========================================================================\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。\n * ========================================================================\n * @method emit\n * @param {String} topic - （必须）主题名称\n * @param {Object} [data] - （可选）数据对象\n * @param {Boolean} [async] - (可选) 是否异步发布\n */\nconst emit = (topic, data, async = true) => {\n  const execute = (topic) => {\n    if (!_hasDirectSubscribersFor(topic)) {\n      return false\n    }\n\n    _subscribers[topic].forEach((subscriber) => {\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\n      // 采用 toString() 方法转化为普通（JSON）字符串\n      const message = isTypedArray(data) ? data.toString() : data\n\n      subscriber.callback.call(subscriber.context || subscriber, message)\n    })\n  }\n  const deliver = () => {\n    let subscriber = topic\n    let position = topic.lastIndexOf('.')\n\n    while (position !== -1) {\n      subscriber = subscriber.substring(0, position)\n      position = subscriber.lastIndexOf('.')\n\n      execute(subscriber)\n    }\n\n    // 执行 topic 对应的处理器\n    execute(topic)\n    // 执行特殊 topic：'*'（监听全部消息的发布）\n    execute('*')\n  }\n\n  if (!has(topic)) {\n    return false\n  }\n\n  if (async) {\n    setTimeout(deliver, 10)\n  } else {\n    deliver()\n  }\n}\n\nexport default emit\n","import toString from '../lang/toString'\n/**\n * 判断检测数据是否为 Typed Arrays 类型的数据\n * ========================================================================\n * @param {*} val\n * @returns {boolean}\n */\nconst isTypedArray = (val) => {\n  const TYPES = [\n    '[object Int8Array]',\n    '[object Uint8Array]',\n    '[object Uint8ClampedArray]',\n    '[object Int16Array]',\n    '[object Uint16Array]',\n    '[object Int32Array]',\n    '[object Uint32Array]',\n    '[object Float32Array]',\n    '[object Float64Array]',\n    '[object BigInt64Array]',\n    '[object BigUint64Array]'\n  ]\n\n  return TYPES.indexOf(toString(val)) > -1\n}\n\nexport default isTypedArray\n","/**\n * 生成唯一 id 字符串的函数\n * ========================================================================\n * @method guid\n * @param {String} [prefix] - 生成 id 的前缀字符串\n * @return {String} 返回一个表示唯一 id 的字符串\n */\nconst guid = (() => {\n  let uuid = 0\n\n  return (prefix) => {\n    uuid += 1\n\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\n  }\n})()\n\nexport default guid\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 删除与给定 topic 相同的订阅者信息\n * ========================================================================\n * @method _removeSubscriber\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _removeSubscriber = (topic) => {\n  if (!hasOwn(_subscribers, topic)) {\n    return false\n  }\n\n  delete _subscribers[topic]\n}\n\nexport default _removeSubscriber\n","import has from './has'\nimport _removeSubscriber from './_removeSubscriber'\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\n\n/**\n * 取消订阅主题\n * ========================================================================\n * @method off\n * @param {String} topic - （必须）订阅的主题\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\n */\nconst off = (topic, token) => {\n  if (!has(topic)) {\n    return false\n  }\n\n  if (token) {\n    _removeSubscriberByToken(token)\n  } else {\n    _removeSubscriber(topic)\n  }\n}\n\nexport default off\n","import _subscribers from './_subscribers'\nimport _removeSubscriber from './_removeSubscriber'\n\n/**\n * 通过订阅者 token 值删除订阅者信息\n * ========================================================================\n * @method _removeSubscriberByToken\n * @param {String} token - 订阅者 token 字符串\n * @returns {boolean}\n * @private\n */\nconst _removeSubscriberByToken = (token) => {\n  const keys = Object.keys(_subscribers)\n  let index = -1\n\n  if (!token || keys.length < 1) {\n    return false\n  }\n\n  keys.forEach((subject) => {\n    const subscriber = _subscribers[subject]\n    let topic\n\n    subscriber.forEach((execution, j) => {\n      if (execution.callback === token || execution.token === token) {\n        topic = execution.topic\n        subscriber.splice(index, j)\n      }\n    })\n\n    /* istanbul ignore else */\n    if (subscriber.length < 1) {\n      _removeSubscriber(topic)\n    }\n  })\n}\n\nexport default _removeSubscriberByToken\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\nimport publish from './utils/observer/emit'\r\nimport subscribe from './utils/observer/on'\r\nimport unsubscribe from './utils/observer/off'\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  $emit(event, data) {\r\n    publish(event, data)\r\n    return this\r\n  }\r\n\r\n  $on(event, callback) {\r\n    subscribe(event, callback, this)\r\n    return this\r\n  }\r\n\r\n  $off(event, callback) {\r\n    unsubscribe(event, callback)\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 _subscribers from './_subscribers'\nimport isFunction from '../types/isFunction'\nimport guid from '../lang/guid'\n\n/**\n * 订阅主题，并给出处理器函数\n * ========================================================================\n * @method on\n * @param {String} topic - （必须）主题名称\n * @param {Function} handler - （必须）主题的处理器函数\n * @param {Object} [context] - （可选）指定 this 执行上下文\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\n */\nconst on = (topic, handler, context = null) => {\n  const token = guid()\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\n\n  if (!isFunction(handler)) {\n    return ''\n  }\n\n  /* istanbul ignore else */\n  if (!_subscribers[subject]) {\n    _subscribers[subject] = []\n  }\n\n  _subscribers[subject].push({\n    topic: subject,\n    callback: handler,\n    context,\n    token\n  })\n\n  return token\n}\n\nexport default on\n","/**\n * timeSlice.js 时间切片功能函数\n * ====================================================\n * Created By: Yaohaixiao\n * Update: 2023.09.04\n */\nimport isFunction from '../types/isFunction'\nimport later from './later'\n\nconst queue = []\nlet isHandling\nlet done\n\n// Shim from https://developers.google.com/web/updates/2015/08/using-requestidlecallback\nif (typeof window.requestIdleCallback === 'undefined') {\n  window.requestIdleCallback = function (cb) {\n    const start = Date.now()\n    return later(function () {\n      cb({\n        didTimeout: false,\n        timeRemaining: function () {\n          return Math.max(0, 50 - (Date.now() - start))\n        }\n      })\n    }, 10)\n  }\n\n  window.cancelIdleCallback = function (id) {\n    clearTimeout(id)\n  }\n}\n\nfunction runIdle(idleDeadline) {\n  while (idleDeadline.timeRemaining() > 0 && queue.length) {\n    const fn = queue.shift()\n\n    if (!isFunction(fn)) {\n      return false\n    }\n\n    fn()\n  }\n\n  if (queue.length) {\n    isHandling = requestIdleCallback(runIdle)\n  } else {\n    isHandling = 0\n\n    if (isFunction(done)) {\n      done()\n      done = null\n    }\n  }\n}\n\n/**\n * 时间切片功能函数：主要用于优化长时任务的性能，将长时任务分解成\n * 多个短时间任务\n * ====================================================\n * @param {Function} fn - 需要在空闲时执行的回调函数\n * @param {Function} afterComplete - queen 的\n * @return {(function(): (boolean|undefined))|*|boolean}\n */\nconst timeSlice = (fn, afterComplete = null) => {\n  queue.push(fn)\n\n  if (isFunction(afterComplete)) {\n    done = afterComplete\n  }\n\n  if (!isHandling) {\n    requestIdleCallback(runIdle)\n  }\n}\n\nexport default timeSlice\n","/**\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\n * ========================================================================\n * @method offsetTop\n * @param {HTMLElement} el - DOM 节点\n * @returns {Number}\n */\nconst offsetTop = (el) => {\n  let top = el.offsetTop\n\n  if (el.offsetParent !== null) {\n    top += offsetTop(el.offsetParent)\n  }\n\n  return top\n}\n\nexport default offsetTop\n","import DEFAULTS from './defaults'\n\nconst SYMBOLS = [...DEFAULTS]\n\nexport default SYMBOLS\n","const DEFAULTS = [\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  ''\n]\n\nexport default DEFAULTS\n","import isString from '../types/isString'\nimport getSymbol from './getSymbol'\nimport SYMBOLS from './symbols'\n\n/**\n *\n * @method getSymbols\n * @param {String} [name]\n * @param {String} [iconSet]\n * @returns {string[]|*}\n */\nconst getSymbols = (name, iconSet = 'icon') => {\n  if (isString(name)) {\n    return getSymbol(name, iconSet)\n  }\n\n  return [...SYMBOLS]\n}\n\nexport default getSymbols\n","import SYMBOLS from './symbols'\n\n/**\n * @method getSymbol\n * @param {String} name\n * @param {String} [iconSet]\n * @returns {String}\n */\nconst getSymbol = (name, iconSet = 'icon') => {\n  const patternName = /id=\"(.*?)\"/\n  const patternSet = /^(\\w+)-/\n  const symbols = SYMBOLS\n\n  return symbols.find((symbol) => {\n    const names = patternName.exec(symbol)\n    const fullName = names[1]\n    const sets = patternSet.exec(fullName)\n    const setName = sets[1]\n    const iconName =\n      iconSet === 'icon' ? `${iconSet}-${name}` : `${iconSet}-icon-${name}`\n\n    return setName === iconSet && fullName === iconName\n  })\n}\n\nexport default getSymbol\n","import add from './add'\nimport getSymbols from './getSymbols'\n\n/**\n * 绘制 SVG 图标集\n * ========================================================================\n * @method paint\n * @param {String|Array} symbol\n */\nconst paint = (symbol = '') => {\n  const $body = document.body\n  let $icons = document.querySelector('#outline-icons')\n  let symbols = []\n\n  add(symbol)\n  symbols = getSymbols()\n\n  if ($icons) {\n    $icons.innerHTML = symbols.join('')\n  } else {\n    $icons = document.createElement('div')\n    $icons.innerHTML =\n      ``\n    $body.insertBefore($icons.firstChild, $body.firstChild)\n  }\n}\n\nexport default paint\n","import isArray from '../types/isArray'\nimport isString from '../types/isString'\nimport SYMBOLS from './symbols'\n\n/**\n * @method add\n * @param {Array|String} symbols\n * @return {Boolean}\n */\nconst add = (symbols) => {\n  if (!symbols) {\n    return false\n  }\n\n  if (isArray(symbols) && symbols.length > 0) {\n    symbols.forEach((symbol) => {\n      /* istanbul ignore else */\n      if (SYMBOLS.indexOf(symbol) === -1 && isString(symbol)) {\n        SYMBOLS.push(symbol)\n      }\n    })\n  } else {\n    /* istanbul ignore else */\n    if (isString(symbols)) {\n      SYMBOLS.push(symbols)\n    }\n  }\n}\n\nexport default add\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'\nimport isObject from './isObject'\n\nconst isFragment = (fragment) => {\n  return !!(\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\n  )\n}\n\nexport default isFragment\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","/**\n * 给 DOM 节点设置属性/值\n * ========================================================================\n * @method setAttribute\n * @param {HTMLElement} el - DOM 节点\n * @param {String} attr - 属性名称\n * @param {String|Number|Boolean} value - 属性值\n */\nconst setAttribute = (el, attr, value) => {\n  let tagName = el.tagName.toLowerCase()\n\n  switch (attr) {\n    case 'style':\n      el.style.cssText = value\n      break\n    case 'value':\n      if (tagName === 'input' || tagName === 'textarea') {\n        el.value = value\n      } else {\n        el.setAttribute(attr, value)\n      }\n      break\n    case 'htmlFor':\n      el.setAttribute('for', value)\n      break\n    case 'className':\n      el.className = value\n      break\n    case 'innerHTML':\n      el.innerHTML = value\n      break\n    case 'innerText':\n      el.innerText = value\n      break\n    default:\n      el.setAttribute(attr, value)\n      break\n  }\n}\n\nexport default setAttribute\n","import isObject from '../types/isObject'\nimport hasOwn from '../lang/hasOwn'\nimport setAttribute from './setAttribute'\n\nconst setAttributes = (el, attrs) => {\n  if (!el || !isObject(attrs)) {\n    return false\n  }\n\n  Object.keys(attrs).forEach((attr) => {\n    const value = attrs[attr]\n    if (hasOwn(attrs, attr)) {\n      setAttribute(el, attr, value)\n    }\n  })\n}\n\nexport default setAttributes\n","import isObject from '../types/isObject'\nimport isString from '../types/isString'\nimport isArray from '../types/isArray'\nimport isDOM from '../types/isDOM'\nimport setAttributes from './setAttributes'\n\n/**\n * 创建 DOM 节点，并添加属性和子节点\n * ========================================================================\n * @method createElement\n * @param {String} tagName - 标签名称\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\n * @returns {HTMLElement}\n */\nconst createElement = (tagName, attrs, children) => {\n  const $fragment = document.createDocumentFragment()\n  const $el = document.createElement(tagName)\n  const isValidChild = (child) => {\n    return isDOM(child) || isString(child)\n  }\n  const append = (child) => {\n    let $child\n\n    if (!isValidChild(child)) {\n      return false\n    }\n\n    if (isDOM(child)) {\n      $child = child\n    } else if (isString(child)) {\n      $child = document.createTextNode(child)\n    }\n\n    $fragment.appendChild($child)\n  }\n\n  if (isObject(attrs)) {\n    setAttributes($el, attrs)\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\n    attrs.forEach((child) => {\n      append(child)\n    })\n  } else if (isDOM(attrs)) {\n    append(attrs)\n  } else if (isString(attrs)) {\n    append(document.createTextNode(attrs))\n  }\n\n  if (isArray(children)) {\n    children.forEach((child) => {\n      append(child)\n    })\n  } else {\n    append(children)\n  }\n\n  $el.appendChild($fragment)\n\n  return $el\n}\n\nexport default createElement\n","import isArray from '../types/isArray'\nimport isString from '../types/isString'\nimport isSVG from '../types/isSVG'\nimport setAttributes from '../dom/setAttributes'\n\n/**\n * 创建 SVG 图标 DOM 元素\n * ========================================================================\n * @method createElement\n * @param {String} name\n * @param {Object} [options]\n * @param {Number|Array} [options.size]\n * @param {String} [options.color]\n * @param {String} [options.iconSet]\n * @param {Object} [options.attrs]\n * @returns {HTMLElement}\n */\nconst createElement = (name, options = {}) => {\n  const ICON = 'outline-icon'\n  const size = options.size || 0\n  const color = options.color || ''\n  const iconSet = options.iconSet || ''\n  const width = isArray(size) ? size[0] : size\n  const height = isArray(size) ? size[1] : size\n  const defaultRules = size ? `width:${width}px;height:${height}px;` : ''\n  const cssRules = color ? defaultRules + `color:${color}` : defaultRules\n  const attrs = options.attrs || {}\n  const $icon = document.createElement('i')\n  let binds = ''\n  let svg = ''\n  let $svg\n\n  if (!isString(name)) {\n    return null\n  }\n\n  if (isSVG(name)) {\n    svg = name\n  } else {\n    binds =\n      iconSet && iconSet !== 'icon'\n        ? `xlink:href=\"#${iconSet}-icon-${name}\"`\n        : `xlink:href=\"#icon-${name}\"`\n    svg = ``\n  }\n\n  $icon.innerHTML = svg\n\n  if (attrs.className) {\n    attrs.className = `${ICON} ${attrs.className}`\n  } else {\n    attrs.className = ICON\n  }\n\n  setAttributes($icon, attrs)\n\n  $svg = $icon.querySelector('svg')\n  setAttributes($svg, {\n    'aria-hidden': true,\n    xmlns: 'http://www.w3.org/2000/svg',\n    class: 'outline-icon__svg',\n    width: 200,\n    height: 200,\n    style: cssRules\n  })\n\n  return $icon\n}\n\nexport default createElement\n","import isString from './isString'\n\nconst isSVG = (str) => {\n  const declaration = '(?:<\\\\?xml[^>]*>\\\\s*)?'\n  const doctype =\n    '(?:<\\\\!doctype svg[^>]*\\\\s*(?:\\\\[?(?:\\\\s*]*>\\\\s*)*\\\\]?)*[^>]*>\\\\s*)?'\n  const content = ']*>[^]*<\\\\/svg>\\\\s*$'\n  const svg = `^\\\\s*${declaration}${doctype}${content}\\\\s*$`\n  const pattern = new RegExp(svg, 'i')\n\n  return isString(str) && pattern.test(str)\n}\n\nexport default isSVG\n","import createElement from './createElement'\n\n/**\n * 创建 SVG 图标 DOM 元素\n * ========================================================================\n * @method icon\n * @alias createElement\n * @see createElement\n * @param {String} name\n * @param {Object} [options]\n * @param {Number|Array} [options.size]\n * @param {String} [options.color]\n * @param {String} [options.iconSet]\n * @returns {HTMLElement}\n */\nconst icon = (name, options = {}) => {\n  return createElement(name, options)\n}\n\nexport default icon\n","import removeClass from './utils/dom/removeClass'\nimport isEmpty from './utils/types/isEmpty'\nimport trim from './utils/lang/trim'\n\nconst _resetHeading = ($heading, hasAnchor = true, isAtStart = true) => {\n  const CLS_HEADING = 'outline-heading'\n  const text = $heading.innerHTML\n  const pattern = /^\\d+(\\.?\\d+)*\\s?/gi\n  let $anchor\n\n  $heading.innerHTML = text.replace(pattern, '')\n  $heading.removeAttribute('id')\n  $heading.removeAttribute('data-id')\n\n  removeClass($heading, CLS_HEADING)\n\n  if (!hasAnchor) {\n    return false\n  }\n\n  $anchor = $heading.querySelector(`.${CLS_HEADING}__anchor`)\n\n  if (isAtStart) {\n    removeClass($heading, `${CLS_HEADING}_start`)\n  }\n\n  if (isEmpty(trim($heading.className))) {\n    $heading.removeAttribute('class')\n  }\n\n  $heading.removeChild($anchor)\n}\n\nexport default _resetHeading\n","import isString from './isString'\n/**\n * 检测数据是否为空字符串\n * ========================================================================\n * @method isEmpty\n * @param {String} str\n * @returns {boolean}\n */\nconst isEmpty = (str) => {\n  return isString(str) && str === ''\n}\n\nexport default isEmpty\n","import trim from './utils/lang/trim'\nimport stripTags from './utils/lang/stripTags'\nimport isFunction from './utils/types/isFunction'\n\nimport _getChapterParentIdByDiffer from './_getChapterParentIdByDiffer'\nimport _getChaptersWithCode from './_getChaptersWithCode'\n\n/**\n * 根据文章中的 h1~h6 标签，自动分析返回文章章节数据\n * ========================================================================\n * @method getChapters\n * @param {Array} headings\n * @param {Boolean} [showCode]\n * @param {Function} [chapterTextFilter]\n * @return {*|*[]}\n */\nconst getChapters = (headings, showCode = true, chapterTextFilter = null) => {\n  let previous = 1\n  let level = 0\n  let text = ''\n  const chapters = []\n\n  headings.forEach((heading, i) => {\n    const tagName = heading.tagName\n    const headingLevel = tagName.replace(/h/i, '')\n    let current = parseInt(headingLevel, 10)\n    let pid = -1\n\n    // 场景1：当前标题是前一个标题的子标题\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；\n    // h2 （前一个标题）\n    // h3 （当前标题）\n    if (current > previous) {\n      level += 1\n\n      // 第一层级的 pid 是 -1\n      if (level === 1) {\n        pid = -1\n      } else {\n        pid = i - 1\n      }\n    }\n    // 场景2：当前标题和前一个标题层级相同\n    // 当前标题的（标题标签）序号 = 前一个标题的序号\n    // h2 （前一个标题）\n    // h2 （当前标题）\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\n    // h2\n    // h4 （前一个标题）\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）\n    else if (current === previous || (current < previous && current > level)) {\n      // H1 的层级肯定是 1\n      if (current === 1) {\n        level = 1\n        pid = -1\n      } else {\n        pid = chapters[i - 1].pid\n      }\n    }\n    // 场景3：当前标题比前一个标题层级高\n    else if (current <= level) {\n      // H1 的层级肯定是 1\n      if (current === 1) {\n        level = 1\n      } else {\n        level = level - (previous - current)\n\n        if (level <= 1) {\n          level = 1\n        }\n      }\n\n      // 第一级的标题\n      if (level === 1) {\n        pid = -1\n      } else {\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\n        pid = _getChapterParentIdByDiffer(chapters, previous - current, i)\n      }\n    }\n\n    previous = current\n\n    text = stripTags(trim(heading.innerHTML))\n\n    if (isFunction(chapterTextFilter)) {\n      text = chapterTextFilter(text)\n    }\n\n    chapters.push({\n      id: i,\n      pid: pid,\n      level: level,\n      rel: `heading-${i}`,\n      text,\n      tagName\n    })\n  })\n\n  return showCode ? _getChaptersWithCode(chapters) : chapters\n}\n\nexport default getChapters\n","import isString from '../types/isString'\n\n/**\n * 过滤所有 HTML 标签\n * ========================================================================\n * @method stripTags\n * @param {string} str\n * @returns {string}\n */\nconst stripTags = (str) => {\n  if (!isString(str)) {\n    return ''\n  }\n  return str.replace(/<\\/?[^>]+(>|$)/g, '')\n}\n\nexport default stripTags\n","const _getChapterParentIdByDiffer = (chapters, differ, index) => {\n  let previous = chapters[index - 1]\n  let pid\n  let i\n\n  for (i = 0; i < differ; i += 1) {\n    pid = previous.pid\n    previous = chapters[pid]\n  }\n\n  pid = previous.pid\n\n  return pid\n}\n\nexport default _getChapterParentIdByDiffer\n","import isArray from './utils/types/isArray'\n\nconst _getChaptersWithCode = (chapters) => {\n  const groups = {}\n  const cb = (o) => {\n    return [o.pid]\n  }\n\n  chapters.forEach((o) => {\n    const group = JSON.stringify(cb(o))\n\n    groups[group] = groups[group] || []\n    groups[group].push(o)\n\n    o.index = groups[group].length\n    if (o.pid === -1) {\n      o.code = String(o.index)\n    }\n  })\n\n  Object.keys(groups).forEach((group) => {\n    groups[group].forEach((c) => {\n      const subjects = groups[`[${c.id}]`]\n      if (!subjects || !isArray(subjects)) {\n        return false\n      }\n      subjects.forEach((o) => {\n        o.code = c.code + '.' + o.index\n      })\n    })\n  })\n\n  return chapters\n}\n\nexport default _getChaptersWithCode\n","import isString from './utils/types/isString'\nimport isFunction from './utils/types/isFunction'\nimport isElement from './utils/types/isElement'\nimport timeSlice from './utils/lang/timeSlice'\nimport toTree from './utils/lang/toTree'\nimport later from './utils/lang/later'\nimport scrollTo from './utils/dom/scrollTo'\nimport _getScrollElement from './utils/dom/_getScrollElement'\nimport offsetTop from './utils/dom/offsetTop'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport stop from './utils/event/stop'\nimport paint from './utils/icons/paint'\n\nimport _updateHeading from './_updateHeading'\nimport _resetHeading from './_resetHeading'\nimport getChapters from './getChapters'\n\nimport Base from './base'\n\nclass Anchors extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = Anchors.DEFAULTS\n    this.$articleElement = null\n    this.$scrollElement = null\n    this.$headings = []\n    this.chapters = []\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    const showCode = this.attr('showCode') || true\n    let created\n    let scrollElement\n    let selector\n    let $articleElement\n    let articleElement\n\n    this.attr(options)\n    articleElement = this.attr('articleElement')\n    scrollElement = this.attr('scrollElement')\n    selector = this.attr('selector')\n    created = this.attr('created')\n\n    if (isString(articleElement)) {\n      $articleElement = document.querySelector(articleElement)\n    } else if (isElement(articleElement)) {\n      $articleElement = articleElement\n    }\n\n    if (!$articleElement) {\n      return this\n    }\n\n    this.$articleElement = $articleElement\n    this.$scrollElement = _getScrollElement(scrollElement)\n    this.$headings = [...$articleElement.querySelectorAll(selector)]\n\n    if (this.$headings.length < 1) {\n      return this\n    }\n\n    this.chapters = getChapters(\n      this.$headings,\n      showCode,\n      this.attr('chapterTextFilter')\n    )\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    this.render().addListeners()\n\n    return this\n  }\n\n  getChapters(isTreeStructured = false) {\n    const chapters = this.chapters\n    return isTreeStructured ? toTree(chapters, 'id', 'pid') : chapters\n  }\n\n  count() {\n    return this.chapters.length\n  }\n\n  render() {\n    const LIMIT = 400\n    const mounted = this.attr('mounted')\n    const hasAnchor = this.attr('hasAnchor')\n    const isAtStart = this.attr('isAtStart')\n    const showCode = this.attr('showCode')\n    const anchorURL = this.attr('anchorURL')\n    const count = this.count()\n    const $headings = [...this.$headings]\n    const chapters = this.getChapters()\n    const update = (headings, group) => {\n      headings.forEach(($heading, i) => {\n        const id = i + group * LIMIT\n        const chapterCode = chapters[id].code\n        _updateHeading($heading, id, {\n          hasAnchor,\n          isAtStart,\n          showCode,\n          chapterCode,\n          anchorURL\n        })\n      })\n    }\n    let groupIndex = -1\n\n    paint()\n\n    // 针对超长的文章，进行 timeSlice 处理\n    if (count > LIMIT) {\n      groupIndex += 1\n      // 同步绘制 Limit 以内的标题链接（可以确保 50ms 完成绘制）\n      update($headings.splice(0, LIMIT), 0)\n      // 采用 timeSlice 处理机制绘制剩余的标题\n      while ($headings.length > 0) {\n        const once = $headings.splice(0, LIMIT)\n        timeSlice(\n          () => {\n            update(once, (groupIndex += 1))\n          },\n          () => {\n            this.$emit('anchors:all:paint')\n          }\n        )\n      }\n    } else {\n      update($headings, 0)\n    }\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    return this\n  }\n\n  scrollTo(top, after) {\n    const el = this.$scrollElement\n\n    scrollTo(el, top, after)\n\n    return this\n  }\n\n  destroy() {\n    const hasAnchor = this.attr('hasAnchor')\n    const isAtStart = this.attr('isAtStart')\n    const beforeDestroy = this.attr('beforeDestroy')\n    const afterDestroy = this.attr('afterDestroy')\n    const $headings = this.$headings\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n    $headings.forEach(($heading) => {\n      _resetHeading($heading, hasAnchor, isAtStart)\n    })\n\n    this.attr(Anchors.DEFAULTS)\n    this.$articleElement = null\n    this.$scrollElement = null\n    this.$headings = []\n    this.chapters = []\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    return this\n  }\n\n  onAnchorTrigger(evt) {\n    const anchorURL = this.attr('anchorURL')\n    const afterScroll = this.attr('afterScroll')\n    const stickyHeight = this.attr('stickyHeight')\n    const $anchor = evt.delegateTarget\n    const $heading = $anchor.parentNode\n    const top = offsetTop($heading) - (stickyHeight + 10)\n    const $scrollElement = this.$scrollElement\n    const min = 0\n    const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\n    const after = () => {\n      if (isFunction(afterScroll)) {\n        afterScroll.call(this, 'anchor')\n      }\n\n      later(() => {\n        this.$emit('toolbar:update', {\n          top,\n          min,\n          max\n        })\n      })\n    }\n\n    this.scrollTo(top, after)\n\n    if (!anchorURL) {\n      stop(evt)\n    }\n\n    return this\n  }\n\n  addListeners() {\n    const $articleElement = this.$articleElement\n\n    on(\n      $articleElement,\n      '.outline-heading__anchor',\n      'click',\n      this.onAnchorTrigger,\n      this,\n      true\n    )\n\n    return this\n  }\n\n  removeListeners() {\n    const $articleElement = this.$articleElement\n\n    off($articleElement, 'click', this.onAnchorTrigger)\n\n    return this\n  }\n}\n\nAnchors.DEFAULTS = {\n  scrollElement: 'html,body',\n  articleElement: '#article',\n  selector: 'h1,h2,h3,h4,h5,h6',\n  stickyHeight: 0,\n  anchorURL: '',\n  hasAnchor: true,\n  isAtStart: true,\n  showCode: false,\n  created: null,\n  mounted: null,\n  afterScroll: null,\n  beforeDestroy: null,\n  afterDestroy: null,\n  chapterTextFilter: null\n}\n\nexport default Anchors\n","const toTree = (list, nodeKey, parentKey) => {\r\n  const map = {}\r\n  const roots = []\r\n\r\n  list.forEach((item, i) => {\r\n    // initialize the map\r\n    map[item[nodeKey]] = i\r\n    // initialize the children\r\n    item.children = []\r\n  })\r\n\r\n  list.forEach((item) => {\r\n    const node = list[map[item[parentKey]]]\r\n\r\n    if (item[parentKey] !== -1) {\r\n      // if you have dangling branches check that map[node.parentId] exists\r\n      node.children.push(item)\r\n    } else {\r\n      roots.push(item)\r\n    }\r\n  })\r\n\r\n  return roots\r\n}\r\n\r\nexport default toTree\r\n","import trim from './utils/lang/trim'\nimport createElement from './utils/dom/createElement'\nimport setAttributes from './utils/dom/setAttributes'\n\nimport icon from './utils/icons/icon'\n\nconst _updateHeading = ($heading, i, options) => {\n  const CLS_HEADING = 'outline-heading'\n  const hasAnchor = options.hasAnchor || true\n  const isAtStart = options.isAtStart || true\n  const showCode = options.showCode || false\n  const chapterCode = options.chapterCode || ''\n  const anchorURL = options.anchorURL || ''\n  const headingId = `heading-${i}`\n  const attrs = {\n    id: headingId,\n    className: isAtStart ? `${CLS_HEADING} ${CLS_HEADING}_start` : CLS_HEADING,\n    'data-id': i\n  }\n  const text = trim($heading.innerHTML)\n  let $anchor\n  let $icon\n\n  if (showCode) {\n    attrs.innerHTML = chapterCode + ' ' + text\n  }\n  setAttributes($heading, attrs)\n\n  if (!hasAnchor) {\n    return false\n  }\n\n  $icon = icon('hash', { iconSet: 'outline' })\n  $anchor = createElement(\n    'a',\n    {\n      id: `anchor-${i}`,\n      className: `${CLS_HEADING}__anchor anchor-${i}`,\n      href: anchorURL || `#${headingId}`,\n      target: anchorURL ? '_blank' : 'self',\n      'data-id': i\n    },\n    $icon\n  )\n  $heading.appendChild($anchor)\n}\n\nexport default _updateHeading\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'\n\nlet index = 2000\n\nconst zIndex = (idx) => {\n  if (idx) {\n    index = idx\n  } else {\n    index += 1\n  }\n\n  setProperty('--outline-zIndex', `${index}`)\n\n  return index\n}\n\nexport default zIndex\n","import Base from './base'\n\nimport later from './utils/lang/later'\nimport cloneDeep from './utils/lang/cloneDeep'\nimport isFunction from './utils/types/isFunction'\nimport addClass from './utils/dom/addClass'\nimport removeClass from './utils/dom/removeClass'\nimport createElement from './utils/dom/createElement'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\n\nimport paint from './utils/icons/paint'\nimport icon from './utils/icons/icon'\nimport zIndex from './zIndex'\n\nclass Drawer extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Drawer.DEFAULTS)\n    this.title = ''\n    this.closed = true\n    this.$el = null\n    this.$modal = null\n    this.$header = null\n    this.$title = null\n    this.$close = null\n    this.$main = null\n    this.$footer = null\n    this.$overlay = null\n    this.zIndex = 0\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    let created\n\n    this.attr(options)\n\n    this.title = this.attr('title')\n    created = this.attr('created')\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    this.render().addListeners()\n    return this\n  }\n\n  setTitle(title) {\n    this.attr('title', title)\n    this.title = title\n    this.$title.innerHTML = title\n\n    return this\n  }\n\n  isClosed() {\n    return this.closed\n  }\n\n  render() {\n    const mounted = this.attr('mounted')\n    const size = this.attr('size')\n    const placement = this.attr('placement')\n    const hasClose = this.attr('hasClose')\n    const hasOverlay = this.attr('hasOverlay')\n    const hasOffset = this.attr('hasOffset')\n    const hasPadding = this.attr('hasPadding')\n    const autoHeight = this.attr('autoHeight')\n    const customClass = this.attr('customClass')\n    let $el\n    let $modal\n    let $header\n    let $title\n    let $close\n    let $main\n    let $footer\n    let $overlay\n\n    paint()\n    this.zIndex = zIndex()\n\n    $title = createElement(\n      'h2',\n      {\n        className: 'outline-drawer__title'\n      },\n      this.title\n    )\n    this.$title = $title\n\n    if (hasClose) {\n      $close = createElement(\n        'div',\n        {\n          className: 'outline-drawer__close'\n        },\n        icon('close', { iconSet: 'outline', size: 20 })\n      )\n      this.$close = $close\n    }\n\n    $header = createElement(\n      'header',\n      {\n        className: 'outline-drawer__header'\n      },\n      [$title, $close]\n    )\n    this.$header = $header\n\n    $main = createElement('div', {\n      className: 'outline-drawer__main'\n    })\n    this.$main = $main\n\n    if (!hasPadding) {\n      addClass($main, 'outline-drawer_full')\n    }\n\n    $footer = createElement('footer', {\n      className: 'outline-drawer__footer'\n    })\n    this.$footer = $footer\n\n    $modal = createElement(\n      'div',\n      {\n        className: `outline-drawer__modal outline-drawer_${placement} outline-drawer_${size} outline-drawer_closed`\n      },\n      [$header, $main, $footer]\n    )\n    this.$modal = $modal\n\n    if (hasOffset) {\n      addClass($modal, 'outline-drawer_offset')\n    }\n\n    if (autoHeight) {\n      addClass($modal, 'outline-drawer_auto')\n    }\n\n    if (customClass) {\n      addClass($modal, customClass)\n    }\n\n    if (hasOverlay) {\n      $overlay = createElement('div', {\n        className: 'outline-drawer__overlay'\n      })\n      this.$overlay = $overlay\n    }\n\n    $el = createElement(\n      'div',\n      {\n        className: `outline-drawer`\n      },\n      [$modal, $overlay]\n    )\n    this.$el = $el\n    document.body.appendChild($el)\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    return this\n  }\n\n  open() {\n    const opened = this.attr('afterOpened')\n    const $modal = this.$modal\n\n    addClass(this.$el, 'outline-drawer_opened')\n    removeClass($modal, 'outline-drawer_closed')\n    addClass($modal, 'outline-drawer_opened')\n\n    later(() => {\n      this.closed = false\n\n      if (isFunction(opened)) {\n        opened.call(this)\n      }\n    })\n\n    return this\n  }\n\n  close() {\n    const closed = this.attr('afterClosed')\n    const $modal = this.$modal\n\n    removeClass($modal, 'outline-drawer_opened')\n    addClass($modal, 'outline-drawer_closed')\n\n    later(() => {\n      removeClass(this.$el, 'outline-drawer_opened')\n      this.closed = true\n\n      if (isFunction(closed)) {\n        closed.call(this)\n      }\n    })\n\n    return this\n  }\n\n  toggle() {\n    const afterToggle = this.attr('afterToggle')\n    const closed = this.isClosed()\n\n    if (closed) {\n      this.open()\n    } else {\n      this.close()\n    }\n\n    if (isFunction(afterToggle)) {\n      later(() => {\n        afterToggle.call(this, closed)\n      })\n    }\n\n    return this\n  }\n\n  destroy() {\n    const afterDestroy = this.attr('afterDestroy')\n    const beforeDestroy = this.attr('beforeDestroy')\n    let index = this.zIndex\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n\n    this.attrs = Drawer.DEFAULTS\n    this.title = ''\n    this.closed = false\n    this.$el = null\n    this.$modal = null\n    this.$header = null\n    this.$title = null\n    this.$close = null\n    this.$main = null\n    this.$footer = null\n    this.$overlay = null\n\n    index -= 1\n    zIndex(index)\n    this.zIndex = 0\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    return this\n  }\n\n  addListeners() {\n    const hasClose = this.attr('hasClose')\n    const hasOverlay = this.attr('hasOverlay')\n    const $el = this.$el\n\n    if (hasClose) {\n      on($el, '.outline-drawer__close', 'click', this.onClose, this, true)\n    }\n\n    if (hasOverlay) {\n      on($el, '.outline-drawer__overlay', 'click', this.onClose, this, true)\n    }\n\n    return this\n  }\n\n  removeListeners() {\n    const hasClose = this.attr('hasClose')\n    const hasOverlay = this.attr('hasOverlay')\n    const $el = this.$el\n\n    if (!hasClose && !hasOverlay) {\n      return this\n    }\n\n    off($el, 'click', this.onClose)\n\n    return this\n  }\n\n  onClose() {\n    this.close()\n    return this\n  }\n}\n\nDrawer.DEFAULTS = {\n  placement: 'rtl',\n  title: '标题',\n  size: 'regular',\n  hasClose: true,\n  hasOverlay: true,\n  hasOffset: false,\n  hasPadding: true,\n  autoHeight: true,\n  created: null,\n  mounted: null,\n  afterClosed: null,\n  afterOpened: null,\n  afterScroll: null,\n  beforeDestroy: null,\n  afterDestroy: null,\n  afterToggle: null\n}\n\nexport default Drawer\n","import isFunction from '../types/isFunction'\nimport isElement from '../types/isElement'\n\n/**\n * 通用的 IntersectionObserver 观察者处理器\n * ========================================================================\n * @method intersection\n * @param {Function} fn\n * @param {Object} [props]\n * @param {Object|HTMLElement} [props.root]\n * @param {String} [props.selector]\n * @param {Object} [props.context]\n * @param {String} [props.attr]\n * @param {String} [props.rootMargin]\n */\nconst intersection = (fn, props = {}) => {\n  const root = props.root || null\n  const selector = props.selector || '.outline-heading'\n  const context = props.context || null\n  const rootMargin = props.rootMargin || '0px 0px -90% 0px'\n  const options = {\n    rootMargin: rootMargin\n  }\n  const Observer = new IntersectionObserver((entries) => {\n    entries.forEach((entry) => {\n      if (entry.intersectionRatio > 0) {\n        if (isFunction(fn)) {\n          fn.call(context || entry.target, entry.target)\n        }\n      }\n    })\n  }, options)\n  const $root = isElement(root) ? root : document\n\n  if (root) {\n    options.root = root\n  }\n\n  $root.querySelectorAll(selector).forEach((section) => {\n    Observer.observe(section)\n  })\n\n  return Observer\n}\n\nexport default intersection\n","/**\r\n * 获取HTML元素的某个CSS样式值\r\n * ====================================================\r\n * @param el\r\n * @param ruleName\r\n * @returns {*}\r\n */\r\nconst getStyle = (el, ruleName) => {\r\n  return getComputedStyle(el)[ruleName]\r\n}\r\n\r\nexport default getStyle\r\n","import Base from './base'\n\nimport isString from './utils/types/isString'\nimport isFunction from './utils/types/isFunction'\nimport isElement from './utils/types/isElement'\nimport later from './utils/lang/later'\nimport at from './utils/event/at'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport stop from './utils/event/stop'\nimport createElement from './utils/dom/createElement'\nimport scrollTo from './utils/dom/scrollTo'\nimport addClass from './utils/dom/addClass'\nimport intersection from './utils/dom/intersection'\nimport removeClass from './utils/dom/removeClass'\nimport offsetTop from './utils/dom/offsetTop'\nimport getStyle from './utils/dom/getStyle'\nimport setProperty from './utils/dom/setProperty'\nimport _getScrollElement from './utils/dom/_getScrollElement'\nimport cloneDeep from './utils/lang/cloneDeep'\n\nimport _paintChapters from './_paintChapters'\n\nclass Chapters extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Chapters.DEFAULTS)\n\n    this._reset()\n\n    this.offsetWidth = 0\n    this.playing = false\n    this.scrollTimer = null\n    this.resizeTimer = null\n    this.Observer = null\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  _reset() {\n    this.$el = null\n    this.$title = null\n    this.$main = null\n    this.$list = null\n    this.$placeholder = null\n    this.$parentElement = null\n    this.$scrollElement = null\n    this.$active = null\n\n    this.chapters = []\n    this.active = 0\n    this.offsetTop = 0\n    this.closed = false\n\n    return this\n  }\n\n  initialize(options) {\n    let created\n    let parentElement\n    let scrollElement\n    let $parent\n\n    this.attr(options)\n    created = this.attr('created')\n    parentElement = this.attr('parentElement')\n    scrollElement = this.attr('scrollElement')\n\n    if (isString(parentElement)) {\n      $parent = document.querySelector(parentElement)\n    } else if (isElement(parentElement)) {\n      $parent = parentElement\n    }\n    this.$parentElement = $parent\n    this.$scrollElement = _getScrollElement(scrollElement)\n\n    this.chapters = this.attr('chapters')\n    this.closed = this.attr('closed')\n    this.active = this.attr('active')\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    if (this.chapters.length < 1) {\n      return this\n    }\n\n    this.render().addListeners()\n\n    this.$active = document.querySelector(`#chapter-${this.active}`)\n\n    return this\n  }\n\n  isClosed() {\n    return this.closed\n  }\n\n  isSticky() {\n    const position = this.attr('position')\n    return position === 'sticky'\n  }\n\n  isFixed() {\n    const position = this.attr('position')\n    return position === 'fixed'\n  }\n\n  isInside() {\n    return this.isFixed() || this.isSticky()\n  }\n\n  isOutside() {\n    return !this.isInside()\n  }\n\n  count() {\n    return this.chapters.length\n  }\n\n  _paintEdge() {\n    const $fragment = document.createDocumentFragment()\n    const STICKY = 'outline-chapters_sticky'\n    const HIDDEN = 'outline-chapters_hidden'\n    const title = this.attr('title')\n    const animationCurrent = this.attr('animationCurrent')\n    const customClass = this.attr('customClass')\n    const $parentElement = this.$parentElement\n    const children = []\n    const contents = []\n    let $title = null\n    let $el\n    let $main\n    let $list\n    let $placeholder\n\n    if (!$parentElement) {\n      return this\n    }\n\n    if (this.isInside() && title) {\n      $title = createElement(\n        'h2',\n        {\n          className: 'outline-chapters__title'\n        },\n        title\n      )\n      this.$title = $title\n      contents.push($title)\n    }\n\n    $list = createElement('ul', {\n      // 为优化性能，添加了 _fixed 和 _hidden\n      // fixed 为了让 $list 脱离流布局\n      // hidden 让 $list 不可见\n      className: `outline-chapters__list`\n    })\n    this.$list = $list\n    children.push($list)\n\n    if (animationCurrent) {\n      $placeholder = createElement('div', {\n        className: 'outline-chapters__placeholder'\n      })\n      this.$placeholder = $placeholder\n      children.push($placeholder)\n    }\n\n    $main = createElement(\n      'div',\n      {\n        className: 'outline-chapters__main'\n      },\n      children\n    )\n    this.$main = $main\n    contents.push($main)\n\n    $el = createElement(\n      'nav',\n      {\n        id: 'outline-chapters',\n        className: `outline-chapters ${HIDDEN}`\n      },\n      contents\n    )\n    this.$el = $el\n\n    if (this.isSticky()) {\n      this.calculateStickyHeight()\n      addClass($el, STICKY)\n    }\n\n    if (customClass) {\n      addClass($el, customClass)\n    }\n    $fragment.appendChild($el)\n    $parentElement.appendChild($fragment)\n\n    return this\n  }\n\n  render() {\n    const HIDDEN = 'outline-chapters_hidden'\n    const showCode = this.attr('showCode')\n    const mounted = this.attr('mounted')\n    const $parentElement = this.$parentElement\n    const chapters = this.chapters\n    const count = this.count()\n    let $el\n    let $list\n\n    if (!$parentElement || chapters.length < 1) {\n      return this\n    }\n\n    if (this.isInside()) {\n      addClass($parentElement, 'outline-chapters-parent')\n    }\n\n    this._paintEdge()\n\n    $el = this.$el\n    $list = this.$list\n    _paintChapters($list, chapters, showCode)\n    removeClass($el, HIDDEN)\n\n    later(() => {\n      this.highlight(this.active)\n    }, 60)\n\n    this.offsetTop = offsetTop($el)\n    this.offsetWidth = $el.offsetWidth\n\n    if (this.isFixed()) {\n      this.sticky()\n      setProperty('--outline-chapters-width', `${this.offsetWidth}px`)\n    }\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    if (count < 400) {\n      this.onObserver()\n    }\n\n    return this\n  }\n\n  positionPlaceholder(index) {\n    const $main = this.$main\n    const $list = this.$list\n    const $placeholder = this.$placeholder\n    const $anchor = $list.querySelector('.outline-chapters__anchor')\n    const animationCurrent = this.attr('animationCurrent')\n    const mainPaddingTop = parseInt(getStyle($main, 'padding-top'), 10)\n    const mainBorderTop = parseInt(getStyle($main, 'border-top-width'), 10)\n    const placeholderPaddingTop = parseInt(getStyle($list, 'padding-top'), 10)\n    const placeholderMarginTop = parseInt(getStyle($list, 'margin-top'), 10)\n    const placeholderBorderTop = parseInt(\n      getStyle($list, 'border-top-width'),\n      10\n    )\n    let height = $anchor.offsetHeight\n    let offsetTop = 0\n    let top\n\n    if (!animationCurrent) {\n      return this\n    }\n\n    if (mainPaddingTop) {\n      offsetTop += mainPaddingTop\n    }\n\n    if (placeholderPaddingTop) {\n      offsetTop += placeholderPaddingTop\n    }\n\n    if (placeholderMarginTop) {\n      offsetTop += placeholderMarginTop\n    }\n\n    if (mainBorderTop) {\n      offsetTop += mainBorderTop\n    }\n\n    if (placeholderBorderTop) {\n      offsetTop += placeholderBorderTop\n    }\n\n    top = height * index\n    $placeholder.style.cssText = `transform: translateY(${\n      offsetTop + top\n    }px);height:${height}px;`\n\n    return this\n  }\n\n  highlight(id) {\n    const animationCurrent = this.attr('animationCurrent')\n    const $anchor = this.$el.querySelector(`#chapter__anchor-${id}`)\n    const ACTIVE = 'outline-chapters_active'\n    const HIGHLIGHT = 'outline-chapters_highlight'\n\n    if (!$anchor) {\n      return this\n    }\n\n    this.active = parseInt($anchor.getAttribute('data-id'), 10)\n\n    if (this.$active) {\n      removeClass(this.$active, HIGHLIGHT)\n      removeClass(this.$active, ACTIVE)\n    }\n\n    this.$active = $anchor\n    addClass(this.$active, ACTIVE)\n\n    if (animationCurrent) {\n      this.positionPlaceholder(this.active)\n    } else {\n      addClass(this.$active, HIGHLIGHT)\n    }\n\n    return this\n  }\n\n  sticky() {\n    const afterSticky = this.attr('afterSticky')\n    const FIXED = 'outline-chapters_fixed'\n    const $el = this.$el\n    const top = this.offsetTop\n    const scrollTop = this.$scrollElement.scrollTop\n    let isStickying\n\n    if (!this.isFixed()) {\n      return this\n    }\n\n    isStickying = scrollTop >= top\n\n    if (isStickying) {\n      addClass($el, FIXED)\n    } else {\n      removeClass($el, FIXED)\n    }\n\n    if (isFunction(afterSticky)) {\n      afterSticky.call(this, this.isClosed(), isStickying)\n    }\n\n    return this\n  }\n\n  calculateStickyHeight() {\n    const documentElement = document.documentElement\n    const height = Math.max(\n      documentElement.clientHeight || 0,\n      window.innerHeight || 0\n    )\n    setProperty('--outline-sticky-height', `${height}px`)\n    return this\n  }\n\n  scrollTo(top, after) {\n    const el = this.$scrollElement\n\n    scrollTo(el, top, after)\n\n    return this\n  }\n\n  show() {\n    const FOLDED = 'outline-chapters_folded'\n    const HIDDEN = 'outline-chapters_hidden'\n    const opened = this.attr('afterOpened')\n    const count = this.count()\n    const $el = this.$el\n    const $parent = this.$parentElement\n\n    if (this.isInside()) {\n      if (count > 800) {\n        removeClass($parent, HIDDEN)\n      } else {\n        removeClass($parent, HIDDEN)\n        later(() => {\n          removeClass($parent, FOLDED)\n        }, 30)\n      }\n    } else {\n      removeClass($el, HIDDEN)\n    }\n    this.closed = false\n\n    if (isFunction(opened)) {\n      opened.call(this)\n    }\n\n    return this\n  }\n\n  hide() {\n    const FOLDED = 'outline-chapters_folded'\n    const HIDDEN = 'outline-chapters_hidden'\n    const closed = this.attr('afterClosed')\n    const count = this.count()\n    const $el = this.$el\n    const $parent = this.$parentElement\n\n    if (this.isInside()) {\n      if (count > 800) {\n        addClass($parent, HIDDEN)\n      } else {\n        addClass($parent, FOLDED)\n        later(() => {\n          addClass($parent, HIDDEN)\n        })\n      }\n    } else {\n      addClass($el, HIDDEN)\n    }\n    this.closed = true\n\n    if (isFunction(closed)) {\n      closed.call(this)\n    }\n\n    return this\n  }\n\n  toggle() {\n    const afterToggle = this.attr('afterToggle')\n    const top = this.offsetTop\n    const scrollTop = this.$scrollElement.scrollTop\n    let isStickying\n\n    if (this.isClosed()) {\n      this.show()\n    } else {\n      this.hide()\n    }\n\n    if (isFunction(afterToggle)) {\n      later(() => {\n        isStickying = scrollTop >= top\n        afterToggle.call(this, this.isClosed(), isStickying)\n      })\n    }\n\n    return this\n  }\n\n  destroy() {\n    const beforeDestroy = this.attr('beforeDestroy')\n    const afterDestroy = this.attr('afterDestroy')\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n    this.$parentElement.removeChild(this.$el)\n\n    this.attr(Chapters.DEFAULTS)._reset()\n\n    if (this.scrollTimer) {\n      clearTimeout(this.scrollTimer)\n      this.scrollTimer = null\n    }\n\n    if (this.resizeTimer) {\n      clearTimeout(this.resizeTimer)\n      this.resizeTimer = null\n    }\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    if (this.Observer) {\n      this.Observer = null\n    }\n\n    return this\n  }\n\n  onObserver() {\n    const selector = this.attr('selector')\n    let timer = null\n\n    this.Observer = intersection(\n      ($heading) => {\n        const id = $heading.getAttribute('data-id')\n\n        if (this.playing) {\n          return false\n        }\n\n        if (timer) {\n          clearTimeout(timer)\n        }\n\n        timer = later(() => {\n          this.highlight(id)\n        }, 100)\n      },\n      {\n        selector,\n        context: this\n      }\n    )\n\n    return this\n  }\n\n  onSelect(evt) {\n    const stickyHeight = this.attr('stickyHeight')\n    const $anchor = evt.delegateTarget\n    const id = $anchor.getAttribute('data-id')\n    const headingId = $anchor.href.split('#')[1]\n    const $heading = document.querySelector(`#${headingId}`)\n    const top = offsetTop($heading) - (stickyHeight + 10)\n    const min = 0\n    const max = this.$scrollElement.scrollHeight\n    const afterScroll = this.attr('afterScroll')\n    const after = () => {\n      if (isFunction(afterScroll)) {\n        afterScroll.call(this, 'chapter')\n      }\n\n      later(() => {\n        this.playing = false\n        this.$emit('toolbar:update', {\n          top,\n          min,\n          max\n        })\n      })\n    }\n\n    this.playing = true\n    if (this.isFixed()) {\n      this.sticky()\n      later(() => {\n        this.scrollTo(top, after)\n        this.highlight(id)\n      }, 10)\n    } else {\n      this.scrollTo(top, after)\n      this.highlight(id)\n    }\n\n    stop(evt)\n\n    return this\n  }\n\n  onScroll() {\n    const $scrollElement = this.$scrollElement\n\n    if (this.scrollTimer) {\n      clearTimeout(this.scrollTimer)\n    }\n\n    this.scrollTimer = later(() => {\n      const top = $scrollElement.scrollTop\n      const min = 0\n      const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\n\n      if (this.isFixed()) {\n        this.sticky()\n      }\n\n      this.$emit('toolbar:update', {\n        top,\n        min,\n        max\n      })\n    }, 100)\n\n    return this\n  }\n\n  onResize() {\n    if (this.resizeTimer) {\n      clearTimeout(this.resizeTimer)\n    }\n\n    this.resizeTimer = later(() => {\n      this.calculateStickyHeight()\n    })\n\n    return this\n  }\n\n  addListeners() {\n    const $el = this.$el\n    const $scrollElement = this.$scrollElement\n    const tagName = $scrollElement.tagName.toLowerCase()\n    let $element = $scrollElement\n\n    if (tagName === 'html' || tagName === 'body') {\n      $element = window\n    }\n\n    on($el, '.outline-chapters__anchor', 'click', this.onSelect, this, true)\n    at($element, 'scroll', this.onScroll, this, true)\n    if (this.isSticky()) {\n      at(window, 'resize', this.onResize, this, true)\n    }\n    this.$on('anchors:all:paint', this.onObserver, this)\n\n    return this\n  }\n\n  removeListeners() {\n    const selector = this.attr('selector')\n    const $el = this.$el\n    const $scrollElement = this.$scrollElement\n    const tagName = $scrollElement.tagName.toLowerCase()\n    let $element = $scrollElement\n\n    if (tagName === 'html' || tagName === 'body') {\n      $element = window\n    }\n\n    off($el, 'click', this.onSelect)\n    off($element, 'scroll', this.onScroll)\n\n    if (this.isSticky()) {\n      at(window, 'resize', this.onResize)\n    }\n\n    this.$off('anchors:all:paint')\n\n    if (this.Observer) {\n      document.querySelectorAll(selector).forEach((section) => {\n        this.Observer.unobserve(section)\n      })\n    }\n\n    return this\n  }\n}\n\nChapters.DEFAULTS = {\n  parentElement: '',\n  scrollElement: '',\n  selector: '.outline-heading',\n  active: 0,\n  closed: false,\n  showCode: true,\n  animationCurrent: true,\n  position: 'relative',\n  stickyHeight: 0,\n  chapters: [],\n  created: null,\n  mounted: null,\n  afterClosed: null,\n  afterOpened: null,\n  afterScroll: null,\n  beforeDestroy: null,\n  afterDestroy: null,\n  afterSticky: null\n}\n\nexport default Chapters\n","import createElement from './utils/dom/createElement'\nimport timeSlice from './utils/lang/timeSlice'\n\nconst _paintChapters = ($list, chapters, showCode = false) => {\n  const LIMIT = 400\n  const count = chapters.length\n  const clones = [...chapters]\n  const paint = (parts) => {\n    const byId = (id) => $list.querySelector(`#${id}`)\n    parts.forEach((chapter) => {\n      const pid = chapter.pid\n      const id = chapter.id\n      const rel = chapter.rel\n      const children = []\n      const $text = createElement(\n        'span',\n        {\n          className: 'outline-chapters__text'\n        },\n        chapter.text\n      )\n      let $link\n      let $code\n      let $li\n      let $subject\n      let $chapter\n\n      if (showCode) {\n        $code = createElement(\n          'span',\n          {\n            className: 'outline-chapters__code',\n            'data-id': id\n          },\n          chapter.code\n        )\n\n        children.push($code)\n      }\n\n      children.push($text)\n\n      $link = createElement(\n        'a',\n        {\n          id: `chapter__anchor-${id}`,\n          className: 'outline-chapters__anchor',\n          href: '#' + rel,\n          rel: rel,\n          'data-id': id\n        },\n        children\n      )\n\n      $li = createElement(\n        'li',\n        {\n          id: `chapter-${id}`,\n          className: 'outline-chapters__item',\n          'data-id': id\n        },\n        $link\n      )\n\n      if (pid === -1) {\n        $list.appendChild($li)\n      } else {\n        $chapter = byId(`chapter-${pid}`)\n        $subject = byId(`subject-${pid}`)\n\n        if (!$subject) {\n          $subject = createElement(\n            'ul',\n            {\n              id: 'subject-' + pid,\n              className: 'outline-chapters__subject'\n            },\n            $li\n          )\n\n          $chapter.appendChild($subject)\n        } else {\n          $subject.appendChild($li)\n        }\n      }\n    })\n  }\n\n  if (count > LIMIT) {\n    // 同步绘制\n    paint(clones.splice(0, LIMIT))\n    // 剩余的采用 timeSlice 机制绘制\n    while (clones.length > 0) {\n      const once = clones.splice(0, LIMIT)\n      timeSlice(() => {\n        paint(once)\n      })\n    }\n  } else {\n    paint(clones)\n  }\n}\n\nexport default _paintChapters\n","import icon from './utils/icons/icon'\nimport createElement from './utils/dom/createElement'\nimport addClass from './utils/dom/addClass'\n\nconst _createButton = (button, rounded = true) => {\n  const $icon = icon(button.icon, {\n    iconSet: button.iconSet || 'outline',\n    color: button.color || '',\n    size: button.size\n  })\n  const $anchor = createElement(\n    'a',\n    {\n      className: `outline-toolbar__anchor`,\n      href: button.link\n    },\n    $icon\n  )\n  const $button = createElement(\n    'div',\n    {\n      className: `outline-toolbar__button ${button.name}`\n    },\n    [button.link ? $anchor : $icon]\n  )\n\n  addClass($icon, 'outline-toolbar__icon')\n\n  if (rounded) {\n    addClass($button, 'outline-toolbar_rounded')\n  }\n\n  if (button.disabled) {\n    addClass($button, 'outline-toolbar_disabled')\n  }\n\n  return $button\n}\n\nexport default _createButton\n","import Base from './base'\n\nimport isString from './utils/types/isString'\nimport isFunction from './utils/types/isFunction'\nimport isObject from './utils/types/isObject'\nimport isArray from './utils/types/isArray'\nimport later from './utils/lang/later'\nimport cloneDeep from './utils/lang/cloneDeep'\nimport createElement from './utils/dom/createElement'\nimport addClass from './utils/dom/addClass'\nimport hasClass from './utils/dom/hasClass'\nimport removeClass from './utils/dom/removeClass'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport paint from './utils/icons/paint'\n\nimport _createButton from './_createButton'\n\nconst DISABLED = 'outline-toolbar_disabled'\nconst HIDDEN = 'outline-toolbar_hidden'\n\nclass Toolbar extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Toolbar.DEFAULTS)\n    this.$el = null\n    this.disabled = false\n    this.closed = false\n    this.buttons = []\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    let created\n\n    this.attr(options)\n    created = this.attr('created')\n    this.disabled = this.attr('disabled')\n    this.closed = this.attr('closed')\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    this.render().addListeners()\n\n    return this\n  }\n\n  isDisabled(name) {\n    const buttons = this.attr('buttons')\n    let button\n\n    if (name) {\n      button = buttons.find((option) => option.name === name)\n\n      return button?.disabled\n    }\n\n    return this.disabled\n  }\n\n  isClosed() {\n    return this.closed\n  }\n\n  highlight(name) {\n    const button = this.buttons.find((item) => item.name === name)\n    const ACTIVE = 'outline-toolbar_active'\n    let $button\n\n    if ($button) {\n      return this\n    }\n\n    $button = button.$el\n\n    if (hasClass($button, ACTIVE)) {\n      removeClass($button, ACTIVE)\n    } else {\n      addClass($button, ACTIVE)\n    }\n\n    return this\n  }\n\n  render() {\n    const mounted = this.attr('mounted')\n    const buttons = this.attr('buttons') || []\n    const rounded = this.attr('rounded')\n    const placement = this.attr('placement')\n    const $buttons = []\n\n    paint()\n\n    buttons.forEach((button) => {\n      const $button = _createButton(button, rounded)\n\n      $buttons.push($button)\n      this.buttons.push({\n        name: button.name,\n        $el: $button\n      })\n    })\n\n    this.$el = createElement(\n      'div',\n      {\n        id: 'outline-toolbar',\n        className: `outline-toolbar outline-toolbar_${placement}`\n      },\n      $buttons\n    )\n    document.body.appendChild(this.$el)\n\n    if (this.closed) {\n      this.hide()\n    }\n\n    if (this.disabled) {\n      this.disable()\n    }\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    return this\n  }\n\n  add(button) {\n    const $el = this.$el\n    const buttons = this.attr('buttons')\n    const action = button.action\n    const $fragment = document.createDocumentFragment()\n    let type\n\n    if (isObject(button)) {\n      buttons.push(button)\n      $fragment.appendChild(_createButton(button))\n    } else if (isArray(button)) {\n      button.forEach((item) => {\n        $fragment.appendChild(_createButton(item))\n      })\n    }\n    $el.appendChild($fragment)\n\n    if (action && isFunction(action.handler)) {\n      type = action.type || 'click'\n      on($el, `.${button.name}`, type, action.handler)\n    }\n\n    return this\n  }\n\n  remove(name) {\n    const $el = this.$el\n    const buttons = this.attr('buttons')\n    const button = buttons.find((option) => option.name === name)\n    let index = -1\n    let $button\n\n    if (!button) {\n      return this\n    }\n\n    buttons.forEach((button, i) => {\n      if (button.name === name) {\n        index = i\n      }\n    })\n\n    if (index > -1) {\n      this.attr().buttons.splice(index, 1)\n    }\n\n    $button = $el.querySelector(`.${name}`)\n    this.switch(name, false)\n    $el.removeChild($button)\n\n    return this\n  }\n\n  switch(name, enabled) {\n    const $el = this.$el\n    const buttons = this.attr('buttons')\n    const button = buttons.find((option) => option.name === name)\n    let action\n    let type\n    let listener\n    let $button\n\n    if (!button) {\n      return this\n    }\n\n    buttons.forEach((option) => {\n      if (option.name === name) {\n        button.disabled = !enabled\n      }\n    })\n\n    action = button.action\n    $button = $el.querySelector(`.${name}`)\n\n    if (action) {\n      type = action.type || 'click'\n      listener = action.handler\n    }\n\n    if (enabled) {\n      removeClass($button, DISABLED)\n\n      if (type && listener) {\n        on($el, `.${name}`, type, listener)\n      }\n    } else {\n      addClass($button, DISABLED)\n\n      if (type && listener) {\n        off($el, type, listener)\n      }\n    }\n\n    return this\n  }\n\n  disable(name) {\n    const disabled = this.attr('afterDisabled')\n\n    if (name) {\n      this.switch(name, false)\n    } else {\n      addClass(this.$el, DISABLED)\n      this.removeListeners()\n      this.disabled = true\n\n      if (isFunction(disabled)) {\n        disabled.call(this)\n      }\n    }\n\n    return this\n  }\n\n  enable(name) {\n    const enabled = this.attr('afterEnabled')\n\n    if (name) {\n      this.switch(name, true)\n    } else {\n      this.disabled = false\n      removeClass(this.$el, DISABLED)\n      this.addListeners()\n\n      if (isFunction(enabled)) {\n        enabled.call(this)\n      }\n    }\n\n    return this\n  }\n\n  show(name) {\n    const opened = this.attr('afterOpened')\n    const button = this.attr('buttons').find((option) => option.name === name)\n    const $el = this.$el\n    let $button\n\n    if (name) {\n      if (!button) {\n        return this\n      }\n\n      $button = $el.querySelector(`.${name}`)\n      removeClass($button, HIDDEN)\n    } else {\n      removeClass($el, HIDDEN)\n      this.closed = false\n\n      if (isFunction(opened)) {\n        later(() => {\n          opened.call(this)\n        }, 310)\n      }\n    }\n\n    return this\n  }\n\n  hide(name) {\n    const closed = this.attr('afterClosed')\n    const button = this.attr('buttons').find((option) => option.name === name)\n    const $el = this.$el\n    let $button\n\n    if (name) {\n      if (!button) {\n        return this\n      }\n      $button = $el.querySelector(`.${name}`)\n      addClass($button, HIDDEN)\n    } else {\n      addClass($el, HIDDEN)\n      this.closed = true\n\n      if (isFunction(closed)) {\n        later(() => {\n          closed.call(this)\n        }, 310)\n      }\n    }\n\n    return this\n  }\n\n  toggle() {\n    if (this.isClosed()) {\n      this.show()\n    } else {\n      this.hide()\n    }\n\n    return this\n  }\n\n  destroy() {\n    const beforeDestroy = this.attr('beforeDestroy')\n    const afterDestroy = this.attr('afterDestroy')\n    let $el = this.$el\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n    document.body.removeChild($el)\n    $el = null\n\n    this.attr(Toolbar.DEFAULTS)\n    this.disabled = false\n    this.closed = false\n    this.buttons = []\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    return this\n  }\n\n  refresh() {\n    const $el = this.$el\n    const buttons = this.attr('buttons') || []\n\n    this.removeListeners()\n    $el.innerHTML = ''\n\n    buttons.forEach((button) => {\n      this.$el.appendChild(_createButton(button))\n    })\n\n    this.addListeners()\n\n    return this\n  }\n\n  addListeners() {\n    const buttons = this.attr('buttons')\n    const $el = this.$el\n\n    if (!buttons || buttons.length < 1) {\n      return this\n    }\n\n    buttons.forEach((button) => {\n      const action = button.action\n      const disabled = this.disabled\n      let type\n      let listener\n      let context\n      let command\n\n      if (disabled) {\n        return false\n      }\n\n      if (action) {\n        listener = action.handler\n        if (isString(listener)) {\n          command = listener\n          action.handler = function () {\n            this.$emit(command, button.name)\n          }\n          listener = action.handler\n        }\n\n        type = action.type || 'click'\n        context = action.context\n      }\n\n      if (isFunction(listener)) {\n        on($el, `.${button.name}`, type, listener, context || this, true)\n      }\n    })\n\n    return this\n  }\n\n  removeListeners() {\n    const buttons = this.attr('buttons')\n    const $el = this.$el\n\n    if (!buttons || buttons.length < 1) {\n      return this\n    }\n\n    buttons.forEach((button) => {\n      const action = button.action\n      const disabled = this.disabled\n      let type\n      let listener\n\n      if (disabled) {\n        return false\n      }\n\n      if (action) {\n        listener = action.handler\n        type = action.type || 'click'\n      }\n\n      if (isFunction(listener)) {\n        off($el, type, listener)\n      }\n    })\n\n    return this\n  }\n}\n\nToolbar.DEFAULTS = {\n  placement: 'ltr',\n  closed: false,\n  disabled: false,\n  rounded: true,\n  buttons: [],\n  created: null,\n  mounted: null,\n  afterClosed: null,\n  afterOpened: null,\n  afterDisabled: null,\n  afterEnabled: null,\n  beforeDestroy: null,\n  afterDestroy: null\n}\n\nexport default Toolbar\n","import isObject from './isObject'\n\n/**\n * 检测测试数据是否为类似 Object 类型\n * ========================================================================\n * @method isObjectLike\n * @param {Object} val - 要检测的数据\n * @returns {Boolean} 'val' 是类似 Object 类型，返回 true，否则返回 false\n */\nconst isObjectLike = (val) => {\n  return isObject(val) && val !== null\n}\n\nexport default isObjectLike\n","import isObjectLike from './isObjectLike'\n\n/**\n * 检测测试数据是否为普通对象\n * ========================================================================\n * @method isPlainObject\n * @param {Object} val - 要检测的数据\n * @returns {Boolean} 'val' 是普通对象，返回 true，否则返回 false\n */\nconst isPlainObject = (val) => {\n  const getPrototypeOf = Object.getPrototypeOf\n  let proto\n\n  // Detect obvious negatives\n  if (!isObjectLike(val)) {\n    return false\n  }\n\n  proto = val.prototype\n\n  // JavaScript 对象分为两种：普通对象和函数对象\n  // 普通对象：原型是 __proto__，没有 prototype 原型（属性）\n  // 函数对象：原型是 prototype ，prototype 只存在于函数对象上\n  if (!proto) {\n    return true\n  }\n\n  proto = val\n\n  while (getPrototypeOf(proto) !== null) {\n    proto = getPrototypeOf(proto)\n  }\n\n  return getPrototypeOf(val) === proto\n}\n\nexport default isPlainObject\n","/**\r\n * 移除字符串中的 JavaScript 代码\r\n * ====================================================\r\n * @param {String} str\r\n * @returns {String}\r\n */\r\nconst stripScripts = (str) => {\r\n  return str.replace(/]*>.*?<\\/script>/gi, '')\r\n}\r\n\r\nexport default stripScripts\r\n","/**\r\n * 转义字符串中的 HTML 标签\r\n *\r\n * @param {String} str - 需要转义的字符串\r\n * @returns {String}\r\n */\r\nconst encodeHTML = (str) => {\r\n  const CHARTS = {\r\n    '&': '&',\r\n    '<': '<',\r\n    '>': '>',\r\n    \"'\": ''',\r\n    '\"': '"'\r\n  }\r\n\r\n  return str.replace(/[&<>'\"]/g, (tag) => {\r\n    return CHARTS[tag] || tag\r\n  })\r\n}\r\n\r\nexport default encodeHTML\r\n","import isString from './utils/types/isString'\r\nimport isPlainObject from './utils/types/isPlainObject'\r\nimport isFunction from './utils/types/isFunction'\r\n\r\nimport extend from './utils/lang/extend'\r\nimport later from './utils/lang/later'\r\nimport stripScripts from './utils/lang/stripScripts'\r\nimport encodeHTML from './utils/lang/encodeHTML'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport guid from './utils/lang/guid'\r\n\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport setAttribute from './utils/dom/setAttribute'\r\nimport setAttributes from './utils/dom/setAttributes'\r\n\r\nimport icon from './utils/icons/icon'\r\nimport paint from './utils/icons/paint'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\n\r\nimport Base from './base'\r\n\r\nconst TYPES = ['info', 'success', 'warning', 'error']\r\nconst instances = []\r\nlet instance\r\n\r\npaint()\r\n\r\nclass Message extends Base {\r\n  constructor(options) {\r\n    super()\r\n    this.attrs = cloneDeep(Message.DEFAULTS)\r\n\r\n    this.$el = null\r\n    this.id = ''\r\n    this.closed = false\r\n    this.visible = false\r\n    this.offset = -50\r\n    this.timer = null\r\n    this.destroyed = false\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)\r\n    this.id = this.attr('id')\r\n    this.offset = this.attr('offset') || -50\r\n\r\n    this.$emit('created', { ...this.attr() })\r\n\r\n    this.render().addListeners()\r\n\r\n    if (this.attr('visible')) {\r\n      this.open()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  isDestroyed() {\r\n    return this.destroyed\r\n  }\r\n\r\n  _getClassName() {\r\n    const type = this.attr('type')\r\n    const effect = this.attr('effect')\r\n    const round = this.attr('round')\r\n    const closable = this.attr('closable')\r\n    const visible = this.attr('visible')\r\n    const customClass = this.attr('customClass')\r\n    const className = [\r\n      'outline-message',\r\n      `outline-message_${type}`,\r\n      `outline-message_${effect}`\r\n    ]\r\n\r\n    if (round) {\r\n      className.push('outline-message_round')\r\n    }\r\n\r\n    if (!closable) {\r\n      className.push('outline-message_full-width')\r\n    }\r\n\r\n    if (visible) {\r\n      className.push('outline-message_visible')\r\n    }\r\n\r\n    if (customClass) {\r\n      className.push(customClass)\r\n    }\r\n\r\n    return className\r\n  }\r\n\r\n  render() {\r\n    const type = this.attr('type')\r\n    const message = this.attr('message')\r\n    const effect = this.attr('effect')\r\n    const round = this.attr('round')\r\n    const closable = this.attr('closable')\r\n    const dangerouslyUseHTMLString = this.attr('dangerouslyUseHTMLString')\r\n    const className = this._getClassName()\r\n    const iconName = effect === 'light' ? `circle-${type}` : type\r\n    const children = []\r\n    let iconSize = 20\r\n    let $type\r\n    let $message\r\n    let $text\r\n    let $close\r\n    let $el\r\n\r\n    if (round && effect === 'default') {\r\n      iconSize = 12\r\n    }\r\n\r\n    if (effect !== 'plain') {\r\n      $type = icon(iconName, {\r\n        iconSet: 'outline',\r\n        size: iconSize\r\n      })\r\n      addClass($type, 'outline-message__icon')\r\n      children.push($type)\r\n    }\r\n\r\n    if (!dangerouslyUseHTMLString) {\r\n      $text = document.createTextNode(encodeHTML(stripScripts(message)))\r\n    } else {\r\n      $text = document.createDocumentFragment()\r\n      $text.innerHTML = message\r\n    }\r\n    $message = createElement(\r\n      'p',\r\n      {\r\n        className: 'outline-message__content'\r\n      },\r\n      [$text]\r\n    )\r\n    children.push($message)\r\n\r\n    if (closable) {\r\n      $close = icon('close', {\r\n        iconSet: 'outline',\r\n        size: 18\r\n      })\r\n      addClass($close, 'outline-message__close')\r\n      children.push($close)\r\n    }\r\n\r\n    $el = createElement(\r\n      'div',\r\n      {\r\n        className: className.join(' ')\r\n      },\r\n      children\r\n    )\r\n    $el.style.cssText = `top:-50px;`\r\n    this.$el = $el\r\n    document.body.appendChild(this.$el)\r\n\r\n    this.$emit('mounted')\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshIcon() {\r\n    const HIDDEN = '.outline-message_hidden'\r\n    const $el = this.$el\r\n    let iconSize = 20\r\n    let type\r\n    let effect\r\n    let round\r\n    let iconName\r\n    let $icon\r\n    let $svg\r\n    let $use\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    $icon = $el.querySelector('.outline-icon')\r\n\r\n    if (!$icon) {\r\n      return this\r\n    }\r\n\r\n    type = this.attr('type')\r\n    effect = this.attr('effect')\r\n    round = this.attr('round')\r\n\r\n    if (effect === 'plain') {\r\n      addClass($icon, HIDDEN)\r\n    } else {\r\n      removeClass($icon, HIDDEN)\r\n\r\n      if (round && effect === 'default') {\r\n        iconSize = 12\r\n      }\r\n    }\r\n\r\n    $svg = $icon.querySelector('.outline-icon__svg')\r\n    setAttributes($svg, {\r\n      style: `width:${iconSize}px;height:${iconSize}px;`\r\n    })\r\n\r\n    $use = $svg.querySelector('use')\r\n    iconName = effect === 'light' ? `circle-${type}` : type\r\n    setAttribute($use, 'xlink:href', `#outline-icon-${iconName}`)\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshMessage() {\r\n    const $el = this.$el\r\n    let $message\r\n    let dangerouslyUseHTMLString\r\n    let message\r\n    let text\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    $message = $el.querySelector('.outline-message__content')\r\n    dangerouslyUseHTMLString = this.attr('dangerouslyUseHTMLString')\r\n    message = this.attr('message')\r\n\r\n    if (!dangerouslyUseHTMLString) {\r\n      text = encodeHTML(stripScripts(message))\r\n    } else {\r\n      text = message\r\n    }\r\n\r\n    $message.innerHTML = text\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshClose() {\r\n    const HIDDEN = '.outline-message_hidden'\r\n    const $el = this.$el\r\n    let $close\r\n    let closable\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    $close = $el.querySelector('.outline-message__close')\r\n    closable = this.attr('closable')\r\n\r\n    if ($close) {\r\n      if (closable) {\r\n        addClass($close, HIDDEN)\r\n      } else {\r\n        removeClass($close, HIDDEN)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshEl() {\r\n    const $el = this.$el\r\n    let className\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    className = this._getClassName()\r\n    setAttribute($el, 'className', className.join(' '))\r\n\r\n    return this\r\n  }\r\n\r\n  refresh(options) {\r\n    if (!isPlainObject(options)) {\r\n      return this\r\n    }\r\n\r\n    this.attr(options)\r\n      ._refreshIcon()\r\n      ._refreshMessage()\r\n      ._refreshClose()\r\n      ._refreshEl()\r\n\r\n    return this\r\n  }\r\n\r\n  clearTimer() {\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    if (this.timer) {\r\n      clearTimeout(this.timer)\r\n      this.timer = null\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  startTimer(duration) {\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    this.timer = later(() => {\r\n      this.$emit('opened')\r\n      this.close()\r\n    }, duration * 1000)\r\n\r\n    return this\r\n  }\r\n\r\n  open(options) {\r\n    const $el = this.$el\r\n    let offset\r\n    let duration\r\n    let top\r\n    let cssRules\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    if (this.isClosed()) {\r\n      this.refresh(options)\r\n    }\r\n\r\n    offset = this.attr('offset')\r\n    duration = this.attr('duration')\r\n    top = offset && offset >= this.offset ? offset : this.offset\r\n    cssRules = `top:${top}px;`\r\n\r\n    this.clearTimer()\r\n\r\n    this.$emit('beforeOpen')\r\n\r\n    later(() => {\r\n      this.visible = true\r\n\r\n      addClass($el, 'outline-message_visible')\r\n      $el.style.cssText = cssRules\r\n\r\n      if (duration > 0) {\r\n        this.startTimer(duration)\r\n      }\r\n    }, 100)\r\n\r\n    return this\r\n  }\r\n\r\n  close() {\r\n    const $el = this.$el\r\n    const cssRules = `top:-50px;`\r\n    let destroyAfterClosed\r\n    let beforeClose\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    destroyAfterClosed = this.attr('destroyAfterClosed')\r\n    beforeClose = this.attr('beforeClose')\r\n\r\n    if (isFunction(beforeClose)) {\r\n      beforeClose.call(this)\r\n    }\r\n\r\n    $el.style.cssText = cssRules\r\n    removeClass($el, 'outline-message_visible')\r\n\r\n    this.visible = false\r\n    this.closed = true\r\n\r\n    later(() => {\r\n      this.$emit('closed')\r\n\r\n      if (destroyAfterClosed) {\r\n        this.destroy()\r\n      }\r\n    }, 500)\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    this.$emit('beforeDestroy')\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    this.removeListeners()\r\n    document.body.removeChild(this.$el)\r\n\r\n    this.attr(Message.DEFAULTS)\r\n\r\n    this.id = ''\r\n    this.closed = true\r\n    this.visible = false\r\n    this.offset = -50\r\n    clearTimeout(this.timer)\r\n    this.timer = null\r\n    this.destroyed = true\r\n\r\n    this.$el = null\r\n\r\n    this.$emit('afterDestroy')\r\n\r\n    return this\r\n  }\r\n\r\n  onMouseEnter() {\r\n    this.clearTimer()\r\n    return this\r\n  }\r\n\r\n  onMouseLeave() {\r\n    const duration = this.attr('duration')\r\n    const delay = this.attr('delay')\r\n\r\n    if (duration <= 0) {\r\n      return this\r\n    }\r\n\r\n    this.startTimer(delay)\r\n\r\n    return this\r\n  }\r\n\r\n  onClose() {\r\n    this.clearTimer()\r\n    this.close()\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $el = this.$el\r\n\r\n    on(\r\n      $el,\r\n      '.outline-message__content',\r\n      'mouseenter',\r\n      this.onMouseEnter,\r\n      this,\r\n      true\r\n    )\r\n    on(\r\n      $el,\r\n      '.outline-message__content',\r\n      'mouseleave',\r\n      this.onMouseLeave,\r\n      this,\r\n      true\r\n    )\r\n    on($el, '.outline-message__close', 'click', this.onClose, this, true)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $el = this.$el\r\n\r\n    off($el, 'mouseenter', this.onMouseEnter)\r\n    off($el, 'mouseleave', this.onMouseLeave)\r\n    off($el, 'click', this.onClose)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nMessage.DEFAULTS = {\r\n  id: '',\r\n  type: 'info',\r\n  effect: 'default',\r\n  round: false,\r\n  offset: 30,\r\n  duration: 3,\r\n  delay: 2,\r\n  message: '',\r\n  customClass: '',\r\n  closable: true,\r\n  visible: true,\r\n  dangerouslyUseHTMLString: false,\r\n  destroyAfterClosed: true,\r\n  beforeClose: null\r\n}\r\n\r\nTYPES.forEach((type) => {\r\n  Message[type] = (options) => {\r\n    const config = {}\r\n    const id = guid(`outline-message-`)\r\n    const beforeClose = options.beforeClose || null\r\n    let offset = options.offset || 30\r\n\r\n    if (isString(options)) {\r\n      config.message = options\r\n    } else {\r\n      if (isPlainObject(options)) {\r\n        extend(config, options)\r\n      }\r\n    }\r\n    config.id = id\r\n    config.type = type\r\n    config.offset = offset\r\n    config.visible = false\r\n    config.beforeClose = () => {\r\n      Message.close(id, beforeClose)\r\n    }\r\n\r\n    instance = new Message(config)\r\n    instances.forEach((item) => {\r\n      offset += item.$el.offsetHeight + 16\r\n    })\r\n    instance.offset = offset\r\n    instance.open()\r\n    instances.push(instance)\r\n\r\n    return instance\r\n  }\r\n})\r\n\r\n// 关闭指定 id 消息的静态方法\r\nMessage.close = (id, beforeClose) => {\r\n  const len = instances.length\r\n  let index = -1\r\n  let i\r\n  let offsetHeight\r\n\r\n  instances.forEach((instance, i) => {\r\n    // 在 instances 中通过 id 找到要关闭的消息\r\n    if (id === instance.id) {\r\n      offsetHeight = instance.$el.offsetHeight\r\n      index = i\r\n\r\n      // 关闭消息\r\n      if (isFunction(beforeClose)) {\r\n        beforeClose.call(instance)\r\n      }\r\n\r\n      instances.splice(i, 1)\r\n    }\r\n  })\r\n\r\n  if (len <= 1 || index === -1 || index > instances.length - 1) {\r\n    return false\r\n  }\r\n\r\n  i = index\r\n\r\n  // 界面中的消息逐个向上收起\r\n  for (; i < len - 1; i += 1) {\r\n    const dom = instances[i].$el\r\n\r\n    dom.style['top'] = parseInt(dom.style['top'], 10) - offsetHeight - 16 + 'px'\r\n  }\r\n}\r\n\r\n// 关闭所有消息的静态方法\r\nMessage.clear = () => {\r\n  let i = instances.length - 1\r\n  for (; i >= 0; i -= 1) {\r\n    instances[i].close()\r\n  }\r\n}\r\n\r\nexport default Message\r\n","import isString from './utils/types/isString'\r\nimport isElement from './utils/types/isElement'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport later from './utils/lang/later'\r\nimport icon from './utils/icons/icon'\r\n\r\nconst _updateSiblingElements = (siblingElement, isPrev) => {\r\n  let tagName\r\n  let $sibling = siblingElement\r\n\r\n  while ($sibling) {\r\n    tagName = $sibling.tagName.toLowerCase()\r\n\r\n    if (tagName !== 'script' && tagName !== 'style') {\r\n      addClass($sibling, 'outline-print_sibling')\r\n    }\r\n\r\n    if (isPrev) {\r\n      $sibling = $sibling.previousElementSibling\r\n    } else {\r\n      $sibling = $sibling.nextElementSibling\r\n    }\r\n  }\r\n}\r\n\r\nconst paintPrint = (el, title) => {\r\n  const $fragment = document.createDocumentFragment()\r\n  let text = title\r\n  let $el\r\n  let $wrapper\r\n  let $article\r\n  let $title\r\n  let $sibling\r\n  let $icon\r\n  let $children\r\n\r\n  if (isString(el)) {\r\n    $el = document.querySelector(el)\r\n  } else if (isElement(el)) {\r\n    $el = el\r\n  }\r\n\r\n  if (!$el) {\r\n    return false\r\n  }\r\n\r\n  $icon = icon('close', {\r\n    iconSet: 'outline',\r\n    size: 20,\r\n    attrs: {\r\n      className: 'outline-print__close'\r\n    }\r\n  })\r\n\r\n  $title = $el.querySelector('h1')\r\n\r\n  if (isElement(title)) {\r\n    $title = title\r\n  }\r\n\r\n  if (isElement($title)) {\r\n    text = $title.innerText\r\n  }\r\n\r\n  $title = createElement(\r\n    'h1',\r\n    {\r\n      className: 'outline-print__title'\r\n    },\r\n    text\r\n  )\r\n\r\n  $article = createElement('article', {\r\n    id: 'outline-print__article',\r\n    className: 'outline-print__article'\r\n  })\r\n\r\n  $wrapper = createElement(\r\n    'section',\r\n    {\r\n      id: 'outline-print',\r\n      className: 'outline-print'\r\n    },\r\n    [$icon, $title, $article]\r\n  )\r\n  document.body.appendChild($wrapper)\r\n\r\n  later(() => {\r\n    // 设置邻居节点的打印样式\r\n    $sibling = $wrapper.previousElementSibling\r\n    _updateSiblingElements($sibling, true)\r\n\r\n    $sibling = $wrapper.nextElementSibling\r\n    _updateSiblingElements($sibling)\r\n\r\n    // 克隆文章内容\r\n    $children = $el.cloneNode(true).childNodes\r\n    $children.forEach(($child) => {\r\n      $fragment.appendChild($child)\r\n    })\r\n    $article.appendChild($fragment)\r\n  })\r\n}\r\n\r\nexport default paintPrint\r\n","import later from './utils/lang/later'\nimport cloneDeep from './utils/lang/cloneDeep'\nimport isFunction from './utils/types/isFunction'\nimport isString from './utils/types/isString'\nimport isElement from './utils/types/isElement'\nimport addClass from './utils/dom/addClass'\nimport removeClass from './utils/dom/removeClass'\nimport scrollTo from './utils/dom/scrollTo'\nimport _getScrollElement from './utils/dom/_getScrollElement'\nimport at from './utils/event/at'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport stop from './utils/event/stop'\n\nimport Base from './base'\nimport Anchors from './anchors'\nimport Drawer from './drawer'\nimport Chapters from './chapters'\nimport Toolbar from './toolbar'\nimport Message from './message'\nimport paintPrint from './print'\n\nconst ENTER_READING_TIP = '进入阅读模式，按 ESC 键可退出阅读模式'\n\nclass Outline extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Outline.DEFAULTS)\n    this.anchors = null\n    this.drawer = null\n    this.chapters = null\n    this.toolbar = null\n    this.buttons = []\n    this.reading = false\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    this.attr(options)\n    this.$emit('created', { ...this.attr() })\n    this.render().addListeners()\n    return this\n  }\n\n  getChapters(isTreeStructured = false) {\n    return this.anchors.getChapters(isTreeStructured)\n  }\n\n  count() {\n    return this.anchors.count()\n  }\n\n  render() {\n    const scrollElement = this.attr('scrollElement')\n    const $scrollElement = document.querySelector(scrollElement)\n\n    this._renderPrint()._renderAnchors()._renderChapters()._renderToolbar()\n\n    if ($scrollElement) {\n      this.onToolbarUpdate({\n        top: $scrollElement.scrollTop,\n        min: 0,\n        max: $scrollElement.scrollHeight\n      })\n    }\n\n    this.$emit('mounted')\n\n    return this\n  }\n\n  _renderPrint() {\n    const option = this.attr('print')\n    const articleElement = this.attr('articleElement')\n    let $articleElement\n    let $print\n    let element\n\n    if (!option.element) {\n      return this\n    }\n\n    if (isString(articleElement)) {\n      $articleElement = document.querySelector(articleElement)\n    } else if (isElement(articleElement)) {\n      $articleElement = articleElement\n    }\n\n    addClass($articleElement, 'outline-article')\n\n    element = option.element\n\n    if (isString(element)) {\n      $print = document.querySelector(element)\n    } else if (isElement(element)) {\n      $print = element\n    }\n\n    paintPrint($print, option.title)\n\n    return this\n  }\n\n  _renderAnchors() {\n    const articleElement = this.attr('articleElement')\n    const selector = this.attr('selector')\n    const stickyHeight = this.attr('stickyHeight')\n    const scrollElement = this.attr('scrollElement')\n    const showCode = this.attr('showCode')\n    const anchorURL = this.attr('anchorURL')\n    const afterScroll = this.attr('afterScroll')\n    const chapterTextFilter = this.attr('chapterTextFilter')\n\n    this.anchors = new Anchors({\n      articleElement,\n      stickyHeight,\n      scrollElement,\n      selector,\n      showCode,\n      anchorURL,\n      afterScroll,\n      chapterTextFilter\n    })\n\n    return this\n  }\n\n  _renderChapters() {\n    const title = this.attr('title')\n    const stickyHeight = this.attr('stickyHeight')\n    const scrollElement = this.attr('scrollElement')\n    const customClass = this.attr('customClass')\n    const showCode = this.attr('showCode')\n    const animationCurrent = this.attr('animationCurrent')\n    const position = this.attr('position')\n    const placement = this.attr('placement')\n    const afterSticky = this.attr('afterSticky')\n    const afterToggle = this.attr('afterToggle')\n    const afterScroll = this.attr('afterScroll')\n    const count = this.count()\n    let parentElement = this.attr('parentElement')\n    let CHAPTERS_OPTIONS\n\n    if (count < 1) {\n      return this\n    }\n\n    CHAPTERS_OPTIONS = {\n      scrollElement,\n      showCode,\n      animationCurrent,\n      position,\n      title,\n      stickyHeight,\n      chapters: this.getChapters(),\n      afterSticky,\n      afterToggle,\n      afterScroll\n    }\n\n    if (position === 'relative') {\n      this.drawer = new Drawer({\n        placement,\n        title,\n        size: 'tiny',\n        hasOffset: true,\n        hasPadding: false,\n        customClass,\n        afterClosed: () => {\n          const toolbar = this.toolbar\n          toolbar.toggle()\n        }\n      })\n      parentElement = this.drawer.$main\n    } else {\n      CHAPTERS_OPTIONS.customClass = customClass\n    }\n\n    CHAPTERS_OPTIONS.parentElement = parentElement\n    this.chapters = new Chapters(CHAPTERS_OPTIONS)\n\n    return this\n  }\n\n  _renderToolbar() {\n    const placement = this.attr('placement')\n    const homepage = this.attr('homepage')\n    const git = this.attr('git')\n    const tags = this.attr('tags')\n    const issues = this.attr('issues')\n    const tools = this.attr('tools')\n    const option = this.attr('print')\n    const count = this.count()\n    const UP = {\n      name: 'up',\n      icon: 'up',\n      size: 20,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:up'\n      }\n    }\n    const HOME = {\n      name: 'homepage',\n      icon: 'homepage',\n      size: 20,\n      link: homepage\n    }\n    const GIT = {\n      name: 'github',\n      icon: 'github',\n      size: 20,\n      link: git\n    }\n    const TAGS = {\n      name: 'tags',\n      icon: 'tags',\n      size: 20,\n      link: tags\n    }\n    const ISSUES = {\n      name: 'issues',\n      icon: 'issues',\n      size: 20,\n      link: issues\n    }\n    const MENU = {\n      name: 'menu',\n      icon: 'menu',\n      size: 18,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:toggle'\n      }\n    }\n    const READING = {\n      name: 'reading',\n      icon: 'file',\n      size: 18,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:reading'\n      }\n    }\n    const PRINT = {\n      name: 'print',\n      icon: 'print',\n      size: 20,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:print'\n      }\n    }\n    const DOWN = {\n      name: 'down',\n      icon: 'down',\n      size: 20,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:down'\n      }\n    }\n    const buttons = []\n\n    buttons.push(UP)\n    if (count > 0) {\n      buttons.push(MENU)\n    }\n    if (homepage) {\n      buttons.push(HOME)\n    }\n    if (git) {\n      buttons.push(GIT)\n    }\n    if (tags) {\n      buttons.push(TAGS)\n    }\n    if (issues) {\n      buttons.push(ISSUES)\n    }\n    if (option.element) {\n      buttons.push(READING)\n      if (isFunction(print)) {\n        buttons.push(PRINT)\n      }\n    }\n    if (tools?.length > 0) {\n      buttons.push(...tools)\n    }\n    buttons.push(DOWN)\n    this.buttons = [...buttons]\n\n    this.toolbar = new Toolbar({\n      placement,\n      buttons\n    })\n\n    return this\n  }\n\n  addButton(button) {\n    const toolbar = this.toolbar\n    const buttons = this.buttons\n    buttons.splice(-1, 0, button)\n    toolbar.attr({\n      buttons\n    })\n    toolbar.refresh()\n    return this\n  }\n\n  removeButton(name) {\n    this.toolbar.remove(name)\n    return this\n  }\n\n  toTop() {\n    const afterScroll = this.attr('afterScroll')\n    const toolbar = this.toolbar\n    const chapters = this.chapters\n    const count = this.count()\n    const afterTop = () => {\n      toolbar.hide('up')\n      toolbar.show('down')\n\n      if (count > 0) {\n        chapters.highlight(0)\n        chapters.playing = false\n      }\n\n      if (isFunction(afterScroll)) {\n        afterScroll.call(toolbar, 'up')\n      }\n    }\n\n    if (count > 0) {\n      chapters.playing = true\n    }\n    this.scrollTo(0, afterTop)\n\n    return this\n  }\n\n  toBottom() {\n    const afterScroll = this.attr('afterScroll')\n    const $scrollElement = _getScrollElement(this.attr('scrollElement'))\n    const toolbar = this.toolbar\n    const chapters = this.chapters\n    const count = this.count()\n    const top = Math.floor(\n      $scrollElement.scrollHeight - $scrollElement.clientHeight\n    )\n    const afterDown = () => {\n      toolbar.hide('down')\n      toolbar.show('up')\n\n      if (count > 0) {\n        chapters.highlight(count - 1)\n        chapters.playing = false\n      }\n\n      if (isFunction(afterScroll)) {\n        afterScroll.call(toolbar, 'bottom')\n      }\n    }\n\n    if (count > 0) {\n      chapters.playing = true\n    }\n    this.scrollTo(top, afterDown)\n\n    return this\n  }\n\n  scrollTo(top, afterScroll) {\n    const scrollElement = this.attr('scrollElement')\n    scrollTo(scrollElement, top, afterScroll)\n    return this\n  }\n\n  enterReading() {\n    const READING = 'outline-reading'\n    const HIDDEN = `${READING}_hidden`\n    const $reading = document.querySelector('#outline-print')\n    const $siblings = document.querySelectorAll('.outline-print_sibling')\n    const options = this.attr('print')\n    const enterReadingTip = options.enterReadingTip || ENTER_READING_TIP\n\n    if (this.reading || !$reading) {\n      return this\n    }\n\n    $siblings.forEach(($sibling) => {\n      addClass($sibling, HIDDEN)\n    })\n    addClass($reading, READING)\n    this.reading = true\n\n    this.toolbar.toggle()\n\n    Message.info({\n      round: true,\n      message: enterReadingTip\n    })\n\n    this.$emit('enterReading')\n\n    return this\n  }\n\n  exitReading() {\n    const READING = 'outline-reading'\n    const HIDDEN = `${READING}_hidden`\n    const $reading = document.querySelector('#outline-print')\n    const $siblings = document.querySelectorAll('.outline-print_sibling')\n\n    if (!this.reading || !$reading) {\n      return this\n    }\n\n    removeClass($reading, READING)\n    $siblings.forEach(($sibling) => {\n      removeClass($sibling, HIDDEN)\n    })\n    this.reading = false\n\n    this.toolbar.toggle()\n\n    this.$emit('exitReading')\n\n    return this\n  }\n\n  switchReading() {\n    const $print = document.querySelector('#outline-print')\n\n    if (!$print) {\n      return this\n    }\n\n    if (!this.reading) {\n      this.enterReading()\n    } else {\n      this.exitReading()\n    }\n\n    return this\n  }\n\n  toggle() {\n    const position = this.attr('position')\n    const toolbar = this.toolbar\n    const drawer = this.drawer\n    const chapters = this.chapters\n    const count = this.count()\n\n    if (count < 1) {\n      return this\n    }\n\n    if (position !== 'relative') {\n      chapters.toggle()\n      toolbar.highlight('menu')\n    } else {\n      toolbar.toggle()\n\n      later(() => {\n        drawer.toggle()\n      })\n    }\n\n    return this\n  }\n\n  print() {\n    if (!isFunction(print)) {\n      return this\n    }\n\n    print()\n\n    return this\n  }\n\n  destroy() {\n    let anchors = this.anchors\n    let chapters = this.chapters\n    let drawer = this.drawer\n    let toolbar = this.toolbar\n    let isOutside = false\n    const count = this.count()\n    const $print = document.querySelector('#outline-print')\n\n    this.$emit('beforeDestroy')\n\n    this.removeListeners()\n\n    if ($print) {\n      document.body.removeChild($print)\n    }\n\n    if (count > 0) {\n      isOutside = chapters.isOutside()\n\n      chapters.destroy()\n      chapters = null\n\n      if (isOutside) {\n        drawer.destroy()\n        drawer = null\n      }\n    }\n\n    toolbar.destroy()\n    toolbar = null\n\n    anchors.destroy()\n    anchors = null\n\n    this.attr(Outline.DEFAULTS)\n\n    this.$emit('destroyed')\n\n    return this\n  }\n\n  onToggle() {\n    this.toggle()\n    return this\n  }\n\n  onScrollTop() {\n    this.toTop()\n    return this\n  }\n\n  onScrollBottom() {\n    this.toBottom()\n    return this\n  }\n\n  onEnterReading() {\n    this.switchReading()\n    return this\n  }\n\n  onExitReading(evt) {\n    const keyCode = evt.keyCode\n\n    if (keyCode === 27 && this.reading) {\n      this.switchReading()\n      stop(evt)\n    }\n\n    return this\n  }\n\n  onPrint() {\n    this.print()\n\n    return this\n  }\n\n  onToolbarUpdate({ top, min, max }) {\n    const toolbar = this.toolbar\n    const current = Math.ceil(top)\n\n    if (current <= min) {\n      toolbar.hide('up')\n      toolbar.show('down')\n    } else if (current >= max) {\n      toolbar.hide('down')\n      toolbar.show('up')\n    } else if (current > min && current < max) {\n      toolbar.show('up')\n      toolbar.show('down')\n    }\n\n    return this\n  }\n\n  addListeners() {\n    const $print = document.querySelector('#outline-print')\n\n    this.$on('toolbar:update', this.onToolbarUpdate)\n    this.$on('toolbar:action:up', this.onScrollTop)\n    this.$on('toolbar:action:toggle', this.onToggle)\n    this.$on('toolbar:action:reading', this.onEnterReading)\n    this.$on('toolbar:action:down', this.onScrollBottom)\n\n    if ($print) {\n      at(document, 'keyup', this.onExitReading, this, true)\n      on($print, '.outline-print__close', 'click', this.exitReading, this, true)\n      this.$on('toolbar:action:print', this.onPrint)\n    }\n\n    return this\n  }\n\n  removeListeners() {\n    const $print = document.querySelector('#outline-print')\n\n    this.$off('toolbar:update')\n    this.$off('toolbar:action:up')\n    this.$off('toolbar:action:toggle')\n    this.$off('toolbar:action:down')\n\n    if ($print) {\n      off(document, 'keyup', this.onExitReading)\n      off($print, 'click', this.exitReading)\n      this.$off('toolbar:action:print')\n    }\n\n    return this\n  }\n}\n\nOutline.DEFAULTS = {\n  articleElement: '#article',\n  selector: 'h2,h3,h4,h5,h6',\n  title: '目录',\n  scrollElement: 'html,body',\n  position: 'relative',\n  parentElement: '#aside',\n  placement: 'rtl',\n  animationCurrent: true,\n  showCode: true,\n  anchorURL: '',\n  stickyHeight: 0,\n  homepage: '',\n  git: '',\n  tags: '',\n  issues: '',\n  tools: [],\n  print: {\n    element: '',\n    title: '',\n    enterReadingTip: ENTER_READING_TIP\n  },\n  customClass: '',\n  afterSticky: null,\n  afterToggle: null,\n  afterScroll: null,\n  chapterTextFilter: null\n}\n\nif (window.jQuery) {\n  // 将 Outline 扩展为一个 jquery 插件\n  // eslint-disable-next-line no-undef\n  jQuery.extend(jQuery.fn, {\n    outline: function (options) {\n      // eslint-disable-next-line no-undef\n      let $article = jQuery(this)\n\n      return new Outline(\n        // eslint-disable-next-line no-undef\n        jQuery.extend({}, options, {\n          articleElement: $article\n        })\n      )\n    }\n  })\n}\n\nexport default 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\ No newline at end of file
+{"version":3,"file":"outline.min.js","sources":["../../utils/lang/toString.js","../../utils/types/isFunction.js","../../utils/lang/later.js","../../utils/types/isObject.js","../../utils/types/isArray.js","../../utils/lang/cloneDeep.js","../../utils/types/isString.js","../../utils/types/isElement.js","../../utils/dom/hasClass.js","../../utils/dom/addClass.js","../../utils/lang/trim.js","../../utils/dom/removeClass.js","../../utils/lang/easeInQuad.js","../../utils/dom/_getScrollElement.js","../../utils/dom/scrollTo.js","../../utils/event/enum.js","../../utils/event/_off.js","../../utils/event/_delete.js","../../utils/event/purgeElement.js","../../utils/event/getListeners.js","../../utils/event/off.js","../../utils/event/at.js","../../utils/dom/matches.js","../../utils/dom/getParentOrHost.js","../../utils/event/on.js","../../utils/event/getTarget.js","../../utils/dom/resolveTextNode.js","../../utils/dom/closest.js","../../utils/event/stop.js","../../utils/lang/hasOwn.js","../../utils/lang/extend.js","../../utils/observer/_subscribers.js","../../utils/observer/_hasDirectSubscribersFor.js","../../utils/observer/has.js","../../utils/observer/_hasSubscribers.js","../../utils/observer/emit.js","../../utils/types/isTypedArray.js","../../utils/lang/guid.js","../../utils/observer/_removeSubscriber.js","../../utils/observer/off.js","../../utils/observer/_removeSubscriberByToken.js","../../base.js","../../utils/observer/on.js","../../utils/lang/timeSlice.js","../../utils/dom/offsetTop.js","../../utils/icons/symbols.js","../../utils/icons/defaults.js","../../utils/icons/getSymbols.js","../../utils/icons/getSymbol.js","../../utils/icons/paint.js","../../utils/icons/add.js","../../utils/types/isDOM.js","../../utils/types/isHTMLCollection.js","../../utils/types/isFragment.js","../../utils/types/isTextNode.js","../../utils/dom/setAttribute.js","../../utils/dom/setAttributes.js","../../utils/dom/createElement.js","../../utils/icons/createElement.js","../../utils/types/isSVG.js","../../utils/icons/icon.js","../../_resetHeading.js","../../utils/types/isEmpty.js","../../getChapters.js","../../utils/lang/stripTags.js","../../_getChapterParentIdByDiffer.js","../../_getChaptersWithCode.js","../../anchors.js","../../utils/lang/toTree.js","../../_updateHeading.js","../../utils/dom/setProperty.js","../../zIndex.js","../../drawer.js","../../utils/dom/intersection.js","../../utils/dom/getStyle.js","../../chapters.js","../../_paintChapters.js","../../_createButton.js","../../toolbar.js","../../utils/types/isObjectLike.js","../../utils/types/isPlainObject.js","../../utils/lang/stripScripts.js","../../utils/lang/encodeHTML.js","../../message.js","../../print.js","../../outline.js"],"sourcesContent":["/**\n * Object 对象原型上的 toString 方法\n * ========================================================================\n * @method toString\n * @param {*} val\n * @returns {string}\n */\nconst toString = (val) => {\n  return Object.prototype.toString.apply(val)\n}\n\nexport default toString\n","import toString from '../lang/toString'\n\n/**\n * 检测测试数据是否为 Function 类型\n * ========================================================================\n * @method isFunction\n * @param {*} val - （必须）待检测的数据\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\n */\nconst isFunction = (val) => {\n  return typeof val === 'function' || toString(val) === '[object Function]'\n}\n\nexport default isFunction\n","import isFunction from '../types/isFunction'\n\n/**\n * later - 延迟执行方法\n * ========================================================================\n * @method later\n * @param {Function} fn\n * @param {Number} [delay]\n * @returns {number|boolean}\n */\nconst later = (fn, delay = 300) => {\n  if (!isFunction(fn)) {\n    return false\n  }\n\n  return setTimeout(() => {\n    fn()\n  }, delay)\n}\n\nexport default later\n","import toString from '../lang/toString'\nimport isFunction from './isFunction'\n\n/**\n * 检测数据是否为 Object 类型\n * ========================================================================\n * @method isObject\n * @param {*} o\n * @returns {boolean}\n */\nconst isObject = (o) => {\n  return (\n    (toString(o) === '[object Object]' ||\n      typeof o === 'object' ||\n      isFunction(o)) &&\n    o !== null\n  )\n}\n\nexport default isObject\n","import toString from '../lang/toString'\n\n/**\n * 检测数据是否为 Array 类型\n * ========================================================================\n * @method isArray\n * @param {*} o\n * @returns {boolean}\n */\nconst isArray = (o) => {\n  if (Array.isArray) {\n    return Array.isArray(o)\n  } else {\n    return toString(o) === '[object Array]'\n  }\n}\n\nexport default isArray\n","import isObject from '../types/isObject'\r\nimport isArray from '../types/isArray'\r\n\r\n/**\r\n * 深拷贝对象函数\r\n * ========================================================================\r\n * @methods cloneDeep\r\n * @param {Object} obj - 深拷贝的对象\r\n * @returns {Array|Object|*}\r\n *\r\n * @example\r\n * const arr = cloneDeep([2,3,4,6])\r\n * => [2,3,4,6]\r\n */\r\nconst cloneDeep = (obj) => {\r\n  let clone = {}\r\n\r\n  if (obj === null) {\r\n    return null\r\n  }\r\n\r\n  if (isArray(obj)) {\r\n    clone = Array.from(obj)\r\n  } else {\r\n    clone = Object.assign({}, obj)\r\n    Object.keys(clone).forEach((key) => {\r\n      return (clone[key] = isObject(obj[key]) ? cloneDeep(obj[key]) : obj[key])\r\n    })\r\n  }\r\n\r\n  return clone\r\n}\r\n\r\nexport default cloneDeep\r\n","/**\n * 检测数据是否为 String 类型\n * ========================================================================\n * @method isArray\n * @param {*} str\n * @returns {boolean}\n */\nconst isString = (str) => {\n  return typeof str === 'string'\n}\n\nexport default isString\n","import isObject from './isObject'\n\n/**\n * 检测数据是否为 HTMLElement DOM 节点\n * ========================================================================\n * @method isElement\n * @param {*} o\n * @returns {boolean}\n */\nconst isElement = (o) => {\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\n}\n\nexport default isElement\n","import isElement from '../types/isElement'\n/**\n * 检测 DOM 节点是否包含名为 className 的样式\n * ========================================================================\n * @method hasClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst hasClass = (el, className) => {\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\n  let allClass\n  let classList\n\n  if (!isElement(el)) {\n    return false\n  }\n\n  allClass = el.className\n\n  if (!allClass) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.contains) {\n    return el.classList.contains(className)\n  }\n\n  return !!pattern.exec(allClass)\n}\n\nexport default hasClass\n","import hasClass from './hasClass'\n\n/**\n * 给 DOM 节点添加名为 className 的样式\n * ========================================================================\n * @method addClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst addClass = (el, className) => {\n  let classList\n  let allClass\n\n  if (hasClass(el, className)) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.add) {\n    classList.add(className)\n  } else {\n    allClass = el.className\n    allClass += allClass.length > 0 ? ' ' + className : className\n    el.className = allClass\n  }\n}\n\nexport default addClass\n","import isString from '../types/isString'\n\n/**\n * 清楚字符串起始位置所有的空格\n * ========================================================================\n * @method trim\n * @param {string} str\n * @returns {string|Boolean}\n */\nconst trim = (str) => {\n  if (!isString(str)) {\n    return false\n  }\n  return str.replace(/(^\\s+)|(\\s+$)/g, '')\n}\n\nexport default trim\n","import trim from '../lang/trim'\nimport hasClass from './hasClass'\n\n/**\n * 移除 DOM 节点的 className 样式\n * ========================================================================\n * @method removeClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst removeClass = (el, className) => {\n  let allClass = el.className\n  let classList\n\n  if (!allClass || !hasClass(el, className)) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.remove) {\n    classList.remove(className)\n  } else {\n    allClass = trim(allClass.replace(className, ''))\n    el.className = allClass\n  }\n}\n\nexport default removeClass\n","/**\n * 返回给定值的平方值\n * ========================================================================\n * @method easeInQuad\n * @param {Number} x\n * @returns {number}\n */\nconst easeInQuad = (x) => {\n  return x * x\n}\n\nexport default easeInQuad\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\n\n/**\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\n * ========================================================================\n * @method _getScrollElement\n * @param {String|HTMLElement} scrollElement\n * @returns {Element}\n * @private\n */\nconst _getScrollElement = (scrollElement = null) => {\n  let $rootElements\n  let $scrollElement\n\n  if (!scrollElement) {\n    $rootElements = document.querySelectorAll('html,body')\n    $scrollElement =\n      $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\n        ? $rootElements[0]\n        : $rootElements[1]\n  } else {\n    if (isString(scrollElement)) {\n      $scrollElement = document.querySelector(scrollElement)\n    } else if (isElement(scrollElement)) {\n      $scrollElement = scrollElement\n    }\n  }\n\n  return $scrollElement\n}\n\nexport default _getScrollElement\n","import easeInQuad from '../lang/easeInQuad'\nimport isFunction from '../types/isFunction'\nimport _getScrollElement from './_getScrollElement'\n\n/**\n * 指定 rootElement DOM 节点滚动到指定 top 位置\n * ========================================================================\n * @method scrollTo\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\n * @param {Number} top - （必须）滚动的 scrollTop 数值\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\n */\nconst scrollTo = (scrollElement, top, afterStop) => {\n  const $scrollElement = _getScrollElement(scrollElement)\n  let scrollTop = $scrollElement.scrollTop\n  let step = 0\n  const distance = top - scrollTop\n  const MAX_HEIGHT = $scrollElement.scrollHeight\n  const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\n  const stop = (top) => {\n    if (isFunction(afterStop)) {\n      afterStop(top)\n    }\n\n    return false\n  }\n  const play = () => {\n    step += 1\n\n    // 向上滚动\n    if (distance < 0) {\n      scrollTop -= easeInQuad(step)\n      $scrollElement.scrollTop = scrollTop\n\n      if (scrollTop <= top) {\n        $scrollElement.scrollTop = top\n        return stop(top)\n      }\n    } else {\n      scrollTop += easeInQuad(step)\n      $scrollElement.scrollTop = scrollTop\n\n      if (scrollTop >= MAX_TOP) {\n        $scrollElement.scrollTop = MAX_TOP\n        return stop(MAX_TOP)\n      }\n    }\n\n    requestAnimationFrame(play)\n  }\n\n  requestAnimationFrame(play)\n}\n\nexport default scrollTo\n","export const CAPTURE_EVENTS = [\n  'focusout',\n  'blur',\n  'focusin',\n  'focus',\n  'load',\n  'unload',\n  'mouseenter',\n  'mouseleave'\n]\n","import { CAPTURE_EVENTS } from './enum'\nimport _delete from './_delete'\n\n/**\n * （私有方法）取消 type 类型的代理事件绑定\n * ========================================================================\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\n * ========================================================================\n * @method _off\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} fn - （必须）事件处理器回调函数\n * @private\n */\nconst _off = (el, type, fn) => {\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n  /* istanbul ignore else */\n  if (fn._delegateListener) {\n    fn = fn._delegateListener\n    delete fn._delegateListener\n  }\n\n  // 移除缓存的 _listeners 数据\n  _delete(el, type, fn)\n\n  el.removeEventListener(type, fn, capture)\n}\n\nexport default _off\n","/**\n * 删除 DOM 元素缓存的 _listeners 数据\n * ========================================================================\n * @method _delete\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\n * @param {String} type - 事件类型（名称）\n * @param {Function} [fn] - 事件处理器回调函数\n */\nconst _delete = function (el, type, fn) {\n  const listeners = el._listeners\n  let index = -1\n\n  if (listeners.length < 1) {\n    return false\n  }\n\n  // 移除缓存的 _listeners 数据\n  listeners.forEach((listener, i) => {\n    const handler = listener.fn\n\n    if (type === listener.type) {\n      index = i\n\n      if (handler === fn) {\n        index = i\n      }\n    }\n  })\n\n  /* istanbul ignore else */\n  if (index > -1) {\n    listeners.splice(index, 1)\n  }\n}\n\nexport default _delete\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\nimport getListeners from './getListeners'\nimport _off from './_off'\n\n/**\n * 销毁（type 类型的）代理事件绑定\n * ========================================================================\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\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\n * ========================================================================\n * @method purgeElement\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\n * @param {String|Boolean} type - （必须）事件类型\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\n */\nconst purgeElement = function (el, type, recurse = false) {\n  const $element = isString(el) ? document.querySelector(el) : el\n  const $children = $element.childNodes\n  const listeners = getListeners($element, type)\n\n  listeners.forEach((listener) => {\n    _off($element, listener.type, listener.fn)\n  })\n\n  if (\n    (recurse || type === true || arguments.length === 1) &&\n    $element &&\n    $children\n  ) {\n    $children.forEach(($child) => {\n      if (isElement($child)) {\n        purgeElement($child, type, recurse)\n      }\n    })\n  }\n}\n\nexport default purgeElement\n","import isString from '../types/isString'\n\n/**\n * 获取 DOM 元素（type 事件类型）事件绑定信息\n * ========================================================================\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\n * ========================================================================\n * @methods getListeners\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\n * @param {String} [type] - （可选）事件类型\n * @returns {Array} - 已绑定的事件信息\n */\nconst getListeners = (el, type) => {\n  let listeners = el._listeners || []\n\n  if (isString(type) && type) {\n    listeners = listeners.filter((listener) => {\n      return listener.type === type\n    })\n  }\n\n  return listeners\n}\n\nexport default getListeners\n","import purgeElement from './purgeElement'\nimport isFunction from '../types/isFunction'\nimport _off from './_off'\n\n/**\n * 取消 type 类型的代理事件绑定\n * ========================================================================\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\n * ========================================================================\n * @method off\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} [fn] - （可选）事件处理器回调函数\n */\nconst off = (el, type, fn) => {\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\n  if (!isFunction(fn)) {\n    return purgeElement(el, type)\n  }\n\n  _off(el, type, fn)\n}\n\nexport default off\n","import isFunction from '../types/isFunction'\nimport off from './off'\n\nimport { CAPTURE_EVENTS } from './enum'\n\n/**\n * 绑定事件\n * ========================================================================\n * @method at\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\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\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，\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\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\n * @param {Boolean} once - （可选）是否仅触发一次\n */\nconst at = (el, type, fn, data, context, once = false) => {\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n  const listener = function (evt) {\n    let overrideContext = context || el\n\n    // 当设置为 true 时，则事件处理器回调函数的\n    // this 上下文指向为 data 对象\n    if (context === true) {\n      overrideContext = data\n    }\n\n    // 仅触发一次\n    /* istanbul ignore else */\n    if (once === true) {\n      off(el, type, listener)\n    }\n\n    fn.call(overrideContext, evt, data)\n  }\n\n  if (!isFunction(fn)) {\n    return false\n  }\n\n  if (!el._listeners) {\n    el._listeners = []\n  }\n\n  // 缓存 options 元素绑定的事件处理器\n  el._listeners.push({\n    el,\n    type,\n    fn: listener,\n    data,\n    context,\n    capture\n  })\n\n  // 缓存包装后的事件处理器\n  fn._delegateListener = listener\n\n  el.addEventListener(type, listener, capture)\n}\n\nexport default at\n","/**\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\n * ========================================================================\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\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\n * 标 DOM 元素是否为事件代理所期望触发的目标。\n * ========================================================================\n * @method matches\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\n * @returns {Boolean}\n */\nconst matches = (el, selector = '') => {\n  const sel = selector.replace(/^>/i, '')\n\n  if (!selector || !sel || !el) {\n    return false\n  }\n\n  /* istanbul ignore else */\n  if (el.matches) {\n    return el.matches(sel)\n  } else if (el.msMatchesSelector) {\n    return el.msMatchesSelector(sel)\n  } else {\n    return false\n  }\n}\n\nexport default matches\n","/**\n * 获取 DOM 元素的父节点\n * ========================================================================\n * @method getParentOrHost\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\n * @returns {*|HTMLElement}\n */\nconst getParentOrHost = (el) => {\n  return el.host && el !== document && el.host.nodeType\n    ? el.host\n    : el.parentNode\n}\n\nexport default getParentOrHost\n","import closest from '../dom/closest'\nimport off from './off'\nimport getTarget from './getTarget'\n\nimport { CAPTURE_EVENTS } from './enum'\n\n/**\n * 绑定代理事件\n * ========================================================================\n * @method on\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\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\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，\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\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\n * @param {Boolean} once - （可选）是否仅触发一次\n */\nconst on = (el, selector, type, fn, data, context, once = false) => {\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n  const listener = function (evt) {\n    const target = getTarget(evt)\n    // 通过 Element.matches 方法获得点击的目标元素\n    const delegateTarget = closest(target, selector, el)\n    let overrideContext = context || el\n\n    evt.delegateTarget = delegateTarget\n\n    // 当设置为 true 时，则事件处理器回调函数的\n    // this 上下文指向为 data 对象\n    if (context === true) {\n      overrideContext = data\n    }\n\n    /* istanbul ignore else */\n    if (delegateTarget) {\n      // 仅触发一次\n      /* istanbul ignore else */\n      if (once === true) {\n        off(el, type, listener)\n      }\n\n      fn.call(overrideContext, evt, data)\n    }\n  }\n\n  if (!el._listeners) {\n    el._listeners = []\n  }\n\n  // 缓存 options 元素绑定的事件处理器\n  el._listeners.push({\n    el,\n    selector,\n    type,\n    fn: listener,\n    data,\n    context,\n    capture\n  })\n\n  // 缓存包装后的事件处理器\n  fn._delegateListener = listener\n\n  el.addEventListener(type, listener, capture)\n}\n\nexport default on\n","import resolveTextNode from '../dom/resolveTextNode'\n\n/**\n * 返回触发事件的 target DOM 元素\n * ========================================================================\n * @method getTarget\n * @param {Event} evt - Event 对象\n * @return {HTMLElement} - Event 对象的 target DOM 元素\n */\nconst getTarget = function (evt) {\n  const target = evt.target\n\n  return resolveTextNode(target)\n}\n\nexport default getTarget\n","/**\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。\n * resolveTextNode() 方法则会返回实际的目标节点。\n * ========================================================================\n * @method resolveTextNode\n * @param {HTMLElement|Text} el - 要解析的节点\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\n */\nconst resolveTextNode = function (el) {\n  if (el && el.nodeType === 3) {\n    return el.parentNode\n  }\n\n  return el\n}\n\nexport default resolveTextNode\n","import matches from './matches'\nimport getParentOrHost from './getParentOrHost'\n\n/**\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\n * ========================================================================\n * @method closest\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）DOM 元素的选择其\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\n */\nconst closest = (el, selector, ctx, includeCTX) => {\n  const context = ctx || document\n\n  if (!el) {\n    return null\n  }\n\n  do {\n    /* istanbul ignore else */\n    if (\n      (selector != null &&\n        (selector.startsWith('>')\n          ? el.parentNode === context && matches(el, selector)\n          : matches(el, selector))) ||\n      (includeCTX && el === context)\n    ) {\n      return el\n    }\n\n    /* istanbul ignore else */\n    if (el === context) {\n      break\n    }\n\n    /* jshint boss:true */\n  } while ((el = getParentOrHost(el)))\n}\n\nexport default closest\n","/**\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\n * ========================================================================\n * @method stop\n * @param {Event} evt - 事件对象\n *\n * @example\n * 
\n *   Service\n *   Help\n * 
\n *\n * const $nav = document.querySelector('#nav')\n * const $service = document.querySelector('.anchor')\n *\n * on($nav, 'click', function(evt) {\n *   console.log('你点击了导航栏')\n * })\n *\n * on($anchor, 'click', function(evt) {\n *   console.log('tagName', this.tagName)\n *\n *   // 工作台输出：'a'\n *   // 不会触发事件冒泡，输出：'你点击了导航栏'\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\n *   stopEvent(evt)\n * })\n */\nconst stop = function (evt) {\n  evt.stopPropagation()\n  evt.preventDefault()\n}\n\nexport default stop\n","/**\n * 检测对象自身属性中是否具有指定的属性。\n * ========================================================================\n * @method hasOwn\n * @param {Object} obj - （必须）检测的目标对象\n * @param {String} prop - （必须）属性名\n * @returns {Boolean}\n */\nconst hasOwn = (obj, prop) => {\n  const hasOwnProperty = Object.prototype.hasOwnProperty\n  return obj && hasOwnProperty.call(obj, prop)\n}\n\nexport default hasOwn\n","import hasOwn from './hasOwn'\n\n/**\n * 扩展对象\n * ========================================================================\n * @method extend\n * @param {Object} origin\n * @param {Object} source\n */\nconst extend = (origin, source) => {\n  const keys = Object.keys(source)\n\n  keys.forEach((prop) => {\n    if (hasOwn(source, prop)) {\n      origin[prop] = source[prop]\n    }\n  })\n}\n\nexport default extend\n","/**\n * 存储订阅者（主题和处理器的）私有对象\n * ========================================================================\n * @type {{}}\n * @private\n */\nconst _subscribers = {}\n\nexport default _subscribers\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\n * ========================================================================\n * @method _hasDirectSubscribersFor\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasDirectSubscribersFor = (topic) => {\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\n}\n\nexport default _hasDirectSubscribersFor\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\nimport _hasSubscribers from './_hasSubscribers'\n\n/**\n * 判断是否存在包含 topic 指定的订阅者信息\n * ========================================================================\n * @method has\n * @param {String} topic - （必须）主题名称\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\n * @returns {Boolean}\n */\nconst has = (topic, isDirect = true) => {\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\n}\n\nexport default has\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * 判断是否存在包含给定 topic 相关的订阅者信息\n * ========================================================================\n * @method _hasSubscribers\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasSubscribers = (topic) => {\n  let found = _hasDirectSubscribersFor(topic)\n  let position = topic.lastIndexOf('.')\n\n  while (!found && position !== -1) {\n    topic = topic.substring(0, position)\n    position = topic.lastIndexOf('.')\n    found = _hasDirectSubscribersFor(topic)\n  }\n\n  return found\n}\n\nexport default _hasSubscribers\n","import isTypedArray from '../types/isTypedArray'\nimport _subscribers from './_subscribers'\nimport has from './has'\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * （异步）发布订阅主题信息\n * ========================================================================\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。\n * ========================================================================\n * @method emit\n * @param {String} topic - （必须）主题名称\n * @param {Object} [data] - （可选）数据对象\n * @param {Boolean} [async] - (可选) 是否异步发布\n */\nconst emit = (topic, data, async = true) => {\n  const execute = (topic) => {\n    if (!_hasDirectSubscribersFor(topic)) {\n      return false\n    }\n\n    _subscribers[topic].forEach((subscriber) => {\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\n      // 采用 toString() 方法转化为普通（JSON）字符串\n      const message = isTypedArray(data) ? data.toString() : data\n\n      subscriber.callback.call(subscriber.context || subscriber, message)\n    })\n  }\n  const deliver = () => {\n    let subscriber = topic\n    let position = topic.lastIndexOf('.')\n\n    while (position !== -1) {\n      subscriber = subscriber.substring(0, position)\n      position = subscriber.lastIndexOf('.')\n\n      execute(subscriber)\n    }\n\n    // 执行 topic 对应的处理器\n    execute(topic)\n    // 执行特殊 topic：'*'（监听全部消息的发布）\n    execute('*')\n  }\n\n  if (!has(topic)) {\n    return false\n  }\n\n  if (async) {\n    setTimeout(deliver, 10)\n  } else {\n    deliver()\n  }\n}\n\nexport default emit\n","import toString from '../lang/toString'\n/**\n * 判断检测数据是否为 Typed Arrays 类型的数据\n * ========================================================================\n * @param {*} val\n * @returns {boolean}\n */\nconst isTypedArray = (val) => {\n  const TYPES = [\n    '[object Int8Array]',\n    '[object Uint8Array]',\n    '[object Uint8ClampedArray]',\n    '[object Int16Array]',\n    '[object Uint16Array]',\n    '[object Int32Array]',\n    '[object Uint32Array]',\n    '[object Float32Array]',\n    '[object Float64Array]',\n    '[object BigInt64Array]',\n    '[object BigUint64Array]'\n  ]\n\n  return TYPES.indexOf(toString(val)) > -1\n}\n\nexport default isTypedArray\n","/**\n * 生成唯一 id 字符串的函数\n * ========================================================================\n * @method guid\n * @param {String} [prefix] - 生成 id 的前缀字符串\n * @return {String} 返回一个表示唯一 id 的字符串\n */\nconst guid = (() => {\n  let uuid = 0\n\n  return (prefix) => {\n    uuid += 1\n\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\n  }\n})()\n\nexport default guid\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 删除与给定 topic 相同的订阅者信息\n * ========================================================================\n * @method _removeSubscriber\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _removeSubscriber = (topic) => {\n  if (!hasOwn(_subscribers, topic)) {\n    return false\n  }\n\n  delete _subscribers[topic]\n}\n\nexport default _removeSubscriber\n","import has from './has'\nimport _removeSubscriber from './_removeSubscriber'\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\n\n/**\n * 取消订阅主题\n * ========================================================================\n * @method off\n * @param {String} topic - （必须）订阅的主题\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\n */\nconst off = (topic, token) => {\n  if (!has(topic)) {\n    return false\n  }\n\n  if (token) {\n    _removeSubscriberByToken(token)\n  } else {\n    _removeSubscriber(topic)\n  }\n}\n\nexport default off\n","import _subscribers from './_subscribers'\nimport _removeSubscriber from './_removeSubscriber'\n\n/**\n * 通过订阅者 token 值删除订阅者信息\n * ========================================================================\n * @method _removeSubscriberByToken\n * @param {String} token - 订阅者 token 字符串\n * @returns {boolean}\n * @private\n */\nconst _removeSubscriberByToken = (token) => {\n  const keys = Object.keys(_subscribers)\n  let index = -1\n\n  if (!token || keys.length < 1) {\n    return false\n  }\n\n  keys.forEach((subject) => {\n    const subscriber = _subscribers[subject]\n    let topic\n\n    subscriber.forEach((execution, j) => {\n      if (execution.callback === token || execution.token === token) {\n        topic = execution.topic\n        subscriber.splice(index, j)\n      }\n    })\n\n    /* istanbul ignore else */\n    if (subscriber.length < 1) {\n      _removeSubscriber(topic)\n    }\n  })\n}\n\nexport default _removeSubscriberByToken\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\nimport publish from './utils/observer/emit'\r\nimport subscribe from './utils/observer/on'\r\nimport unsubscribe from './utils/observer/off'\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  $emit(event, data) {\r\n    publish(event, data)\r\n    return this\r\n  }\r\n\r\n  $on(event, callback) {\r\n    subscribe(event, callback, this)\r\n    return this\r\n  }\r\n\r\n  $off(event, callback) {\r\n    unsubscribe(event, callback)\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 _subscribers from './_subscribers'\nimport isFunction from '../types/isFunction'\nimport guid from '../lang/guid'\n\n/**\n * 订阅主题，并给出处理器函数\n * ========================================================================\n * @method on\n * @param {String} topic - （必须）主题名称\n * @param {Function} handler - （必须）主题的处理器函数\n * @param {Object} [context] - （可选）指定 this 执行上下文\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\n */\nconst on = (topic, handler, context = null) => {\n  const token = guid()\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\n\n  if (!isFunction(handler)) {\n    return ''\n  }\n\n  /* istanbul ignore else */\n  if (!_subscribers[subject]) {\n    _subscribers[subject] = []\n  }\n\n  _subscribers[subject].push({\n    topic: subject,\n    callback: handler,\n    context,\n    token\n  })\n\n  return token\n}\n\nexport default on\n","/**\n * timeSlice.js 时间切片功能函数\n * ====================================================\n * Created By: Yaohaixiao\n * Update: 2023.09.04\n */\nimport isFunction from '../types/isFunction'\nimport later from './later'\n\nconst queue = []\nlet isHandling\nlet done\n\n// Shim from https://developers.google.com/web/updates/2015/08/using-requestidlecallback\nif (typeof window.requestIdleCallback === 'undefined') {\n  window.requestIdleCallback = function (cb) {\n    const start = Date.now()\n    return later(function () {\n      cb({\n        didTimeout: false,\n        timeRemaining: function () {\n          return Math.max(0, 50 - (Date.now() - start))\n        }\n      })\n    }, 10)\n  }\n\n  window.cancelIdleCallback = function (id) {\n    clearTimeout(id)\n  }\n}\n\nfunction runIdle(idleDeadline) {\n  while (idleDeadline.timeRemaining() > 0 && queue.length) {\n    const fn = queue.shift()\n\n    if (!isFunction(fn)) {\n      return false\n    }\n\n    fn()\n  }\n\n  if (queue.length) {\n    isHandling = requestIdleCallback(runIdle)\n  } else {\n    isHandling = 0\n\n    if (isFunction(done)) {\n      done()\n      done = null\n    }\n  }\n}\n\n/**\n * 时间切片功能函数：主要用于优化长时任务的性能，将长时任务分解成\n * 多个短时间任务\n * ====================================================\n * @param {Function} fn - 需要在空闲时执行的回调函数\n * @param {Function} afterComplete - queen 的\n * @return {(function(): (boolean|undefined))|*|boolean}\n */\nconst timeSlice = (fn, afterComplete = null) => {\n  queue.push(fn)\n\n  if (isFunction(afterComplete)) {\n    done = afterComplete\n  }\n\n  if (!isHandling) {\n    requestIdleCallback(runIdle)\n  }\n}\n\nexport default timeSlice\n","/**\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\n * ========================================================================\n * @method offsetTop\n * @param {HTMLElement} el - DOM 节点\n * @returns {Number}\n */\nconst offsetTop = (el) => {\n  let top = el.offsetTop\n\n  if (el.offsetParent !== null) {\n    top += offsetTop(el.offsetParent)\n  }\n\n  return top\n}\n\nexport default offsetTop\n","import DEFAULTS from './defaults'\n\nconst SYMBOLS = [...DEFAULTS]\n\nexport default SYMBOLS\n","const DEFAULTS = [\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  ''\n]\n\nexport default DEFAULTS\n","import isString from '../types/isString'\nimport getSymbol from './getSymbol'\nimport SYMBOLS from './symbols'\n\n/**\n *\n * @method getSymbols\n * @param {String} [name]\n * @param {String} [iconSet]\n * @returns {string[]|*}\n */\nconst getSymbols = (name, iconSet = 'icon') => {\n  if (isString(name)) {\n    return getSymbol(name, iconSet)\n  }\n\n  return [...SYMBOLS]\n}\n\nexport default getSymbols\n","import SYMBOLS from './symbols'\n\n/**\n * @method getSymbol\n * @param {String} name\n * @param {String} [iconSet]\n * @returns {String}\n */\nconst getSymbol = (name, iconSet = 'icon') => {\n  const patternName = /id=\"(.*?)\"/\n  const patternSet = /^(\\w+)-/\n  const symbols = SYMBOLS\n\n  return symbols.find((symbol) => {\n    const names = patternName.exec(symbol)\n    const fullName = names[1]\n    const sets = patternSet.exec(fullName)\n    const setName = sets[1]\n    const iconName =\n      iconSet === 'icon' ? `${iconSet}-${name}` : `${iconSet}-icon-${name}`\n\n    return setName === iconSet && fullName === iconName\n  })\n}\n\nexport default getSymbol\n","import add from './add'\nimport getSymbols from './getSymbols'\n\n/**\n * 绘制 SVG 图标集\n * ========================================================================\n * @method paint\n * @param {String|Array} symbol\n */\nconst paint = (symbol = '') => {\n  const $body = document.body\n  let $icons = document.querySelector('#outline-icons')\n  let symbols = []\n\n  add(symbol)\n  symbols = getSymbols()\n\n  if ($icons) {\n    $icons.innerHTML = symbols.join('')\n  } else {\n    $icons = document.createElement('div')\n    $icons.innerHTML =\n      ``\n    $body.insertBefore($icons.firstChild, $body.firstChild)\n  }\n}\n\nexport default paint\n","import isArray from '../types/isArray'\nimport isString from '../types/isString'\nimport SYMBOLS from './symbols'\n\n/**\n * @method add\n * @param {Array|String} symbols\n * @return {Boolean}\n */\nconst add = (symbols) => {\n  if (!symbols) {\n    return false\n  }\n\n  if (isArray(symbols) && symbols.length > 0) {\n    symbols.forEach((symbol) => {\n      /* istanbul ignore else */\n      if (SYMBOLS.indexOf(symbol) === -1 && isString(symbol)) {\n        SYMBOLS.push(symbol)\n      }\n    })\n  } else {\n    /* istanbul ignore else */\n    if (isString(symbols)) {\n      SYMBOLS.push(symbols)\n    }\n  }\n}\n\nexport default add\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'\nimport isObject from './isObject'\n\nconst isFragment = (fragment) => {\n  return !!(\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\n  )\n}\n\nexport default isFragment\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","/**\n * 给 DOM 节点设置属性/值\n * ========================================================================\n * @method setAttribute\n * @param {HTMLElement} el - DOM 节点\n * @param {String} attr - 属性名称\n * @param {String|Number|Boolean} value - 属性值\n */\nconst setAttribute = (el, attr, value) => {\n  let tagName = el.tagName.toLowerCase()\n\n  switch (attr) {\n    case 'style':\n      el.style.cssText = value\n      break\n    case 'value':\n      if (tagName === 'input' || tagName === 'textarea') {\n        el.value = value\n      } else {\n        el.setAttribute(attr, value)\n      }\n      break\n    case 'htmlFor':\n      el.setAttribute('for', value)\n      break\n    case 'className':\n      el.className = value\n      break\n    case 'innerHTML':\n      el.innerHTML = value\n      break\n    case 'innerText':\n      el.innerText = value\n      break\n    default:\n      el.setAttribute(attr, value)\n      break\n  }\n}\n\nexport default setAttribute\n","import isObject from '../types/isObject'\nimport hasOwn from '../lang/hasOwn'\nimport setAttribute from './setAttribute'\n\nconst setAttributes = (el, attrs) => {\n  if (!el || !isObject(attrs)) {\n    return false\n  }\n\n  Object.keys(attrs).forEach((attr) => {\n    const value = attrs[attr]\n    if (hasOwn(attrs, attr)) {\n      setAttribute(el, attr, value)\n    }\n  })\n}\n\nexport default setAttributes\n","import isObject from '../types/isObject'\nimport isString from '../types/isString'\nimport isArray from '../types/isArray'\nimport isDOM from '../types/isDOM'\nimport setAttributes from './setAttributes'\n\n/**\n * 创建 DOM 节点，并添加属性和子节点\n * ========================================================================\n * @method createElement\n * @param {String} tagName - 标签名称\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\n * @returns {HTMLElement}\n */\nconst createElement = (tagName, attrs, children) => {\n  const $fragment = document.createDocumentFragment()\n  const $el = document.createElement(tagName)\n  const isValidChild = (child) => {\n    return isDOM(child) || isString(child)\n  }\n  const append = (child) => {\n    let $child\n\n    if (!isValidChild(child)) {\n      return false\n    }\n\n    if (isDOM(child)) {\n      $child = child\n    } else if (isString(child)) {\n      $child = document.createTextNode(child)\n    }\n\n    $fragment.appendChild($child)\n  }\n\n  if (isObject(attrs)) {\n    setAttributes($el, attrs)\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\n    attrs.forEach((child) => {\n      append(child)\n    })\n  } else if (isDOM(attrs)) {\n    append(attrs)\n  } else if (isString(attrs)) {\n    append(document.createTextNode(attrs))\n  }\n\n  if (isArray(children)) {\n    children.forEach((child) => {\n      append(child)\n    })\n  } else {\n    append(children)\n  }\n\n  $el.appendChild($fragment)\n\n  return $el\n}\n\nexport default createElement\n","import isArray from '../types/isArray'\nimport isString from '../types/isString'\nimport isSVG from '../types/isSVG'\nimport setAttributes from '../dom/setAttributes'\n\n/**\n * 创建 SVG 图标 DOM 元素\n * ========================================================================\n * @method createElement\n * @param {String} name\n * @param {Object} [options]\n * @param {Number|Array} [options.size]\n * @param {String} [options.color]\n * @param {String} [options.iconSet]\n * @param {Object} [options.attrs]\n * @returns {HTMLElement}\n */\nconst createElement = (name, options = {}) => {\n  const ICON = 'outline-icon'\n  const size = options.size || 0\n  const color = options.color || ''\n  const iconSet = options.iconSet || ''\n  const width = isArray(size) ? size[0] : size\n  const height = isArray(size) ? size[1] : size\n  const defaultRules = size ? `width:${width}px;height:${height}px;` : ''\n  const cssRules = color ? defaultRules + `color:${color}` : defaultRules\n  const attrs = options.attrs || {}\n  const $icon = document.createElement('i')\n  let binds = ''\n  let svg = ''\n  let $svg\n\n  if (!isString(name)) {\n    return null\n  }\n\n  if (isSVG(name)) {\n    svg = name\n  } else {\n    binds =\n      iconSet && iconSet !== 'icon'\n        ? `xlink:href=\"#${iconSet}-icon-${name}\"`\n        : `xlink:href=\"#icon-${name}\"`\n    svg = ``\n  }\n\n  $icon.innerHTML = svg\n\n  if (attrs.className) {\n    attrs.className = `${ICON} ${attrs.className}`\n  } else {\n    attrs.className = ICON\n  }\n\n  setAttributes($icon, attrs)\n\n  $svg = $icon.querySelector('svg')\n  setAttributes($svg, {\n    'aria-hidden': true,\n    xmlns: 'http://www.w3.org/2000/svg',\n    class: 'outline-icon__svg',\n    width: 200,\n    height: 200,\n    style: cssRules\n  })\n\n  return $icon\n}\n\nexport default createElement\n","import isString from './isString'\n\nconst isSVG = (str) => {\n  const declaration = '(?:<\\\\?xml[^>]*>\\\\s*)?'\n  const doctype =\n    '(?:<\\\\!doctype svg[^>]*\\\\s*(?:\\\\[?(?:\\\\s*]*>\\\\s*)*\\\\]?)*[^>]*>\\\\s*)?'\n  const content = ']*>[^]*<\\\\/svg>\\\\s*$'\n  const svg = `^\\\\s*${declaration}${doctype}${content}\\\\s*$`\n  const pattern = new RegExp(svg, 'i')\n\n  return isString(str) && pattern.test(str)\n}\n\nexport default isSVG\n","import createElement from './createElement'\n\n/**\n * 创建 SVG 图标 DOM 元素\n * ========================================================================\n * @method icon\n * @alias createElement\n * @see createElement\n * @param {String} name\n * @param {Object} [options]\n * @param {Number|Array} [options.size]\n * @param {String} [options.color]\n * @param {String} [options.iconSet]\n * @returns {HTMLElement}\n */\nconst icon = (name, options = {}) => {\n  return createElement(name, options)\n}\n\nexport default icon\n","import removeClass from './utils/dom/removeClass'\nimport isEmpty from './utils/types/isEmpty'\nimport trim from './utils/lang/trim'\n\nconst _resetHeading = ($heading, hasAnchor = true, isAtStart = true) => {\n  const CLS_HEADING = 'outline-heading'\n  const text = $heading.innerHTML\n  const pattern = /^\\d+(\\.?\\d+)*\\s?/gi\n  let $anchor\n\n  $heading.innerHTML = text.replace(pattern, '')\n  $heading.removeAttribute('id')\n  $heading.removeAttribute('data-id')\n\n  removeClass($heading, CLS_HEADING)\n\n  if (!hasAnchor) {\n    return false\n  }\n\n  $anchor = $heading.querySelector(`.${CLS_HEADING}__anchor`)\n\n  if (isAtStart) {\n    removeClass($heading, `${CLS_HEADING}_start`)\n  }\n\n  if (isEmpty(trim($heading.className))) {\n    $heading.removeAttribute('class')\n  }\n\n  $heading.removeChild($anchor)\n}\n\nexport default _resetHeading\n","import isString from './isString'\n/**\n * 检测数据是否为空字符串\n * ========================================================================\n * @method isEmpty\n * @param {String} str\n * @returns {boolean}\n */\nconst isEmpty = (str) => {\n  return isString(str) && str === ''\n}\n\nexport default isEmpty\n","import trim from './utils/lang/trim'\nimport stripTags from './utils/lang/stripTags'\nimport isFunction from './utils/types/isFunction'\n\nimport _getChapterParentIdByDiffer from './_getChapterParentIdByDiffer'\nimport _getChaptersWithCode from './_getChaptersWithCode'\n\n/**\n * 根据文章中的 h1~h6 标签，自动分析返回文章章节数据\n * ========================================================================\n * @method getChapters\n * @param {Array} headings\n * @param {Boolean} [showCode]\n * @param {Function} [chapterTextFilter]\n * @return {*|*[]}\n */\nconst getChapters = (headings, showCode = true, chapterTextFilter = null) => {\n  let previous = 1\n  let level = 0\n  let text = ''\n  const chapters = []\n\n  headings.forEach((heading, i) => {\n    const tagName = heading.tagName\n    const headingLevel = tagName.replace(/h/i, '')\n    let current = parseInt(headingLevel, 10)\n    let pid = -1\n\n    // 场景1：当前标题是前一个标题的子标题\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；\n    // h2 （前一个标题）\n    // h3 （当前标题）\n    if (current > previous) {\n      level += 1\n\n      // 第一层级的 pid 是 -1\n      if (level === 1) {\n        pid = -1\n      } else {\n        pid = i - 1\n      }\n    }\n    // 场景2：当前标题和前一个标题层级相同\n    // 当前标题的（标题标签）序号 = 前一个标题的序号\n    // h2 （前一个标题）\n    // h2 （当前标题）\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\n    // h2\n    // h4 （前一个标题）\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）\n    else if (current === previous || (current < previous && current > level)) {\n      // H1 的层级肯定是 1\n      if (current === 1) {\n        level = 1\n        pid = -1\n      } else {\n        pid = chapters[i - 1].pid\n      }\n    }\n    // 场景3：当前标题比前一个标题层级高\n    else if (current <= level) {\n      // H1 的层级肯定是 1\n      if (current === 1) {\n        level = 1\n      } else {\n        level = level - (previous - current)\n\n        if (level <= 1) {\n          level = 1\n        }\n      }\n\n      // 第一级的标题\n      if (level === 1) {\n        pid = -1\n      } else {\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\n        pid = _getChapterParentIdByDiffer(chapters, previous - current, i)\n      }\n    }\n\n    previous = current\n\n    text = stripTags(trim(heading.innerHTML))\n\n    if (isFunction(chapterTextFilter)) {\n      text = chapterTextFilter(text)\n    }\n\n    chapters.push({\n      id: i,\n      pid: pid,\n      level: level,\n      rel: `heading-${i}`,\n      text,\n      tagName\n    })\n  })\n\n  return showCode ? _getChaptersWithCode(chapters) : chapters\n}\n\nexport default getChapters\n","import isString from '../types/isString'\n\n/**\n * 过滤所有 HTML 标签\n * ========================================================================\n * @method stripTags\n * @param {string} str\n * @returns {string}\n */\nconst stripTags = (str) => {\n  if (!isString(str)) {\n    return ''\n  }\n  return str.replace(/<\\/?[^>]+(>|$)/g, '')\n}\n\nexport default stripTags\n","const _getChapterParentIdByDiffer = (chapters, differ, index) => {\n  let previous = chapters[index - 1]\n  let pid\n  let i\n\n  for (i = 0; i < differ; i += 1) {\n    pid = previous.pid\n    previous = chapters[pid]\n  }\n\n  pid = previous.pid\n\n  return pid\n}\n\nexport default _getChapterParentIdByDiffer\n","import isArray from './utils/types/isArray'\n\nconst _getChaptersWithCode = (chapters) => {\n  const groups = {}\n  const cb = (o) => {\n    return [o.pid]\n  }\n\n  chapters.forEach((o) => {\n    const group = JSON.stringify(cb(o))\n\n    groups[group] = groups[group] || []\n    groups[group].push(o)\n\n    o.index = groups[group].length\n    if (o.pid === -1) {\n      o.code = String(o.index)\n    }\n  })\n\n  Object.keys(groups).forEach((group) => {\n    groups[group].forEach((c) => {\n      const subjects = groups[`[${c.id}]`]\n      if (!subjects || !isArray(subjects)) {\n        return false\n      }\n      subjects.forEach((o) => {\n        o.code = c.code + '.' + o.index\n      })\n    })\n  })\n\n  return chapters\n}\n\nexport default _getChaptersWithCode\n","import isString from './utils/types/isString'\nimport isFunction from './utils/types/isFunction'\nimport isElement from './utils/types/isElement'\nimport timeSlice from './utils/lang/timeSlice'\nimport toTree from './utils/lang/toTree'\nimport later from './utils/lang/later'\nimport scrollTo from './utils/dom/scrollTo'\nimport _getScrollElement from './utils/dom/_getScrollElement'\nimport offsetTop from './utils/dom/offsetTop'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport stop from './utils/event/stop'\nimport paint from './utils/icons/paint'\n\nimport _updateHeading from './_updateHeading'\nimport _resetHeading from './_resetHeading'\nimport getChapters from './getChapters'\n\nimport Base from './base'\n\nclass Anchors extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = Anchors.DEFAULTS\n    this.$articleElement = null\n    this.$scrollElement = null\n    this.$headings = []\n    this.chapters = []\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    const showCode = this.attr('showCode') || true\n    let created\n    let scrollElement\n    let selector\n    let $articleElement\n    let articleElement\n\n    this.attr(options)\n    articleElement = this.attr('articleElement')\n    scrollElement = this.attr('scrollElement')\n    selector = this.attr('selector')\n    created = this.attr('created')\n\n    if (isString(articleElement)) {\n      $articleElement = document.querySelector(articleElement)\n    } else if (isElement(articleElement)) {\n      $articleElement = articleElement\n    }\n\n    if (!$articleElement) {\n      return this\n    }\n\n    this.$articleElement = $articleElement\n    this.$scrollElement = _getScrollElement(scrollElement)\n    this.$headings = [...$articleElement.querySelectorAll(selector)]\n\n    if (this.$headings.length < 1) {\n      return this\n    }\n\n    this.chapters = getChapters(\n      this.$headings,\n      showCode,\n      this.attr('chapterTextFilter')\n    )\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    this.render().addListeners()\n\n    return this\n  }\n\n  getChapters(isTreeStructured = false) {\n    const chapters = this.chapters\n    return isTreeStructured ? toTree(chapters, 'id', 'pid') : chapters\n  }\n\n  count() {\n    return this.chapters.length\n  }\n\n  render() {\n    const LIMIT = 400\n    const mounted = this.attr('mounted')\n    const hasAnchor = this.attr('hasAnchor')\n    const isAtStart = this.attr('isAtStart')\n    const showCode = this.attr('showCode')\n    const anchorURL = this.attr('anchorURL')\n    const count = this.count()\n    const $headings = [...this.$headings]\n    const chapters = this.getChapters()\n    const update = (headings, group) => {\n      headings.forEach(($heading, i) => {\n        const id = i + group * LIMIT\n        const chapterCode = chapters[id].code\n        _updateHeading($heading, id, {\n          hasAnchor,\n          isAtStart,\n          showCode,\n          chapterCode,\n          anchorURL\n        })\n      })\n    }\n    let groupIndex = -1\n\n    paint()\n\n    // 针对超长的文章，进行 timeSlice 处理\n    if (count > LIMIT) {\n      groupIndex += 1\n      // 同步绘制 Limit 以内的标题链接（可以确保 50ms 完成绘制）\n      update($headings.splice(0, LIMIT), 0)\n      // 采用 timeSlice 处理机制绘制剩余的标题\n      while ($headings.length > 0) {\n        const once = $headings.splice(0, LIMIT)\n        timeSlice(\n          () => {\n            update(once, (groupIndex += 1))\n          },\n          () => {\n            this.$emit('anchors:all:paint')\n          }\n        )\n      }\n    } else {\n      update($headings, 0)\n    }\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    return this\n  }\n\n  scrollTo(top, after) {\n    const el = this.$scrollElement\n\n    scrollTo(el, top, after)\n\n    return this\n  }\n\n  destroy() {\n    const hasAnchor = this.attr('hasAnchor')\n    const isAtStart = this.attr('isAtStart')\n    const beforeDestroy = this.attr('beforeDestroy')\n    const afterDestroy = this.attr('afterDestroy')\n    const $headings = this.$headings\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n    $headings.forEach(($heading) => {\n      _resetHeading($heading, hasAnchor, isAtStart)\n    })\n\n    this.attr(Anchors.DEFAULTS)\n    this.$articleElement = null\n    this.$scrollElement = null\n    this.$headings = []\n    this.chapters = []\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    return this\n  }\n\n  onAnchorTrigger(evt) {\n    const anchorURL = this.attr('anchorURL')\n    const afterScroll = this.attr('afterScroll')\n    const stickyHeight = this.attr('stickyHeight')\n    const $anchor = evt.delegateTarget\n    const $heading = $anchor.parentNode\n    const top = offsetTop($heading) - (stickyHeight + 10)\n    const $scrollElement = this.$scrollElement\n    const min = 0\n    const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\n    const after = () => {\n      if (isFunction(afterScroll)) {\n        afterScroll.call(this, 'anchor')\n      }\n\n      later(() => {\n        this.$emit('toolbar:update', {\n          top,\n          min,\n          max\n        })\n      })\n    }\n\n    this.scrollTo(top, after)\n\n    if (!anchorURL) {\n      stop(evt)\n    }\n\n    return this\n  }\n\n  addListeners() {\n    const $articleElement = this.$articleElement\n\n    on(\n      $articleElement,\n      '.outline-heading__anchor',\n      'click',\n      this.onAnchorTrigger,\n      this,\n      true\n    )\n\n    return this\n  }\n\n  removeListeners() {\n    const $articleElement = this.$articleElement\n\n    off($articleElement, 'click', this.onAnchorTrigger)\n\n    return this\n  }\n}\n\nAnchors.DEFAULTS = {\n  scrollElement: 'html,body',\n  articleElement: '#article',\n  selector: 'h1,h2,h3,h4,h5,h6',\n  stickyHeight: 0,\n  anchorURL: '',\n  hasAnchor: true,\n  isAtStart: true,\n  showCode: false,\n  created: null,\n  mounted: null,\n  afterScroll: null,\n  beforeDestroy: null,\n  afterDestroy: null,\n  chapterTextFilter: null\n}\n\nexport default Anchors\n","const toTree = (list, nodeKey, parentKey) => {\r\n  const map = {}\r\n  const roots = []\r\n\r\n  list.forEach((item, i) => {\r\n    // initialize the map\r\n    map[item[nodeKey]] = i\r\n    // initialize the children\r\n    item.children = []\r\n  })\r\n\r\n  list.forEach((item) => {\r\n    const node = list[map[item[parentKey]]]\r\n\r\n    if (item[parentKey] !== -1) {\r\n      // if you have dangling branches check that map[node.parentId] exists\r\n      node.children.push(item)\r\n    } else {\r\n      roots.push(item)\r\n    }\r\n  })\r\n\r\n  return roots\r\n}\r\n\r\nexport default toTree\r\n","import trim from './utils/lang/trim'\nimport createElement from './utils/dom/createElement'\nimport setAttributes from './utils/dom/setAttributes'\n\nimport icon from './utils/icons/icon'\n\nconst _updateHeading = ($heading, i, options) => {\n  const CLS_HEADING = 'outline-heading'\n  const hasAnchor = options.hasAnchor || true\n  const isAtStart = options.isAtStart || true\n  const showCode = options.showCode || false\n  const chapterCode = options.chapterCode || ''\n  const anchorURL = options.anchorURL || ''\n  const headingId = `heading-${i}`\n  const attrs = {\n    id: headingId,\n    className: isAtStart ? `${CLS_HEADING} ${CLS_HEADING}_start` : CLS_HEADING,\n    'data-id': i\n  }\n  const text = trim($heading.innerHTML)\n  let $anchor\n  let $icon\n\n  if (showCode) {\n    attrs.innerHTML = chapterCode + ' ' + text\n  }\n  setAttributes($heading, attrs)\n\n  if (!hasAnchor) {\n    return false\n  }\n\n  $icon = icon('hash', { iconSet: 'outline' })\n  $anchor = createElement(\n    'a',\n    {\n      id: `anchor-${i}`,\n      className: `${CLS_HEADING}__anchor anchor-${i}`,\n      href: anchorURL || `#${headingId}`,\n      target: anchorURL ? '_blank' : 'self',\n      'data-id': i\n    },\n    $icon\n  )\n  $heading.appendChild($anchor)\n}\n\nexport default _updateHeading\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'\n\nlet index = 2000\n\nconst zIndex = (idx) => {\n  if (idx) {\n    index = idx\n  } else {\n    index += 1\n  }\n\n  setProperty('--outline-zIndex', `${index}`)\n\n  return index\n}\n\nexport default zIndex\n","import Base from './base'\n\nimport later from './utils/lang/later'\nimport cloneDeep from './utils/lang/cloneDeep'\nimport isFunction from './utils/types/isFunction'\nimport addClass from './utils/dom/addClass'\nimport removeClass from './utils/dom/removeClass'\nimport createElement from './utils/dom/createElement'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\n\nimport paint from './utils/icons/paint'\nimport icon from './utils/icons/icon'\nimport zIndex from './zIndex'\n\nclass Drawer extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Drawer.DEFAULTS)\n    this.title = ''\n    this.closed = true\n    this.$el = null\n    this.$modal = null\n    this.$header = null\n    this.$title = null\n    this.$close = null\n    this.$main = null\n    this.$footer = null\n    this.$overlay = null\n    this.zIndex = 0\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    let created\n\n    this.attr(options)\n\n    this.title = this.attr('title')\n    created = this.attr('created')\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    this.render().addListeners()\n    return this\n  }\n\n  setTitle(title) {\n    this.attr('title', title)\n    this.title = title\n    this.$title.innerHTML = title\n\n    return this\n  }\n\n  isClosed() {\n    return this.closed\n  }\n\n  render() {\n    const mounted = this.attr('mounted')\n    const size = this.attr('size')\n    const placement = this.attr('placement')\n    const hasClose = this.attr('hasClose')\n    const hasOverlay = this.attr('hasOverlay')\n    const hasOffset = this.attr('hasOffset')\n    const hasPadding = this.attr('hasPadding')\n    const autoHeight = this.attr('autoHeight')\n    const customClass = this.attr('customClass')\n    let $el\n    let $modal\n    let $header\n    let $title\n    let $close\n    let $main\n    let $footer\n    let $overlay\n\n    paint()\n    this.zIndex = zIndex()\n\n    $title = createElement(\n      'h2',\n      {\n        className: 'outline-drawer__title'\n      },\n      this.title\n    )\n    this.$title = $title\n\n    if (hasClose) {\n      $close = createElement(\n        'div',\n        {\n          className: 'outline-drawer__close'\n        },\n        icon('close', { iconSet: 'outline', size: 20 })\n      )\n      this.$close = $close\n    }\n\n    $header = createElement(\n      'header',\n      {\n        className: 'outline-drawer__header'\n      },\n      [$title, $close]\n    )\n    this.$header = $header\n\n    $main = createElement('div', {\n      className: 'outline-drawer__main'\n    })\n    this.$main = $main\n\n    if (!hasPadding) {\n      addClass($main, 'outline-drawer_full')\n    }\n\n    $footer = createElement('footer', {\n      className: 'outline-drawer__footer'\n    })\n    this.$footer = $footer\n\n    $modal = createElement(\n      'div',\n      {\n        className: `outline-drawer__modal outline-drawer_${placement} outline-drawer_${size} outline-drawer_closed`\n      },\n      [$header, $main, $footer]\n    )\n    this.$modal = $modal\n\n    if (hasOffset) {\n      addClass($modal, 'outline-drawer_offset')\n    }\n\n    if (autoHeight) {\n      addClass($modal, 'outline-drawer_auto')\n    }\n\n    if (customClass) {\n      addClass($modal, customClass)\n    }\n\n    if (hasOverlay) {\n      $overlay = createElement('div', {\n        className: 'outline-drawer__overlay'\n      })\n      this.$overlay = $overlay\n    }\n\n    $el = createElement(\n      'div',\n      {\n        className: `outline-drawer`\n      },\n      [$modal, $overlay]\n    )\n    this.$el = $el\n    document.body.appendChild($el)\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    return this\n  }\n\n  open() {\n    const opened = this.attr('afterOpened')\n    const $modal = this.$modal\n\n    addClass(this.$el, 'outline-drawer_opened')\n    removeClass($modal, 'outline-drawer_closed')\n    addClass($modal, 'outline-drawer_opened')\n\n    later(() => {\n      this.closed = false\n\n      if (isFunction(opened)) {\n        opened.call(this)\n      }\n    })\n\n    return this\n  }\n\n  close() {\n    const closed = this.attr('afterClosed')\n    const $modal = this.$modal\n\n    removeClass($modal, 'outline-drawer_opened')\n    addClass($modal, 'outline-drawer_closed')\n\n    later(() => {\n      removeClass(this.$el, 'outline-drawer_opened')\n      this.closed = true\n\n      if (isFunction(closed)) {\n        closed.call(this)\n      }\n    })\n\n    return this\n  }\n\n  toggle() {\n    const afterToggle = this.attr('afterToggle')\n    const closed = this.isClosed()\n\n    if (closed) {\n      this.open()\n    } else {\n      this.close()\n    }\n\n    if (isFunction(afterToggle)) {\n      later(() => {\n        afterToggle.call(this, closed)\n      })\n    }\n\n    return this\n  }\n\n  destroy() {\n    const afterDestroy = this.attr('afterDestroy')\n    const beforeDestroy = this.attr('beforeDestroy')\n    let index = this.zIndex\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n\n    this.attrs = Drawer.DEFAULTS\n    this.title = ''\n    this.closed = false\n    this.$el = null\n    this.$modal = null\n    this.$header = null\n    this.$title = null\n    this.$close = null\n    this.$main = null\n    this.$footer = null\n    this.$overlay = null\n\n    index -= 1\n    zIndex(index)\n    this.zIndex = 0\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    return this\n  }\n\n  addListeners() {\n    const hasClose = this.attr('hasClose')\n    const hasOverlay = this.attr('hasOverlay')\n    const $el = this.$el\n\n    if (hasClose) {\n      on($el, '.outline-drawer__close', 'click', this.onClose, this, true)\n    }\n\n    if (hasOverlay) {\n      on($el, '.outline-drawer__overlay', 'click', this.onClose, this, true)\n    }\n\n    return this\n  }\n\n  removeListeners() {\n    const hasClose = this.attr('hasClose')\n    const hasOverlay = this.attr('hasOverlay')\n    const $el = this.$el\n\n    if (!hasClose && !hasOverlay) {\n      return this\n    }\n\n    off($el, 'click', this.onClose)\n\n    return this\n  }\n\n  onClose() {\n    this.close()\n    return this\n  }\n}\n\nDrawer.DEFAULTS = {\n  placement: 'rtl',\n  title: '标题',\n  size: 'regular',\n  hasClose: true,\n  hasOverlay: true,\n  hasOffset: false,\n  hasPadding: true,\n  autoHeight: true,\n  created: null,\n  mounted: null,\n  afterClosed: null,\n  afterOpened: null,\n  afterScroll: null,\n  beforeDestroy: null,\n  afterDestroy: null,\n  afterToggle: null\n}\n\nexport default Drawer\n","import isFunction from '../types/isFunction'\nimport isElement from '../types/isElement'\n\n/**\n * 通用的 IntersectionObserver 观察者处理器\n * ========================================================================\n * @method intersection\n * @param {Function} fn\n * @param {Object} [props]\n * @param {Object|HTMLElement} [props.root]\n * @param {String} [props.selector]\n * @param {Object} [props.context]\n * @param {String} [props.attr]\n * @param {String} [props.rootMargin]\n */\nconst intersection = (fn, props = {}) => {\n  const root = props.root || null\n  const selector = props.selector || '.outline-heading'\n  const context = props.context || null\n  const rootMargin = props.rootMargin || '0px 0px -90% 0px'\n  const options = {\n    rootMargin: rootMargin\n  }\n  const Observer = new IntersectionObserver((entries) => {\n    entries.forEach((entry) => {\n      if (entry.intersectionRatio > 0) {\n        if (isFunction(fn)) {\n          fn.call(context || entry.target, entry.target)\n        }\n      }\n    })\n  }, options)\n  const $root = isElement(root) ? root : document\n\n  if (root) {\n    options.root = root\n  }\n\n  $root.querySelectorAll(selector).forEach((section) => {\n    Observer.observe(section)\n  })\n\n  return Observer\n}\n\nexport default intersection\n","/**\r\n * 获取HTML元素的某个CSS样式值\r\n * ====================================================\r\n * @param el\r\n * @param ruleName\r\n * @returns {*}\r\n */\r\nconst getStyle = (el, ruleName) => {\r\n  return getComputedStyle(el)[ruleName]\r\n}\r\n\r\nexport default getStyle\r\n","import Base from './base'\n\nimport isString from './utils/types/isString'\nimport isFunction from './utils/types/isFunction'\nimport isElement from './utils/types/isElement'\nimport later from './utils/lang/later'\nimport at from './utils/event/at'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport stop from './utils/event/stop'\nimport createElement from './utils/dom/createElement'\nimport scrollTo from './utils/dom/scrollTo'\nimport addClass from './utils/dom/addClass'\nimport intersection from './utils/dom/intersection'\nimport removeClass from './utils/dom/removeClass'\nimport offsetTop from './utils/dom/offsetTop'\nimport getStyle from './utils/dom/getStyle'\nimport setProperty from './utils/dom/setProperty'\nimport _getScrollElement from './utils/dom/_getScrollElement'\nimport cloneDeep from './utils/lang/cloneDeep'\n\nimport _paintChapters from './_paintChapters'\n\nclass Chapters extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Chapters.DEFAULTS)\n\n    this._reset()\n\n    this.offsetWidth = 0\n    this.playing = false\n    this.scrollTimer = null\n    this.resizeTimer = null\n    this.Observer = null\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  _reset() {\n    this.$el = null\n    this.$title = null\n    this.$main = null\n    this.$list = null\n    this.$placeholder = null\n    this.$parentElement = null\n    this.$scrollElement = null\n    this.$active = null\n\n    this.chapters = []\n    this.active = 0\n    this.offsetTop = 0\n    this.closed = false\n\n    return this\n  }\n\n  initialize(options) {\n    let created\n    let parentElement\n    let scrollElement\n    let $parent\n\n    this.attr(options)\n    created = this.attr('created')\n    parentElement = this.attr('parentElement')\n    scrollElement = this.attr('scrollElement')\n\n    if (isString(parentElement)) {\n      $parent = document.querySelector(parentElement)\n    } else if (isElement(parentElement)) {\n      $parent = parentElement\n    }\n    this.$parentElement = $parent\n    this.$scrollElement = _getScrollElement(scrollElement)\n\n    this.chapters = this.attr('chapters')\n    this.closed = this.attr('closed')\n    this.active = this.attr('active')\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    if (this.chapters.length < 1) {\n      return this\n    }\n\n    this.render().addListeners()\n\n    this.$active = document.querySelector(`#chapter-${this.active}`)\n\n    return this\n  }\n\n  isClosed() {\n    return this.closed\n  }\n\n  isSticky() {\n    const position = this.attr('position')\n    return position === 'sticky'\n  }\n\n  isFixed() {\n    const position = this.attr('position')\n    return position === 'fixed'\n  }\n\n  isInside() {\n    return this.isFixed() || this.isSticky()\n  }\n\n  isOutside() {\n    return !this.isInside()\n  }\n\n  count() {\n    return this.chapters.length\n  }\n\n  _paintEdge() {\n    const $fragment = document.createDocumentFragment()\n    const STICKY = 'outline-chapters_sticky'\n    const HIDDEN = 'outline-chapters_hidden'\n    const title = this.attr('title')\n    const animationCurrent = this.attr('animationCurrent')\n    const customClass = this.attr('customClass')\n    const $parentElement = this.$parentElement\n    const children = []\n    const contents = []\n    let $title = null\n    let $el\n    let $main\n    let $list\n    let $placeholder\n\n    if (!$parentElement) {\n      return this\n    }\n\n    if (this.isInside() && title) {\n      $title = createElement(\n        'h2',\n        {\n          className: 'outline-chapters__title'\n        },\n        title\n      )\n      this.$title = $title\n      contents.push($title)\n    }\n\n    $list = createElement('ul', {\n      // 为优化性能，添加了 _fixed 和 _hidden\n      // fixed 为了让 $list 脱离流布局\n      // hidden 让 $list 不可见\n      className: `outline-chapters__list`\n    })\n    this.$list = $list\n    children.push($list)\n\n    if (animationCurrent) {\n      $placeholder = createElement('div', {\n        className: 'outline-chapters__placeholder'\n      })\n      this.$placeholder = $placeholder\n      children.push($placeholder)\n    }\n\n    $main = createElement(\n      'div',\n      {\n        className: 'outline-chapters__main'\n      },\n      children\n    )\n    this.$main = $main\n    contents.push($main)\n\n    $el = createElement(\n      'nav',\n      {\n        id: 'outline-chapters',\n        className: `outline-chapters ${HIDDEN}`\n      },\n      contents\n    )\n    this.$el = $el\n\n    if (this.isSticky()) {\n      this.calculateStickyHeight()\n      addClass($el, STICKY)\n    }\n\n    if (customClass) {\n      addClass($el, customClass)\n    }\n    $fragment.appendChild($el)\n    $parentElement.appendChild($fragment)\n\n    return this\n  }\n\n  render() {\n    const HIDDEN = 'outline-chapters_hidden'\n    const showCode = this.attr('showCode')\n    const mounted = this.attr('mounted')\n    const $parentElement = this.$parentElement\n    const chapters = this.chapters\n    const count = this.count()\n    let $el\n    let $list\n\n    if (!$parentElement || chapters.length < 1) {\n      return this\n    }\n\n    if (this.isInside()) {\n      addClass($parentElement, 'outline-chapters-parent')\n    }\n\n    this._paintEdge()\n\n    $el = this.$el\n    $list = this.$list\n    _paintChapters($list, chapters, showCode)\n    removeClass($el, HIDDEN)\n\n    later(() => {\n      this.highlight(this.active)\n    }, 60)\n\n    this.offsetTop = offsetTop($el)\n    this.offsetWidth = $el.offsetWidth\n\n    if (this.isFixed()) {\n      this.sticky()\n      setProperty('--outline-chapters-width', `${this.offsetWidth}px`)\n    }\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    if (count < 400) {\n      this.onObserver()\n    }\n\n    return this\n  }\n\n  positionPlaceholder(index) {\n    const $main = this.$main\n    const $list = this.$list\n    const $placeholder = this.$placeholder\n    const $anchor = $list.querySelector('.outline-chapters__anchor')\n    const animationCurrent = this.attr('animationCurrent')\n    const mainPaddingTop = parseInt(getStyle($main, 'padding-top'), 10)\n    const mainBorderTop = parseInt(getStyle($main, 'border-top-width'), 10)\n    const placeholderPaddingTop = parseInt(getStyle($list, 'padding-top'), 10)\n    const placeholderMarginTop = parseInt(getStyle($list, 'margin-top'), 10)\n    const placeholderBorderTop = parseInt(\n      getStyle($list, 'border-top-width'),\n      10\n    )\n    let height = $anchor.offsetHeight\n    let offsetTop = 0\n    let top\n\n    if (!animationCurrent) {\n      return this\n    }\n\n    if (mainPaddingTop) {\n      offsetTop += mainPaddingTop\n    }\n\n    if (placeholderPaddingTop) {\n      offsetTop += placeholderPaddingTop\n    }\n\n    if (placeholderMarginTop) {\n      offsetTop += placeholderMarginTop\n    }\n\n    if (mainBorderTop) {\n      offsetTop += mainBorderTop\n    }\n\n    if (placeholderBorderTop) {\n      offsetTop += placeholderBorderTop\n    }\n\n    top = height * index\n    $placeholder.style.cssText = `transform: translateY(${\n      offsetTop + top\n    }px);height:${height}px;`\n\n    return this\n  }\n\n  highlight(id) {\n    const animationCurrent = this.attr('animationCurrent')\n    const $anchor = this.$el.querySelector(`#chapter__anchor-${id}`)\n    const ACTIVE = 'outline-chapters_active'\n    const HIGHLIGHT = 'outline-chapters_highlight'\n\n    if (!$anchor) {\n      return this\n    }\n\n    this.active = parseInt($anchor.getAttribute('data-id'), 10)\n\n    if (this.$active) {\n      removeClass(this.$active, HIGHLIGHT)\n      removeClass(this.$active, ACTIVE)\n    }\n\n    this.$active = $anchor\n    addClass(this.$active, ACTIVE)\n\n    if (animationCurrent) {\n      this.positionPlaceholder(this.active)\n    } else {\n      addClass(this.$active, HIGHLIGHT)\n    }\n\n    return this\n  }\n\n  sticky() {\n    const afterSticky = this.attr('afterSticky')\n    const FIXED = 'outline-chapters_fixed'\n    const $el = this.$el\n    const top = this.offsetTop\n    const scrollTop = this.$scrollElement.scrollTop\n    let isStickying\n\n    if (!this.isFixed()) {\n      return this\n    }\n\n    isStickying = scrollTop >= top\n\n    if (isStickying) {\n      addClass($el, FIXED)\n    } else {\n      removeClass($el, FIXED)\n    }\n\n    if (isFunction(afterSticky)) {\n      afterSticky.call(this, this.isClosed(), isStickying)\n    }\n\n    return this\n  }\n\n  calculateStickyHeight() {\n    const documentElement = document.documentElement\n    const height = Math.max(\n      documentElement.clientHeight || 0,\n      window.innerHeight || 0\n    )\n    setProperty('--outline-sticky-height', `${height}px`)\n    return this\n  }\n\n  scrollTo(top, after) {\n    const el = this.$scrollElement\n\n    scrollTo(el, top, after)\n\n    return this\n  }\n\n  show() {\n    const FOLDED = 'outline-chapters_folded'\n    const HIDDEN = 'outline-chapters_hidden'\n    const opened = this.attr('afterOpened')\n    const count = this.count()\n    const $el = this.$el\n    const $parent = this.$parentElement\n\n    if (this.isInside()) {\n      if (count > 800) {\n        removeClass($parent, HIDDEN)\n      } else {\n        removeClass($parent, HIDDEN)\n        later(() => {\n          removeClass($parent, FOLDED)\n        }, 30)\n      }\n    } else {\n      removeClass($el, HIDDEN)\n    }\n    this.closed = false\n\n    if (isFunction(opened)) {\n      opened.call(this)\n    }\n\n    return this\n  }\n\n  hide() {\n    const FOLDED = 'outline-chapters_folded'\n    const HIDDEN = 'outline-chapters_hidden'\n    const closed = this.attr('afterClosed')\n    const count = this.count()\n    const $el = this.$el\n    const $parent = this.$parentElement\n\n    if (this.isInside()) {\n      if (count > 800) {\n        addClass($parent, HIDDEN)\n      } else {\n        addClass($parent, FOLDED)\n        later(() => {\n          addClass($parent, HIDDEN)\n        })\n      }\n    } else {\n      addClass($el, HIDDEN)\n    }\n    this.closed = true\n\n    if (isFunction(closed)) {\n      closed.call(this)\n    }\n\n    return this\n  }\n\n  toggle() {\n    const afterToggle = this.attr('afterToggle')\n    const top = this.offsetTop\n    const scrollTop = this.$scrollElement.scrollTop\n    let isStickying\n\n    if (this.isClosed()) {\n      this.show()\n    } else {\n      this.hide()\n    }\n\n    if (isFunction(afterToggle)) {\n      later(() => {\n        isStickying = scrollTop >= top\n        afterToggle.call(this, this.isClosed(), isStickying)\n      })\n    }\n\n    return this\n  }\n\n  destroy() {\n    const beforeDestroy = this.attr('beforeDestroy')\n    const afterDestroy = this.attr('afterDestroy')\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n    this.$parentElement.removeChild(this.$el)\n\n    this.attr(Chapters.DEFAULTS)._reset()\n\n    if (this.scrollTimer) {\n      clearTimeout(this.scrollTimer)\n      this.scrollTimer = null\n    }\n\n    if (this.resizeTimer) {\n      clearTimeout(this.resizeTimer)\n      this.resizeTimer = null\n    }\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    if (this.Observer) {\n      this.Observer = null\n    }\n\n    return this\n  }\n\n  onObserver() {\n    const selector = this.attr('selector')\n    let timer = null\n\n    this.Observer = intersection(\n      ($heading) => {\n        const id = $heading.getAttribute('data-id')\n\n        if (this.playing) {\n          return false\n        }\n\n        if (timer) {\n          clearTimeout(timer)\n        }\n\n        timer = later(() => {\n          this.highlight(id)\n        }, 100)\n      },\n      {\n        selector,\n        context: this\n      }\n    )\n\n    return this\n  }\n\n  onSelect(evt) {\n    const stickyHeight = this.attr('stickyHeight')\n    const $anchor = evt.delegateTarget\n    const id = $anchor.getAttribute('data-id')\n    const headingId = $anchor.href.split('#')[1]\n    const $heading = document.querySelector(`#${headingId}`)\n    const top = offsetTop($heading) - (stickyHeight + 10)\n    const min = 0\n    const max = this.$scrollElement.scrollHeight\n    const afterScroll = this.attr('afterScroll')\n    const after = () => {\n      if (isFunction(afterScroll)) {\n        afterScroll.call(this, 'chapter')\n      }\n\n      later(() => {\n        this.playing = false\n        this.$emit('toolbar:update', {\n          top,\n          min,\n          max\n        })\n      })\n    }\n\n    this.playing = true\n    if (this.isFixed()) {\n      this.sticky()\n      later(() => {\n        this.scrollTo(top, after)\n        this.highlight(id)\n      }, 10)\n    } else {\n      this.scrollTo(top, after)\n      this.highlight(id)\n    }\n\n    stop(evt)\n\n    return this\n  }\n\n  onScroll() {\n    const $scrollElement = this.$scrollElement\n\n    if (this.scrollTimer) {\n      clearTimeout(this.scrollTimer)\n    }\n\n    this.scrollTimer = later(() => {\n      const top = $scrollElement.scrollTop\n      const min = 0\n      const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\n\n      if (this.isFixed()) {\n        this.sticky()\n      }\n\n      this.$emit('toolbar:update', {\n        top,\n        min,\n        max\n      })\n    }, 100)\n\n    return this\n  }\n\n  onResize() {\n    if (this.resizeTimer) {\n      clearTimeout(this.resizeTimer)\n    }\n\n    this.resizeTimer = later(() => {\n      this.calculateStickyHeight()\n    })\n\n    return this\n  }\n\n  addListeners() {\n    const $el = this.$el\n    const $scrollElement = this.$scrollElement\n    const tagName = $scrollElement.tagName.toLowerCase()\n    let $element = $scrollElement\n\n    if (tagName === 'html' || tagName === 'body') {\n      $element = window\n    }\n\n    on($el, '.outline-chapters__anchor', 'click', this.onSelect, this, true)\n    at($element, 'scroll', this.onScroll, this, true)\n    if (this.isSticky()) {\n      at(window, 'resize', this.onResize, this, true)\n    }\n    this.$on('anchors:all:paint', this.onObserver, this)\n\n    return this\n  }\n\n  removeListeners() {\n    const selector = this.attr('selector')\n    const $el = this.$el\n    const $scrollElement = this.$scrollElement\n    const tagName = $scrollElement.tagName.toLowerCase()\n    let $element = $scrollElement\n\n    if (tagName === 'html' || tagName === 'body') {\n      $element = window\n    }\n\n    off($el, 'click', this.onSelect)\n    off($element, 'scroll', this.onScroll)\n\n    if (this.isSticky()) {\n      at(window, 'resize', this.onResize)\n    }\n\n    this.$off('anchors:all:paint')\n\n    if (this.Observer) {\n      document.querySelectorAll(selector).forEach((section) => {\n        this.Observer.unobserve(section)\n      })\n    }\n\n    return this\n  }\n}\n\nChapters.DEFAULTS = {\n  parentElement: '',\n  scrollElement: '',\n  selector: '.outline-heading',\n  active: 0,\n  closed: false,\n  showCode: true,\n  animationCurrent: true,\n  position: 'relative',\n  stickyHeight: 0,\n  chapters: [],\n  created: null,\n  mounted: null,\n  afterClosed: null,\n  afterOpened: null,\n  afterScroll: null,\n  beforeDestroy: null,\n  afterDestroy: null,\n  afterSticky: null\n}\n\nexport default Chapters\n","import createElement from './utils/dom/createElement'\nimport timeSlice from './utils/lang/timeSlice'\n\nconst _paintChapters = ($list, chapters, showCode = false) => {\n  const LIMIT = 400\n  const count = chapters.length\n  const clones = [...chapters]\n  const paint = (parts) => {\n    const byId = (id) => $list.querySelector(`#${id}`)\n    parts.forEach((chapter) => {\n      const pid = chapter.pid\n      const id = chapter.id\n      const rel = chapter.rel\n      const children = []\n      const $text = createElement(\n        'span',\n        {\n          className: 'outline-chapters__text'\n        },\n        chapter.text\n      )\n      let $link\n      let $code\n      let $li\n      let $subject\n      let $chapter\n\n      if (showCode) {\n        $code = createElement(\n          'span',\n          {\n            className: 'outline-chapters__code',\n            'data-id': id\n          },\n          chapter.code\n        )\n\n        children.push($code)\n      }\n\n      children.push($text)\n\n      $link = createElement(\n        'a',\n        {\n          id: `chapter__anchor-${id}`,\n          className: 'outline-chapters__anchor',\n          href: '#' + rel,\n          rel: rel,\n          'data-id': id\n        },\n        children\n      )\n\n      $li = createElement(\n        'li',\n        {\n          id: `chapter-${id}`,\n          className: 'outline-chapters__item',\n          'data-id': id\n        },\n        $link\n      )\n\n      if (pid === -1) {\n        $list.appendChild($li)\n      } else {\n        $chapter = byId(`chapter-${pid}`)\n        $subject = byId(`subject-${pid}`)\n\n        if (!$subject) {\n          $subject = createElement(\n            'ul',\n            {\n              id: 'subject-' + pid,\n              className: 'outline-chapters__subject'\n            },\n            $li\n          )\n\n          $chapter.appendChild($subject)\n        } else {\n          $subject.appendChild($li)\n        }\n      }\n    })\n  }\n\n  if (count > LIMIT) {\n    // 同步绘制\n    paint(clones.splice(0, LIMIT))\n    // 剩余的采用 timeSlice 机制绘制\n    while (clones.length > 0) {\n      const once = clones.splice(0, LIMIT)\n      timeSlice(() => {\n        paint(once)\n      })\n    }\n  } else {\n    paint(clones)\n  }\n}\n\nexport default _paintChapters\n","import icon from './utils/icons/icon'\nimport createElement from './utils/dom/createElement'\nimport addClass from './utils/dom/addClass'\n\nconst _createButton = (button, rounded = true) => {\n  const $icon = icon(button.icon, {\n    iconSet: button.iconSet || 'outline',\n    color: button.color || '',\n    size: button.size\n  })\n  const $anchor = createElement(\n    'a',\n    {\n      className: `outline-toolbar__anchor`,\n      href: button.link\n    },\n    $icon\n  )\n  const $button = createElement(\n    'div',\n    {\n      className: `outline-toolbar__button ${button.name}`\n    },\n    [button.link ? $anchor : $icon]\n  )\n\n  addClass($icon, 'outline-toolbar__icon')\n\n  if (rounded) {\n    addClass($button, 'outline-toolbar_rounded')\n  }\n\n  if (button.disabled) {\n    addClass($button, 'outline-toolbar_disabled')\n  }\n\n  return $button\n}\n\nexport default _createButton\n","import Base from './base'\n\nimport isString from './utils/types/isString'\nimport isFunction from './utils/types/isFunction'\nimport isObject from './utils/types/isObject'\nimport isArray from './utils/types/isArray'\nimport later from './utils/lang/later'\nimport cloneDeep from './utils/lang/cloneDeep'\nimport createElement from './utils/dom/createElement'\nimport addClass from './utils/dom/addClass'\nimport hasClass from './utils/dom/hasClass'\nimport removeClass from './utils/dom/removeClass'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport paint from './utils/icons/paint'\n\nimport _createButton from './_createButton'\n\nconst DISABLED = 'outline-toolbar_disabled'\nconst HIDDEN = 'outline-toolbar_hidden'\n\nclass Toolbar extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Toolbar.DEFAULTS)\n    this.$el = null\n    this.disabled = false\n    this.closed = false\n    this.buttons = []\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    let created\n\n    this.attr(options)\n    created = this.attr('created')\n    this.disabled = this.attr('disabled')\n    this.closed = this.attr('closed')\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    this.render().addListeners()\n\n    return this\n  }\n\n  isDisabled(name) {\n    const buttons = this.attr('buttons')\n    let button\n\n    if (name) {\n      button = buttons.find((option) => option.name === name)\n\n      return button?.disabled\n    }\n\n    return this.disabled\n  }\n\n  isClosed() {\n    return this.closed\n  }\n\n  highlight(name) {\n    const button = this.buttons.find((item) => item.name === name)\n    const ACTIVE = 'outline-toolbar_active'\n    let $button\n\n    if ($button) {\n      return this\n    }\n\n    $button = button.$el\n\n    if (hasClass($button, ACTIVE)) {\n      removeClass($button, ACTIVE)\n    } else {\n      addClass($button, ACTIVE)\n    }\n\n    return this\n  }\n\n  render() {\n    const mounted = this.attr('mounted')\n    const buttons = this.attr('buttons') || []\n    const rounded = this.attr('rounded')\n    const placement = this.attr('placement')\n    const $buttons = []\n\n    paint()\n\n    buttons.forEach((button) => {\n      const $button = _createButton(button, rounded)\n\n      $buttons.push($button)\n      this.buttons.push({\n        name: button.name,\n        $el: $button\n      })\n    })\n\n    this.$el = createElement(\n      'div',\n      {\n        id: 'outline-toolbar',\n        className: `outline-toolbar outline-toolbar_${placement}`\n      },\n      $buttons\n    )\n    document.body.appendChild(this.$el)\n\n    if (this.closed) {\n      this.hide()\n    }\n\n    if (this.disabled) {\n      this.disable()\n    }\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    return this\n  }\n\n  add(button) {\n    const $el = this.$el\n    const buttons = this.attr('buttons')\n    const action = button.action\n    const $fragment = document.createDocumentFragment()\n    let type\n\n    if (isObject(button)) {\n      buttons.push(button)\n      $fragment.appendChild(_createButton(button))\n    } else if (isArray(button)) {\n      button.forEach((item) => {\n        $fragment.appendChild(_createButton(item))\n      })\n    }\n    $el.appendChild($fragment)\n\n    if (action && isFunction(action.handler)) {\n      type = action.type || 'click'\n      on($el, `.${button.name}`, type, action.handler)\n    }\n\n    return this\n  }\n\n  remove(name) {\n    const $el = this.$el\n    const buttons = this.attr('buttons')\n    const button = buttons.find((option) => option.name === name)\n    let index = -1\n    let $button\n\n    if (!button) {\n      return this\n    }\n\n    buttons.forEach((button, i) => {\n      if (button.name === name) {\n        index = i\n      }\n    })\n\n    if (index > -1) {\n      this.attr().buttons.splice(index, 1)\n    }\n\n    $button = $el.querySelector(`.${name}`)\n    this.switch(name, false)\n    $el.removeChild($button)\n\n    return this\n  }\n\n  switch(name, enabled) {\n    const $el = this.$el\n    const buttons = this.attr('buttons')\n    const button = buttons.find((option) => option.name === name)\n    let action\n    let type\n    let listener\n    let $button\n\n    if (!button) {\n      return this\n    }\n\n    buttons.forEach((option) => {\n      if (option.name === name) {\n        button.disabled = !enabled\n      }\n    })\n\n    action = button.action\n    $button = $el.querySelector(`.${name}`)\n\n    if (action) {\n      type = action.type || 'click'\n      listener = action.handler\n    }\n\n    if (enabled) {\n      removeClass($button, DISABLED)\n\n      if (type && listener) {\n        on($el, `.${name}`, type, listener)\n      }\n    } else {\n      addClass($button, DISABLED)\n\n      if (type && listener) {\n        off($el, type, listener)\n      }\n    }\n\n    return this\n  }\n\n  disable(name) {\n    const disabled = this.attr('afterDisabled')\n\n    if (name) {\n      this.switch(name, false)\n    } else {\n      addClass(this.$el, DISABLED)\n      this.removeListeners()\n      this.disabled = true\n\n      if (isFunction(disabled)) {\n        disabled.call(this)\n      }\n    }\n\n    return this\n  }\n\n  enable(name) {\n    const enabled = this.attr('afterEnabled')\n\n    if (name) {\n      this.switch(name, true)\n    } else {\n      this.disabled = false\n      removeClass(this.$el, DISABLED)\n      this.addListeners()\n\n      if (isFunction(enabled)) {\n        enabled.call(this)\n      }\n    }\n\n    return this\n  }\n\n  show(name) {\n    const opened = this.attr('afterOpened')\n    const button = this.attr('buttons').find((option) => option.name === name)\n    const $el = this.$el\n    let $button\n\n    if (name) {\n      if (!button) {\n        return this\n      }\n\n      $button = $el.querySelector(`.${name}`)\n      removeClass($button, HIDDEN)\n    } else {\n      removeClass($el, HIDDEN)\n      this.closed = false\n\n      if (isFunction(opened)) {\n        later(() => {\n          opened.call(this)\n        }, 310)\n      }\n    }\n\n    return this\n  }\n\n  hide(name) {\n    const closed = this.attr('afterClosed')\n    const button = this.attr('buttons').find((option) => option.name === name)\n    const $el = this.$el\n    let $button\n\n    if (name) {\n      if (!button) {\n        return this\n      }\n      $button = $el.querySelector(`.${name}`)\n      addClass($button, HIDDEN)\n    } else {\n      addClass($el, HIDDEN)\n      this.closed = true\n\n      if (isFunction(closed)) {\n        later(() => {\n          closed.call(this)\n        }, 310)\n      }\n    }\n\n    return this\n  }\n\n  toggle() {\n    if (this.isClosed()) {\n      this.show()\n    } else {\n      this.hide()\n    }\n\n    return this\n  }\n\n  destroy() {\n    const beforeDestroy = this.attr('beforeDestroy')\n    const afterDestroy = this.attr('afterDestroy')\n    let $el = this.$el\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n    document.body.removeChild($el)\n    $el = null\n\n    this.attr(Toolbar.DEFAULTS)\n    this.disabled = false\n    this.closed = false\n    this.buttons = []\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    return this\n  }\n\n  refresh() {\n    const $el = this.$el\n    const buttons = this.attr('buttons') || []\n\n    this.removeListeners()\n    $el.innerHTML = ''\n\n    buttons.forEach((button) => {\n      this.$el.appendChild(_createButton(button))\n    })\n\n    this.addListeners()\n\n    return this\n  }\n\n  addListeners() {\n    const buttons = this.attr('buttons')\n    const $el = this.$el\n\n    if (!buttons || buttons.length < 1) {\n      return this\n    }\n\n    buttons.forEach((button) => {\n      const action = button.action\n      const disabled = this.disabled\n      let type\n      let listener\n      let context\n      let command\n\n      if (disabled) {\n        return false\n      }\n\n      if (action) {\n        listener = action.handler\n        if (isString(listener)) {\n          command = listener\n          action.handler = function () {\n            this.$emit(command, button.name)\n          }\n          listener = action.handler\n        }\n\n        type = action.type || 'click'\n        context = action.context\n      }\n\n      if (isFunction(listener)) {\n        on($el, `.${button.name}`, type, listener, context || this, true)\n      }\n    })\n\n    return this\n  }\n\n  removeListeners() {\n    const buttons = this.attr('buttons')\n    const $el = this.$el\n\n    if (!buttons || buttons.length < 1) {\n      return this\n    }\n\n    buttons.forEach((button) => {\n      const action = button.action\n      const disabled = this.disabled\n      let type\n      let listener\n\n      if (disabled) {\n        return false\n      }\n\n      if (action) {\n        listener = action.handler\n        type = action.type || 'click'\n      }\n\n      if (isFunction(listener)) {\n        off($el, type, listener)\n      }\n    })\n\n    return this\n  }\n}\n\nToolbar.DEFAULTS = {\n  placement: 'ltr',\n  closed: false,\n  disabled: false,\n  rounded: true,\n  buttons: [],\n  created: null,\n  mounted: null,\n  afterClosed: null,\n  afterOpened: null,\n  afterDisabled: null,\n  afterEnabled: null,\n  beforeDestroy: null,\n  afterDestroy: null\n}\n\nexport default Toolbar\n","import isObject from './isObject'\n\n/**\n * 检测测试数据是否为类似 Object 类型\n * ========================================================================\n * @method isObjectLike\n * @param {Object} val - 要检测的数据\n * @returns {Boolean} 'val' 是类似 Object 类型，返回 true，否则返回 false\n */\nconst isObjectLike = (val) => {\n  return isObject(val) && val !== null\n}\n\nexport default isObjectLike\n","import isObjectLike from './isObjectLike'\n\n/**\n * 检测测试数据是否为普通对象\n * ========================================================================\n * @method isPlainObject\n * @param {Object} val - 要检测的数据\n * @returns {Boolean} 'val' 是普通对象，返回 true，否则返回 false\n */\nconst isPlainObject = (val) => {\n  const getPrototypeOf = Object.getPrototypeOf\n  let proto\n\n  // Detect obvious negatives\n  if (!isObjectLike(val)) {\n    return false\n  }\n\n  proto = val.prototype\n\n  // JavaScript 对象分为两种：普通对象和函数对象\n  // 普通对象：原型是 __proto__，没有 prototype 原型（属性）\n  // 函数对象：原型是 prototype ，prototype 只存在于函数对象上\n  if (!proto) {\n    return true\n  }\n\n  proto = val\n\n  while (getPrototypeOf(proto) !== null) {\n    proto = getPrototypeOf(proto)\n  }\n\n  return getPrototypeOf(val) === proto\n}\n\nexport default isPlainObject\n","/**\r\n * 移除字符串中的 JavaScript 代码\r\n * ====================================================\r\n * @param {String} str\r\n * @returns {String}\r\n */\r\nconst stripScripts = (str) => {\r\n  return str.replace(/]*>.*?<\\/script>/gi, '')\r\n}\r\n\r\nexport default stripScripts\r\n","/**\r\n * 转义字符串中的 HTML 标签\r\n *\r\n * @param {String} str - 需要转义的字符串\r\n * @returns {String}\r\n */\r\nconst encodeHTML = (str) => {\r\n  const CHARTS = {\r\n    '&': '&',\r\n    '<': '<',\r\n    '>': '>',\r\n    \"'\": ''',\r\n    '\"': '"'\r\n  }\r\n\r\n  return str.replace(/[&<>'\"]/g, (tag) => {\r\n    return CHARTS[tag] || tag\r\n  })\r\n}\r\n\r\nexport default encodeHTML\r\n","import isString from './utils/types/isString'\r\nimport isPlainObject from './utils/types/isPlainObject'\r\nimport isFunction from './utils/types/isFunction'\r\n\r\nimport extend from './utils/lang/extend'\r\nimport later from './utils/lang/later'\r\nimport stripScripts from './utils/lang/stripScripts'\r\nimport encodeHTML from './utils/lang/encodeHTML'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport guid from './utils/lang/guid'\r\n\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport setAttribute from './utils/dom/setAttribute'\r\nimport setAttributes from './utils/dom/setAttributes'\r\n\r\nimport icon from './utils/icons/icon'\r\nimport paint from './utils/icons/paint'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\n\r\nimport Base from './base'\r\n\r\nconst TYPES = ['info', 'success', 'warning', 'error']\r\nconst instances = []\r\nlet instance\r\n\r\npaint()\r\n\r\nclass Message extends Base {\r\n  constructor(options) {\r\n    super()\r\n    this.attrs = cloneDeep(Message.DEFAULTS)\r\n\r\n    this.$el = null\r\n    this.id = ''\r\n    this.closed = false\r\n    this.visible = false\r\n    this.offset = -50\r\n    this.timer = null\r\n    this.destroyed = false\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)\r\n    this.id = this.attr('id')\r\n    this.offset = this.attr('offset') || -50\r\n\r\n    this.$emit('created', { ...this.attr() })\r\n\r\n    this.render().addListeners()\r\n\r\n    if (this.attr('visible')) {\r\n      this.open()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  isDestroyed() {\r\n    return this.destroyed\r\n  }\r\n\r\n  _getClassName() {\r\n    const type = this.attr('type')\r\n    const effect = this.attr('effect')\r\n    const round = this.attr('round')\r\n    const closable = this.attr('closable')\r\n    const visible = this.attr('visible')\r\n    const customClass = this.attr('customClass')\r\n    const className = [\r\n      'outline-message',\r\n      `outline-message_${type}`,\r\n      `outline-message_${effect}`\r\n    ]\r\n\r\n    if (round) {\r\n      className.push('outline-message_round')\r\n    }\r\n\r\n    if (!closable) {\r\n      className.push('outline-message_full-width')\r\n    }\r\n\r\n    if (visible) {\r\n      className.push('outline-message_visible')\r\n    }\r\n\r\n    if (customClass) {\r\n      className.push(customClass)\r\n    }\r\n\r\n    return className\r\n  }\r\n\r\n  render() {\r\n    const type = this.attr('type')\r\n    const message = this.attr('message')\r\n    const effect = this.attr('effect')\r\n    const round = this.attr('round')\r\n    const closable = this.attr('closable')\r\n    const dangerouslyUseHTMLString = this.attr('dangerouslyUseHTMLString')\r\n    const className = this._getClassName()\r\n    const iconName = effect === 'light' ? `circle-${type}` : type\r\n    const children = []\r\n    let iconSize = 20\r\n    let $type\r\n    let $message\r\n    let $text\r\n    let $close\r\n    let $el\r\n\r\n    if (round && effect === 'default') {\r\n      iconSize = 12\r\n    }\r\n\r\n    if (effect !== 'plain') {\r\n      $type = icon(iconName, {\r\n        iconSet: 'outline',\r\n        size: iconSize\r\n      })\r\n      addClass($type, 'outline-message__icon')\r\n      children.push($type)\r\n    }\r\n\r\n    if (!dangerouslyUseHTMLString) {\r\n      $text = document.createTextNode(encodeHTML(stripScripts(message)))\r\n    } else {\r\n      $text = document.createDocumentFragment()\r\n      $text.innerHTML = message\r\n    }\r\n    $message = createElement(\r\n      'p',\r\n      {\r\n        className: 'outline-message__content'\r\n      },\r\n      [$text]\r\n    )\r\n    children.push($message)\r\n\r\n    if (closable) {\r\n      $close = icon('close', {\r\n        iconSet: 'outline',\r\n        size: 18\r\n      })\r\n      addClass($close, 'outline-message__close')\r\n      children.push($close)\r\n    }\r\n\r\n    $el = createElement(\r\n      'div',\r\n      {\r\n        className: className.join(' ')\r\n      },\r\n      children\r\n    )\r\n    $el.style.cssText = `top:-50px;`\r\n    this.$el = $el\r\n    document.body.appendChild(this.$el)\r\n\r\n    this.$emit('mounted')\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshIcon() {\r\n    const HIDDEN = '.outline-message_hidden'\r\n    const $el = this.$el\r\n    let iconSize = 20\r\n    let type\r\n    let effect\r\n    let round\r\n    let iconName\r\n    let $icon\r\n    let $svg\r\n    let $use\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    $icon = $el.querySelector('.outline-icon')\r\n\r\n    if (!$icon) {\r\n      return this\r\n    }\r\n\r\n    type = this.attr('type')\r\n    effect = this.attr('effect')\r\n    round = this.attr('round')\r\n\r\n    if (effect === 'plain') {\r\n      addClass($icon, HIDDEN)\r\n    } else {\r\n      removeClass($icon, HIDDEN)\r\n\r\n      if (round && effect === 'default') {\r\n        iconSize = 12\r\n      }\r\n    }\r\n\r\n    $svg = $icon.querySelector('.outline-icon__svg')\r\n    setAttributes($svg, {\r\n      style: `width:${iconSize}px;height:${iconSize}px;`\r\n    })\r\n\r\n    $use = $svg.querySelector('use')\r\n    iconName = effect === 'light' ? `circle-${type}` : type\r\n    setAttribute($use, 'xlink:href', `#outline-icon-${iconName}`)\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshMessage() {\r\n    const $el = this.$el\r\n    let $message\r\n    let dangerouslyUseHTMLString\r\n    let message\r\n    let text\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    $message = $el.querySelector('.outline-message__content')\r\n    dangerouslyUseHTMLString = this.attr('dangerouslyUseHTMLString')\r\n    message = this.attr('message')\r\n\r\n    if (!dangerouslyUseHTMLString) {\r\n      text = encodeHTML(stripScripts(message))\r\n    } else {\r\n      text = message\r\n    }\r\n\r\n    $message.innerHTML = text\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshClose() {\r\n    const HIDDEN = '.outline-message_hidden'\r\n    const $el = this.$el\r\n    let $close\r\n    let closable\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    $close = $el.querySelector('.outline-message__close')\r\n    closable = this.attr('closable')\r\n\r\n    if ($close) {\r\n      if (closable) {\r\n        addClass($close, HIDDEN)\r\n      } else {\r\n        removeClass($close, HIDDEN)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshEl() {\r\n    const $el = this.$el\r\n    let className\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    className = this._getClassName()\r\n    setAttribute($el, 'className', className.join(' '))\r\n\r\n    return this\r\n  }\r\n\r\n  refresh(options) {\r\n    if (!isPlainObject(options)) {\r\n      return this\r\n    }\r\n\r\n    this.attr(options)\r\n      ._refreshIcon()\r\n      ._refreshMessage()\r\n      ._refreshClose()\r\n      ._refreshEl()\r\n\r\n    return this\r\n  }\r\n\r\n  clearTimer() {\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    if (this.timer) {\r\n      clearTimeout(this.timer)\r\n      this.timer = null\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  startTimer(duration) {\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    this.timer = later(() => {\r\n      this.$emit('opened')\r\n      this.close()\r\n    }, duration * 1000)\r\n\r\n    return this\r\n  }\r\n\r\n  open(options) {\r\n    const $el = this.$el\r\n    let offset\r\n    let duration\r\n    let top\r\n    let cssRules\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    if (this.isClosed()) {\r\n      this.refresh(options)\r\n    }\r\n\r\n    offset = this.attr('offset')\r\n    duration = this.attr('duration')\r\n    top = offset && offset >= this.offset ? offset : this.offset\r\n    cssRules = `top:${top}px;`\r\n\r\n    this.clearTimer()\r\n\r\n    this.$emit('beforeOpen')\r\n\r\n    later(() => {\r\n      this.visible = true\r\n\r\n      addClass($el, 'outline-message_visible')\r\n      $el.style.cssText = cssRules\r\n\r\n      if (duration > 0) {\r\n        this.startTimer(duration)\r\n      }\r\n    }, 100)\r\n\r\n    return this\r\n  }\r\n\r\n  close() {\r\n    const $el = this.$el\r\n    const cssRules = `top:-50px;`\r\n    let destroyAfterClosed\r\n    let beforeClose\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    destroyAfterClosed = this.attr('destroyAfterClosed')\r\n    beforeClose = this.attr('beforeClose')\r\n\r\n    if (isFunction(beforeClose)) {\r\n      beforeClose.call(this)\r\n    }\r\n\r\n    $el.style.cssText = cssRules\r\n    removeClass($el, 'outline-message_visible')\r\n\r\n    this.visible = false\r\n    this.closed = true\r\n\r\n    later(() => {\r\n      this.$emit('closed')\r\n\r\n      if (destroyAfterClosed) {\r\n        this.destroy()\r\n      }\r\n    }, 500)\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    this.$emit('beforeDestroy')\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    this.removeListeners()\r\n    document.body.removeChild(this.$el)\r\n\r\n    this.attr(Message.DEFAULTS)\r\n\r\n    this.id = ''\r\n    this.closed = true\r\n    this.visible = false\r\n    this.offset = -50\r\n    clearTimeout(this.timer)\r\n    this.timer = null\r\n    this.destroyed = true\r\n\r\n    this.$el = null\r\n\r\n    this.$emit('afterDestroy')\r\n\r\n    return this\r\n  }\r\n\r\n  onMouseEnter() {\r\n    this.clearTimer()\r\n    return this\r\n  }\r\n\r\n  onMouseLeave() {\r\n    const duration = this.attr('duration')\r\n    const delay = this.attr('delay')\r\n\r\n    if (duration <= 0) {\r\n      return this\r\n    }\r\n\r\n    this.startTimer(delay)\r\n\r\n    return this\r\n  }\r\n\r\n  onClose() {\r\n    this.clearTimer()\r\n    this.close()\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $el = this.$el\r\n\r\n    on(\r\n      $el,\r\n      '.outline-message__content',\r\n      'mouseenter',\r\n      this.onMouseEnter,\r\n      this,\r\n      true\r\n    )\r\n    on(\r\n      $el,\r\n      '.outline-message__content',\r\n      'mouseleave',\r\n      this.onMouseLeave,\r\n      this,\r\n      true\r\n    )\r\n    on($el, '.outline-message__close', 'click', this.onClose, this, true)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $el = this.$el\r\n\r\n    off($el, 'mouseenter', this.onMouseEnter)\r\n    off($el, 'mouseleave', this.onMouseLeave)\r\n    off($el, 'click', this.onClose)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nMessage.DEFAULTS = {\r\n  id: '',\r\n  type: 'info',\r\n  effect: 'default',\r\n  round: false,\r\n  offset: 30,\r\n  duration: 3,\r\n  delay: 2,\r\n  message: '',\r\n  customClass: '',\r\n  closable: true,\r\n  visible: true,\r\n  dangerouslyUseHTMLString: false,\r\n  destroyAfterClosed: true,\r\n  beforeClose: null\r\n}\r\n\r\nTYPES.forEach((type) => {\r\n  Message[type] = (options) => {\r\n    const config = {}\r\n    const id = guid(`outline-message-`)\r\n    const beforeClose = options.beforeClose || null\r\n    let offset = options.offset || 30\r\n\r\n    if (isString(options)) {\r\n      config.message = options\r\n    } else {\r\n      if (isPlainObject(options)) {\r\n        extend(config, options)\r\n      }\r\n    }\r\n    config.id = id\r\n    config.type = type\r\n    config.offset = offset\r\n    config.visible = false\r\n    config.beforeClose = () => {\r\n      Message.close(id, beforeClose)\r\n    }\r\n\r\n    instance = new Message(config)\r\n    instances.forEach((item) => {\r\n      offset += item.$el.offsetHeight + 16\r\n    })\r\n    instance.offset = offset\r\n    instance.open()\r\n    instances.push(instance)\r\n\r\n    return instance\r\n  }\r\n})\r\n\r\n// 关闭指定 id 消息的静态方法\r\nMessage.close = (id, beforeClose) => {\r\n  const len = instances.length\r\n  let index = -1\r\n  let i\r\n  let offsetHeight\r\n\r\n  instances.forEach((instance, i) => {\r\n    // 在 instances 中通过 id 找到要关闭的消息\r\n    if (id === instance.id) {\r\n      offsetHeight = instance.$el.offsetHeight\r\n      index = i\r\n\r\n      // 关闭消息\r\n      if (isFunction(beforeClose)) {\r\n        beforeClose.call(instance)\r\n      }\r\n\r\n      instances.splice(i, 1)\r\n    }\r\n  })\r\n\r\n  if (len <= 1 || index === -1 || index > instances.length - 1) {\r\n    return false\r\n  }\r\n\r\n  i = index\r\n\r\n  // 界面中的消息逐个向上收起\r\n  for (; i < len - 1; i += 1) {\r\n    const dom = instances[i].$el\r\n\r\n    dom.style['top'] = parseInt(dom.style['top'], 10) - offsetHeight - 16 + 'px'\r\n  }\r\n}\r\n\r\n// 关闭所有消息的静态方法\r\nMessage.clear = () => {\r\n  let i = instances.length - 1\r\n  for (; i >= 0; i -= 1) {\r\n    instances[i].close()\r\n  }\r\n}\r\n\r\nexport default Message\r\n","import isString from './utils/types/isString'\r\nimport isElement from './utils/types/isElement'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport later from './utils/lang/later'\r\nimport icon from './utils/icons/icon'\r\n\r\nconst _updateSiblingElements = (siblingElement, isPrev) => {\r\n  let tagName\r\n  let $sibling = siblingElement\r\n\r\n  while ($sibling) {\r\n    tagName = $sibling.tagName.toLowerCase()\r\n\r\n    if (tagName !== 'script' && tagName !== 'style') {\r\n      addClass($sibling, 'outline-print_sibling')\r\n    }\r\n\r\n    if (isPrev) {\r\n      $sibling = $sibling.previousElementSibling\r\n    } else {\r\n      $sibling = $sibling.nextElementSibling\r\n    }\r\n  }\r\n}\r\n\r\nconst paintPrint = (el, title) => {\r\n  const $fragment = document.createDocumentFragment()\r\n  let text = title\r\n  let $el\r\n  let $wrapper\r\n  let $article\r\n  let $title\r\n  let $sibling\r\n  let $icon\r\n  let $children\r\n\r\n  if (isString(el)) {\r\n    $el = document.querySelector(el)\r\n  } else if (isElement(el)) {\r\n    $el = el\r\n  }\r\n\r\n  if (!$el) {\r\n    return false\r\n  }\r\n\r\n  $icon = icon('close', {\r\n    iconSet: 'outline',\r\n    size: 20,\r\n    attrs: {\r\n      className: 'outline-print__close'\r\n    }\r\n  })\r\n\r\n  $title = $el.querySelector('h1')\r\n\r\n  if (isElement(title)) {\r\n    $title = title\r\n  }\r\n\r\n  if (isElement($title)) {\r\n    text = $title.innerText\r\n  }\r\n\r\n  $title = createElement(\r\n    'h1',\r\n    {\r\n      className: 'outline-print__title'\r\n    },\r\n    text\r\n  )\r\n\r\n  $article = createElement('article', {\r\n    id: 'outline-print__article',\r\n    className: 'outline-print__article'\r\n  })\r\n\r\n  $wrapper = createElement(\r\n    'section',\r\n    {\r\n      id: 'outline-print',\r\n      className: 'outline-print'\r\n    },\r\n    [$icon, $title, $article]\r\n  )\r\n  document.body.appendChild($wrapper)\r\n\r\n  later(() => {\r\n    // 设置邻居节点的打印样式\r\n    $sibling = $wrapper.previousElementSibling\r\n    _updateSiblingElements($sibling, true)\r\n\r\n    $sibling = $wrapper.nextElementSibling\r\n    _updateSiblingElements($sibling)\r\n\r\n    // 克隆文章内容\r\n    $children = $el.cloneNode(true).childNodes\r\n    $children.forEach(($child) => {\r\n      $fragment.appendChild($child)\r\n    })\r\n    $article.appendChild($fragment)\r\n  })\r\n}\r\n\r\nexport default paintPrint\r\n","import later from './utils/lang/later'\nimport cloneDeep from './utils/lang/cloneDeep'\nimport isFunction from './utils/types/isFunction'\nimport isString from './utils/types/isString'\nimport isElement from './utils/types/isElement'\nimport addClass from './utils/dom/addClass'\nimport removeClass from './utils/dom/removeClass'\nimport scrollTo from './utils/dom/scrollTo'\nimport _getScrollElement from './utils/dom/_getScrollElement'\nimport at from './utils/event/at'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport stop from './utils/event/stop'\n\nimport Base from './base'\nimport Anchors from './anchors'\nimport Drawer from './drawer'\nimport Chapters from './chapters'\nimport Toolbar from './toolbar'\nimport Message from './message'\nimport paintPrint from './print'\n\nconst ENTER_READING_TIP = '进入阅读模式，按 ESC 键可退出阅读模式'\n\nclass Outline extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Outline.DEFAULTS)\n    this.anchors = null\n    this.drawer = null\n    this.chapters = null\n    this.toolbar = null\n    this.buttons = []\n    this.reading = false\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    this.attr(options)\n    this.$emit('created', { ...this.attr() })\n    this.render().addListeners()\n    return this\n  }\n\n  getChapters(isTreeStructured = false) {\n    return this.anchors.getChapters(isTreeStructured)\n  }\n\n  count() {\n    return this.anchors.count()\n  }\n\n  render() {\n    const hasToolbar = this.attr('hasToolbar')\n    const scrollElement = this.attr('scrollElement')\n    const $scrollElement = document.querySelector(scrollElement)\n\n    this._renderPrint()._renderAnchors()._renderChapters()._renderToolbar()\n\n    if ($scrollElement && hasToolbar) {\n      this.onToolbarUpdate({\n        top: $scrollElement.scrollTop,\n        min: 0,\n        max: $scrollElement.scrollHeight\n      })\n    }\n\n    this.$emit('mounted')\n\n    return this\n  }\n\n  _renderPrint() {\n    const option = this.attr('print')\n    const articleElement = this.attr('articleElement')\n    let $articleElement\n    let $print\n    let element\n\n    if (!option.element) {\n      return this\n    }\n\n    if (isString(articleElement)) {\n      $articleElement = document.querySelector(articleElement)\n    } else if (isElement(articleElement)) {\n      $articleElement = articleElement\n    }\n\n    addClass($articleElement, 'outline-article')\n\n    element = option.element\n\n    if (isString(element)) {\n      $print = document.querySelector(element)\n    } else if (isElement(element)) {\n      $print = element\n    }\n\n    paintPrint($print, option.title)\n\n    return this\n  }\n\n  _renderAnchors() {\n    const articleElement = this.attr('articleElement')\n    const selector = this.attr('selector')\n    const stickyHeight = this.attr('stickyHeight')\n    const scrollElement = this.attr('scrollElement')\n    const showCode = this.attr('showCode')\n    const anchorURL = this.attr('anchorURL')\n    const afterScroll = this.attr('afterScroll')\n    const chapterTextFilter = this.attr('chapterTextFilter')\n\n    this.anchors = new Anchors({\n      articleElement,\n      stickyHeight,\n      scrollElement,\n      selector,\n      showCode,\n      anchorURL,\n      afterScroll,\n      chapterTextFilter\n    })\n\n    return this\n  }\n\n  _renderChapters() {\n    const title = this.attr('title')\n    const stickyHeight = this.attr('stickyHeight')\n    const scrollElement = this.attr('scrollElement')\n    const customClass = this.attr('customClass')\n    const showCode = this.attr('showCode')\n    const animationCurrent = this.attr('animationCurrent')\n    const position = this.attr('position')\n    const placement = this.attr('placement')\n    const afterSticky = this.attr('afterSticky')\n    const afterToggle = this.attr('afterToggle')\n    const afterScroll = this.attr('afterScroll')\n    const count = this.count()\n    let parentElement = this.attr('parentElement')\n    let CHAPTERS_OPTIONS\n\n    if (count < 1) {\n      return this\n    }\n\n    CHAPTERS_OPTIONS = {\n      scrollElement,\n      showCode,\n      animationCurrent,\n      position,\n      title,\n      stickyHeight,\n      chapters: this.getChapters(),\n      afterSticky,\n      afterToggle,\n      afterScroll\n    }\n\n    if (position === 'relative') {\n      this.drawer = new Drawer({\n        placement,\n        title,\n        size: 'tiny',\n        hasOffset: true,\n        hasPadding: false,\n        customClass,\n        afterClosed: () => {\n          const toolbar = this.toolbar\n          toolbar.toggle()\n        }\n      })\n      parentElement = this.drawer.$main\n    } else {\n      CHAPTERS_OPTIONS.customClass = customClass\n    }\n\n    CHAPTERS_OPTIONS.parentElement = parentElement\n    this.chapters = new Chapters(CHAPTERS_OPTIONS)\n\n    return this\n  }\n\n  _renderToolbar() {\n    const hasToolbar = this.attr('hasToolbar')\n    const placement = this.attr('placement')\n    const homepage = this.attr('homepage')\n    const git = this.attr('git')\n    const tags = this.attr('tags')\n    const issues = this.attr('issues')\n    const tools = this.attr('tools')\n    const option = this.attr('print')\n    const count = this.count()\n    const UP = {\n      name: 'up',\n      icon: 'up',\n      size: 20,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:up'\n      }\n    }\n    const HOME = {\n      name: 'homepage',\n      icon: 'homepage',\n      size: 20,\n      link: homepage\n    }\n    const GIT = {\n      name: 'github',\n      icon: 'github',\n      size: 20,\n      link: git\n    }\n    const TAGS = {\n      name: 'tags',\n      icon: 'tags',\n      size: 20,\n      link: tags\n    }\n    const ISSUES = {\n      name: 'issues',\n      icon: 'issues',\n      size: 20,\n      link: issues\n    }\n    const MENU = {\n      name: 'menu',\n      icon: 'menu',\n      size: 18,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:toggle'\n      }\n    }\n    const READING = {\n      name: 'reading',\n      icon: 'file',\n      size: 18,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:reading'\n      }\n    }\n    const PRINT = {\n      name: 'print',\n      icon: 'print',\n      size: 20,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:print'\n      }\n    }\n    const DOWN = {\n      name: 'down',\n      icon: 'down',\n      size: 20,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:down'\n      }\n    }\n    const buttons = []\n\n    if (!hasToolbar) {\n      return this\n    }\n\n    buttons.push(UP)\n    if (count > 0) {\n      buttons.push(MENU)\n    }\n    if (homepage) {\n      buttons.push(HOME)\n    }\n    if (git) {\n      buttons.push(GIT)\n    }\n    if (tags) {\n      buttons.push(TAGS)\n    }\n    if (issues) {\n      buttons.push(ISSUES)\n    }\n    if (option.element) {\n      buttons.push(READING)\n      if (isFunction(print)) {\n        buttons.push(PRINT)\n      }\n    }\n    if (tools?.length > 0) {\n      buttons.push(...tools)\n    }\n    buttons.push(DOWN)\n    this.buttons = [...buttons]\n\n    this.toolbar = new Toolbar({\n      placement,\n      buttons\n    })\n\n    return this\n  }\n\n  addButton(button) {\n    const toolbar = this.toolbar\n    const buttons = this.buttons\n    buttons.splice(-1, 0, button)\n    toolbar.attr({\n      buttons\n    })\n    toolbar.refresh()\n    return this\n  }\n\n  removeButton(name) {\n    this.toolbar.remove(name)\n    return this\n  }\n\n  toTop() {\n    const afterScroll = this.attr('afterScroll')\n    const toolbar = this.toolbar\n    const chapters = this.chapters\n    const count = this.count()\n    const afterTop = () => {\n      toolbar.hide('up')\n      toolbar.show('down')\n\n      if (count > 0) {\n        chapters.highlight(0)\n        chapters.playing = false\n      }\n\n      if (isFunction(afterScroll)) {\n        afterScroll.call(toolbar, 'up')\n      }\n    }\n\n    if (count > 0) {\n      chapters.playing = true\n    }\n    this.scrollTo(0, afterTop)\n\n    return this\n  }\n\n  toBottom() {\n    const afterScroll = this.attr('afterScroll')\n    const $scrollElement = _getScrollElement(this.attr('scrollElement'))\n    const toolbar = this.toolbar\n    const chapters = this.chapters\n    const count = this.count()\n    const top = Math.floor(\n      $scrollElement.scrollHeight - $scrollElement.clientHeight\n    )\n    const afterDown = () => {\n      toolbar.hide('down')\n      toolbar.show('up')\n\n      if (count > 0) {\n        chapters.highlight(count - 1)\n        chapters.playing = false\n      }\n\n      if (isFunction(afterScroll)) {\n        afterScroll.call(toolbar, 'bottom')\n      }\n    }\n\n    if (count > 0) {\n      chapters.playing = true\n    }\n    this.scrollTo(top, afterDown)\n\n    return this\n  }\n\n  scrollTo(top, afterScroll) {\n    const scrollElement = this.attr('scrollElement')\n    scrollTo(scrollElement, top, afterScroll)\n    return this\n  }\n\n  enterReading() {\n    const READING = 'outline-reading'\n    const HIDDEN = `${READING}_hidden`\n    const $reading = document.querySelector('#outline-print')\n    const $siblings = document.querySelectorAll('.outline-print_sibling')\n    const options = this.attr('print')\n    const enterReadingTip = options.enterReadingTip || ENTER_READING_TIP\n\n    if (this.reading || !$reading) {\n      return this\n    }\n\n    $siblings.forEach(($sibling) => {\n      addClass($sibling, HIDDEN)\n    })\n    addClass($reading, READING)\n    this.reading = true\n\n    this.toolbar.toggle()\n\n    Message.info({\n      round: true,\n      message: enterReadingTip\n    })\n\n    this.$emit('enterReading')\n\n    return this\n  }\n\n  exitReading() {\n    const READING = 'outline-reading'\n    const HIDDEN = `${READING}_hidden`\n    const $reading = document.querySelector('#outline-print')\n    const $siblings = document.querySelectorAll('.outline-print_sibling')\n\n    if (!this.reading || !$reading) {\n      return this\n    }\n\n    removeClass($reading, READING)\n    $siblings.forEach(($sibling) => {\n      removeClass($sibling, HIDDEN)\n    })\n    this.reading = false\n\n    this.toolbar.toggle()\n\n    this.$emit('exitReading')\n\n    return this\n  }\n\n  switchReading() {\n    const $print = document.querySelector('#outline-print')\n\n    if (!$print) {\n      return this\n    }\n\n    if (!this.reading) {\n      this.enterReading()\n    } else {\n      this.exitReading()\n    }\n\n    return this\n  }\n\n  toggle() {\n    const position = this.attr('position')\n    const toolbar = this.toolbar\n    const drawer = this.drawer\n    const chapters = this.chapters\n    const count = this.count()\n\n    if (count < 1) {\n      return this\n    }\n\n    if (position !== 'relative') {\n      chapters.toggle()\n      toolbar.highlight('menu')\n    } else {\n      toolbar.toggle()\n\n      later(() => {\n        drawer.toggle()\n      })\n    }\n\n    return this\n  }\n\n  print() {\n    if (!isFunction(print)) {\n      return this\n    }\n\n    print()\n\n    return this\n  }\n\n  destroy() {\n    let anchors = this.anchors\n    let chapters = this.chapters\n    let drawer = this.drawer\n    let toolbar = this.toolbar\n    let isOutside = false\n    const count = this.count()\n    const $print = document.querySelector('#outline-print')\n\n    this.$emit('beforeDestroy')\n\n    this.removeListeners()\n\n    if ($print) {\n      document.body.removeChild($print)\n    }\n\n    if (count > 0) {\n      isOutside = chapters.isOutside()\n\n      chapters.destroy()\n      chapters = null\n\n      if (isOutside) {\n        drawer.destroy()\n        drawer = null\n      }\n    }\n\n    toolbar.destroy()\n    toolbar = null\n\n    anchors.destroy()\n    anchors = null\n\n    this.attr(Outline.DEFAULTS)\n\n    this.$emit('destroyed')\n\n    return this\n  }\n\n  onToggle() {\n    this.toggle()\n    return this\n  }\n\n  onScrollTop() {\n    this.toTop()\n    return this\n  }\n\n  onScrollBottom() {\n    this.toBottom()\n    return this\n  }\n\n  onEnterReading() {\n    this.switchReading()\n    return this\n  }\n\n  onExitReading(evt) {\n    const keyCode = evt.keyCode\n\n    if (keyCode === 27 && this.reading) {\n      this.switchReading()\n      stop(evt)\n    }\n\n    return this\n  }\n\n  onPrint() {\n    this.print()\n\n    return this\n  }\n\n  onToolbarUpdate({ top, min, max }) {\n    const toolbar = this.toolbar\n    const current = Math.ceil(top)\n\n    if (current <= min) {\n      toolbar.hide('up')\n      toolbar.show('down')\n    } else if (current >= max) {\n      toolbar.hide('down')\n      toolbar.show('up')\n    } else if (current > min && current < max) {\n      toolbar.show('up')\n      toolbar.show('down')\n    }\n\n    return this\n  }\n\n  addListeners() {\n    const hasToolbar = this.attr('hasToolbar')\n    const $print = document.querySelector('#outline-print')\n\n    if (hasToolbar) {\n      this.$on('toolbar:update', this.onToolbarUpdate)\n      this.$on('toolbar:action:up', this.onScrollTop)\n      this.$on('toolbar:action:toggle', this.onToggle)\n      this.$on('toolbar:action:reading', this.onEnterReading)\n      this.$on('toolbar:action:down', this.onScrollBottom)\n    }\n\n    if ($print) {\n      at(document, 'keyup', this.onExitReading, this, true)\n      on($print, '.outline-print__close', 'click', this.exitReading, this, true)\n      this.$on('toolbar:action:print', this.onPrint)\n    }\n\n    return this\n  }\n\n  removeListeners() {\n    const hasToolbar = this.attr('hasToolbar')\n    const $print = document.querySelector('#outline-print')\n\n    if (hasToolbar) {\n      this.$off('toolbar:update')\n      this.$off('toolbar:action:up')\n      this.$off('toolbar:action:toggle')\n      this.$off('toolbar:action:down')\n    }\n\n    if ($print) {\n      off(document, 'keyup', this.onExitReading)\n      off($print, 'click', this.exitReading)\n      this.$off('toolbar:action:print')\n    }\n\n    return this\n  }\n}\n\nOutline.DEFAULTS = {\n  articleElement: '#article',\n  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new file mode 100644
index 00000000..777c13c8
--- /dev/null
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${d.className}`:d.className=i,v(u,d),m=u.querySelector("svg"),v(m,{"aria-hidden":!0,xmlns:"http://www.w3.org/2000/svg",class:"outline-icon__svg",width:200,height:200,style:h}),u):null},_=(t,e=!0)=>{const s=((t,e={})=>S(t,e))(t.icon,{iconSet:t.iconSet||"outline",color:t.color||"",size:t.size}),i=z("a",{className:"outline-toolbar__anchor",href:t.link},s),n=z("div",{className:`outline-toolbar__button ${t.name}`},[t.link?i:s]);return x(s,"outline-toolbar__icon"),e&&x(n,"outline-toolbar_rounded"),t.disabled&&x(n,"outline-toolbar_disabled"),n},B="outline-toolbar_disabled",O="outline-toolbar_hidden";class H extends u{constructor(t){super(),this.attrs=p(H.DEFAULTS),this.$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?.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.$el,g(i,s)?M(i,s):x(i,s)),this}render(){const t=this.attr("mounted"),e=this.attr("buttons")||[],s=this.attr("rounded"),n=this.attr("placement"),o=[];return k(),e.forEach((t=>{const e=_(t,s);o.push(e),this.buttons.push({name:t.name,$el:e})})),this.$el=z("div",{id:"outline-toolbar",className:`outline-toolbar outline-toolbar_${n}`},o),document.body.appendChild(this.$el),this.closed&&this.hide(),this.disabled&&this.disable(),i(t)&&t.call(this),this}add(t){const e=this.$el,s=this.attr("buttons"),o=t.action,l=document.createDocumentFragment();let r;return n(t)?(s.push(t),l.appendChild(_(t))):b(t)&&t.forEach((t=>{l.appendChild(_(t))})),e.appendChild(l),o&&i(o.handler)&&(r=o.type||"click",C(e,`.${t.name}`,r,o.handler)),this}remove(t){const e=this.$el,s=this.attr("buttons"),i=s.find((e=>e.name===t));let n,o=-1;return i?(s.forEach(((e,s)=>{e.name===t&&(o=s)})),o>-1&&this.attr().buttons.splice(o,1),n=e.querySelector(`.${t}`),this.switch(t,!1),e.removeChild(n),this):this}switch(t,e){const s=this.$el,i=this.attr("buttons"),n=i.find((e=>e.name===t));let o,l,r,a;return n?(i.forEach((s=>{s.name===t&&(n.disabled=!e)})),o=n.action,a=s.querySelector(`.${t}`),o&&(l=o.type||"click",r=o.handler),e?(M(a,B),l&&r&&C(s,`.${t}`,l,r)):(x(a,B),l&&r&&A(s,l,r)),this):this}disable(t){const e=this.attr("afterDisabled");return t?this.switch(t,!1):(x(this.$el,B),this.removeListeners(),this.disabled=!0,i(e)&&e.call(this)),this}enable(t){const e=this.attr("afterEnabled");return t?this.switch(t,!0):(this.disabled=!1,M(this.$el,B),this.addListeners(),i(e)&&e.call(this)),this}show(t){const e=this.attr("afterOpened"),s=this.attr("buttons").find((e=>e.name===t)),n=this.$el;let o;if(t){if(!s)return this;o=n.querySelector(`.${t}`),M(o,O)}else M(n,O),this.closed=!1,i(e)&&m((()=>{e.call(this)}),310);return this}hide(t){const e=this.attr("afterClosed"),s=this.attr("buttons").find((e=>e.name===t)),n=this.$el;let o;if(t){if(!s)return this;o=n.querySelector(`.${t}`),x(o,O)}else x(n,O),this.closed=!0,i(e)&&m((()=>{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.$el;return i(t)&&t.call(this),this.removeListeners(),document.body.removeChild(s),s=null,this.attr(H.DEFAULTS),this.disabled=!1,this.closed=!1,this.buttons=[],i(e)&&e.call(this),this}refresh(){const t=this.$el,e=this.attr("buttons")||[];return this.removeListeners(),t.innerHTML="",e.forEach((t=>{this.$el.appendChild(_(t))})),this.addListeners(),this}addListeners(){const e=this.attr("buttons"),s=this.$el;return!e||e.length<1||e.forEach((e=>{const n=e.action;let o,l,r,a;if(this.disabled)return!1;n&&(l=n.handler,t(l)&&(a=l,n.handler=function(){this.$emit(a,e.name)},l=n.handler),o=n.type||"click",r=n.context),i(l)&&C(s,`.${e.name}`,o,l,r||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 n,o;if(this.disabled)return!1;s&&(o=s.handler,n=s.type||"click"),i(o)&&A(e,n,o)})),this}}return H.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},H}));
+//# sourceMappingURL=toolbar.min.js.map
diff --git a/docs/js/toolbar.min.js.map b/docs/js/toolbar.min.js.map
new file mode 100644
index 00000000..1fedd705
--- /dev/null
+++ b/docs/js/toolbar.min.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"toolbar.min.js","sources":["../../utils/types/isString.js","../../utils/lang/hasOwn.js","../../utils/lang/toString.js","../../utils/types/isFunction.js","../../utils/types/isObject.js","../../utils/observer/_subscribers.js","../../utils/observer/_hasDirectSubscribersFor.js","../../utils/observer/has.js","../../utils/observer/_hasSubscribers.js","../../utils/observer/emit.js","../../utils/types/isTypedArray.js","../../utils/lang/guid.js","../../utils/observer/_removeSubscriber.js","../../utils/observer/off.js","../../utils/observer/_removeSubscriberByToken.js","../../base.js","../../utils/lang/extend.js","../../utils/observer/on.js","../../utils/types/isArray.js","../../utils/lang/later.js","../../utils/lang/cloneDeep.js","../../utils/types/isElement.js","../../utils/types/isDOM.js","../../utils/types/isHTMLCollection.js","../../utils/types/isFragment.js","../../utils/types/isTextNode.js","../../utils/dom/setAttributes.js","../../utils/dom/setAttribute.js","../../utils/dom/createElement.js","../../utils/dom/hasClass.js","../../utils/dom/addClass.js","../../utils/dom/removeClass.js","../../utils/lang/trim.js","../../utils/dom/matches.js","../../utils/dom/getParentOrHost.js","../../utils/event/enum.js","../../utils/event/_off.js","../../utils/event/_delete.js","../../utils/event/purgeElement.js","../../utils/event/getListeners.js","../../utils/event/off.js","../../utils/event/on.js","../../utils/event/getTarget.js","../../utils/dom/resolveTextNode.js","../../utils/dom/closest.js","../../utils/icons/symbols.js","../../utils/icons/defaults.js","../../utils/icons/getSymbols.js","../../utils/icons/getSymbol.js","../../utils/icons/paint.js","../../utils/icons/add.js","../../utils/icons/createElement.js","../../utils/types/isSVG.js","../../_createButton.js","../../utils/icons/icon.js","../../toolbar.js"],"sourcesContent":["/**\n * 检测数据是否为 String 类型\n * ========================================================================\n * @method isArray\n * @param {*} str\n * @returns {boolean}\n */\nconst isString = (str) => {\n  return typeof str === 'string'\n}\n\nexport default isString\n","/**\n * 检测对象自身属性中是否具有指定的属性。\n * ========================================================================\n * @method hasOwn\n * @param {Object} obj - （必须）检测的目标对象\n * @param {String} prop - （必须）属性名\n * @returns {Boolean}\n */\nconst hasOwn = (obj, prop) => {\n  const hasOwnProperty = Object.prototype.hasOwnProperty\n  return obj && hasOwnProperty.call(obj, prop)\n}\n\nexport default hasOwn\n","/**\n * Object 对象原型上的 toString 方法\n * ========================================================================\n * @method toString\n * @param {*} val\n * @returns {string}\n */\nconst toString = (val) => {\n  return Object.prototype.toString.apply(val)\n}\n\nexport default toString\n","import toString from '../lang/toString'\n\n/**\n * 检测测试数据是否为 Function 类型\n * ========================================================================\n * @method isFunction\n * @param {*} val - （必须）待检测的数据\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\n */\nconst isFunction = (val) => {\n  return typeof val === 'function' || toString(val) === '[object Function]'\n}\n\nexport default isFunction\n","import toString from '../lang/toString'\nimport isFunction from './isFunction'\n\n/**\n * 检测数据是否为 Object 类型\n * ========================================================================\n * @method isObject\n * @param {*} o\n * @returns {boolean}\n */\nconst isObject = (o) => {\n  return (\n    (toString(o) === '[object Object]' ||\n      typeof o === 'object' ||\n      isFunction(o)) &&\n    o !== null\n  )\n}\n\nexport default isObject\n","/**\n * 存储订阅者（主题和处理器的）私有对象\n * ========================================================================\n * @type {{}}\n * @private\n */\nconst _subscribers = {}\n\nexport default _subscribers\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\n * ========================================================================\n * @method _hasDirectSubscribersFor\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasDirectSubscribersFor = (topic) => {\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\n}\n\nexport default _hasDirectSubscribersFor\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\nimport _hasSubscribers from './_hasSubscribers'\n\n/**\n * 判断是否存在包含 topic 指定的订阅者信息\n * ========================================================================\n * @method has\n * @param {String} topic - （必须）主题名称\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\n * @returns {Boolean}\n */\nconst has = (topic, isDirect = true) => {\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\n}\n\nexport default has\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * 判断是否存在包含给定 topic 相关的订阅者信息\n * ========================================================================\n * @method _hasSubscribers\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasSubscribers = (topic) => {\n  let found = _hasDirectSubscribersFor(topic)\n  let position = topic.lastIndexOf('.')\n\n  while (!found && position !== -1) {\n    topic = topic.substring(0, position)\n    position = topic.lastIndexOf('.')\n    found = _hasDirectSubscribersFor(topic)\n  }\n\n  return found\n}\n\nexport default _hasSubscribers\n","import isTypedArray from '../types/isTypedArray'\nimport _subscribers from './_subscribers'\nimport has from './has'\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * （异步）发布订阅主题信息\n * ========================================================================\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。\n * ========================================================================\n * @method emit\n * @param {String} topic - （必须）主题名称\n * @param {Object} [data] - （可选）数据对象\n * @param {Boolean} [async] - (可选) 是否异步发布\n */\nconst emit = (topic, data, async = true) => {\n  const execute = (topic) => {\n    if (!_hasDirectSubscribersFor(topic)) {\n      return false\n    }\n\n    _subscribers[topic].forEach((subscriber) => {\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\n      // 采用 toString() 方法转化为普通（JSON）字符串\n      const message = isTypedArray(data) ? data.toString() : data\n\n      subscriber.callback.call(subscriber.context || subscriber, message)\n    })\n  }\n  const deliver = () => {\n    let subscriber = topic\n    let position = topic.lastIndexOf('.')\n\n    while (position !== -1) {\n      subscriber = subscriber.substring(0, position)\n      position = subscriber.lastIndexOf('.')\n\n      execute(subscriber)\n    }\n\n    // 执行 topic 对应的处理器\n    execute(topic)\n    // 执行特殊 topic：'*'（监听全部消息的发布）\n    execute('*')\n  }\n\n  if (!has(topic)) {\n    return false\n  }\n\n  if (async) {\n    setTimeout(deliver, 10)\n  } else {\n    deliver()\n  }\n}\n\nexport default emit\n","import toString from '../lang/toString'\n/**\n * 判断检测数据是否为 Typed Arrays 类型的数据\n * ========================================================================\n * @param {*} val\n * @returns {boolean}\n */\nconst isTypedArray = (val) => {\n  const TYPES = [\n    '[object Int8Array]',\n    '[object Uint8Array]',\n    '[object Uint8ClampedArray]',\n    '[object Int16Array]',\n    '[object Uint16Array]',\n    '[object Int32Array]',\n    '[object Uint32Array]',\n    '[object Float32Array]',\n    '[object Float64Array]',\n    '[object BigInt64Array]',\n    '[object BigUint64Array]'\n  ]\n\n  return TYPES.indexOf(toString(val)) > -1\n}\n\nexport default isTypedArray\n","/**\n * 生成唯一 id 字符串的函数\n * ========================================================================\n * @method guid\n * @param {String} [prefix] - 生成 id 的前缀字符串\n * @return {String} 返回一个表示唯一 id 的字符串\n */\nconst guid = (() => {\n  let uuid = 0\n\n  return (prefix) => {\n    uuid += 1\n\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\n  }\n})()\n\nexport default guid\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 删除与给定 topic 相同的订阅者信息\n * ========================================================================\n * @method _removeSubscriber\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _removeSubscriber = (topic) => {\n  if (!hasOwn(_subscribers, topic)) {\n    return false\n  }\n\n  delete _subscribers[topic]\n}\n\nexport default _removeSubscriber\n","import has from './has'\nimport _removeSubscriber from './_removeSubscriber'\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\n\n/**\n * 取消订阅主题\n * ========================================================================\n * @method off\n * @param {String} topic - （必须）订阅的主题\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\n */\nconst off = (topic, token) => {\n  if (!has(topic)) {\n    return false\n  }\n\n  if (token) {\n    _removeSubscriberByToken(token)\n  } else {\n    _removeSubscriber(topic)\n  }\n}\n\nexport default off\n","import _subscribers from './_subscribers'\nimport _removeSubscriber from './_removeSubscriber'\n\n/**\n * 通过订阅者 token 值删除订阅者信息\n * ========================================================================\n * @method _removeSubscriberByToken\n * @param {String} token - 订阅者 token 字符串\n * @returns {boolean}\n * @private\n */\nconst _removeSubscriberByToken = (token) => {\n  const keys = Object.keys(_subscribers)\n  let index = -1\n\n  if (!token || keys.length < 1) {\n    return false\n  }\n\n  keys.forEach((subject) => {\n    const subscriber = _subscribers[subject]\n    let topic\n\n    subscriber.forEach((execution, j) => {\n      if (execution.callback === token || execution.token === token) {\n        topic = execution.topic\n        subscriber.splice(index, j)\n      }\n    })\n\n    /* istanbul ignore else */\n    if (subscriber.length < 1) {\n      _removeSubscriber(topic)\n    }\n  })\n}\n\nexport default _removeSubscriberByToken\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\nimport publish from './utils/observer/emit'\r\nimport subscribe from './utils/observer/on'\r\nimport unsubscribe from './utils/observer/off'\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  $emit(event, data) {\r\n    publish(event, data)\r\n    return this\r\n  }\r\n\r\n  $on(event, callback) {\r\n    subscribe(event, callback, this)\r\n    return this\r\n  }\r\n\r\n  $off(event, callback) {\r\n    unsubscribe(event, callback)\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'\n\n/**\n * 扩展对象\n * ========================================================================\n * @method extend\n * @param {Object} origin\n * @param {Object} source\n */\nconst extend = (origin, source) => {\n  const keys = Object.keys(source)\n\n  keys.forEach((prop) => {\n    if (hasOwn(source, prop)) {\n      origin[prop] = source[prop]\n    }\n  })\n}\n\nexport default extend\n","import _subscribers from './_subscribers'\nimport isFunction from '../types/isFunction'\nimport guid from '../lang/guid'\n\n/**\n * 订阅主题，并给出处理器函数\n * ========================================================================\n * @method on\n * @param {String} topic - （必须）主题名称\n * @param {Function} handler - （必须）主题的处理器函数\n * @param {Object} [context] - （可选）指定 this 执行上下文\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\n */\nconst on = (topic, handler, context = null) => {\n  const token = guid()\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\n\n  if (!isFunction(handler)) {\n    return ''\n  }\n\n  /* istanbul ignore else */\n  if (!_subscribers[subject]) {\n    _subscribers[subject] = []\n  }\n\n  _subscribers[subject].push({\n    topic: subject,\n    callback: handler,\n    context,\n    token\n  })\n\n  return token\n}\n\nexport default on\n","import toString from '../lang/toString'\n\n/**\n * 检测数据是否为 Array 类型\n * ========================================================================\n * @method isArray\n * @param {*} o\n * @returns {boolean}\n */\nconst isArray = (o) => {\n  if (Array.isArray) {\n    return Array.isArray(o)\n  } else {\n    return toString(o) === '[object Array]'\n  }\n}\n\nexport default isArray\n","import isFunction from '../types/isFunction'\n\n/**\n * later - 延迟执行方法\n * ========================================================================\n * @method later\n * @param {Function} fn\n * @param {Number} [delay]\n * @returns {number|boolean}\n */\nconst later = (fn, delay = 300) => {\n  if (!isFunction(fn)) {\n    return false\n  }\n\n  return setTimeout(() => {\n    fn()\n  }, delay)\n}\n\nexport default later\n","import isObject from '../types/isObject'\r\nimport isArray from '../types/isArray'\r\n\r\n/**\r\n * 深拷贝对象函数\r\n * ========================================================================\r\n * @methods cloneDeep\r\n * @param {Object} obj - 深拷贝的对象\r\n * @returns {Array|Object|*}\r\n *\r\n * @example\r\n * const arr = cloneDeep([2,3,4,6])\r\n * => [2,3,4,6]\r\n */\r\nconst cloneDeep = (obj) => {\r\n  let clone = {}\r\n\r\n  if (obj === null) {\r\n    return null\r\n  }\r\n\r\n  if (isArray(obj)) {\r\n    clone = Array.from(obj)\r\n  } else {\r\n    clone = Object.assign({}, obj)\r\n    Object.keys(clone).forEach((key) => {\r\n      return (clone[key] = isObject(obj[key]) ? cloneDeep(obj[key]) : obj[key])\r\n    })\r\n  }\r\n\r\n  return clone\r\n}\r\n\r\nexport default cloneDeep\r\n","import isObject from './isObject'\n\n/**\n * 检测数据是否为 HTMLElement DOM 节点\n * ========================================================================\n * @method isElement\n * @param {*} o\n * @returns {boolean}\n */\nconst isElement = (o) => {\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\n}\n\nexport default isElement\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'\nimport isObject from './isObject'\n\nconst isFragment = (fragment) => {\n  return !!(\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\n  )\n}\n\nexport default isFragment\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 isObject from '../types/isObject'\nimport hasOwn from '../lang/hasOwn'\nimport setAttribute from './setAttribute'\n\nconst setAttributes = (el, attrs) => {\n  if (!el || !isObject(attrs)) {\n    return false\n  }\n\n  Object.keys(attrs).forEach((attr) => {\n    const value = attrs[attr]\n    if (hasOwn(attrs, attr)) {\n      setAttribute(el, attr, value)\n    }\n  })\n}\n\nexport default setAttributes\n","/**\n * 给 DOM 节点设置属性/值\n * ========================================================================\n * @method setAttribute\n * @param {HTMLElement} el - DOM 节点\n * @param {String} attr - 属性名称\n * @param {String|Number|Boolean} value - 属性值\n */\nconst setAttribute = (el, attr, value) => {\n  let tagName = el.tagName.toLowerCase()\n\n  switch (attr) {\n    case 'style':\n      el.style.cssText = value\n      break\n    case 'value':\n      if (tagName === 'input' || tagName === 'textarea') {\n        el.value = value\n      } else {\n        el.setAttribute(attr, value)\n      }\n      break\n    case 'htmlFor':\n      el.setAttribute('for', value)\n      break\n    case 'className':\n      el.className = value\n      break\n    case 'innerHTML':\n      el.innerHTML = value\n      break\n    case 'innerText':\n      el.innerText = value\n      break\n    default:\n      el.setAttribute(attr, value)\n      break\n  }\n}\n\nexport default setAttribute\n","import isObject from '../types/isObject'\nimport isString from '../types/isString'\nimport isArray from '../types/isArray'\nimport isDOM from '../types/isDOM'\nimport setAttributes from './setAttributes'\n\n/**\n * 创建 DOM 节点，并添加属性和子节点\n * ========================================================================\n * @method createElement\n * @param {String} tagName - 标签名称\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\n * @returns {HTMLElement}\n */\nconst createElement = (tagName, attrs, children) => {\n  const $fragment = document.createDocumentFragment()\n  const $el = document.createElement(tagName)\n  const isValidChild = (child) => {\n    return isDOM(child) || isString(child)\n  }\n  const append = (child) => {\n    let $child\n\n    if (!isValidChild(child)) {\n      return false\n    }\n\n    if (isDOM(child)) {\n      $child = child\n    } else if (isString(child)) {\n      $child = document.createTextNode(child)\n    }\n\n    $fragment.appendChild($child)\n  }\n\n  if (isObject(attrs)) {\n    setAttributes($el, attrs)\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\n    attrs.forEach((child) => {\n      append(child)\n    })\n  } else if (isDOM(attrs)) {\n    append(attrs)\n  } else if (isString(attrs)) {\n    append(document.createTextNode(attrs))\n  }\n\n  if (isArray(children)) {\n    children.forEach((child) => {\n      append(child)\n    })\n  } else {\n    append(children)\n  }\n\n  $el.appendChild($fragment)\n\n  return $el\n}\n\nexport default createElement\n","import isElement from '../types/isElement'\n/**\n * 检测 DOM 节点是否包含名为 className 的样式\n * ========================================================================\n * @method hasClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst hasClass = (el, className) => {\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\n  let allClass\n  let classList\n\n  if (!isElement(el)) {\n    return false\n  }\n\n  allClass = el.className\n\n  if (!allClass) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.contains) {\n    return el.classList.contains(className)\n  }\n\n  return !!pattern.exec(allClass)\n}\n\nexport default hasClass\n","import hasClass from './hasClass'\n\n/**\n * 给 DOM 节点添加名为 className 的样式\n * ========================================================================\n * @method addClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst addClass = (el, className) => {\n  let classList\n  let allClass\n\n  if (hasClass(el, className)) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.add) {\n    classList.add(className)\n  } else {\n    allClass = el.className\n    allClass += allClass.length > 0 ? ' ' + className : className\n    el.className = allClass\n  }\n}\n\nexport default addClass\n","import trim from '../lang/trim'\nimport hasClass from './hasClass'\n\n/**\n * 移除 DOM 节点的 className 样式\n * ========================================================================\n * @method removeClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst removeClass = (el, className) => {\n  let allClass = el.className\n  let classList\n\n  if (!allClass || !hasClass(el, className)) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.remove) {\n    classList.remove(className)\n  } else {\n    allClass = trim(allClass.replace(className, ''))\n    el.className = allClass\n  }\n}\n\nexport default removeClass\n","import isString from '../types/isString'\n\n/**\n * 清楚字符串起始位置所有的空格\n * ========================================================================\n * @method trim\n * @param {string} str\n * @returns {string|Boolean}\n */\nconst trim = (str) => {\n  if (!isString(str)) {\n    return false\n  }\n  return str.replace(/(^\\s+)|(\\s+$)/g, '')\n}\n\nexport default trim\n","/**\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\n * ========================================================================\n * Element.matches() 方法可以用来判断 DOM 元素是否与给定的选择器匹配，事件代理判断是\n * 否触发绑定的代理事件回调函数，关键就是使用 Element.matches() 辨别当前事件触发的目\n * 标 DOM 元素是否为事件代理所期望触发的目标。\n * ========================================================================\n * @method matches\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\n * @returns {Boolean}\n */\nconst matches = (el, selector = '') => {\n  const sel = selector.replace(/^>/i, '')\n\n  if (!selector || !sel || !el) {\n    return false\n  }\n\n  /* istanbul ignore else */\n  if (el.matches) {\n    return el.matches(sel)\n  } else if (el.msMatchesSelector) {\n    return el.msMatchesSelector(sel)\n  } else {\n    return false\n  }\n}\n\nexport default matches\n","/**\n * 获取 DOM 元素的父节点\n * ========================================================================\n * @method getParentOrHost\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\n * @returns {*|HTMLElement}\n */\nconst getParentOrHost = (el) => {\n  return el.host && el !== document && el.host.nodeType\n    ? el.host\n    : el.parentNode\n}\n\nexport default getParentOrHost\n","export const CAPTURE_EVENTS = [\n  'focusout',\n  'blur',\n  'focusin',\n  'focus',\n  'load',\n  'unload',\n  'mouseenter',\n  'mouseleave'\n]\n","import { CAPTURE_EVENTS } from './enum'\nimport _delete from './_delete'\n\n/**\n * （私有方法）取消 type 类型的代理事件绑定\n * ========================================================================\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\n * ========================================================================\n * @method _off\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} fn - （必须）事件处理器回调函数\n * @private\n */\nconst _off = (el, type, fn) => {\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n  /* istanbul ignore else */\n  if (fn._delegateListener) {\n    fn = fn._delegateListener\n    delete fn._delegateListener\n  }\n\n  // 移除缓存的 _listeners 数据\n  _delete(el, type, fn)\n\n  el.removeEventListener(type, fn, capture)\n}\n\nexport default _off\n","/**\n * 删除 DOM 元素缓存的 _listeners 数据\n * ========================================================================\n * @method _delete\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\n * @param {String} type - 事件类型（名称）\n * @param {Function} [fn] - 事件处理器回调函数\n */\nconst _delete = function (el, type, fn) {\n  const listeners = el._listeners\n  let index = -1\n\n  if (listeners.length < 1) {\n    return false\n  }\n\n  // 移除缓存的 _listeners 数据\n  listeners.forEach((listener, i) => {\n    const handler = listener.fn\n\n    if (type === listener.type) {\n      index = i\n\n      if (handler === fn) {\n        index = i\n      }\n    }\n  })\n\n  /* istanbul ignore else */\n  if (index > -1) {\n    listeners.splice(index, 1)\n  }\n}\n\nexport default _delete\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\nimport getListeners from './getListeners'\nimport _off from './_off'\n\n/**\n * 销毁（type 类型的）代理事件绑定\n * ========================================================================\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\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\n * ========================================================================\n * @method purgeElement\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\n * @param {String|Boolean} type - （必须）事件类型\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\n */\nconst purgeElement = function (el, type, recurse = false) {\n  const $element = isString(el) ? document.querySelector(el) : el\n  const $children = $element.childNodes\n  const listeners = getListeners($element, type)\n\n  listeners.forEach((listener) => {\n    _off($element, listener.type, listener.fn)\n  })\n\n  if (\n    (recurse || type === true || arguments.length === 1) &&\n    $element &&\n    $children\n  ) {\n    $children.forEach(($child) => {\n      if (isElement($child)) {\n        purgeElement($child, type, recurse)\n      }\n    })\n  }\n}\n\nexport default purgeElement\n","import isString from '../types/isString'\n\n/**\n * 获取 DOM 元素（type 事件类型）事件绑定信息\n * ========================================================================\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\n * ========================================================================\n * @methods getListeners\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\n * @param {String} [type] - （可选）事件类型\n * @returns {Array} - 已绑定的事件信息\n */\nconst getListeners = (el, type) => {\n  let listeners = el._listeners || []\n\n  if (isString(type) && type) {\n    listeners = listeners.filter((listener) => {\n      return listener.type === type\n    })\n  }\n\n  return listeners\n}\n\nexport default getListeners\n","import purgeElement from './purgeElement'\nimport isFunction from '../types/isFunction'\nimport _off from './_off'\n\n/**\n * 取消 type 类型的代理事件绑定\n * ========================================================================\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\n * ========================================================================\n * @method off\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} [fn] - （可选）事件处理器回调函数\n */\nconst off = (el, type, fn) => {\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\n  if (!isFunction(fn)) {\n    return purgeElement(el, type)\n  }\n\n  _off(el, type, fn)\n}\n\nexport default off\n","import closest from '../dom/closest'\nimport off from './off'\nimport getTarget from './getTarget'\n\nimport { CAPTURE_EVENTS } from './enum'\n\n/**\n * 绑定代理事件\n * ========================================================================\n * @method on\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\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\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，\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\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\n * @param {Boolean} once - （可选）是否仅触发一次\n */\nconst on = (el, selector, type, fn, data, context, once = false) => {\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n  const listener = function (evt) {\n    const target = getTarget(evt)\n    // 通过 Element.matches 方法获得点击的目标元素\n    const delegateTarget = closest(target, selector, el)\n    let overrideContext = context || el\n\n    evt.delegateTarget = delegateTarget\n\n    // 当设置为 true 时，则事件处理器回调函数的\n    // this 上下文指向为 data 对象\n    if (context === true) {\n      overrideContext = data\n    }\n\n    /* istanbul ignore else */\n    if (delegateTarget) {\n      // 仅触发一次\n      /* istanbul ignore else */\n      if (once === true) {\n        off(el, type, listener)\n      }\n\n      fn.call(overrideContext, evt, data)\n    }\n  }\n\n  if (!el._listeners) {\n    el._listeners = []\n  }\n\n  // 缓存 options 元素绑定的事件处理器\n  el._listeners.push({\n    el,\n    selector,\n    type,\n    fn: listener,\n    data,\n    context,\n    capture\n  })\n\n  // 缓存包装后的事件处理器\n  fn._delegateListener = listener\n\n  el.addEventListener(type, listener, capture)\n}\n\nexport default on\n","import resolveTextNode from '../dom/resolveTextNode'\n\n/**\n * 返回触发事件的 target DOM 元素\n * ========================================================================\n * @method getTarget\n * @param {Event} evt - Event 对象\n * @return {HTMLElement} - Event 对象的 target DOM 元素\n */\nconst getTarget = function (evt) {\n  const target = evt.target\n\n  return resolveTextNode(target)\n}\n\nexport default getTarget\n","/**\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。\n * resolveTextNode() 方法则会返回实际的目标节点。\n * ========================================================================\n * @method resolveTextNode\n * @param {HTMLElement|Text} el - 要解析的节点\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\n */\nconst resolveTextNode = function (el) {\n  if (el && el.nodeType === 3) {\n    return el.parentNode\n  }\n\n  return el\n}\n\nexport default resolveTextNode\n","import matches from './matches'\nimport getParentOrHost from './getParentOrHost'\n\n/**\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\n * ========================================================================\n * @method closest\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）DOM 元素的选择其\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\n */\nconst closest = (el, selector, ctx, includeCTX) => {\n  const context = ctx || document\n\n  if (!el) {\n    return null\n  }\n\n  do {\n    /* istanbul ignore else */\n    if (\n      (selector != null &&\n        (selector.startsWith('>')\n          ? el.parentNode === context && matches(el, selector)\n          : matches(el, selector))) ||\n      (includeCTX && el === context)\n    ) {\n      return el\n    }\n\n    /* istanbul ignore else */\n    if (el === context) {\n      break\n    }\n\n    /* jshint boss:true */\n  } while ((el = getParentOrHost(el)))\n}\n\nexport default closest\n","import DEFAULTS from './defaults'\n\nconst SYMBOLS = [...DEFAULTS]\n\nexport default SYMBOLS\n","const DEFAULTS = [\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  ''\n]\n\nexport default DEFAULTS\n","import isString from '../types/isString'\nimport getSymbol from './getSymbol'\nimport SYMBOLS from './symbols'\n\n/**\n *\n * @method getSymbols\n * @param {String} [name]\n * @param {String} [iconSet]\n * @returns {string[]|*}\n */\nconst getSymbols = (name, iconSet = 'icon') => {\n  if (isString(name)) {\n    return getSymbol(name, iconSet)\n  }\n\n  return [...SYMBOLS]\n}\n\nexport default getSymbols\n","import SYMBOLS from './symbols'\n\n/**\n * @method getSymbol\n * @param {String} name\n * @param {String} [iconSet]\n * @returns {String}\n */\nconst getSymbol = (name, iconSet = 'icon') => {\n  const patternName = /id=\"(.*?)\"/\n  const patternSet = /^(\\w+)-/\n  const symbols = SYMBOLS\n\n  return symbols.find((symbol) => {\n    const names = patternName.exec(symbol)\n    const fullName = names[1]\n    const sets = patternSet.exec(fullName)\n    const setName = sets[1]\n    const iconName =\n      iconSet === 'icon' ? `${iconSet}-${name}` : `${iconSet}-icon-${name}`\n\n    return setName === iconSet && fullName === iconName\n  })\n}\n\nexport default getSymbol\n","import add from './add'\nimport getSymbols from './getSymbols'\n\n/**\n * 绘制 SVG 图标集\n * ========================================================================\n * @method paint\n * @param {String|Array} symbol\n */\nconst paint = (symbol = '') => {\n  const $body = document.body\n  let $icons = document.querySelector('#outline-icons')\n  let symbols = []\n\n  add(symbol)\n  symbols = getSymbols()\n\n  if ($icons) {\n    $icons.innerHTML = symbols.join('')\n  } else {\n    $icons = document.createElement('div')\n    $icons.innerHTML =\n      ``\n    $body.insertBefore($icons.firstChild, $body.firstChild)\n  }\n}\n\nexport default paint\n","import isArray from '../types/isArray'\nimport isString from '../types/isString'\nimport SYMBOLS from './symbols'\n\n/**\n * @method add\n * @param {Array|String} symbols\n * @return {Boolean}\n */\nconst add = (symbols) => {\n  if (!symbols) {\n    return false\n  }\n\n  if (isArray(symbols) && symbols.length > 0) {\n    symbols.forEach((symbol) => {\n      /* istanbul ignore else */\n      if (SYMBOLS.indexOf(symbol) === -1 && isString(symbol)) {\n        SYMBOLS.push(symbol)\n      }\n    })\n  } else {\n    /* istanbul ignore else */\n    if (isString(symbols)) {\n      SYMBOLS.push(symbols)\n    }\n  }\n}\n\nexport default add\n","import isArray from '../types/isArray'\nimport isString from '../types/isString'\nimport isSVG from '../types/isSVG'\nimport setAttributes from '../dom/setAttributes'\n\n/**\n * 创建 SVG 图标 DOM 元素\n * ========================================================================\n * @method createElement\n * @param {String} name\n * @param {Object} [options]\n * @param {Number|Array} [options.size]\n * @param {String} [options.color]\n * @param {String} [options.iconSet]\n * @param {Object} [options.attrs]\n * @returns {HTMLElement}\n */\nconst createElement = (name, options = {}) => {\n  const ICON = 'outline-icon'\n  const size = options.size || 0\n  const color = options.color || ''\n  const iconSet = options.iconSet || ''\n  const width = isArray(size) ? size[0] : size\n  const height = isArray(size) ? size[1] : size\n  const defaultRules = size ? `width:${width}px;height:${height}px;` : ''\n  const cssRules = color ? defaultRules + `color:${color}` : defaultRules\n  const attrs = options.attrs || {}\n  const $icon = document.createElement('i')\n  let binds = ''\n  let svg = ''\n  let $svg\n\n  if (!isString(name)) {\n    return null\n  }\n\n  if (isSVG(name)) {\n    svg = name\n  } else {\n    binds =\n      iconSet && iconSet !== 'icon'\n        ? `xlink:href=\"#${iconSet}-icon-${name}\"`\n        : `xlink:href=\"#icon-${name}\"`\n    svg = ``\n  }\n\n  $icon.innerHTML = svg\n\n  if (attrs.className) {\n    attrs.className = `${ICON} ${attrs.className}`\n  } else {\n    attrs.className = ICON\n  }\n\n  setAttributes($icon, attrs)\n\n  $svg = $icon.querySelector('svg')\n  setAttributes($svg, {\n    'aria-hidden': true,\n    xmlns: 'http://www.w3.org/2000/svg',\n    class: 'outline-icon__svg',\n    width: 200,\n    height: 200,\n    style: cssRules\n  })\n\n  return $icon\n}\n\nexport default createElement\n","import isString from './isString'\n\nconst isSVG = (str) => {\n  const declaration = '(?:<\\\\?xml[^>]*>\\\\s*)?'\n  const doctype =\n    '(?:<\\\\!doctype svg[^>]*\\\\s*(?:\\\\[?(?:\\\\s*]*>\\\\s*)*\\\\]?)*[^>]*>\\\\s*)?'\n  const content = ']*>[^]*<\\\\/svg>\\\\s*$'\n  const svg = `^\\\\s*${declaration}${doctype}${content}\\\\s*$`\n  const pattern = new RegExp(svg, 'i')\n\n  return isString(str) && pattern.test(str)\n}\n\nexport default isSVG\n","import icon from './utils/icons/icon'\nimport createElement from './utils/dom/createElement'\nimport addClass from './utils/dom/addClass'\n\nconst _createButton = (button, rounded = true) => {\n  const $icon = icon(button.icon, {\n    iconSet: button.iconSet || 'outline',\n    color: button.color || '',\n    size: button.size\n  })\n  const $anchor = createElement(\n    'a',\n    {\n      className: `outline-toolbar__anchor`,\n      href: button.link\n    },\n    $icon\n  )\n  const $button = createElement(\n    'div',\n    {\n      className: `outline-toolbar__button ${button.name}`\n    },\n    [button.link ? $anchor : $icon]\n  )\n\n  addClass($icon, 'outline-toolbar__icon')\n\n  if (rounded) {\n    addClass($button, 'outline-toolbar_rounded')\n  }\n\n  if (button.disabled) {\n    addClass($button, 'outline-toolbar_disabled')\n  }\n\n  return $button\n}\n\nexport default _createButton\n","import createElement from './createElement'\n\n/**\n * 创建 SVG 图标 DOM 元素\n * ========================================================================\n * @method icon\n * @alias createElement\n * @see createElement\n * @param {String} name\n * @param {Object} [options]\n * @param {Number|Array} [options.size]\n * @param {String} [options.color]\n * @param {String} [options.iconSet]\n * @returns {HTMLElement}\n */\nconst icon = (name, options = {}) => {\n  return createElement(name, options)\n}\n\nexport default icon\n","import Base from './base'\n\nimport isString from './utils/types/isString'\nimport isFunction from './utils/types/isFunction'\nimport isObject from './utils/types/isObject'\nimport isArray from './utils/types/isArray'\nimport later from './utils/lang/later'\nimport cloneDeep from './utils/lang/cloneDeep'\nimport createElement from './utils/dom/createElement'\nimport addClass from './utils/dom/addClass'\nimport hasClass from './utils/dom/hasClass'\nimport removeClass from './utils/dom/removeClass'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport paint from './utils/icons/paint'\n\nimport _createButton from './_createButton'\n\nconst DISABLED = 'outline-toolbar_disabled'\nconst HIDDEN = 'outline-toolbar_hidden'\n\nclass Toolbar extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Toolbar.DEFAULTS)\n    this.$el = null\n    this.disabled = false\n    this.closed = false\n    this.buttons = []\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    let created\n\n    this.attr(options)\n    created = this.attr('created')\n    this.disabled = this.attr('disabled')\n    this.closed = this.attr('closed')\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    this.render().addListeners()\n\n    return this\n  }\n\n  isDisabled(name) {\n    const buttons = this.attr('buttons')\n    let button\n\n    if (name) {\n      button = buttons.find((option) => option.name === name)\n\n      return button?.disabled\n    }\n\n    return this.disabled\n  }\n\n  isClosed() {\n    return this.closed\n  }\n\n  highlight(name) {\n    const button = this.buttons.find((item) => item.name === name)\n    const ACTIVE = 'outline-toolbar_active'\n    let $button\n\n    if ($button) {\n      return this\n    }\n\n    $button = button.$el\n\n    if (hasClass($button, ACTIVE)) {\n      removeClass($button, ACTIVE)\n    } else {\n      addClass($button, ACTIVE)\n    }\n\n    return this\n  }\n\n  render() {\n    const mounted = this.attr('mounted')\n    const buttons = this.attr('buttons') || []\n    const rounded = this.attr('rounded')\n    const placement = this.attr('placement')\n    const $buttons = []\n\n    paint()\n\n    buttons.forEach((button) => {\n      const $button = _createButton(button, rounded)\n\n      $buttons.push($button)\n      this.buttons.push({\n        name: button.name,\n        $el: $button\n      })\n    })\n\n    this.$el = createElement(\n      'div',\n      {\n        id: 'outline-toolbar',\n        className: `outline-toolbar outline-toolbar_${placement}`\n      },\n      $buttons\n    )\n    document.body.appendChild(this.$el)\n\n    if (this.closed) {\n      this.hide()\n    }\n\n    if (this.disabled) {\n      this.disable()\n    }\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    return this\n  }\n\n  add(button) {\n    const $el = this.$el\n    const buttons = this.attr('buttons')\n    const action = button.action\n    const $fragment = document.createDocumentFragment()\n    let type\n\n    if (isObject(button)) {\n      buttons.push(button)\n      $fragment.appendChild(_createButton(button))\n    } else if (isArray(button)) {\n      button.forEach((item) => {\n        $fragment.appendChild(_createButton(item))\n      })\n    }\n    $el.appendChild($fragment)\n\n    if (action && isFunction(action.handler)) {\n      type = action.type || 'click'\n      on($el, `.${button.name}`, type, action.handler)\n    }\n\n    return this\n  }\n\n  remove(name) {\n    const $el = this.$el\n    const buttons = this.attr('buttons')\n    const button = buttons.find((option) => option.name === name)\n    let index = -1\n    let $button\n\n    if (!button) {\n      return this\n    }\n\n    buttons.forEach((button, i) => {\n      if (button.name === name) {\n        index = i\n      }\n    })\n\n    if (index > -1) {\n      this.attr().buttons.splice(index, 1)\n    }\n\n    $button = $el.querySelector(`.${name}`)\n    this.switch(name, false)\n    $el.removeChild($button)\n\n    return this\n  }\n\n  switch(name, enabled) {\n    const $el = this.$el\n    const buttons = this.attr('buttons')\n    const button = buttons.find((option) => option.name === name)\n    let action\n    let type\n    let listener\n    let $button\n\n    if (!button) {\n      return this\n    }\n\n    buttons.forEach((option) => {\n      if (option.name === name) {\n        button.disabled = !enabled\n      }\n    })\n\n    action = button.action\n    $button = $el.querySelector(`.${name}`)\n\n    if (action) {\n      type = action.type || 'click'\n      listener = action.handler\n    }\n\n    if (enabled) {\n      removeClass($button, DISABLED)\n\n      if (type && listener) {\n        on($el, `.${name}`, type, listener)\n      }\n    } else {\n      addClass($button, DISABLED)\n\n      if (type && listener) {\n        off($el, type, listener)\n      }\n    }\n\n    return this\n  }\n\n  disable(name) {\n    const disabled = this.attr('afterDisabled')\n\n    if (name) {\n      this.switch(name, false)\n    } else {\n      addClass(this.$el, DISABLED)\n      this.removeListeners()\n      this.disabled = true\n\n      if (isFunction(disabled)) {\n        disabled.call(this)\n      }\n    }\n\n    return this\n  }\n\n  enable(name) {\n    const enabled = this.attr('afterEnabled')\n\n    if (name) {\n      this.switch(name, true)\n    } else {\n      this.disabled = false\n      removeClass(this.$el, DISABLED)\n      this.addListeners()\n\n      if (isFunction(enabled)) {\n        enabled.call(this)\n      }\n    }\n\n    return this\n  }\n\n  show(name) {\n    const opened = this.attr('afterOpened')\n    const button = this.attr('buttons').find((option) => option.name === name)\n    const $el = this.$el\n    let $button\n\n    if (name) {\n      if (!button) {\n        return this\n      }\n\n      $button = $el.querySelector(`.${name}`)\n      removeClass($button, HIDDEN)\n    } else {\n      removeClass($el, HIDDEN)\n      this.closed = false\n\n      if (isFunction(opened)) {\n        later(() => {\n          opened.call(this)\n        }, 310)\n      }\n    }\n\n    return this\n  }\n\n  hide(name) {\n    const closed = this.attr('afterClosed')\n    const button = this.attr('buttons').find((option) => option.name === name)\n    const $el = this.$el\n    let $button\n\n    if (name) {\n      if (!button) {\n        return this\n      }\n      $button = $el.querySelector(`.${name}`)\n      addClass($button, HIDDEN)\n    } else {\n      addClass($el, HIDDEN)\n      this.closed = true\n\n      if (isFunction(closed)) {\n        later(() => {\n          closed.call(this)\n        }, 310)\n      }\n    }\n\n    return this\n  }\n\n  toggle() {\n    if (this.isClosed()) {\n      this.show()\n    } else {\n      this.hide()\n    }\n\n    return this\n  }\n\n  destroy() {\n    const beforeDestroy = this.attr('beforeDestroy')\n    const afterDestroy = this.attr('afterDestroy')\n    let $el = this.$el\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n    document.body.removeChild($el)\n    $el = null\n\n    this.attr(Toolbar.DEFAULTS)\n    this.disabled = false\n    this.closed = false\n    this.buttons = []\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    return this\n  }\n\n  refresh() {\n    const $el = this.$el\n    const buttons = this.attr('buttons') || []\n\n    this.removeListeners()\n    $el.innerHTML = ''\n\n    buttons.forEach((button) => {\n      this.$el.appendChild(_createButton(button))\n    })\n\n    this.addListeners()\n\n    return this\n  }\n\n  addListeners() {\n    const buttons = this.attr('buttons')\n    const $el = this.$el\n\n    if (!buttons || buttons.length < 1) {\n      return this\n    }\n\n    buttons.forEach((button) => {\n      const action = button.action\n      const disabled = this.disabled\n      let type\n      let listener\n      let context\n      let command\n\n      if (disabled) {\n        return false\n      }\n\n      if (action) {\n        listener = action.handler\n        if (isString(listener)) {\n          command = listener\n          action.handler = function () {\n            this.$emit(command, button.name)\n          }\n          listener = action.handler\n        }\n\n        type = action.type || 'click'\n        context = action.context\n      }\n\n      if (isFunction(listener)) {\n        on($el, `.${button.name}`, type, listener, context || this, true)\n      }\n    })\n\n    return this\n  }\n\n  removeListeners() {\n    const buttons = this.attr('buttons')\n    const $el = this.$el\n\n    if (!buttons || buttons.length < 1) {\n      return this\n    }\n\n    buttons.forEach((button) => {\n      const action = button.action\n      const disabled = this.disabled\n      let type\n      let listener\n\n      if (disabled) {\n        return false\n      }\n\n      if (action) {\n        listener = action.handler\n        type = action.type || 'click'\n      }\n\n      if (isFunction(listener)) {\n        off($el, type, listener)\n      }\n    })\n\n    return this\n  }\n}\n\nToolbar.DEFAULTS = {\n  placement: 'ltr',\n  closed: false,\n  disabled: false,\n  rounded: true,\n  buttons: [],\n  created: null,\n  mounted: null,\n  afterClosed: null,\n  afterOpened: null,\n  afterDisabled: null,\n  afterEnabled: null,\n  beforeDestroy: null,\n  afterDestroy: null\n}\n\nexport default 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\ No newline at end of file
diff --git a/docs/relative.html b/docs/relative.html
index 9814f492..c457e393 100644
--- a/docs/relative.html
+++ b/docs/relative.html
@@ -61,6 +61,12 @@
 // Customize Selector
 const outline = new Outline({
   articleElement: $('#main')
+})

selector

Description

Type：
String
Default：
'h1,h2,h3,h4,h5,h6'

可选，用来指定 article 节点下，要生成导航的标题标签的选择器。

// Default selector
+new Outline(Outline.DEFAULTS)
+
+// Customize selector
+new Outline({
+  selector: 'h2'
 })

title

Description

Type：
String|Boolean
Default：
'目录'

可选，用来指定文章导读导航菜单的标题文字。设置空字符串或者 false，则不显示标题。在插入导航菜单的 DOM 元素已有标题时，可以设置 title: '' 或者 false。

说明：本 API 文档的导航菜单便是使用 outline.js 生成，并且没有设置 title。

(function(){
   const defaults = Outline.DEFAULTS
   let outline
@@ -113,7 +119,7 @@
 // 设置 stickyHeight（outline.js 的示例页面的主标题元素的高度）
 defaults.stickyHeight = 86
 // 默认生成独立的侧滑弹窗导航菜单
-new Outline(defaults)
showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
+new Outline(defaults)

showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

hasToolbar

Description

Type：
Boolean
Default：
true

可选，是否显示侧边的按钮工具栏：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
 new Outline()
 
 // Customize URL - 直接打开链接了
@@ -774,6 +780,8 @@
   stickyHeight: 0,
   // 是否显示标题编号
   showCode: true,
+  // 是否显示侧边的按钮工具栏
+  hasToolbar: true,
   // 指定是否采用动画定位高亮当前的章节标题，默认值：true
   // 当值为 false 时，则采用高亮当前章节标题的链接文字并加粗文字
   // 如果喜欢更简洁的高亮效果，可以选择设置为 false
diff --git a/docs/sticky.html b/docs/sticky.html
index 0757f593..d70430b8 100644
--- a/docs/sticky.html
+++ b/docs/sticky.html
@@ -61,6 +61,12 @@
 // Customize Selector
 const outline = new Outline({
   articleElement: $('#main')
+})

selector

Description

Type：
String
Default：
'h1,h2,h3,h4,h5,h6'

可选，用来指定 article 节点下，要生成导航的标题标签的选择器。

// Default selector
+new Outline(Outline.DEFAULTS)
+
+// Customize selector
+new Outline({
+  selector: 'h2'
 })

title

Description

Type：
String|Boolean
Default：
'目录'

可选，用来指定文章导读导航菜单的标题文字。设置空字符串或者 false，则不显示标题。在插入导航菜单的 DOM 元素已有标题时，可以设置 title: '' 或者 false。

说明：本 API 文档的导航菜单便是使用 outline.js 生成，并且没有设置 title。

(function(){
   const defaults = Outline.DEFAULTS
   let outline
@@ -113,7 +119,7 @@
 // 设置 stickyHeight（outline.js 的示例页面的主标题元素的高度）
 defaults.stickyHeight = 86
 // 默认生成独立的侧滑弹窗导航菜单
-new Outline(defaults)
showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
+new Outline(defaults)

showCode

Description

Type：
Boolean
Default：
true

可选，是否显示段落章节编号：

animationCurrent

Description

Type：
Boolean
Default：
true

可选，是否采用动画定位高亮当前的章节标题：

hasToolbar

Description

Type：
Boolean
Default：
true

可选，是否显示侧边的按钮工具栏：

anchorURL

Description

Type：
String
Default：
''

可选，用来指定文章标题锚点链接图标的链接地址：

// Default URL - 默认链接，点击图标，页面会滚动到当前标题位置
 new Outline()
 
 // Customize URL - 直接打开链接了
@@ -774,6 +780,8 @@
   stickyHeight: 0,
   // 是否显示标题编号
   showCode: true,
+  // 是否显示侧边的按钮工具栏
+  hasToolbar: true,
   // 指定是否采用动画定位高亮当前的章节标题，默认值：true
   // 当值为 false 时，则采用高亮当前章节标题的链接文字并加粗文字
   // 如果喜欢更简洁的高亮效果，可以选择设置为 false
diff --git a/gulpfile.js b/gulpfile.js
index 41cf7870..c1228815 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -118,6 +118,7 @@ const buildApi = () => {
   return gulp
     .src([
       'api/pug/index.pug',
+      'api/pug/anchors.pug',
       'api/pug/relative.pug',
       'api/pug/sticky.pug',
       'api/pug/fixed.pug',
diff --git a/outline.js b/outline.js
index 7c7a33ac..1800fff7 100644
--- a/outline.js
+++ b/outline.js
@@ -55,12 +55,13 @@ class Outline extends Base {
   }
 
   render() {
+    const hasToolbar = this.attr('hasToolbar')
     const scrollElement = this.attr('scrollElement')
     const $scrollElement = document.querySelector(scrollElement)
 
     this._renderPrint()._renderAnchors()._renderChapters()._renderToolbar()
 
-    if ($scrollElement) {
+    if ($scrollElement && hasToolbar) {
       this.onToolbarUpdate({
         top: $scrollElement.scrollTop,
         min: 0,
@@ -187,6 +188,7 @@ class Outline extends Base {
   }
 
   _renderToolbar() {
+    const hasToolbar = this.attr('hasToolbar')
     const placement = this.attr('placement')
     const homepage = this.attr('homepage')
     const git = this.attr('git')
@@ -266,6 +268,10 @@ class Outline extends Base {
     }
     const buttons = []
 
+    if (!hasToolbar) {
+      return this
+    }
+
     buttons.push(UP)
     if (count > 0) {
       buttons.push(MENU)
@@ -584,13 +590,16 @@ class Outline extends Base {
   }
 
   addListeners() {
+    const hasToolbar = this.attr('hasToolbar')
     const $print = document.querySelector('#outline-print')
 
-    this.$on('toolbar:update', this.onToolbarUpdate)
-    this.$on('toolbar:action:up', this.onScrollTop)
-    this.$on('toolbar:action:toggle', this.onToggle)
-    this.$on('toolbar:action:reading', this.onEnterReading)
-    this.$on('toolbar:action:down', this.onScrollBottom)
+    if (hasToolbar) {
+      this.$on('toolbar:update', this.onToolbarUpdate)
+      this.$on('toolbar:action:up', this.onScrollTop)
+      this.$on('toolbar:action:toggle', this.onToggle)
+      this.$on('toolbar:action:reading', this.onEnterReading)
+      this.$on('toolbar:action:down', this.onScrollBottom)
+    }
 
     if ($print) {
       at(document, 'keyup', this.onExitReading, this, true)
@@ -602,12 +611,15 @@ class Outline extends Base {
   }
 
   removeListeners() {
+    const hasToolbar = this.attr('hasToolbar')
     const $print = document.querySelector('#outline-print')
 
-    this.$off('toolbar:update')
-    this.$off('toolbar:action:up')
-    this.$off('toolbar:action:toggle')
-    this.$off('toolbar:action:down')
+    if (hasToolbar) {
+      this.$off('toolbar:update')
+      this.$off('toolbar:action:up')
+      this.$off('toolbar:action:toggle')
+      this.$off('toolbar:action:down')
+    }
 
     if ($print) {
       off(document, 'keyup', this.onExitReading)
@@ -629,6 +641,7 @@ Outline.DEFAULTS = {
   placement: 'rtl',
   animationCurrent: true,
   showCode: true,
+  hasToolbar: true,
   anchorURL: '',
   stickyHeight: 0,
   homepage: '',
diff --git a/outline.min.js b/outline.min.js
index 18ec7b72..cc0b32bb 100644
--- a/outline.min.js
+++ b/outline.min.js
@@ -1,2 +1,2 @@
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t="undefined"!=typeof globalThis?globalThis:t||self).Outline=e()}(this,(function(){"use strict";const t=t=>Object.prototype.toString.apply(t),e=e=>"function"==typeof e||"[object Function]"===t(e),s=(t,s=300)=>!!e(t)&&setTimeout((()=>{t()}),s),i=s=>("[object Object]"===t(s)||"object"==typeof s||e(s))&&null!==s,r=e=>Array.isArray?Array.isArray(e):"[object Array]"===t(e),l=t=>{let e={};return null===t?null:(r(t)?e=Array.from(t):(e=Object.assign({},t),Object.keys(e).forEach((s=>e[s]=i(t[s])?l(t[s]):t[s]))),e)},n=t=>"string"==typeof t,o=t=>!!(i(t)&&t.nodeName&&t.tagName&&1===t.nodeType),h=(t,e)=>{const s=new RegExp("(\\s|^)"+e+"(\\s|$)");let i,r;return!!o(t)&&(i=t.className,!!i&&(r=t.classList,r?.contains?t.classList.contains(e):!!s.exec(i)))},a=(t,e)=>{let s,i;if(h(t,e))return!1;s=t.classList,s?.add?s.add(e):(i=t.className,i+=i.length>0?" 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null!==t.offsetParent&&(e+=F(t.offsetParent)),e},U=['','','','','','','','','','','','','','','','','','',''],I=(t,e="icon")=>n(t)?((t,e="icon")=>{const s=/id="(.*?)"/,i=/^(\w+)-/;return U.find((r=>{const l=s.exec(r)[1];return i.exec(l)[1]===e&&l===("icon"===e?`${e}-${t}`:`${e}-icon-${t}`)}))})(t,e):[...U],R=(t="")=>{const e=document.body;let s=document.querySelector("#outline-icons"),i=[];(t=>{if(!t)return!1;r(t)&&t.length>0?t.forEach((t=>{-1===U.indexOf(t)&&n(t)&&U.push(t)})):n(t)&&U.push(t)})(t),i=I(),s?s.innerHTML=i.join(""):(s=document.createElement("div"),s.innerHTML=``,e.insertBefore(s.firstChild,e.firstChild))},B=e=>{return!(!i(e)||!(o(e)||(e=>!(!i(e)||"[object NodeList]"!==t(e)))(e)||(s=e,i(s)&&"[object DocumentFragment]"===t(s))||(e=>!(!i(e)||!("[object Text]"===t(e)||e.tagName&&3===e.nodeType)))(e)));var s},P=(t,e,s)=>{let 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e(t)&&t.call(this),this.removeListeners(),document.body.removeChild(i),i=null,this.attr(ot.DEFAULTS),this.disabled=!1,this.closed=!1,this.buttons=[],e(s)&&s.call(this),this}refresh(){const t=this.$el,e=this.attr("buttons")||[];return this.removeListeners(),t.innerHTML="",e.forEach((t=>{this.$el.appendChild(rt(t))})),this.addListeners(),this}addListeners(){const t=this.attr("buttons"),s=this.$el;return!t||t.length<1||t.forEach((t=>{const i=t.action;let r,l,o,h;if(this.disabled)return!1;i&&(l=i.handler,n(l)&&(h=l,i.handler=function(){this.$emit(h,t.name)},l=i.handler),r=i.type||"click",o=i.context),e(l)&&T(s,`.${t.name}`,r,l,o||this,!0)})),this}removeListeners(){const t=this.attr("buttons"),s=this.$el;return!t||t.length<1||t.forEach((t=>{const i=t.action;let r,l;if(this.disabled)return!1;i&&(l=i.handler,r=i.type||"click"),e(l)&&b(s,r,l)})),this}}ot.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 ht=t=>{const e=Object.getPrototypeOf;let s;if(!(t=>i(t)&&null!==t)(t))return!1;if(s=t.prototype,!s)return!0;for(s=t;null!==e(s);)s=e(s);return e(t)===s},at=t=>t.replace(/]*>.*?<\/script>/gi,""),ct=t=>{const e={"&":"&","<":"<",">":">","'":"'",'"':"""};return t.replace(/[&<>'"]/g,(t=>e[t]||t))},ut=[];let dt;R();class pt extends N{constructor(t){super(),this.attrs=l(pt.DEFAULTS),this.$el=null,this.id="",this.closed=!1,this.visible=!1,this.offset=-50,this.timer=null,this.destroyed=!1,t&&this.initialize(t)}initialize(t){return this.attr(t),this.id=this.attr("id"),this.offset=this.attr("offset")||-50,this.$emit("created",{...this.attr()}),this.render().addListeners(),this.attr("visible")&&this.open(),this}isClosed(){return this.closed}isDestroyed(){return this.destroyed}_getClassName(){const t=this.attr("type"),e=this.attr("effect"),s=this.attr("round"),i=this.attr("closable"),r=this.attr("visible"),l=this.attr("customClass"),n=["outline-message",`outline-message_${t}`,`outline-message_${e}`];return s&&n.push("outline-message_round"),i||n.push("outline-message_full-width"),r&&n.push("outline-message_visible"),l&&n.push(l),n}render(){const t=this.attr("type"),e=this.attr("message"),s=this.attr("effect"),i=this.attr("round"),r=this.attr("closable"),l=this.attr("dangerouslyUseHTMLString"),n=this._getClassName(),o=[];let h,c,u,d,p,m=20;return i&&"default"===s&&(m=12),"plain"!==s&&(h=J("light"===s?`circle-${t}`:t,{iconSet:"outline",size:m}),a(h,"outline-message__icon"),o.push(h)),l?(u=document.createDocumentFragment(),u.innerHTML=e):u=document.createTextNode(ct(at(e))),c=Q("p",{className:"outline-message__content"},[u]),o.push(c),r&&(d=J("close",{iconSet:"outline",size:18}),a(d,"outline-message__close"),o.push(d)),p=Q("div",{className:n.join(" ")},o),p.style.cssText="top:-50px;",this.$el=p,document.body.appendChild(this.$el),this.$emit("mounted"),this}_refreshIcon(){const t=".outline-message_hidden",e=this.$el;let s,i,r,l,n,o,h,c=20;return this.isDestroyed()?this:(n=e.querySelector(".outline-icon"),n?(s=this.attr("type"),i=this.attr("effect"),r=this.attr("round"),"plain"===i?a(n,t):(u(n,t),r&&"default"===i&&(c=12)),o=n.querySelector(".outline-icon__svg"),V(o,{style:`width:${c}px;height:${c}px;`}),h=o.querySelector("use"),l="light"===i?`circle-${s}`:s,P(h,"xlink:href",`#outline-icon-${l}`),this):this)}_refreshMessage(){const t=this.$el;let e,s,i,r;return this.isDestroyed()||(e=t.querySelector(".outline-message__content"),s=this.attr("dangerouslyUseHTMLString"),i=this.attr("message"),r=s?i:ct(at(i)),e.innerHTML=r),this}_refreshClose(){const t=".outline-message_hidden",e=this.$el;let s,i;return this.isDestroyed()||(s=e.querySelector(".outline-message__close"),i=this.attr("closable"),s&&(i?a(s,t):u(s,t))),this}_refreshEl(){const t=this.$el;let e;return this.isDestroyed()||(e=this._getClassName(),P(t,"className",e.join(" "))),this}refresh(t){return ht(t)?(this.attr(t)._refreshIcon()._refreshMessage()._refreshClose()._refreshEl(),this):this}clearTimer(){return this.isDestroyed()||this.timer&&(clearTimeout(this.timer),this.timer=null),this}startTimer(t){return this.isDestroyed()||(this.timer=s((()=>{this.$emit("opened"),this.close()}),1e3*t)),this}open(t){const e=this.$el;let i,r,l,n;return this.isDestroyed()||(this.isClosed()&&this.refresh(t),i=this.attr("offset"),r=this.attr("duration"),l=i&&i>=this.offset?i:this.offset,n=`top:${l}px;`,this.clearTimer(),this.$emit("beforeOpen"),s((()=>{this.visible=!0,a(e,"outline-message_visible"),e.style.cssText=n,r>0&&this.startTimer(r)}),100)),this}close(){const t=this.$el;let i,r;return this.isDestroyed()||(i=this.attr("destroyAfterClosed"),r=this.attr("beforeClose"),e(r)&&r.call(this),t.style.cssText="top:-50px;",u(t,"outline-message_visible"),this.visible=!1,this.closed=!0,s((()=>{this.$emit("closed"),i&&this.destroy()}),500)),this}destroy(){return this.$emit("beforeDestroy"),this.isDestroyed()||(this.removeListeners(),document.body.removeChild(this.$el),this.attr(pt.DEFAULTS),this.id="",this.closed=!0,this.visible=!1,this.offset=-50,clearTimeout(this.timer),this.timer=null,this.destroyed=!0,this.$el=null,this.$emit("afterDestroy")),this}onMouseEnter(){return this.clearTimer(),this}onMouseLeave(){const t=this.attr("duration"),e=this.attr("delay");return t<=0||this.startTimer(e),this}onClose(){return this.clearTimer(),this.close(),this}addListeners(){const t=this.$el;return T(t,".outline-message__content","mouseenter",this.onMouseEnter,this,!0),T(t,".outline-message__content","mouseleave",this.onMouseLeave,this,!0),T(t,".outline-message__close","click",this.onClose,this,!0),this}removeListeners(){const t=this.$el;return b(t,"mouseenter",this.onMouseEnter),b(t,"mouseleave",this.onMouseLeave),b(t,"click",this.onClose),this}}pt.DEFAULTS={id:"",type:"info",effect:"default",round:!1,offset:30,duration:3,delay:2,message:"",customClass:"",closable:!0,visible:!0,dangerouslyUseHTMLString:!1,destroyAfterClosed:!0,beforeClose:null},["info","success","warning","error"].forEach((t=>{pt[t]=e=>{const s={},i=k("outline-message-"),r=e.beforeClose||null;let l=e.offset||30;return n(e)?s.message=e:ht(e)&&S(s,e),s.id=i,s.type=t,s.offset=l,s.visible=!1,s.beforeClose=()=>{pt.close(i,r)},dt=new pt(s),ut.forEach((t=>{l+=t.$el.offsetHeight+16})),dt.offset=l,dt.open(),ut.push(dt),dt}})),pt.close=(t,s)=>{const i=ut.length;let r,l,n=-1;if(ut.forEach(((i,r)=>{t===i.id&&(l=i.$el.offsetHeight,n=r,e(s)&&s.call(i),ut.splice(r,1))})),i<=1||-1===n||n>ut.length-1)return!1;for(r=n;r{let t=ut.length-1;for(;t>=0;t-=1)ut[t].close()};const mt=(t,e)=>{let s,i=t;for(;i;)s=i.tagName.toLowerCase(),"script"!==s&&"style"!==s&&a(i,"outline-print_sibling"),i=e?i.previousElementSibling:i.nextElementSibling},ft="进入阅读模式，按 ESC 键可退出阅读模式";class gt extends N{constructor(t){super(),this.attrs=l(gt.DEFAULTS),this.anchors=null,this.drawer=null,this.chapters=null,this.toolbar=null,this.buttons=[],this.reading=!1,t&&this.initialize(t)}initialize(t){return this.attr(t),this.$emit("created",{...this.attr()}),this.render().addListeners(),this}getChapters(t=!1){return this.anchors.getChapters(t)}count(){return this.anchors.count()}render(){const t=this.attr("hasToolbar"),e=this.attr("scrollElement"),s=document.querySelector(e);return this._renderPrint()._renderAnchors()._renderChapters()._renderToolbar(),s&&t&&this.onToolbarUpdate({top:s.scrollTop,min:0,max:s.scrollHeight}),this.$emit("mounted"),this}_renderPrint(){const t=this.attr("print"),e=this.attr("articleElement");let i,r,l;return t.element?(n(e)?i=document.querySelector(e):o(e)&&(i=e),a(i,"outline-article"),l=t.element,n(l)?r=document.querySelector(l):o(l)&&(r=l),((t,e)=>{const i=document.createDocumentFragment();let r,l,h,a,c,u,d,p=e;if(n(t)?r=document.querySelector(t):o(t)&&(r=t),!r)return!1;u=J("close",{iconSet:"outline",size:20,attrs:{className:"outline-print__close"}}),a=r.querySelector("h1"),o(e)&&(a=e),o(a)&&(p=a.innerText),a=Q("h1",{className:"outline-print__title"},p),h=Q("article",{id:"outline-print__article",className:"outline-print__article"}),l=Q("section",{id:"outline-print",className:"outline-print"},[u,a,h]),document.body.appendChild(l),s((()=>{c=l.previousElementSibling,mt(c,!0),c=l.nextElementSibling,mt(c),d=r.cloneNode(!0).childNodes,d.forEach((t=>{i.appendChild(t)})),h.appendChild(i)}))})(r,t.title),this):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"),o=this.attr("chapterTextFilter");return this.anchors=new K({articleElement:t,stickyHeight:s,scrollElement:i,selector:e,showCode:r,anchorURL:l,afterScroll:n,chapterTextFilter:o}),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("animationCurrent"),n=this.attr("position"),o=this.attr("placement"),h=this.attr("afterSticky"),a=this.attr("afterToggle"),c=this.attr("afterScroll"),u=this.count();let d,p=this.attr("parentElement");return u<1||(d={scrollElement:s,showCode:r,animationCurrent:l,position:n,title:t,stickyHeight:e,chapters:this.getChapters(),afterSticky:h,afterToggle:a,afterScroll:c},"relative"===n?(this.drawer=new et({placement:o,title:t,size:"tiny",hasOffset:!0,hasPadding:!1,customClass:i,afterClosed:()=>{this.toolbar.toggle()}}),p=this.drawer.$main):d.customClass=i,d.parentElement=p,this.chapters=new it(d)),this}_renderToolbar(){const t=this.attr("hasToolbar"),s=this.attr("placement"),i=this.attr("homepage"),r=this.attr("git"),l=this.attr("tags"),n=this.attr("issues"),o=this.attr("tools"),h=this.attr("print"),a=this.count(),c={name:"homepage",icon:"homepage",size:20,link:i},u={name:"github",icon:"github",size:20,link:r},d={name:"tags",icon:"tags",size:20,link:l},p={name:"issues",icon:"issues",size:20,link:n},m={name:"menu",icon:"menu",size:18,action:{type:"click",handler:"toolbar:action:toggle"}},f={name:"reading",icon:"file",size:18,action:{type:"click",handler:"toolbar:action:reading"}},g={name:"print",icon:"print",size:20,action:{type:"click",handler:"toolbar:action:print"}},y=[];return t?(y.push({name:"up",icon:"up",size:20,action:{type:"click",handler:"toolbar:action:up"}}),a>0&&y.push(m),i&&y.push(c),r&&y.push(u),l&&y.push(d),n&&y.push(p),h.element&&(y.push(f),e(print)&&y.push(g)),o?.length>0&&y.push(...o),y.push({name:"down",icon:"down",size:20,action:{type:"click",handler:"toolbar:action:down"}}),this.buttons=[...y],this.toolbar=new ot({placement:s,buttons:y}),this):this}addButton(t){const e=this.toolbar,s=this.buttons;return s.splice(-1,0,t),e.attr({buttons:s}),e.refresh(),this}removeButton(t){return this.toolbar.remove(t),this}toTop(){const t=this.attr("afterScroll"),s=this.toolbar,i=this.chapters,r=this.count();return r>0&&(i.playing=!0),this.scrollTo(0,(()=>{s.hide("up"),s.show("down"),r>0&&(i.highlight(0),i.playing=!1),e(t)&&t.call(s,"up")})),this}toBottom(){const t=this.attr("afterScroll"),s=p(this.attr("scrollElement")),i=this.toolbar,r=this.chapters,l=this.count(),n=Math.floor(s.scrollHeight-s.clientHeight);return l>0&&(r.playing=!0),this.scrollTo(n,(()=>{i.hide("down"),i.show("up"),l>0&&(r.highlight(l-1),r.playing=!1),e(t)&&t.call(i,"bottom")})),this}scrollTo(t,e){const s=this.attr("scrollElement");return m(s,t,e),this}enterReading(){const t="outline-reading",e=`${t}_hidden`,s=document.querySelector("#outline-print"),i=document.querySelectorAll(".outline-print_sibling"),r=this.attr("print").enterReadingTip||ft;return this.reading||!s||(i.forEach((t=>{a(t,e)})),a(s,t),this.reading=!0,this.toolbar.toggle(),pt.info({round:!0,message:r}),this.$emit("enterReading")),this}exitReading(){const t="outline-reading",e=`${t}_hidden`,s=document.querySelector("#outline-print"),i=document.querySelectorAll(".outline-print_sibling");return this.reading&&s?(u(s,t),i.forEach((t=>{u(t,e)})),this.reading=!1,this.toolbar.toggle(),this.$emit("exitReading"),this):this}switchReading(){return document.querySelector("#outline-print")?(this.reading?this.exitReading():this.enterReading(),this):this}toggle(){const t=this.attr("position"),e=this.toolbar,i=this.drawer,r=this.chapters;return this.count()<1||("relative"!==t?(r.toggle(),e.highlight("menu")):(e.toggle(),s((()=>{i.toggle()})))),this}print(){return e(print)?(print(),this):this}destroy(){let t=this.anchors,e=this.chapters,s=this.drawer,i=this.toolbar,r=!1;const l=this.count(),n=document.querySelector("#outline-print");return this.$emit("beforeDestroy"),this.removeListeners(),n&&document.body.removeChild(n),l>0&&(r=e.isOutside(),e.destroy(),e=null,r&&(s.destroy(),s=null)),i.destroy(),i=null,t.destroy(),t=null,this.attr(gt.DEFAULTS),this.$emit("destroyed"),this}onToggle(){return this.toggle(),this}onScrollTop(){return this.toTop(),this}onScrollBottom(){return this.toBottom(),this}onEnterReading(){return this.switchReading(),this}onExitReading(t){return 27===t.keyCode&&this.reading&&(this.switchReading(),w(t)),this}onPrint(){return this.print(),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 {\n  return Object.prototype.toString.apply(val)\n}\n\nexport default toString\n","import toString from '../lang/toString'\n\n/**\n * 检测测试数据是否为 Function 类型\n * ========================================================================\n * @method isFunction\n * @param {*} val - （必须）待检测的数据\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\n */\nconst isFunction = (val) => {\n  return typeof val === 'function' || toString(val) === '[object Function]'\n}\n\nexport default isFunction\n","import isFunction from '../types/isFunction'\n\n/**\n * later - 延迟执行方法\n * ========================================================================\n * @method later\n * @param {Function} fn\n * @param {Number} [delay]\n * @returns {number|boolean}\n */\nconst later = (fn, delay = 300) => {\n  if (!isFunction(fn)) {\n    return false\n  }\n\n  return setTimeout(() => {\n    fn()\n  }, delay)\n}\n\nexport default later\n","import toString from '../lang/toString'\nimport isFunction from './isFunction'\n\n/**\n * 检测数据是否为 Object 类型\n * ========================================================================\n * @method isObject\n * @param {*} o\n * @returns {boolean}\n */\nconst isObject = (o) => {\n  return (\n    (toString(o) === '[object Object]' ||\n      typeof o === 'object' ||\n      isFunction(o)) &&\n    o !== null\n  )\n}\n\nexport default isObject\n","import toString from '../lang/toString'\n\n/**\n * 检测数据是否为 Array 类型\n * ========================================================================\n * @method isArray\n * @param {*} o\n * @returns {boolean}\n */\nconst isArray = (o) => {\n  if (Array.isArray) {\n    return Array.isArray(o)\n  } else {\n    return toString(o) === '[object Array]'\n  }\n}\n\nexport default isArray\n","import isObject from '../types/isObject'\r\nimport isArray from '../types/isArray'\r\n\r\n/**\r\n * 深拷贝对象函数\r\n * ========================================================================\r\n * @methods cloneDeep\r\n * @param {Object} obj - 深拷贝的对象\r\n * @returns {Array|Object|*}\r\n *\r\n * @example\r\n * const arr = cloneDeep([2,3,4,6])\r\n * => [2,3,4,6]\r\n */\r\nconst cloneDeep = (obj) => {\r\n  let clone = {}\r\n\r\n  if (obj === null) {\r\n    return null\r\n  }\r\n\r\n  if (isArray(obj)) {\r\n    clone = Array.from(obj)\r\n  } else {\r\n    clone = Object.assign({}, obj)\r\n    Object.keys(clone).forEach((key) => {\r\n      return (clone[key] = isObject(obj[key]) ? cloneDeep(obj[key]) : obj[key])\r\n    })\r\n  }\r\n\r\n  return clone\r\n}\r\n\r\nexport default cloneDeep\r\n","/**\n * 检测数据是否为 String 类型\n * ========================================================================\n * @method isArray\n * @param {*} str\n * @returns {boolean}\n */\nconst isString = (str) => {\n  return typeof str === 'string'\n}\n\nexport default isString\n","import isObject from './isObject'\n\n/**\n * 检测数据是否为 HTMLElement DOM 节点\n * ========================================================================\n * @method isElement\n * @param {*} o\n * @returns {boolean}\n */\nconst isElement = (o) => {\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\n}\n\nexport default isElement\n","import isElement from '../types/isElement'\n/**\n * 检测 DOM 节点是否包含名为 className 的样式\n * ========================================================================\n * @method hasClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst hasClass = (el, className) => {\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\n  let allClass\n  let classList\n\n  if (!isElement(el)) {\n    return false\n  }\n\n  allClass = el.className\n\n  if (!allClass) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.contains) {\n    return el.classList.contains(className)\n  }\n\n  return !!pattern.exec(allClass)\n}\n\nexport default hasClass\n","import hasClass from './hasClass'\n\n/**\n * 给 DOM 节点添加名为 className 的样式\n * ========================================================================\n * @method addClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst addClass = (el, className) => {\n  let classList\n  let allClass\n\n  if (hasClass(el, className)) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.add) {\n    classList.add(className)\n  } else {\n    allClass = el.className\n    allClass += allClass.length > 0 ? ' ' + className : className\n    el.className = allClass\n  }\n}\n\nexport default addClass\n","import isString from '../types/isString'\n\n/**\n * 清楚字符串起始位置所有的空格\n * ========================================================================\n * @method trim\n * @param {string} str\n * @returns {string|Boolean}\n */\nconst trim = (str) => {\n  if (!isString(str)) {\n    return false\n  }\n  return str.replace(/(^\\s+)|(\\s+$)/g, '')\n}\n\nexport default trim\n","import trim from '../lang/trim'\nimport hasClass from './hasClass'\n\n/**\n * 移除 DOM 节点的 className 样式\n * ========================================================================\n * @method removeClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst removeClass = (el, className) => {\n  let allClass = el.className\n  let classList\n\n  if (!allClass || !hasClass(el, className)) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.remove) {\n    classList.remove(className)\n  } else {\n    allClass = trim(allClass.replace(className, ''))\n    el.className = allClass\n  }\n}\n\nexport default removeClass\n","/**\n * 返回给定值的平方值\n * ========================================================================\n * @method easeInQuad\n * @param {Number} x\n * @returns {number}\n */\nconst easeInQuad = (x) => {\n  return x * x\n}\n\nexport default easeInQuad\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\n\n/**\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\n * ========================================================================\n * @method _getScrollElement\n * @param {String|HTMLElement} scrollElement\n * @returns {Element}\n * @private\n */\nconst _getScrollElement = (scrollElement = null) => {\n  let $rootElements\n  let $scrollElement\n\n  if (!scrollElement) {\n    $rootElements = document.querySelectorAll('html,body')\n    $scrollElement =\n      $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\n        ? $rootElements[0]\n        : $rootElements[1]\n  } else {\n    if (isString(scrollElement)) {\n      $scrollElement = document.querySelector(scrollElement)\n    } else if (isElement(scrollElement)) {\n      $scrollElement = scrollElement\n    }\n  }\n\n  return $scrollElement\n}\n\nexport default _getScrollElement\n","import easeInQuad from '../lang/easeInQuad'\nimport isFunction from '../types/isFunction'\nimport _getScrollElement from './_getScrollElement'\n\n/**\n * 指定 rootElement DOM 节点滚动到指定 top 位置\n * ========================================================================\n * @method scrollTo\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\n * @param {Number} top - （必须）滚动的 scrollTop 数值\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\n */\nconst scrollTo = (scrollElement, top, afterStop) => {\n  const $scrollElement = _getScrollElement(scrollElement)\n  let scrollTop = $scrollElement.scrollTop\n  let step = 0\n  const distance = top - scrollTop\n  const MAX_HEIGHT = $scrollElement.scrollHeight\n  const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\n  const stop = (top) => {\n    if (isFunction(afterStop)) {\n      afterStop(top)\n    }\n\n    return false\n  }\n  const play = () => {\n    step += 1\n\n    // 向上滚动\n    if (distance < 0) {\n      scrollTop -= easeInQuad(step)\n      $scrollElement.scrollTop = scrollTop\n\n      if (scrollTop <= top) {\n        $scrollElement.scrollTop = top\n        return stop(top)\n      }\n    } else {\n      scrollTop += easeInQuad(step)\n      $scrollElement.scrollTop = scrollTop\n\n      if (scrollTop >= MAX_TOP) {\n        $scrollElement.scrollTop = MAX_TOP\n        return stop(MAX_TOP)\n      }\n    }\n\n    requestAnimationFrame(play)\n  }\n\n  requestAnimationFrame(play)\n}\n\nexport default scrollTo\n","export const CAPTURE_EVENTS = [\n  'focusout',\n  'blur',\n  'focusin',\n  'focus',\n  'load',\n  'unload',\n  'mouseenter',\n  'mouseleave'\n]\n","import { CAPTURE_EVENTS } from './enum'\nimport _delete from './_delete'\n\n/**\n * （私有方法）取消 type 类型的代理事件绑定\n * ========================================================================\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\n * ========================================================================\n * @method _off\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} fn - （必须）事件处理器回调函数\n * @private\n */\nconst _off = (el, type, fn) => {\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n  /* istanbul ignore else */\n  if (fn._delegateListener) {\n    fn = fn._delegateListener\n    delete fn._delegateListener\n  }\n\n  // 移除缓存的 _listeners 数据\n  _delete(el, type, fn)\n\n  el.removeEventListener(type, fn, capture)\n}\n\nexport default _off\n","/**\n * 删除 DOM 元素缓存的 _listeners 数据\n * ========================================================================\n * @method _delete\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\n * @param {String} type - 事件类型（名称）\n * @param {Function} [fn] - 事件处理器回调函数\n */\nconst _delete = function (el, type, fn) {\n  const listeners = el._listeners\n  let index = -1\n\n  if (listeners.length < 1) {\n    return false\n  }\n\n  // 移除缓存的 _listeners 数据\n  listeners.forEach((listener, i) => {\n    const handler = listener.fn\n\n    if (type === listener.type) {\n      index = i\n\n      if (handler === fn) {\n        index = i\n      }\n    }\n  })\n\n  /* istanbul ignore else */\n  if (index > -1) {\n    listeners.splice(index, 1)\n  }\n}\n\nexport default _delete\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\nimport getListeners from './getListeners'\nimport _off from './_off'\n\n/**\n * 销毁（type 类型的）代理事件绑定\n * ========================================================================\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\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\n * ========================================================================\n * @method purgeElement\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\n * @param {String|Boolean} type - （必须）事件类型\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\n */\nconst purgeElement = function (el, type, recurse = false) {\n  const $element = isString(el) ? document.querySelector(el) : el\n  const $children = $element.childNodes\n  const listeners = getListeners($element, type)\n\n  listeners.forEach((listener) => {\n    _off($element, listener.type, listener.fn)\n  })\n\n  if (\n    (recurse || type === true || arguments.length === 1) &&\n    $element &&\n    $children\n  ) {\n    $children.forEach(($child) => {\n      if (isElement($child)) {\n        purgeElement($child, type, recurse)\n      }\n    })\n  }\n}\n\nexport default purgeElement\n","import isString from '../types/isString'\n\n/**\n * 获取 DOM 元素（type 事件类型）事件绑定信息\n * ========================================================================\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\n * ========================================================================\n * @methods getListeners\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\n * @param {String} [type] - （可选）事件类型\n * @returns {Array} - 已绑定的事件信息\n */\nconst getListeners = (el, type) => {\n  let listeners = el._listeners || []\n\n  if (isString(type) && type) {\n    listeners = listeners.filter((listener) => {\n      return listener.type === type\n    })\n  }\n\n  return listeners\n}\n\nexport default getListeners\n","import purgeElement from './purgeElement'\nimport isFunction from '../types/isFunction'\nimport _off from './_off'\n\n/**\n * 取消 type 类型的代理事件绑定\n * ========================================================================\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\n * ========================================================================\n * @method off\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} [fn] - （可选）事件处理器回调函数\n */\nconst off = (el, type, fn) => {\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\n  if (!isFunction(fn)) {\n    return purgeElement(el, type)\n  }\n\n  _off(el, type, fn)\n}\n\nexport default off\n","import isFunction from '../types/isFunction'\nimport off from './off'\n\nimport { CAPTURE_EVENTS } from './enum'\n\n/**\n * 绑定事件\n * ========================================================================\n * @method at\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\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\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，\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\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\n * @param {Boolean} once - （可选）是否仅触发一次\n */\nconst at = (el, type, fn, data, context, once = false) => {\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n  const listener = function (evt) {\n    let overrideContext = context || el\n\n    // 当设置为 true 时，则事件处理器回调函数的\n    // this 上下文指向为 data 对象\n    if (context === true) {\n      overrideContext = data\n    }\n\n    // 仅触发一次\n    /* istanbul ignore else */\n    if (once === true) {\n      off(el, type, listener)\n    }\n\n    fn.call(overrideContext, evt, data)\n  }\n\n  if (!isFunction(fn)) {\n    return false\n  }\n\n  if (!el._listeners) {\n    el._listeners = []\n  }\n\n  // 缓存 options 元素绑定的事件处理器\n  el._listeners.push({\n    el,\n    type,\n    fn: listener,\n    data,\n    context,\n    capture\n  })\n\n  // 缓存包装后的事件处理器\n  fn._delegateListener = listener\n\n  el.addEventListener(type, listener, capture)\n}\n\nexport default at\n","/**\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\n * ========================================================================\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\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\n * 标 DOM 元素是否为事件代理所期望触发的目标。\n * ========================================================================\n * @method matches\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\n * @returns {Boolean}\n */\nconst matches = (el, selector = '') => {\n  const sel = selector.replace(/^>/i, '')\n\n  if (!selector || !sel || !el) {\n    return false\n  }\n\n  /* istanbul ignore else */\n  if (el.matches) {\n    return el.matches(sel)\n  } else if (el.msMatchesSelector) {\n    return el.msMatchesSelector(sel)\n  } else {\n    return false\n  }\n}\n\nexport default matches\n","/**\n * 获取 DOM 元素的父节点\n * ========================================================================\n * @method getParentOrHost\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\n * @returns {*|HTMLElement}\n */\nconst getParentOrHost = (el) => {\n  return el.host && el !== document && el.host.nodeType\n    ? el.host\n    : el.parentNode\n}\n\nexport default getParentOrHost\n","import closest from '../dom/closest'\nimport off from './off'\nimport getTarget from './getTarget'\n\nimport { CAPTURE_EVENTS } from './enum'\n\n/**\n * 绑定代理事件\n * ========================================================================\n * @method on\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\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\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，\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\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\n * @param {Boolean} once - （可选）是否仅触发一次\n */\nconst on = (el, selector, type, fn, data, context, once = false) => {\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n  const listener = function (evt) {\n    const target = getTarget(evt)\n    // 通过 Element.matches 方法获得点击的目标元素\n    const delegateTarget = closest(target, selector, el)\n    let overrideContext = context || el\n\n    evt.delegateTarget = delegateTarget\n\n    // 当设置为 true 时，则事件处理器回调函数的\n    // this 上下文指向为 data 对象\n    if (context === true) {\n      overrideContext = data\n    }\n\n    /* istanbul ignore else */\n    if (delegateTarget) {\n      // 仅触发一次\n      /* istanbul ignore else */\n      if (once === true) {\n        off(el, type, listener)\n      }\n\n      fn.call(overrideContext, evt, data)\n    }\n  }\n\n  if (!el._listeners) {\n    el._listeners = []\n  }\n\n  // 缓存 options 元素绑定的事件处理器\n  el._listeners.push({\n    el,\n    selector,\n    type,\n    fn: listener,\n    data,\n    context,\n    capture\n  })\n\n  // 缓存包装后的事件处理器\n  fn._delegateListener = listener\n\n  el.addEventListener(type, listener, capture)\n}\n\nexport default on\n","import resolveTextNode from '../dom/resolveTextNode'\n\n/**\n * 返回触发事件的 target DOM 元素\n * ========================================================================\n * @method getTarget\n * @param {Event} evt - Event 对象\n * @return {HTMLElement} - Event 对象的 target DOM 元素\n */\nconst getTarget = function (evt) {\n  const target = evt.target\n\n  return resolveTextNode(target)\n}\n\nexport default getTarget\n","/**\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。\n * resolveTextNode() 方法则会返回实际的目标节点。\n * ========================================================================\n * @method resolveTextNode\n * @param {HTMLElement|Text} el - 要解析的节点\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\n */\nconst resolveTextNode = function (el) {\n  if (el && el.nodeType === 3) {\n    return el.parentNode\n  }\n\n  return el\n}\n\nexport default resolveTextNode\n","import matches from './matches'\nimport getParentOrHost from './getParentOrHost'\n\n/**\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\n * ========================================================================\n * @method closest\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）DOM 元素的选择其\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\n */\nconst closest = (el, selector, ctx, includeCTX) => {\n  const context = ctx || document\n\n  if (!el) {\n    return null\n  }\n\n  do {\n    /* istanbul ignore else */\n    if (\n      (selector != null &&\n        (selector.startsWith('>')\n          ? el.parentNode === context && matches(el, selector)\n          : matches(el, selector))) ||\n      (includeCTX && el === context)\n    ) {\n      return el\n    }\n\n    /* istanbul ignore else */\n    if (el === context) {\n      break\n    }\n\n    /* jshint boss:true */\n  } while ((el = getParentOrHost(el)))\n}\n\nexport default closest\n","/**\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\n * ========================================================================\n * @method stop\n * @param {Event} evt - 事件对象\n *\n * @example\n * 
\n *   Service\n *   Help\n * 
\n *\n * const $nav = document.querySelector('#nav')\n * const $service = document.querySelector('.anchor')\n *\n * on($nav, 'click', function(evt) {\n *   console.log('你点击了导航栏')\n * })\n *\n * on($anchor, 'click', function(evt) {\n *   console.log('tagName', this.tagName)\n *\n *   // 工作台输出：'a'\n *   // 不会触发事件冒泡，输出：'你点击了导航栏'\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\n *   stopEvent(evt)\n * })\n */\nconst stop = function (evt) {\n  evt.stopPropagation()\n  evt.preventDefault()\n}\n\nexport default stop\n","/**\n * 检测对象自身属性中是否具有指定的属性。\n * ========================================================================\n * @method hasOwn\n * @param {Object} obj - （必须）检测的目标对象\n * @param {String} prop - （必须）属性名\n * @returns {Boolean}\n */\nconst hasOwn = (obj, prop) => {\n  const hasOwnProperty = Object.prototype.hasOwnProperty\n  return obj && hasOwnProperty.call(obj, prop)\n}\n\nexport default hasOwn\n","import hasOwn from './hasOwn'\n\n/**\n * 扩展对象\n * ========================================================================\n * @method extend\n * @param {Object} origin\n * @param {Object} source\n */\nconst extend = (origin, source) => {\n  const keys = Object.keys(source)\n\n  keys.forEach((prop) => {\n    if (hasOwn(source, prop)) {\n      origin[prop] = source[prop]\n    }\n  })\n}\n\nexport default extend\n","/**\n * 存储订阅者（主题和处理器的）私有对象\n * ========================================================================\n * @type {{}}\n * @private\n */\nconst _subscribers = {}\n\nexport default _subscribers\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\n * ========================================================================\n * @method _hasDirectSubscribersFor\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasDirectSubscribersFor = (topic) => {\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\n}\n\nexport default _hasDirectSubscribersFor\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\nimport _hasSubscribers from './_hasSubscribers'\n\n/**\n * 判断是否存在包含 topic 指定的订阅者信息\n * ========================================================================\n * @method has\n * @param {String} topic - （必须）主题名称\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\n * @returns {Boolean}\n */\nconst has = (topic, isDirect = true) => {\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\n}\n\nexport default has\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * 判断是否存在包含给定 topic 相关的订阅者信息\n * ========================================================================\n * @method _hasSubscribers\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasSubscribers = (topic) => {\n  let found = _hasDirectSubscribersFor(topic)\n  let position = topic.lastIndexOf('.')\n\n  while (!found && position !== -1) {\n    topic = topic.substring(0, position)\n    position = topic.lastIndexOf('.')\n    found = _hasDirectSubscribersFor(topic)\n  }\n\n  return found\n}\n\nexport default _hasSubscribers\n","import isTypedArray from '../types/isTypedArray'\nimport _subscribers from './_subscribers'\nimport has from './has'\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * （异步）发布订阅主题信息\n * ========================================================================\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。\n * ========================================================================\n * @method emit\n * @param {String} topic - （必须）主题名称\n * @param {Object} [data] - （可选）数据对象\n * @param {Boolean} [async] - (可选) 是否异步发布\n */\nconst emit = (topic, data, async = true) => {\n  const execute = (topic) => {\n    if (!_hasDirectSubscribersFor(topic)) {\n      return false\n    }\n\n    _subscribers[topic].forEach((subscriber) => {\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\n      // 采用 toString() 方法转化为普通（JSON）字符串\n      const message = isTypedArray(data) ? data.toString() : data\n\n      subscriber.callback.call(subscriber.context || subscriber, message)\n    })\n  }\n  const deliver = () => {\n    let subscriber = topic\n    let position = topic.lastIndexOf('.')\n\n    while (position !== -1) {\n      subscriber = subscriber.substring(0, position)\n      position = subscriber.lastIndexOf('.')\n\n      execute(subscriber)\n    }\n\n    // 执行 topic 对应的处理器\n    execute(topic)\n    // 执行特殊 topic：'*'（监听全部消息的发布）\n    execute('*')\n  }\n\n  if (!has(topic)) {\n    return false\n  }\n\n  if (async) {\n    setTimeout(deliver, 10)\n  } else {\n    deliver()\n  }\n}\n\nexport default emit\n","import toString from '../lang/toString'\n/**\n * 判断检测数据是否为 Typed Arrays 类型的数据\n * ========================================================================\n * @param {*} val\n * @returns {boolean}\n */\nconst isTypedArray = (val) => {\n  const TYPES = [\n    '[object Int8Array]',\n    '[object Uint8Array]',\n    '[object Uint8ClampedArray]',\n    '[object Int16Array]',\n    '[object Uint16Array]',\n    '[object Int32Array]',\n    '[object Uint32Array]',\n    '[object Float32Array]',\n    '[object Float64Array]',\n    '[object BigInt64Array]',\n    '[object BigUint64Array]'\n  ]\n\n  return TYPES.indexOf(toString(val)) > -1\n}\n\nexport default isTypedArray\n","/**\n * 生成唯一 id 字符串的函数\n * ========================================================================\n * @method guid\n * @param {String} [prefix] - 生成 id 的前缀字符串\n * @return {String} 返回一个表示唯一 id 的字符串\n */\nconst guid = (() => {\n  let uuid = 0\n\n  return (prefix) => {\n    uuid += 1\n\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\n  }\n})()\n\nexport default guid\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 删除与给定 topic 相同的订阅者信息\n * ========================================================================\n * @method _removeSubscriber\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _removeSubscriber = (topic) => {\n  if (!hasOwn(_subscribers, topic)) {\n    return false\n  }\n\n  delete _subscribers[topic]\n}\n\nexport default _removeSubscriber\n","import has from './has'\nimport _removeSubscriber from './_removeSubscriber'\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\n\n/**\n * 取消订阅主题\n * ========================================================================\n * @method off\n * @param {String} topic - （必须）订阅的主题\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\n */\nconst off = (topic, token) => {\n  if (!has(topic)) {\n    return false\n  }\n\n  if (token) {\n    _removeSubscriberByToken(token)\n  } else {\n    _removeSubscriber(topic)\n  }\n}\n\nexport default off\n","import _subscribers from './_subscribers'\nimport _removeSubscriber from './_removeSubscriber'\n\n/**\n * 通过订阅者 token 值删除订阅者信息\n * ========================================================================\n * @method _removeSubscriberByToken\n * @param {String} token - 订阅者 token 字符串\n * @returns {boolean}\n * @private\n */\nconst _removeSubscriberByToken = (token) => {\n  const keys = Object.keys(_subscribers)\n  let index = -1\n\n  if (!token || keys.length < 1) {\n    return false\n  }\n\n  keys.forEach((subject) => {\n    const subscriber = _subscribers[subject]\n    let topic\n\n    subscriber.forEach((execution, j) => {\n      if (execution.callback === token || execution.token === token) {\n        topic = execution.topic\n        subscriber.splice(index, j)\n      }\n    })\n\n    /* istanbul ignore else */\n    if (subscriber.length < 1) {\n      _removeSubscriber(topic)\n    }\n  })\n}\n\nexport default _removeSubscriberByToken\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\nimport publish from './utils/observer/emit'\r\nimport subscribe from './utils/observer/on'\r\nimport unsubscribe from './utils/observer/off'\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  $emit(event, data) {\r\n    publish(event, data)\r\n    return this\r\n  }\r\n\r\n  $on(event, callback) {\r\n    subscribe(event, callback, this)\r\n    return this\r\n  }\r\n\r\n  $off(event, callback) {\r\n    unsubscribe(event, callback)\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 _subscribers from './_subscribers'\nimport isFunction from '../types/isFunction'\nimport guid from '../lang/guid'\n\n/**\n * 订阅主题，并给出处理器函数\n * ========================================================================\n * @method on\n * @param {String} topic - （必须）主题名称\n * @param {Function} handler - （必须）主题的处理器函数\n * @param {Object} [context] - （可选）指定 this 执行上下文\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\n */\nconst on = (topic, handler, context = null) => {\n  const token = guid()\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\n\n  if (!isFunction(handler)) {\n    return ''\n  }\n\n  /* istanbul ignore else */\n  if (!_subscribers[subject]) {\n    _subscribers[subject] = []\n  }\n\n  _subscribers[subject].push({\n    topic: subject,\n    callback: handler,\n    context,\n    token\n  })\n\n  return token\n}\n\nexport default on\n","/**\n * timeSlice.js 时间切片功能函数\n * ====================================================\n * Created By: Yaohaixiao\n * Update: 2023.09.04\n */\nimport isFunction from '../types/isFunction'\nimport later from './later'\n\nconst queue = []\nlet isHandling\nlet done\n\n// Shim from https://developers.google.com/web/updates/2015/08/using-requestidlecallback\nif (typeof window.requestIdleCallback === 'undefined') {\n  window.requestIdleCallback = function (cb) {\n    const start = Date.now()\n    return later(function () {\n      cb({\n        didTimeout: false,\n        timeRemaining: function () {\n          return Math.max(0, 50 - (Date.now() - start))\n        }\n      })\n    }, 10)\n  }\n\n  window.cancelIdleCallback = function (id) {\n    clearTimeout(id)\n  }\n}\n\nfunction runIdle(idleDeadline) {\n  while (idleDeadline.timeRemaining() > 0 && queue.length) {\n    const fn = queue.shift()\n\n    if (!isFunction(fn)) {\n      return false\n    }\n\n    fn()\n  }\n\n  if (queue.length) {\n    isHandling = requestIdleCallback(runIdle)\n  } else {\n    isHandling = 0\n\n    if (isFunction(done)) {\n      done()\n      done = null\n    }\n  }\n}\n\n/**\n * 时间切片功能函数：主要用于优化长时任务的性能，将长时任务分解成\n * 多个短时间任务\n * ====================================================\n * @param {Function} fn - 需要在空闲时执行的回调函数\n * @param {Function} afterComplete - queen 的\n * @return {(function(): (boolean|undefined))|*|boolean}\n */\nconst timeSlice = (fn, afterComplete = null) => {\n  queue.push(fn)\n\n  if (isFunction(afterComplete)) {\n    done = afterComplete\n  }\n\n  if (!isHandling) {\n    requestIdleCallback(runIdle)\n  }\n}\n\nexport default timeSlice\n","/**\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\n * ========================================================================\n * @method offsetTop\n * @param {HTMLElement} el - DOM 节点\n * @returns {Number}\n */\nconst offsetTop = (el) => {\n  let top = el.offsetTop\n\n  if (el.offsetParent !== null) {\n    top += offsetTop(el.offsetParent)\n  }\n\n  return top\n}\n\nexport default offsetTop\n","import DEFAULTS from './defaults'\n\nconst SYMBOLS = [...DEFAULTS]\n\nexport default SYMBOLS\n","const DEFAULTS = [\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  ''\n]\n\nexport default DEFAULTS\n","import isString from '../types/isString'\nimport getSymbol from './getSymbol'\nimport SYMBOLS from './symbols'\n\n/**\n *\n * @method getSymbols\n * @param {String} [name]\n * @param {String} [iconSet]\n * @returns {string[]|*}\n */\nconst getSymbols = (name, iconSet = 'icon') => {\n  if (isString(name)) {\n    return getSymbol(name, iconSet)\n  }\n\n  return [...SYMBOLS]\n}\n\nexport default getSymbols\n","import SYMBOLS from './symbols'\n\n/**\n * @method getSymbol\n * @param {String} name\n * @param {String} [iconSet]\n * @returns {String}\n */\nconst getSymbol = (name, iconSet = 'icon') => {\n  const patternName = /id=\"(.*?)\"/\n  const patternSet = /^(\\w+)-/\n  const symbols = SYMBOLS\n\n  return symbols.find((symbol) => {\n    const names = patternName.exec(symbol)\n    const fullName = names[1]\n    const sets = patternSet.exec(fullName)\n    const setName = sets[1]\n    const iconName =\n      iconSet === 'icon' ? `${iconSet}-${name}` : `${iconSet}-icon-${name}`\n\n    return setName === iconSet && fullName === iconName\n  })\n}\n\nexport default getSymbol\n","import add from './add'\nimport getSymbols from './getSymbols'\n\n/**\n * 绘制 SVG 图标集\n * ========================================================================\n * @method paint\n * @param {String|Array} symbol\n */\nconst paint = (symbol = '') => {\n  const $body = document.body\n  let $icons = document.querySelector('#outline-icons')\n  let symbols = []\n\n  add(symbol)\n  symbols = getSymbols()\n\n  if ($icons) {\n    $icons.innerHTML = symbols.join('')\n  } else {\n    $icons = document.createElement('div')\n    $icons.innerHTML =\n      ``\n    $body.insertBefore($icons.firstChild, $body.firstChild)\n  }\n}\n\nexport default paint\n","import isArray from '../types/isArray'\nimport isString from '../types/isString'\nimport SYMBOLS from './symbols'\n\n/**\n * @method add\n * @param {Array|String} symbols\n * @return {Boolean}\n */\nconst add = (symbols) => {\n  if (!symbols) {\n    return false\n  }\n\n  if (isArray(symbols) && symbols.length > 0) {\n    symbols.forEach((symbol) => {\n      /* istanbul ignore else */\n      if (SYMBOLS.indexOf(symbol) === -1 && isString(symbol)) {\n        SYMBOLS.push(symbol)\n      }\n    })\n  } else {\n    /* istanbul ignore else */\n    if (isString(symbols)) {\n      SYMBOLS.push(symbols)\n    }\n  }\n}\n\nexport default add\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'\nimport isObject from './isObject'\n\nconst isFragment = (fragment) => {\n  return !!(\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\n  )\n}\n\nexport default isFragment\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","/**\n * 给 DOM 节点设置属性/值\n * ========================================================================\n * @method setAttribute\n * @param {HTMLElement} el - DOM 节点\n * @param {String} attr - 属性名称\n * @param {String|Number|Boolean} value - 属性值\n */\nconst setAttribute = (el, attr, value) => {\n  let tagName = el.tagName.toLowerCase()\n\n  switch (attr) {\n    case 'style':\n      el.style.cssText = value\n      break\n    case 'value':\n      if (tagName === 'input' || tagName === 'textarea') {\n        el.value = value\n      } else {\n        el.setAttribute(attr, value)\n      }\n      break\n    case 'htmlFor':\n      el.setAttribute('for', value)\n      break\n    case 'className':\n      el.className = value\n      break\n    case 'innerHTML':\n      el.innerHTML = value\n      break\n    case 'innerText':\n      el.innerText = value\n      break\n    default:\n      el.setAttribute(attr, value)\n      break\n  }\n}\n\nexport default setAttribute\n","import isObject from '../types/isObject'\nimport hasOwn from '../lang/hasOwn'\nimport setAttribute from './setAttribute'\n\nconst setAttributes = (el, attrs) => {\n  if (!el || !isObject(attrs)) {\n    return false\n  }\n\n  Object.keys(attrs).forEach((attr) => {\n    const value = attrs[attr]\n    if (hasOwn(attrs, attr)) {\n      setAttribute(el, attr, value)\n    }\n  })\n}\n\nexport default setAttributes\n","import isObject from '../types/isObject'\nimport isString from '../types/isString'\nimport isArray from '../types/isArray'\nimport isDOM from '../types/isDOM'\nimport setAttributes from './setAttributes'\n\n/**\n * 创建 DOM 节点，并添加属性和子节点\n * ========================================================================\n * @method createElement\n * @param {String} tagName - 标签名称\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\n * @returns {HTMLElement}\n */\nconst createElement = (tagName, attrs, children) => {\n  const $fragment = document.createDocumentFragment()\n  const $el = document.createElement(tagName)\n  const isValidChild = (child) => {\n    return isDOM(child) || isString(child)\n  }\n  const append = (child) => {\n    let $child\n\n    if (!isValidChild(child)) {\n      return false\n    }\n\n    if (isDOM(child)) {\n      $child = child\n    } else if (isString(child)) {\n      $child = document.createTextNode(child)\n    }\n\n    $fragment.appendChild($child)\n  }\n\n  if (isObject(attrs)) {\n    setAttributes($el, attrs)\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\n    attrs.forEach((child) => {\n      append(child)\n    })\n  } else if (isDOM(attrs)) {\n    append(attrs)\n  } else if (isString(attrs)) {\n    append(document.createTextNode(attrs))\n  }\n\n  if (isArray(children)) {\n    children.forEach((child) => {\n      append(child)\n    })\n  } else {\n    append(children)\n  }\n\n  $el.appendChild($fragment)\n\n  return $el\n}\n\nexport default createElement\n","import isArray from '../types/isArray'\nimport isString from '../types/isString'\nimport isSVG from '../types/isSVG'\nimport setAttributes from '../dom/setAttributes'\n\n/**\n * 创建 SVG 图标 DOM 元素\n * ========================================================================\n * @method createElement\n * @param {String} name\n * @param {Object} [options]\n * @param {Number|Array} [options.size]\n * @param {String} [options.color]\n * @param {String} [options.iconSet]\n * @param {Object} [options.attrs]\n * @returns {HTMLElement}\n */\nconst createElement = (name, options = {}) => {\n  const ICON = 'outline-icon'\n  const size = options.size || 0\n  const color = options.color || ''\n  const iconSet = options.iconSet || ''\n  const width = isArray(size) ? size[0] : size\n  const height = isArray(size) ? size[1] : size\n  const defaultRules = size ? `width:${width}px;height:${height}px;` : ''\n  const cssRules = color ? defaultRules + `color:${color}` : defaultRules\n  const attrs = options.attrs || {}\n  const $icon = document.createElement('i')\n  let binds = ''\n  let svg = ''\n  let $svg\n\n  if (!isString(name)) {\n    return null\n  }\n\n  if (isSVG(name)) {\n    svg = name\n  } else {\n    binds =\n      iconSet && iconSet !== 'icon'\n        ? `xlink:href=\"#${iconSet}-icon-${name}\"`\n        : `xlink:href=\"#icon-${name}\"`\n    svg = ``\n  }\n\n  $icon.innerHTML = svg\n\n  if (attrs.className) {\n    attrs.className = `${ICON} ${attrs.className}`\n  } else {\n    attrs.className = ICON\n  }\n\n  setAttributes($icon, attrs)\n\n  $svg = $icon.querySelector('svg')\n  setAttributes($svg, {\n    'aria-hidden': true,\n    xmlns: 'http://www.w3.org/2000/svg',\n    class: 'outline-icon__svg',\n    width: 200,\n    height: 200,\n    style: cssRules\n  })\n\n  return $icon\n}\n\nexport default createElement\n","import isString from './isString'\n\nconst isSVG = (str) => {\n  const declaration = '(?:<\\\\?xml[^>]*>\\\\s*)?'\n  const doctype =\n    '(?:<\\\\!doctype svg[^>]*\\\\s*(?:\\\\[?(?:\\\\s*]*>\\\\s*)*\\\\]?)*[^>]*>\\\\s*)?'\n  const content = ']*>[^]*<\\\\/svg>\\\\s*$'\n  const svg = `^\\\\s*${declaration}${doctype}${content}\\\\s*$`\n  const pattern = new RegExp(svg, 'i')\n\n  return isString(str) && pattern.test(str)\n}\n\nexport default isSVG\n","import createElement from './createElement'\n\n/**\n * 创建 SVG 图标 DOM 元素\n * ========================================================================\n * @method icon\n * @alias createElement\n * @see createElement\n * @param {String} name\n * @param {Object} [options]\n * @param {Number|Array} [options.size]\n * @param {String} [options.color]\n * @param {String} [options.iconSet]\n * @returns {HTMLElement}\n */\nconst icon = (name, options = {}) => {\n  return createElement(name, options)\n}\n\nexport default icon\n","import removeClass from './utils/dom/removeClass'\nimport isEmpty from './utils/types/isEmpty'\nimport trim from './utils/lang/trim'\n\nconst _resetHeading = ($heading, hasAnchor = true, isAtStart = true) => {\n  const CLS_HEADING = 'outline-heading'\n  const text = $heading.innerHTML\n  const pattern = /^\\d+(\\.?\\d+)*\\s?/gi\n  let $anchor\n\n  $heading.innerHTML = text.replace(pattern, '')\n  $heading.removeAttribute('id')\n  $heading.removeAttribute('data-id')\n\n  removeClass($heading, CLS_HEADING)\n\n  if (!hasAnchor) {\n    return false\n  }\n\n  $anchor = $heading.querySelector(`.${CLS_HEADING}__anchor`)\n\n  if (isAtStart) {\n    removeClass($heading, `${CLS_HEADING}_start`)\n  }\n\n  if (isEmpty(trim($heading.className))) {\n    $heading.removeAttribute('class')\n  }\n\n  $heading.removeChild($anchor)\n}\n\nexport default _resetHeading\n","import isString from './isString'\n/**\n * 检测数据是否为空字符串\n * ========================================================================\n * @method isEmpty\n * @param {String} str\n * @returns {boolean}\n */\nconst isEmpty = (str) => {\n  return isString(str) && str === ''\n}\n\nexport default isEmpty\n","import trim from './utils/lang/trim'\nimport stripTags from './utils/lang/stripTags'\nimport isFunction from './utils/types/isFunction'\n\nimport _getChapterParentIdByDiffer from './_getChapterParentIdByDiffer'\nimport _getChaptersWithCode from './_getChaptersWithCode'\n\n/**\n * 根据文章中的 h1~h6 标签，自动分析返回文章章节数据\n * ========================================================================\n * @method getChapters\n * @param {Array} headings\n * @param {Boolean} [showCode]\n * @param {Function} [chapterTextFilter]\n * @return {*|*[]}\n */\nconst getChapters = (headings, showCode = true, chapterTextFilter = null) => {\n  let previous = 1\n  let level = 0\n  let text = ''\n  const chapters = []\n\n  headings.forEach((heading, i) => {\n    const tagName = heading.tagName\n    const headingLevel = tagName.replace(/h/i, '')\n    let current = parseInt(headingLevel, 10)\n    let pid = -1\n\n    // 场景1：当前标题是前一个标题的子标题\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；\n    // h2 （前一个标题）\n    // h3 （当前标题）\n    if (current > previous) {\n      level += 1\n\n      // 第一层级的 pid 是 -1\n      if (level === 1) {\n        pid = -1\n      } else {\n        pid = i - 1\n      }\n    }\n    // 场景2：当前标题和前一个标题层级相同\n    // 当前标题的（标题标签）序号 = 前一个标题的序号\n    // h2 （前一个标题）\n    // h2 （当前标题）\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\n    // h2\n    // h4 （前一个标题）\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）\n    else if (current === previous || (current < previous && current > level)) {\n      // H1 的层级肯定是 1\n      if (current === 1) {\n        level = 1\n        pid = -1\n      } else {\n        pid = chapters[i - 1].pid\n      }\n    }\n    // 场景3：当前标题比前一个标题层级高\n    else if (current <= level) {\n      // H1 的层级肯定是 1\n      if (current === 1) {\n        level = 1\n      } else {\n        level = level - (previous - current)\n\n        if (level <= 1) {\n          level = 1\n        }\n      }\n\n      // 第一级的标题\n      if (level === 1) {\n        pid = -1\n      } else {\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\n        pid = _getChapterParentIdByDiffer(chapters, previous - current, i)\n      }\n    }\n\n    previous = current\n\n    text = stripTags(trim(heading.innerHTML))\n\n    if (isFunction(chapterTextFilter)) {\n      text = chapterTextFilter(text)\n    }\n\n    chapters.push({\n      id: i,\n      pid: pid,\n      level: level,\n      rel: `heading-${i}`,\n      text,\n      tagName\n    })\n  })\n\n  return showCode ? _getChaptersWithCode(chapters) : chapters\n}\n\nexport default getChapters\n","import isString from '../types/isString'\n\n/**\n * 过滤所有 HTML 标签\n * ========================================================================\n * @method stripTags\n * @param {string} str\n * @returns {string}\n */\nconst stripTags = (str) => {\n  if (!isString(str)) {\n    return ''\n  }\n  return str.replace(/<\\/?[^>]+(>|$)/g, '')\n}\n\nexport default stripTags\n","const _getChapterParentIdByDiffer = (chapters, differ, index) => {\n  let previous = chapters[index - 1]\n  let pid\n  let i\n\n  for (i = 0; i < differ; i += 1) {\n    pid = previous.pid\n    previous = chapters[pid]\n  }\n\n  pid = previous.pid\n\n  return pid\n}\n\nexport default _getChapterParentIdByDiffer\n","import isArray from './utils/types/isArray'\n\nconst _getChaptersWithCode = (chapters) => {\n  const groups = {}\n  const cb = (o) => {\n    return [o.pid]\n  }\n\n  chapters.forEach((o) => {\n    const group = JSON.stringify(cb(o))\n\n    groups[group] = groups[group] || []\n    groups[group].push(o)\n\n    o.index = groups[group].length\n    if (o.pid === -1) {\n      o.code = String(o.index)\n    }\n  })\n\n  Object.keys(groups).forEach((group) => {\n    groups[group].forEach((c) => {\n      const subjects = groups[`[${c.id}]`]\n      if (!subjects || !isArray(subjects)) {\n        return false\n      }\n      subjects.forEach((o) => {\n        o.code = c.code + '.' + o.index\n      })\n    })\n  })\n\n  return chapters\n}\n\nexport default _getChaptersWithCode\n","import isString from './utils/types/isString'\nimport isFunction from './utils/types/isFunction'\nimport isElement from './utils/types/isElement'\nimport timeSlice from './utils/lang/timeSlice'\nimport toTree from './utils/lang/toTree'\nimport later from './utils/lang/later'\nimport scrollTo from './utils/dom/scrollTo'\nimport _getScrollElement from './utils/dom/_getScrollElement'\nimport offsetTop from './utils/dom/offsetTop'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport stop from './utils/event/stop'\nimport paint from './utils/icons/paint'\n\nimport _updateHeading from './_updateHeading'\nimport _resetHeading from './_resetHeading'\nimport getChapters from './getChapters'\n\nimport Base from './base'\n\nclass Anchors extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = Anchors.DEFAULTS\n    this.$articleElement = null\n    this.$scrollElement = null\n    this.$headings = []\n    this.chapters = []\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    const showCode = this.attr('showCode') || true\n    let created\n    let scrollElement\n    let selector\n    let $articleElement\n    let articleElement\n\n    this.attr(options)\n    articleElement = this.attr('articleElement')\n    scrollElement = this.attr('scrollElement')\n    selector = this.attr('selector')\n    created = this.attr('created')\n\n    if (isString(articleElement)) {\n      $articleElement = document.querySelector(articleElement)\n    } else if (isElement(articleElement)) {\n      $articleElement = articleElement\n    }\n\n    if (!$articleElement) {\n      return this\n    }\n\n    this.$articleElement = $articleElement\n    this.$scrollElement = _getScrollElement(scrollElement)\n    this.$headings = [...$articleElement.querySelectorAll(selector)]\n\n    if (this.$headings.length < 1) {\n      return this\n    }\n\n    this.chapters = getChapters(\n      this.$headings,\n      showCode,\n      this.attr('chapterTextFilter')\n    )\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    this.render().addListeners()\n\n    return this\n  }\n\n  getChapters(isTreeStructured = false) {\n    const chapters = this.chapters\n    return isTreeStructured ? toTree(chapters, 'id', 'pid') : chapters\n  }\n\n  count() {\n    return this.chapters.length\n  }\n\n  render() {\n    const LIMIT = 400\n    const mounted = this.attr('mounted')\n    const hasAnchor = this.attr('hasAnchor')\n    const isAtStart = this.attr('isAtStart')\n    const showCode = this.attr('showCode')\n    const anchorURL = this.attr('anchorURL')\n    const count = this.count()\n    const $headings = [...this.$headings]\n    const chapters = this.getChapters()\n    const update = (headings, group) => {\n      headings.forEach(($heading, i) => {\n        const id = i + group * LIMIT\n        const chapterCode = chapters[id].code\n        _updateHeading($heading, id, {\n          hasAnchor,\n          isAtStart,\n          showCode,\n          chapterCode,\n          anchorURL\n        })\n      })\n    }\n    let groupIndex = -1\n\n    paint()\n\n    // 针对超长的文章，进行 timeSlice 处理\n    if (count > LIMIT) {\n      groupIndex += 1\n      // 同步绘制 Limit 以内的标题链接（可以确保 50ms 完成绘制）\n      update($headings.splice(0, LIMIT), 0)\n      // 采用 timeSlice 处理机制绘制剩余的标题\n      while ($headings.length > 0) {\n        const once = $headings.splice(0, LIMIT)\n        timeSlice(\n          () => {\n            update(once, (groupIndex += 1))\n          },\n          () => {\n            this.$emit('anchors:all:paint')\n          }\n        )\n      }\n    } else {\n      update($headings, 0)\n    }\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    return this\n  }\n\n  scrollTo(top, after) {\n    const el = this.$scrollElement\n\n    scrollTo(el, top, after)\n\n    return this\n  }\n\n  destroy() {\n    const hasAnchor = this.attr('hasAnchor')\n    const isAtStart = this.attr('isAtStart')\n    const beforeDestroy = this.attr('beforeDestroy')\n    const afterDestroy = this.attr('afterDestroy')\n    const $headings = this.$headings\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n    $headings.forEach(($heading) => {\n      _resetHeading($heading, hasAnchor, isAtStart)\n    })\n\n    this.attr(Anchors.DEFAULTS)\n    this.$articleElement = null\n    this.$scrollElement = null\n    this.$headings = []\n    this.chapters = []\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    return this\n  }\n\n  onAnchorTrigger(evt) {\n    const anchorURL = this.attr('anchorURL')\n    const afterScroll = this.attr('afterScroll')\n    const stickyHeight = this.attr('stickyHeight')\n    const $anchor = evt.delegateTarget\n    const $heading = $anchor.parentNode\n    const top = offsetTop($heading) - (stickyHeight + 10)\n    const $scrollElement = this.$scrollElement\n    const min = 0\n    const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\n    const after = () => {\n      if (isFunction(afterScroll)) {\n        afterScroll.call(this, 'anchor')\n      }\n\n      later(() => {\n        this.$emit('toolbar:update', {\n          top,\n          min,\n          max\n        })\n      })\n    }\n\n    this.scrollTo(top, after)\n\n    if (!anchorURL) {\n      stop(evt)\n    }\n\n    return this\n  }\n\n  addListeners() {\n    const $articleElement = this.$articleElement\n\n    on(\n      $articleElement,\n      '.outline-heading__anchor',\n      'click',\n      this.onAnchorTrigger,\n      this,\n      true\n    )\n\n    return this\n  }\n\n  removeListeners() {\n    const $articleElement = this.$articleElement\n\n    off($articleElement, 'click', this.onAnchorTrigger)\n\n    return this\n  }\n}\n\nAnchors.DEFAULTS = {\n  scrollElement: 'html,body',\n  articleElement: '#article',\n  selector: 'h1,h2,h3,h4,h5,h6',\n  stickyHeight: 0,\n  anchorURL: '',\n  hasAnchor: true,\n  isAtStart: true,\n  showCode: false,\n  created: null,\n  mounted: null,\n  afterScroll: null,\n  beforeDestroy: null,\n  afterDestroy: null,\n  chapterTextFilter: null\n}\n\nexport default Anchors\n","const toTree = (list, nodeKey, parentKey) => {\r\n  const map = {}\r\n  const roots = []\r\n\r\n  list.forEach((item, i) => {\r\n    // initialize the map\r\n    map[item[nodeKey]] = i\r\n    // initialize the children\r\n    item.children = []\r\n  })\r\n\r\n  list.forEach((item) => {\r\n    const node = list[map[item[parentKey]]]\r\n\r\n    if (item[parentKey] !== -1) {\r\n      // if you have dangling branches check that map[node.parentId] exists\r\n      node.children.push(item)\r\n    } else {\r\n      roots.push(item)\r\n    }\r\n  })\r\n\r\n  return roots\r\n}\r\n\r\nexport default toTree\r\n","import trim from './utils/lang/trim'\nimport createElement from './utils/dom/createElement'\nimport setAttributes from './utils/dom/setAttributes'\n\nimport icon from './utils/icons/icon'\n\nconst _updateHeading = ($heading, i, options) => {\n  const CLS_HEADING = 'outline-heading'\n  const hasAnchor = options.hasAnchor || true\n  const isAtStart = options.isAtStart || true\n  const showCode = options.showCode || false\n  const chapterCode = options.chapterCode || ''\n  const anchorURL = options.anchorURL || ''\n  const headingId = `heading-${i}`\n  const attrs = {\n    id: headingId,\n    className: isAtStart ? `${CLS_HEADING} ${CLS_HEADING}_start` : CLS_HEADING,\n    'data-id': i\n  }\n  const text = trim($heading.innerHTML)\n  let $anchor\n  let $icon\n\n  if (showCode) {\n    attrs.innerHTML = chapterCode + ' ' + text\n  }\n  setAttributes($heading, attrs)\n\n  if (!hasAnchor) {\n    return false\n  }\n\n  $icon = icon('hash', { iconSet: 'outline' })\n  $anchor = createElement(\n    'a',\n    {\n      id: `anchor-${i}`,\n      className: `${CLS_HEADING}__anchor anchor-${i}`,\n      href: anchorURL || `#${headingId}`,\n      target: anchorURL ? '_blank' : 'self',\n      'data-id': i\n    },\n    $icon\n  )\n  $heading.appendChild($anchor)\n}\n\nexport default _updateHeading\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'\n\nlet index = 2000\n\nconst zIndex = (idx) => {\n  if (idx) {\n    index = idx\n  } else {\n    index += 1\n  }\n\n  setProperty('--outline-zIndex', `${index}`)\n\n  return index\n}\n\nexport default zIndex\n","import Base from './base'\n\nimport later from './utils/lang/later'\nimport cloneDeep from './utils/lang/cloneDeep'\nimport isFunction from './utils/types/isFunction'\nimport addClass from './utils/dom/addClass'\nimport removeClass from './utils/dom/removeClass'\nimport createElement from './utils/dom/createElement'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\n\nimport paint from './utils/icons/paint'\nimport icon from './utils/icons/icon'\nimport zIndex from './zIndex'\n\nclass Drawer extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Drawer.DEFAULTS)\n    this.title = ''\n    this.closed = true\n    this.$el = null\n    this.$modal = null\n    this.$header = null\n    this.$title = null\n    this.$close = null\n    this.$main = null\n    this.$footer = null\n    this.$overlay = null\n    this.zIndex = 0\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    let created\n\n    this.attr(options)\n\n    this.title = this.attr('title')\n    created = this.attr('created')\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    this.render().addListeners()\n    return this\n  }\n\n  setTitle(title) {\n    this.attr('title', title)\n    this.title = title\n    this.$title.innerHTML = title\n\n    return this\n  }\n\n  isClosed() {\n    return this.closed\n  }\n\n  render() {\n    const mounted = this.attr('mounted')\n    const size = this.attr('size')\n    const placement = this.attr('placement')\n    const hasClose = this.attr('hasClose')\n    const hasOverlay = this.attr('hasOverlay')\n    const hasOffset = this.attr('hasOffset')\n    const hasPadding = this.attr('hasPadding')\n    const autoHeight = this.attr('autoHeight')\n    const customClass = this.attr('customClass')\n    let $el\n    let $modal\n    let $header\n    let $title\n    let $close\n    let $main\n    let $footer\n    let $overlay\n\n    paint()\n    this.zIndex = zIndex()\n\n    $title = createElement(\n      'h2',\n      {\n        className: 'outline-drawer__title'\n      },\n      this.title\n    )\n    this.$title = $title\n\n    if (hasClose) {\n      $close = createElement(\n        'div',\n        {\n          className: 'outline-drawer__close'\n        },\n        icon('close', { iconSet: 'outline', size: 20 })\n      )\n      this.$close = $close\n    }\n\n    $header = createElement(\n      'header',\n      {\n        className: 'outline-drawer__header'\n      },\n      [$title, $close]\n    )\n    this.$header = $header\n\n    $main = createElement('div', {\n      className: 'outline-drawer__main'\n    })\n    this.$main = $main\n\n    if (!hasPadding) {\n      addClass($main, 'outline-drawer_full')\n    }\n\n    $footer = createElement('footer', {\n      className: 'outline-drawer__footer'\n    })\n    this.$footer = $footer\n\n    $modal = createElement(\n      'div',\n      {\n        className: `outline-drawer__modal outline-drawer_${placement} outline-drawer_${size} outline-drawer_closed`\n      },\n      [$header, $main, $footer]\n    )\n    this.$modal = $modal\n\n    if (hasOffset) {\n      addClass($modal, 'outline-drawer_offset')\n    }\n\n    if (autoHeight) {\n      addClass($modal, 'outline-drawer_auto')\n    }\n\n    if (customClass) {\n      addClass($modal, customClass)\n    }\n\n    if (hasOverlay) {\n      $overlay = createElement('div', {\n        className: 'outline-drawer__overlay'\n      })\n      this.$overlay = $overlay\n    }\n\n    $el = createElement(\n      'div',\n      {\n        className: `outline-drawer`\n      },\n      [$modal, $overlay]\n    )\n    this.$el = $el\n    document.body.appendChild($el)\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    return this\n  }\n\n  open() {\n    const opened = this.attr('afterOpened')\n    const $modal = this.$modal\n\n    addClass(this.$el, 'outline-drawer_opened')\n    removeClass($modal, 'outline-drawer_closed')\n    addClass($modal, 'outline-drawer_opened')\n\n    later(() => {\n      this.closed = false\n\n      if (isFunction(opened)) {\n        opened.call(this)\n      }\n    })\n\n    return this\n  }\n\n  close() {\n    const closed = this.attr('afterClosed')\n    const $modal = this.$modal\n\n    removeClass($modal, 'outline-drawer_opened')\n    addClass($modal, 'outline-drawer_closed')\n\n    later(() => {\n      removeClass(this.$el, 'outline-drawer_opened')\n      this.closed = true\n\n      if (isFunction(closed)) {\n        closed.call(this)\n      }\n    })\n\n    return this\n  }\n\n  toggle() {\n    const afterToggle = this.attr('afterToggle')\n    const closed = this.isClosed()\n\n    if (closed) {\n      this.open()\n    } else {\n      this.close()\n    }\n\n    if (isFunction(afterToggle)) {\n      later(() => {\n        afterToggle.call(this, closed)\n      })\n    }\n\n    return this\n  }\n\n  destroy() {\n    const afterDestroy = this.attr('afterDestroy')\n    const beforeDestroy = this.attr('beforeDestroy')\n    let index = this.zIndex\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n\n    this.attrs = Drawer.DEFAULTS\n    this.title = ''\n    this.closed = false\n    this.$el = null\n    this.$modal = null\n    this.$header = null\n    this.$title = null\n    this.$close = null\n    this.$main = null\n    this.$footer = null\n    this.$overlay = null\n\n    index -= 1\n    zIndex(index)\n    this.zIndex = 0\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    return this\n  }\n\n  addListeners() {\n    const hasClose = this.attr('hasClose')\n    const hasOverlay = this.attr('hasOverlay')\n    const $el = this.$el\n\n    if (hasClose) {\n      on($el, '.outline-drawer__close', 'click', this.onClose, this, true)\n    }\n\n    if (hasOverlay) {\n      on($el, '.outline-drawer__overlay', 'click', this.onClose, this, true)\n    }\n\n    return this\n  }\n\n  removeListeners() {\n    const hasClose = this.attr('hasClose')\n    const hasOverlay = this.attr('hasOverlay')\n    const $el = this.$el\n\n    if (!hasClose && !hasOverlay) {\n      return this\n    }\n\n    off($el, 'click', this.onClose)\n\n    return this\n  }\n\n  onClose() {\n    this.close()\n    return this\n  }\n}\n\nDrawer.DEFAULTS = {\n  placement: 'rtl',\n  title: '标题',\n  size: 'regular',\n  hasClose: true,\n  hasOverlay: true,\n  hasOffset: false,\n  hasPadding: true,\n  autoHeight: true,\n  created: null,\n  mounted: null,\n  afterClosed: null,\n  afterOpened: null,\n  afterScroll: null,\n  beforeDestroy: null,\n  afterDestroy: null,\n  afterToggle: null\n}\n\nexport default Drawer\n","import isFunction from '../types/isFunction'\nimport isElement from '../types/isElement'\n\n/**\n * 通用的 IntersectionObserver 观察者处理器\n * ========================================================================\n * @method intersection\n * @param {Function} fn\n * @param {Object} [props]\n * @param {Object|HTMLElement} [props.root]\n * @param {String} [props.selector]\n * @param {Object} [props.context]\n * @param {String} [props.attr]\n * @param {String} [props.rootMargin]\n */\nconst intersection = (fn, props = {}) => {\n  const root = props.root || null\n  const selector = props.selector || '.outline-heading'\n  const context = props.context || null\n  const rootMargin = props.rootMargin || '0px 0px -90% 0px'\n  const options = {\n    rootMargin: rootMargin\n  }\n  const Observer = new IntersectionObserver((entries) => {\n    entries.forEach((entry) => {\n      if (entry.intersectionRatio > 0) {\n        if (isFunction(fn)) {\n          fn.call(context || entry.target, entry.target)\n        }\n      }\n    })\n  }, options)\n  const $root = isElement(root) ? root : document\n\n  if (root) {\n    options.root = root\n  }\n\n  $root.querySelectorAll(selector).forEach((section) => {\n    Observer.observe(section)\n  })\n\n  return Observer\n}\n\nexport default intersection\n","/**\r\n * 获取HTML元素的某个CSS样式值\r\n * ====================================================\r\n * @param el\r\n * @param ruleName\r\n * @returns {*}\r\n */\r\nconst getStyle = (el, ruleName) => {\r\n  return getComputedStyle(el)[ruleName]\r\n}\r\n\r\nexport default getStyle\r\n","import Base from './base'\n\nimport isString from './utils/types/isString'\nimport isFunction from './utils/types/isFunction'\nimport isElement from './utils/types/isElement'\nimport later from './utils/lang/later'\nimport at from './utils/event/at'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport stop from './utils/event/stop'\nimport createElement from './utils/dom/createElement'\nimport scrollTo from './utils/dom/scrollTo'\nimport addClass from './utils/dom/addClass'\nimport intersection from './utils/dom/intersection'\nimport removeClass from './utils/dom/removeClass'\nimport offsetTop from './utils/dom/offsetTop'\nimport getStyle from './utils/dom/getStyle'\nimport setProperty from './utils/dom/setProperty'\nimport _getScrollElement from './utils/dom/_getScrollElement'\nimport cloneDeep from './utils/lang/cloneDeep'\n\nimport _paintChapters from './_paintChapters'\n\nclass Chapters extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Chapters.DEFAULTS)\n\n    this._reset()\n\n    this.offsetWidth = 0\n    this.playing = false\n    this.scrollTimer = null\n    this.resizeTimer = null\n    this.Observer = null\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  _reset() {\n    this.$el = null\n    this.$title = null\n    this.$main = null\n    this.$list = null\n    this.$placeholder = null\n    this.$parentElement = null\n    this.$scrollElement = null\n    this.$active = null\n\n    this.chapters = []\n    this.active = 0\n    this.offsetTop = 0\n    this.closed = false\n\n    return this\n  }\n\n  initialize(options) {\n    let created\n    let parentElement\n    let scrollElement\n    let $parent\n\n    this.attr(options)\n    created = this.attr('created')\n    parentElement = this.attr('parentElement')\n    scrollElement = this.attr('scrollElement')\n\n    if (isString(parentElement)) {\n      $parent = document.querySelector(parentElement)\n    } else if (isElement(parentElement)) {\n      $parent = parentElement\n    }\n    this.$parentElement = $parent\n    this.$scrollElement = _getScrollElement(scrollElement)\n\n    this.chapters = this.attr('chapters')\n    this.closed = this.attr('closed')\n    this.active = this.attr('active')\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    if (this.chapters.length < 1) {\n      return this\n    }\n\n    this.render().addListeners()\n\n    this.$active = document.querySelector(`#chapter-${this.active}`)\n\n    return this\n  }\n\n  isClosed() {\n    return this.closed\n  }\n\n  isSticky() {\n    const position = this.attr('position')\n    return position === 'sticky'\n  }\n\n  isFixed() {\n    const position = this.attr('position')\n    return position === 'fixed'\n  }\n\n  isInside() {\n    return this.isFixed() || this.isSticky()\n  }\n\n  isOutside() {\n    return !this.isInside()\n  }\n\n  count() {\n    return this.chapters.length\n  }\n\n  _paintEdge() {\n    const $fragment = document.createDocumentFragment()\n    const STICKY = 'outline-chapters_sticky'\n    const HIDDEN = 'outline-chapters_hidden'\n    const title = this.attr('title')\n    const animationCurrent = this.attr('animationCurrent')\n    const customClass = this.attr('customClass')\n    const $parentElement = this.$parentElement\n    const children = []\n    const contents = []\n    let $title = null\n    let $el\n    let $main\n    let $list\n    let $placeholder\n\n    if (!$parentElement) {\n      return this\n    }\n\n    if (this.isInside() && title) {\n      $title = createElement(\n        'h2',\n        {\n          className: 'outline-chapters__title'\n        },\n        title\n      )\n      this.$title = $title\n      contents.push($title)\n    }\n\n    $list = createElement('ul', {\n      // 为优化性能，添加了 _fixed 和 _hidden\n      // fixed 为了让 $list 脱离流布局\n      // hidden 让 $list 不可见\n      className: `outline-chapters__list`\n    })\n    this.$list = $list\n    children.push($list)\n\n    if(animationCurrent) {\n      $placeholder = createElement('div', {\n        className: 'outline-chapters__placeholder'\n      })\n      this.$placeholder = $placeholder\n      children.push($placeholder)\n    }\n\n    $main = createElement(\n      'div',\n      {\n        className: 'outline-chapters__main'\n      },\n      children\n    )\n    this.$main = $main\n    contents.push($main)\n\n    $el = createElement(\n      'nav',\n      {\n        id: 'outline-chapters',\n        className: `outline-chapters ${HIDDEN}`\n      },\n      contents\n    )\n    this.$el = $el\n\n    if (this.isSticky()) {\n      this.calculateStickyHeight()\n      addClass($el, STICKY)\n    }\n\n    if (customClass) {\n      addClass($el, customClass)\n    }\n    $fragment.appendChild($el)\n    $parentElement.appendChild($fragment)\n\n    return this\n  }\n\n  render() {\n    const HIDDEN = 'outline-chapters_hidden'\n    const showCode = this.attr('showCode')\n    const mounted = this.attr('mounted')\n    const $parentElement = this.$parentElement\n    const chapters = this.chapters\n    const count = this.count()\n    let $el\n    let $list\n\n    if (!$parentElement || chapters.length < 1) {\n      return this\n    }\n\n    if (this.isInside()) {\n      addClass($parentElement, 'outline-chapters-parent')\n    }\n\n    this._paintEdge()\n\n    $el = this.$el\n    $list = this.$list\n    _paintChapters($list, chapters, showCode)\n    removeClass($el, HIDDEN)\n\n    later(() => {\n      this.highlight(this.active)\n    }, 60)\n\n    this.offsetTop = offsetTop($el)\n    this.offsetWidth = $el.offsetWidth\n\n    if (this.isFixed()) {\n      this.sticky()\n      setProperty('--outline-chapters-width', `${this.offsetWidth}px`)\n    }\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    if (count < 400) {\n      this.onObserver()\n    }\n\n    return this\n  }\n\n  positionPlaceholder(index) {\n    const $main = this.$main\n    const $list = this.$list\n    const $placeholder = this.$placeholder\n    const $anchor = $list.querySelector('.outline-chapters__anchor')\n    const animationCurrent = this.attr('animationCurrent')\n    const mainPaddingTop = parseInt(getStyle($main, 'padding-top'), 10)\n    const mainBorderTop = parseInt(getStyle($main, 'border-top-width'), 10)\n    const placeholderPaddingTop = parseInt(getStyle($list, 'padding-top'), 10)\n    const placeholderMarginTop = parseInt(getStyle($list, 'margin-top'), 10)\n    const placeholderBorderTop = parseInt(\n      getStyle($list, 'border-top-width'),\n      10\n    )\n    let height = $anchor.offsetHeight\n    let offsetTop = 0\n    let top\n\n    if (!animationCurrent) {\n      return this\n    }\n\n    if (mainPaddingTop) {\n      offsetTop += mainPaddingTop\n    }\n\n    if (placeholderPaddingTop) {\n      offsetTop += placeholderPaddingTop\n    }\n\n    if (placeholderMarginTop) {\n      offsetTop += placeholderMarginTop\n    }\n\n    if (mainBorderTop) {\n      offsetTop += mainBorderTop\n    }\n\n    if (placeholderBorderTop) {\n      offsetTop += placeholderBorderTop\n    }\n\n    top = height * index\n    $placeholder.style.cssText = `transform: translateY(${\n      offsetTop + top\n    }px);height:${height}px;`\n\n    return this\n  }\n\n  highlight(id) {\n    const animationCurrent = this.attr('animationCurrent')\n    const $anchor = this.$el.querySelector(`#chapter__anchor-${id}`)\n    const ACTIVE = 'outline-chapters_active'\n    const HIGHLIGHT = 'outline-chapters_highlight'\n\n    if (!$anchor) {\n      return this\n    }\n\n    this.active = parseInt($anchor.getAttribute('data-id'), 10)\n\n    if (this.$active) {\n      removeClass(this.$active, HIGHLIGHT)\n      removeClass(this.$active, ACTIVE)\n    }\n\n    this.$active = $anchor\n    addClass(this.$active, ACTIVE)\n\n    if (animationCurrent) {\n      this.positionPlaceholder(this.active)\n    } else {\n      addClass(this.$active, HIGHLIGHT)\n    }\n\n    return this\n  }\n\n  sticky() {\n    const afterSticky = this.attr('afterSticky')\n    const FIXED = 'outline-chapters_fixed'\n    const $el = this.$el\n    const top = this.offsetTop\n    const scrollTop = this.$scrollElement.scrollTop\n    let isStickying\n\n    if (!this.isFixed()) {\n      return this\n    }\n\n    isStickying = scrollTop >= top\n\n    if (isStickying) {\n      addClass($el, FIXED)\n    } else {\n      removeClass($el, FIXED)\n    }\n\n    if (isFunction(afterSticky)) {\n      afterSticky.call(this, this.isClosed(), isStickying)\n    }\n\n    return this\n  }\n\n  calculateStickyHeight() {\n    const documentElement = document.documentElement\n    const height = Math.max(\n      documentElement.clientHeight || 0,\n      window.innerHeight || 0\n    )\n    setProperty('--outline-sticky-height', `${height}px`)\n    return this\n  }\n\n  scrollTo(top, after) {\n    const el = this.$scrollElement\n\n    scrollTo(el, top, after)\n\n    return this\n  }\n\n  show() {\n    const FOLDED = 'outline-chapters_folded'\n    const HIDDEN = 'outline-chapters_hidden'\n    const opened = this.attr('afterOpened')\n    const count = this.count()\n    const $el = this.$el\n    const $parent = this.$parentElement\n\n    if (this.isInside()) {\n      if (count > 800) {\n        removeClass($parent, HIDDEN)\n      } else {\n        removeClass($parent, HIDDEN)\n        later(() => {\n          removeClass($parent, FOLDED)\n        }, 30)\n      }\n    } else {\n      removeClass($el, HIDDEN)\n    }\n    this.closed = false\n\n    if (isFunction(opened)) {\n      opened.call(this)\n    }\n\n    return this\n  }\n\n  hide() {\n    const FOLDED = 'outline-chapters_folded'\n    const HIDDEN = 'outline-chapters_hidden'\n    const closed = this.attr('afterClosed')\n    const count = this.count()\n    const $el = this.$el\n    const $parent = this.$parentElement\n\n    if (this.isInside()) {\n      if (count > 800) {\n        addClass($parent, HIDDEN)\n      } else {\n        addClass($parent, FOLDED)\n        later(() => {\n          addClass($parent, HIDDEN)\n        })\n      }\n    } else {\n      addClass($el, HIDDEN)\n    }\n    this.closed = true\n\n    if (isFunction(closed)) {\n      closed.call(this)\n    }\n\n    return this\n  }\n\n  toggle() {\n    const afterToggle = this.attr('afterToggle')\n    const top = this.offsetTop\n    const scrollTop = this.$scrollElement.scrollTop\n    let isStickying\n\n    if (this.isClosed()) {\n      this.show()\n    } else {\n      this.hide()\n    }\n\n    if (isFunction(afterToggle)) {\n      later(() => {\n        isStickying = scrollTop >= top\n        afterToggle.call(this, this.isClosed(), isStickying)\n      })\n    }\n\n    return this\n  }\n\n  destroy() {\n    const beforeDestroy = this.attr('beforeDestroy')\n    const afterDestroy = this.attr('afterDestroy')\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n    this.$parentElement.removeChild(this.$el)\n\n    this.attr(Chapters.DEFAULTS)._reset()\n\n    if (this.scrollTimer) {\n      clearTimeout(this.scrollTimer)\n      this.scrollTimer = null\n    }\n\n    if (this.resizeTimer) {\n      clearTimeout(this.resizeTimer)\n      this.resizeTimer = null\n    }\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    if (this.Observer) {\n      this.Observer = null\n    }\n\n    return this\n  }\n\n  onObserver() {\n    const selector = this.attr('selector')\n    let timer = null\n\n    this.Observer = intersection(\n      ($heading) => {\n        const id = $heading.getAttribute('data-id')\n\n        if (this.playing) {\n          return false\n        }\n\n        if (timer) {\n          clearTimeout(timer)\n        }\n\n        timer = later(() => {\n          this.highlight(id)\n        }, 100)\n      },\n      {\n        selector,\n        context: this\n      }\n    )\n\n    return this\n  }\n\n  onSelect(evt) {\n    const stickyHeight = this.attr('stickyHeight')\n    const $anchor = evt.delegateTarget\n    const id = $anchor.getAttribute('data-id')\n    const headingId = $anchor.href.split('#')[1]\n    const $heading = document.querySelector(`#${headingId}`)\n    const top = offsetTop($heading) - (stickyHeight + 10)\n    const min = 0\n    const max = this.$scrollElement.scrollHeight\n    const afterScroll = this.attr('afterScroll')\n    const after = () => {\n      if (isFunction(afterScroll)) {\n        afterScroll.call(this, 'chapter')\n      }\n\n      later(() => {\n        this.playing = false\n        this.$emit('toolbar:update', {\n          top,\n          min,\n          max\n        })\n      })\n    }\n\n    this.playing = true\n    if (this.isFixed()) {\n      this.sticky()\n      later(() => {\n        this.scrollTo(top, after)\n        this.highlight(id)\n      }, 10)\n    } else {\n      this.scrollTo(top, after)\n      this.highlight(id)\n    }\n\n    stop(evt)\n\n    return this\n  }\n\n  onScroll() {\n    const $scrollElement = this.$scrollElement\n\n    if (this.scrollTimer) {\n      clearTimeout(this.scrollTimer)\n    }\n\n    this.scrollTimer = later(() => {\n      const top = $scrollElement.scrollTop\n      const min = 0\n      const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\n\n      if (this.isFixed()) {\n        this.sticky()\n      }\n\n      this.$emit('toolbar:update', {\n        top,\n        min,\n        max\n      })\n    }, 100)\n\n    return this\n  }\n\n  onResize() {\n    if (this.resizeTimer) {\n      clearTimeout(this.resizeTimer)\n    }\n\n    this.resizeTimer = later(() => {\n      this.calculateStickyHeight()\n    })\n\n    return this\n  }\n\n  addListeners() {\n    const $el = this.$el\n    const $scrollElement = this.$scrollElement\n    const tagName = $scrollElement.tagName.toLowerCase()\n    let $element = $scrollElement\n\n    if (tagName === 'html' || tagName === 'body') {\n      $element = window\n    }\n\n    on($el, '.outline-chapters__anchor', 'click', this.onSelect, this, true)\n    at($element, 'scroll', this.onScroll, this, true)\n    if (this.isSticky()) {\n      at(window, 'resize', this.onResize, this, true)\n    }\n    this.$on('anchors:all:paint', this.onObserver, this)\n\n    return this\n  }\n\n  removeListeners() {\n    const selector = this.attr('selector')\n    const $el = this.$el\n    const $scrollElement = this.$scrollElement\n    const tagName = $scrollElement.tagName.toLowerCase()\n    let $element = $scrollElement\n\n    if (tagName === 'html' || tagName === 'body') {\n      $element = window\n    }\n\n    off($el, 'click', this.onSelect)\n    off($element, 'scroll', this.onScroll)\n\n    if (this.isSticky()) {\n      at(window, 'resize', this.onResize)\n    }\n\n    this.$off('anchors:all:paint')\n\n    if (this.Observer) {\n      document.querySelectorAll(selector).forEach((section) => {\n        this.Observer.unobserve(section)\n      })\n    }\n\n    return this\n  }\n}\n\nChapters.DEFAULTS = {\n  parentElement: '',\n  scrollElement: '',\n  selector: '.outline-heading',\n  active: 0,\n  closed: false,\n  showCode: true,\n  animationCurrent: true,\n  position: 'relative',\n  stickyHeight: 0,\n  chapters: [],\n  created: null,\n  mounted: null,\n  afterClosed: null,\n  afterOpened: null,\n  afterScroll: null,\n  beforeDestroy: null,\n  afterDestroy: null,\n  afterSticky: null\n}\n\nexport default Chapters\n","import createElement from './utils/dom/createElement'\nimport timeSlice from './utils/lang/timeSlice'\n\nconst _paintChapters = ($list, chapters, showCode = false) => {\n  const LIMIT = 400\n  const count = chapters.length\n  const clones = [...chapters]\n  const paint = (parts) => {\n    const byId = (id) => $list.querySelector(`#${id}`)\n    parts.forEach((chapter) => {\n      const pid = chapter.pid\n      const id = chapter.id\n      const rel = chapter.rel\n      const children = []\n      const $text = createElement(\n        'span',\n        {\n          className: 'outline-chapters__text'\n        },\n        chapter.text\n      )\n      let $link\n      let $code\n      let $li\n      let $subject\n      let $chapter\n\n      if (showCode) {\n        $code = createElement(\n          'span',\n          {\n            className: 'outline-chapters__code',\n            'data-id': id\n          },\n          chapter.code\n        )\n\n        children.push($code)\n      }\n\n      children.push($text)\n\n      $link = createElement(\n        'a',\n        {\n          id: `chapter__anchor-${id}`,\n          className: 'outline-chapters__anchor',\n          href: '#' + rel,\n          rel: rel,\n          'data-id': id\n        },\n        children\n      )\n\n      $li = createElement(\n        'li',\n        {\n          id: `chapter-${id}`,\n          className: 'outline-chapters__item',\n          'data-id': id\n        },\n        $link\n      )\n\n      if (pid === -1) {\n        $list.appendChild($li)\n      } else {\n        $chapter = byId(`chapter-${pid}`)\n        $subject = byId(`subject-${pid}`)\n\n        if (!$subject) {\n          $subject = createElement(\n            'ul',\n            {\n              id: 'subject-' + pid,\n              className: 'outline-chapters__subject'\n            },\n            $li\n          )\n\n          $chapter.appendChild($subject)\n        } else {\n          $subject.appendChild($li)\n        }\n      }\n    })\n  }\n\n  if (count > LIMIT) {\n    // 同步绘制\n    paint(clones.splice(0, LIMIT))\n    // 剩余的采用 timeSlice 机制绘制\n    while (clones.length > 0) {\n      const once = clones.splice(0, LIMIT)\n      timeSlice(() => {\n        paint(once)\n      })\n    }\n  } else {\n    paint(clones)\n  }\n}\n\nexport default _paintChapters\n","import icon from './utils/icons/icon'\nimport createElement from './utils/dom/createElement'\nimport addClass from './utils/dom/addClass'\n\nconst _createButton = (button, rounded = true) => {\n  const $icon = icon(button.icon, {\n    iconSet: button.iconSet || 'outline',\n    color: button.color || '',\n    size: button.size\n  })\n  const $anchor = createElement(\n    'a',\n    {\n      className: `outline-toolbar__anchor`,\n      href: button.link\n    },\n    $icon\n  )\n  const $button = createElement(\n    'div',\n    {\n      className: `outline-toolbar__button ${button.name}`\n    },\n    [button.link ? $anchor : $icon]\n  )\n\n  addClass($icon, 'outline-toolbar__icon')\n\n  if (rounded) {\n    addClass($button, 'outline-toolbar_rounded')\n  }\n\n  if (button.disabled) {\n    addClass($button, 'outline-toolbar_disabled')\n  }\n\n  return $button\n}\n\nexport default _createButton\n","import Base from './base'\n\nimport isString from './utils/types/isString'\nimport isFunction from './utils/types/isFunction'\nimport isObject from './utils/types/isObject'\nimport isArray from './utils/types/isArray'\nimport later from './utils/lang/later'\nimport cloneDeep from './utils/lang/cloneDeep'\nimport createElement from './utils/dom/createElement'\nimport addClass from './utils/dom/addClass'\nimport hasClass from './utils/dom/hasClass'\nimport removeClass from './utils/dom/removeClass'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport paint from './utils/icons/paint'\n\nimport _createButton from './_createButton'\n\nconst DISABLED = 'outline-toolbar_disabled'\nconst HIDDEN = 'outline-toolbar_hidden'\n\nclass Toolbar extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Toolbar.DEFAULTS)\n    this.$el = null\n    this.disabled = false\n    this.closed = false\n    this.buttons = []\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    let created\n\n    this.attr(options)\n    created = this.attr('created')\n    this.disabled = this.attr('disabled')\n    this.closed = this.attr('closed')\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    this.render().addListeners()\n\n    return this\n  }\n\n  isDisabled(name) {\n    const buttons = this.attr('buttons')\n    let button\n\n    if (name) {\n      button = buttons.find((option) => option.name === name)\n\n      return button?.disabled\n    }\n\n    return this.disabled\n  }\n\n  isClosed() {\n    return this.closed\n  }\n\n  highlight(name) {\n    const button = this.buttons.find((item) => item.name === name)\n    const ACTIVE = 'outline-toolbar_active'\n    let $button\n\n    if ($button) {\n      return this\n    }\n\n    $button = button.$el\n\n    if (hasClass($button, ACTIVE)) {\n      removeClass($button, ACTIVE)\n    } else {\n      addClass($button, ACTIVE)\n    }\n\n    return this\n  }\n\n  render() {\n    const mounted = this.attr('mounted')\n    const buttons = this.attr('buttons') || []\n    const rounded = this.attr('rounded')\n    const placement = this.attr('placement')\n    const $buttons = []\n\n    paint()\n\n    buttons.forEach((button) => {\n      const $button = _createButton(button, rounded)\n\n      $buttons.push($button)\n      this.buttons.push({\n        name: button.name,\n        $el: $button\n      })\n    })\n\n    this.$el = createElement(\n      'div',\n      {\n        id: 'outline-toolbar',\n        className: `outline-toolbar outline-toolbar_${placement}`\n      },\n      $buttons\n    )\n    document.body.appendChild(this.$el)\n\n    if (this.closed) {\n      this.hide()\n    }\n\n    if (this.disabled) {\n      this.disable()\n    }\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    return this\n  }\n\n  add(button) {\n    const $el = this.$el\n    const buttons = this.attr('buttons')\n    const action = button.action\n    const $fragment = document.createDocumentFragment()\n    let type\n\n    if (isObject(button)) {\n      buttons.push(button)\n      $fragment.appendChild(_createButton(button))\n    } else if (isArray(button)) {\n      button.forEach((item) => {\n        $fragment.appendChild(_createButton(item))\n      })\n    }\n    $el.appendChild($fragment)\n\n    if (action && isFunction(action.handler)) {\n      type = action.type || 'click'\n      on($el, `.${button.name}`, type, action.handler)\n    }\n\n    return this\n  }\n\n  remove(name) {\n    const $el = this.$el\n    const buttons = this.attr('buttons')\n    const button = buttons.find((option) => option.name === name)\n    let index = -1\n    let $button\n\n    if (!button) {\n      return this\n    }\n\n    buttons.forEach((button, i) => {\n      if (button.name === name) {\n        index = i\n      }\n    })\n\n    if (index > -1) {\n      this.attr().buttons.splice(index, 1)\n    }\n\n    $button = $el.querySelector(`.${name}`)\n    this.switch(name, false)\n    $el.removeChild($button)\n\n    return this\n  }\n\n  switch(name, enabled) {\n    const $el = this.$el\n    const buttons = this.attr('buttons')\n    const button = buttons.find((option) => option.name === name)\n    let action\n    let type\n    let listener\n    let $button\n\n    if (!button) {\n      return this\n    }\n\n    buttons.forEach((option) => {\n      if (option.name === name) {\n        button.disabled = !enabled\n      }\n    })\n\n    action = button.action\n    $button = $el.querySelector(`.${name}`)\n\n    if (action) {\n      type = action.type || 'click'\n      listener = action.handler\n    }\n\n    if (enabled) {\n      removeClass($button, DISABLED)\n\n      if (type && listener) {\n        on($el, `.${name}`, type, listener)\n      }\n    } else {\n      addClass($button, DISABLED)\n\n      if (type && listener) {\n        off($el, type, listener)\n      }\n    }\n\n    return this\n  }\n\n  disable(name) {\n    const disabled = this.attr('afterDisabled')\n\n    if (name) {\n      this.switch(name, false)\n    } else {\n      addClass(this.$el, DISABLED)\n      this.removeListeners()\n      this.disabled = true\n\n      if (isFunction(disabled)) {\n        disabled.call(this)\n      }\n    }\n\n    return this\n  }\n\n  enable(name) {\n    const enabled = this.attr('afterEnabled')\n\n    if (name) {\n      this.switch(name, true)\n    } else {\n      this.disabled = false\n      removeClass(this.$el, DISABLED)\n      this.addListeners()\n\n      if (isFunction(enabled)) {\n        enabled.call(this)\n      }\n    }\n\n    return this\n  }\n\n  show(name) {\n    const opened = this.attr('afterOpened')\n    const button = this.attr('buttons').find((option) => option.name === name)\n    const $el = this.$el\n    let $button\n\n    if (name) {\n      if (!button) {\n        return this\n      }\n\n      $button = $el.querySelector(`.${name}`)\n      removeClass($button, HIDDEN)\n    } else {\n      removeClass($el, HIDDEN)\n      this.closed = false\n\n      if (isFunction(opened)) {\n        later(() => {\n          opened.call(this)\n        }, 310)\n      }\n    }\n\n    return this\n  }\n\n  hide(name) {\n    const closed = this.attr('afterClosed')\n    const button = this.attr('buttons').find((option) => option.name === name)\n    const $el = this.$el\n    let $button\n\n    if (name) {\n      if (!button) {\n        return this\n      }\n      $button = $el.querySelector(`.${name}`)\n      addClass($button, HIDDEN)\n    } else {\n      addClass($el, HIDDEN)\n      this.closed = true\n\n      if (isFunction(closed)) {\n        later(() => {\n          closed.call(this)\n        }, 310)\n      }\n    }\n\n    return this\n  }\n\n  toggle() {\n    if (this.isClosed()) {\n      this.show()\n    } else {\n      this.hide()\n    }\n\n    return this\n  }\n\n  destroy() {\n    const beforeDestroy = this.attr('beforeDestroy')\n    const afterDestroy = this.attr('afterDestroy')\n    let $el = this.$el\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n    document.body.removeChild($el)\n    $el = null\n\n    this.attr(Toolbar.DEFAULTS)\n    this.disabled = false\n    this.closed = false\n    this.buttons = []\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    return this\n  }\n\n  refresh() {\n    const $el = this.$el\n    const buttons = this.attr('buttons') || []\n\n    this.removeListeners()\n    $el.innerHTML = ''\n\n    buttons.forEach((button) => {\n      this.$el.appendChild(_createButton(button))\n    })\n\n    this.addListeners()\n\n    return this\n  }\n\n  addListeners() {\n    const buttons = this.attr('buttons')\n    const $el = this.$el\n\n    if (!buttons || buttons.length < 1) {\n      return this\n    }\n\n    buttons.forEach((button) => {\n      const action = button.action\n      const disabled = this.disabled\n      let type\n      let listener\n      let context\n      let command\n\n      if (disabled) {\n        return false\n      }\n\n      if (action) {\n        listener = action.handler\n        if (isString(listener)) {\n          command = listener\n          action.handler = function () {\n            this.$emit(command, button.name)\n          }\n          listener = action.handler\n        }\n\n        type = action.type || 'click'\n        context = action.context\n      }\n\n      if (isFunction(listener)) {\n        on($el, `.${button.name}`, type, listener, context || this, true)\n      }\n    })\n\n    return this\n  }\n\n  removeListeners() {\n    const buttons = this.attr('buttons')\n    const $el = this.$el\n\n    if (!buttons || buttons.length < 1) {\n      return this\n    }\n\n    buttons.forEach((button) => {\n      const action = button.action\n      const disabled = this.disabled\n      let type\n      let listener\n\n      if (disabled) {\n        return false\n      }\n\n      if (action) {\n        listener = action.handler\n        type = action.type || 'click'\n      }\n\n      if (isFunction(listener)) {\n        off($el, type, listener)\n      }\n    })\n\n    return this\n  }\n}\n\nToolbar.DEFAULTS = {\n  placement: 'ltr',\n  closed: false,\n  disabled: false,\n  rounded: true,\n  buttons: [],\n  created: null,\n  mounted: null,\n  afterClosed: null,\n  afterOpened: null,\n  afterDisabled: null,\n  afterEnabled: null,\n  beforeDestroy: null,\n  afterDestroy: null\n}\n\nexport default Toolbar\n","import isObject from './isObject'\n\n/**\n * 检测测试数据是否为类似 Object 类型\n * ========================================================================\n * @method isObjectLike\n * @param {Object} val - 要检测的数据\n * @returns {Boolean} 'val' 是类似 Object 类型，返回 true，否则返回 false\n */\nconst isObjectLike = (val) => {\n  return isObject(val) && val !== null\n}\n\nexport default isObjectLike\n","import isObjectLike from './isObjectLike'\n\n/**\n * 检测测试数据是否为普通对象\n * ========================================================================\n * @method isPlainObject\n * @param {Object} val - 要检测的数据\n * @returns {Boolean} 'val' 是普通对象，返回 true，否则返回 false\n */\nconst isPlainObject = (val) => {\n  const getPrototypeOf = Object.getPrototypeOf\n  let proto\n\n  // Detect obvious negatives\n  if (!isObjectLike(val)) {\n    return false\n  }\n\n  proto = val.prototype\n\n  // JavaScript 对象分为两种：普通对象和函数对象\n  // 普通对象：原型是 __proto__，没有 prototype 原型（属性）\n  // 函数对象：原型是 prototype ，prototype 只存在于函数对象上\n  if (!proto) {\n    return true\n  }\n\n  proto = val\n\n  while (getPrototypeOf(proto) !== null) {\n    proto = getPrototypeOf(proto)\n  }\n\n  return getPrototypeOf(val) === proto\n}\n\nexport default isPlainObject\n","/**\r\n * 移除字符串中的 JavaScript 代码\r\n * ====================================================\r\n * @param {String} str\r\n * @returns {String}\r\n */\r\nconst stripScripts = (str) => {\r\n  return str.replace(/]*>.*?<\\/script>/gi, '')\r\n}\r\n\r\nexport default stripScripts\r\n","/**\r\n * 转义字符串中的 HTML 标签\r\n *\r\n * @param {String} str - 需要转义的字符串\r\n * @returns {String}\r\n */\r\nconst encodeHTML = (str) => {\r\n  const CHARTS = {\r\n    '&': '&',\r\n    '<': '<',\r\n    '>': '>',\r\n    \"'\": ''',\r\n    '\"': '"'\r\n  }\r\n\r\n  return str.replace(/[&<>'\"]/g, (tag) => {\r\n    return CHARTS[tag] || tag\r\n  })\r\n}\r\n\r\nexport default encodeHTML\r\n","import isString from './utils/types/isString'\r\nimport isPlainObject from './utils/types/isPlainObject'\r\nimport isFunction from './utils/types/isFunction'\r\n\r\nimport extend from './utils/lang/extend'\r\nimport later from './utils/lang/later'\r\nimport stripScripts from './utils/lang/stripScripts'\r\nimport encodeHTML from './utils/lang/encodeHTML'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport guid from './utils/lang/guid'\r\n\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport setAttribute from './utils/dom/setAttribute'\r\nimport setAttributes from './utils/dom/setAttributes'\r\n\r\nimport icon from './utils/icons/icon'\r\nimport paint from './utils/icons/paint'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\n\r\nimport Base from './base'\r\n\r\nconst TYPES = ['info', 'success', 'warning', 'error']\r\nconst instances = []\r\nlet instance\r\n\r\npaint()\r\n\r\nclass Message extends Base {\r\n  constructor(options) {\r\n    super()\r\n    this.attrs = cloneDeep(Message.DEFAULTS)\r\n\r\n    this.$el = null\r\n    this.id = ''\r\n    this.closed = false\r\n    this.visible = false\r\n    this.offset = -50\r\n    this.timer = null\r\n    this.destroyed = false\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)\r\n    this.id = this.attr('id')\r\n    this.offset = this.attr('offset') || -50\r\n\r\n    this.$emit('created', { ...this.attr() })\r\n\r\n    this.render().addListeners()\r\n\r\n    if (this.attr('visible')) {\r\n      this.open()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  isDestroyed() {\r\n    return this.destroyed\r\n  }\r\n\r\n  _getClassName() {\r\n    const type = this.attr('type')\r\n    const effect = this.attr('effect')\r\n    const round = this.attr('round')\r\n    const closable = this.attr('closable')\r\n    const visible = this.attr('visible')\r\n    const customClass = this.attr('customClass')\r\n    const className = [\r\n      'outline-message',\r\n      `outline-message_${type}`,\r\n      `outline-message_${effect}`\r\n    ]\r\n\r\n    if (round) {\r\n      className.push('outline-message_round')\r\n    }\r\n\r\n    if (!closable) {\r\n      className.push('outline-message_full-width')\r\n    }\r\n\r\n    if (visible) {\r\n      className.push('outline-message_visible')\r\n    }\r\n\r\n    if (customClass) {\r\n      className.push(customClass)\r\n    }\r\n\r\n    return className\r\n  }\r\n\r\n  render() {\r\n    const type = this.attr('type')\r\n    const message = this.attr('message')\r\n    const effect = this.attr('effect')\r\n    const round = this.attr('round')\r\n    const closable = this.attr('closable')\r\n    const dangerouslyUseHTMLString = this.attr('dangerouslyUseHTMLString')\r\n    const className = this._getClassName()\r\n    const iconName = effect === 'light' ? `circle-${type}` : type\r\n    const children = []\r\n    let iconSize = 20\r\n    let $type\r\n    let $message\r\n    let $text\r\n    let $close\r\n    let $el\r\n\r\n    if (round && effect === 'default') {\r\n      iconSize = 12\r\n    }\r\n\r\n    if (effect !== 'plain') {\r\n      $type = icon(iconName, {\r\n        iconSet: 'outline',\r\n        size: iconSize\r\n      })\r\n      addClass($type, 'outline-message__icon')\r\n      children.push($type)\r\n    }\r\n\r\n    if (!dangerouslyUseHTMLString) {\r\n      $text = document.createTextNode(encodeHTML(stripScripts(message)))\r\n    } else {\r\n      $text = document.createDocumentFragment()\r\n      $text.innerHTML = message\r\n    }\r\n    $message = createElement(\r\n      'p',\r\n      {\r\n        className: 'outline-message__content'\r\n      },\r\n      [$text]\r\n    )\r\n    children.push($message)\r\n\r\n    if (closable) {\r\n      $close = icon('close', {\r\n        iconSet: 'outline',\r\n        size: 18\r\n      })\r\n      addClass($close, 'outline-message__close')\r\n      children.push($close)\r\n    }\r\n\r\n    $el = createElement(\r\n      'div',\r\n      {\r\n        className: className.join(' ')\r\n      },\r\n      children\r\n    )\r\n    $el.style.cssText = `top:-50px;`\r\n    this.$el = $el\r\n    document.body.appendChild(this.$el)\r\n\r\n    this.$emit('mounted')\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshIcon() {\r\n    const HIDDEN = '.outline-message_hidden'\r\n    const $el = this.$el\r\n    let iconSize = 20\r\n    let type\r\n    let effect\r\n    let round\r\n    let iconName\r\n    let $icon\r\n    let $svg\r\n    let $use\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    $icon = $el.querySelector('.outline-icon')\r\n\r\n    if (!$icon) {\r\n      return this\r\n    }\r\n\r\n    type = this.attr('type')\r\n    effect = this.attr('effect')\r\n    round = this.attr('round')\r\n\r\n    if (effect === 'plain') {\r\n      addClass($icon, HIDDEN)\r\n    } else {\r\n      removeClass($icon, HIDDEN)\r\n\r\n      if (round && effect === 'default') {\r\n        iconSize = 12\r\n      }\r\n    }\r\n\r\n    $svg = $icon.querySelector('.outline-icon__svg')\r\n    setAttributes($svg, {\r\n      style: `width:${iconSize}px;height:${iconSize}px;`\r\n    })\r\n\r\n    $use = $svg.querySelector('use')\r\n    iconName = effect === 'light' ? `circle-${type}` : type\r\n    setAttribute($use, 'xlink:href', `#outline-icon-${iconName}`)\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshMessage() {\r\n    const $el = this.$el\r\n    let $message\r\n    let dangerouslyUseHTMLString\r\n    let message\r\n    let text\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    $message = $el.querySelector('.outline-message__content')\r\n    dangerouslyUseHTMLString = this.attr('dangerouslyUseHTMLString')\r\n    message = this.attr('message')\r\n\r\n    if (!dangerouslyUseHTMLString) {\r\n      text = encodeHTML(stripScripts(message))\r\n    } else {\r\n      text = message\r\n    }\r\n\r\n    $message.innerHTML = text\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshClose() {\r\n    const HIDDEN = '.outline-message_hidden'\r\n    const $el = this.$el\r\n    let $close\r\n    let closable\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    $close = $el.querySelector('.outline-message__close')\r\n    closable = this.attr('closable')\r\n\r\n    if ($close) {\r\n      if (closable) {\r\n        addClass($close, HIDDEN)\r\n      } else {\r\n        removeClass($close, HIDDEN)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshEl() {\r\n    const $el = this.$el\r\n    let className\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    className = this._getClassName()\r\n    setAttribute($el, 'className', className.join(' '))\r\n\r\n    return this\r\n  }\r\n\r\n  refresh(options) {\r\n    if (!isPlainObject(options)) {\r\n      return this\r\n    }\r\n\r\n    this.attr(options)\r\n      ._refreshIcon()\r\n      ._refreshMessage()\r\n      ._refreshClose()\r\n      ._refreshEl()\r\n\r\n    return this\r\n  }\r\n\r\n  clearTimer() {\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    if (this.timer) {\r\n      clearTimeout(this.timer)\r\n      this.timer = null\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  startTimer(duration) {\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    this.timer = later(() => {\r\n      this.$emit('opened')\r\n      this.close()\r\n    }, duration * 1000)\r\n\r\n    return this\r\n  }\r\n\r\n  open(options) {\r\n    const $el = this.$el\r\n    let offset\r\n    let duration\r\n    let top\r\n    let cssRules\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    if (this.isClosed()) {\r\n      this.refresh(options)\r\n    }\r\n\r\n    offset = this.attr('offset')\r\n    duration = this.attr('duration')\r\n    top = offset && offset >= this.offset ? offset : this.offset\r\n    cssRules = `top:${top}px;`\r\n\r\n    this.clearTimer()\r\n\r\n    this.$emit('beforeOpen')\r\n\r\n    later(() => {\r\n      this.visible = true\r\n\r\n      addClass($el, 'outline-message_visible')\r\n      $el.style.cssText = cssRules\r\n\r\n      if (duration > 0) {\r\n        this.startTimer(duration)\r\n      }\r\n    }, 100)\r\n\r\n    return this\r\n  }\r\n\r\n  close() {\r\n    const $el = this.$el\r\n    const cssRules = `top:-50px;`\r\n    let destroyAfterClosed\r\n    let beforeClose\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    destroyAfterClosed = this.attr('destroyAfterClosed')\r\n    beforeClose = this.attr('beforeClose')\r\n\r\n    if (isFunction(beforeClose)) {\r\n      beforeClose.call(this)\r\n    }\r\n\r\n    $el.style.cssText = cssRules\r\n    removeClass($el, 'outline-message_visible')\r\n\r\n    this.visible = false\r\n    this.closed = true\r\n\r\n    later(() => {\r\n      this.$emit('closed')\r\n\r\n      if (destroyAfterClosed) {\r\n        this.destroy()\r\n      }\r\n    }, 500)\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    this.$emit('beforeDestroy')\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    this.removeListeners()\r\n    document.body.removeChild(this.$el)\r\n\r\n    this.attr(Message.DEFAULTS)\r\n\r\n    this.id = ''\r\n    this.closed = true\r\n    this.visible = false\r\n    this.offset = -50\r\n    clearTimeout(this.timer)\r\n    this.timer = null\r\n    this.destroyed = true\r\n\r\n    this.$el = null\r\n\r\n    this.$emit('afterDestroy')\r\n\r\n    return this\r\n  }\r\n\r\n  onMouseEnter() {\r\n    this.clearTimer()\r\n    return this\r\n  }\r\n\r\n  onMouseLeave() {\r\n    const duration = this.attr('duration')\r\n    const delay = this.attr('delay')\r\n\r\n    if (duration <= 0) {\r\n      return this\r\n    }\r\n\r\n    this.startTimer(delay)\r\n\r\n    return this\r\n  }\r\n\r\n  onClose() {\r\n    this.clearTimer()\r\n    this.close()\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $el = this.$el\r\n\r\n    on(\r\n      $el,\r\n      '.outline-message__content',\r\n      'mouseenter',\r\n      this.onMouseEnter,\r\n      this,\r\n      true\r\n    )\r\n    on(\r\n      $el,\r\n      '.outline-message__content',\r\n      'mouseleave',\r\n      this.onMouseLeave,\r\n      this,\r\n      true\r\n    )\r\n    on($el, '.outline-message__close', 'click', this.onClose, this, true)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $el = this.$el\r\n\r\n    off($el, 'mouseenter', this.onMouseEnter)\r\n    off($el, 'mouseleave', this.onMouseLeave)\r\n    off($el, 'click', this.onClose)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nMessage.DEFAULTS = {\r\n  id: '',\r\n  type: 'info',\r\n  effect: 'default',\r\n  round: false,\r\n  offset: 30,\r\n  duration: 3,\r\n  delay: 2,\r\n  message: '',\r\n  customClass: '',\r\n  closable: true,\r\n  visible: true,\r\n  dangerouslyUseHTMLString: false,\r\n  destroyAfterClosed: true,\r\n  beforeClose: null\r\n}\r\n\r\nTYPES.forEach((type) => {\r\n  Message[type] = (options) => {\r\n    const config = {}\r\n    const id = guid(`outline-message-`)\r\n    const beforeClose = options.beforeClose || null\r\n    let offset = options.offset || 30\r\n\r\n    if (isString(options)) {\r\n      config.message = options\r\n    } else {\r\n      if (isPlainObject(options)) {\r\n        extend(config, options)\r\n      }\r\n    }\r\n    config.id = id\r\n    config.type = type\r\n    config.offset = offset\r\n    config.visible = false\r\n    config.beforeClose = () => {\r\n      Message.close(id, beforeClose)\r\n    }\r\n\r\n    instance = new Message(config)\r\n    instances.forEach((item) => {\r\n      offset += item.$el.offsetHeight + 16\r\n    })\r\n    instance.offset = offset\r\n    instance.open()\r\n    instances.push(instance)\r\n\r\n    return instance\r\n  }\r\n})\r\n\r\n// 关闭指定 id 消息的静态方法\r\nMessage.close = (id, beforeClose) => {\r\n  const len = instances.length\r\n  let index = -1\r\n  let i\r\n  let offsetHeight\r\n\r\n  instances.forEach((instance, i) => {\r\n    // 在 instances 中通过 id 找到要关闭的消息\r\n    if (id === instance.id) {\r\n      offsetHeight = instance.$el.offsetHeight\r\n      index = i\r\n\r\n      // 关闭消息\r\n      if (isFunction(beforeClose)) {\r\n        beforeClose.call(instance)\r\n      }\r\n\r\n      instances.splice(i, 1)\r\n    }\r\n  })\r\n\r\n  if (len <= 1 || index === -1 || index > instances.length - 1) {\r\n    return false\r\n  }\r\n\r\n  i = index\r\n\r\n  // 界面中的消息逐个向上收起\r\n  for (; i < len - 1; i += 1) {\r\n    const dom = instances[i].$el\r\n\r\n    dom.style['top'] = parseInt(dom.style['top'], 10) - offsetHeight - 16 + 'px'\r\n  }\r\n}\r\n\r\n// 关闭所有消息的静态方法\r\nMessage.clear = () => {\r\n  let i = instances.length - 1\r\n  for (; i >= 0; i -= 1) {\r\n    instances[i].close()\r\n  }\r\n}\r\n\r\nexport default Message\r\n","import isString from './utils/types/isString'\r\nimport isElement from './utils/types/isElement'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport later from './utils/lang/later'\r\nimport icon from './utils/icons/icon'\r\n\r\nconst _updateSiblingElements = (siblingElement, isPrev) => {\r\n  let tagName\r\n  let $sibling = siblingElement\r\n\r\n  while ($sibling) {\r\n    tagName = $sibling.tagName.toLowerCase()\r\n\r\n    if (tagName !== 'script' && tagName !== 'style') {\r\n      addClass($sibling, 'outline-print_sibling')\r\n    }\r\n\r\n    if (isPrev) {\r\n      $sibling = $sibling.previousElementSibling\r\n    } else {\r\n      $sibling = $sibling.nextElementSibling\r\n    }\r\n  }\r\n}\r\n\r\nconst paintPrint = (el, title) => {\r\n  const $fragment = document.createDocumentFragment()\r\n  let text = title\r\n  let $el\r\n  let $wrapper\r\n  let $article\r\n  let $title\r\n  let $sibling\r\n  let $icon\r\n  let $children\r\n\r\n  if (isString(el)) {\r\n    $el = document.querySelector(el)\r\n  } else if (isElement(el)) {\r\n    $el = el\r\n  }\r\n\r\n  if (!$el) {\r\n    return false\r\n  }\r\n\r\n  $icon = icon('close', {\r\n    iconSet: 'outline',\r\n    size: 20,\r\n    attrs: {\r\n      className: 'outline-print__close'\r\n    }\r\n  })\r\n\r\n  $title = $el.querySelector('h1')\r\n\r\n  if (isElement(title)) {\r\n    $title = title\r\n  }\r\n\r\n  if (isElement($title)) {\r\n    text = $title.innerText\r\n  }\r\n\r\n  $title = createElement(\r\n    'h1',\r\n    {\r\n      className: 'outline-print__title'\r\n    },\r\n    text\r\n  )\r\n\r\n  $article = createElement('article', {\r\n    id: 'outline-print__article',\r\n    className: 'outline-print__article'\r\n  })\r\n\r\n  $wrapper = createElement(\r\n    'section',\r\n    {\r\n      id: 'outline-print',\r\n      className: 'outline-print'\r\n    },\r\n    [$icon, $title, $article]\r\n  )\r\n  document.body.appendChild($wrapper)\r\n\r\n  later(() => {\r\n    // 设置邻居节点的打印样式\r\n    $sibling = $wrapper.previousElementSibling\r\n    _updateSiblingElements($sibling, true)\r\n\r\n    $sibling = $wrapper.nextElementSibling\r\n    _updateSiblingElements($sibling)\r\n\r\n    // 克隆文章内容\r\n    $children = $el.cloneNode(true).childNodes\r\n    $children.forEach(($child) => {\r\n      $fragment.appendChild($child)\r\n    })\r\n    $article.appendChild($fragment)\r\n  })\r\n}\r\n\r\nexport default paintPrint\r\n","import later from './utils/lang/later'\nimport cloneDeep from './utils/lang/cloneDeep'\nimport isFunction from './utils/types/isFunction'\nimport isString from './utils/types/isString'\nimport isElement from './utils/types/isElement'\nimport addClass from './utils/dom/addClass'\nimport removeClass from './utils/dom/removeClass'\nimport scrollTo from './utils/dom/scrollTo'\nimport _getScrollElement from './utils/dom/_getScrollElement'\nimport at from './utils/event/at'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport stop from './utils/event/stop'\n\nimport Base from './base'\nimport Anchors from './anchors'\nimport Drawer from './drawer'\nimport Chapters from './chapters'\nimport Toolbar from './toolbar'\nimport Message from './message'\nimport paintPrint from './print'\n\nconst ENTER_READING_TIP = '进入阅读模式，按 ESC 键可退出阅读模式'\n\nclass Outline extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Outline.DEFAULTS)\n    this.anchors = null\n    this.drawer = null\n    this.chapters = null\n    this.toolbar = null\n    this.buttons = []\n    this.reading = false\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    this.attr(options)\n    this.$emit('created', { ...this.attr() })\n    this.render().addListeners()\n    return this\n  }\n\n  getChapters(isTreeStructured = false) {\n    return this.anchors.getChapters(isTreeStructured)\n  }\n\n  count() {\n    return this.anchors.count()\n  }\n\n  render() {\n    const scrollElement = this.attr('scrollElement')\n    const $scrollElement = document.querySelector(scrollElement)\n\n    this._renderPrint()._renderAnchors()._renderChapters()._renderToolbar()\n\n    if ($scrollElement) {\n      this.onToolbarUpdate({\n        top: $scrollElement.scrollTop,\n        min: 0,\n        max: $scrollElement.scrollHeight\n      })\n    }\n\n    this.$emit('mounted')\n\n    return this\n  }\n\n  _renderPrint() {\n    const option = this.attr('print')\n    const articleElement = this.attr('articleElement')\n    let $articleElement\n    let $print\n    let element\n\n    if (!option.element) {\n      return this\n    }\n\n    if (isString(articleElement)) {\n      $articleElement = document.querySelector(articleElement)\n    } else if (isElement(articleElement)) {\n      $articleElement = articleElement\n    }\n\n    addClass($articleElement, 'outline-article')\n\n    element = option.element\n\n    if (isString(element)) {\n      $print = document.querySelector(element)\n    } else if (isElement(element)) {\n      $print = element\n    }\n\n    paintPrint($print, option.title)\n\n    return this\n  }\n\n  _renderAnchors() {\n    const articleElement = this.attr('articleElement')\n    const selector = this.attr('selector')\n    const stickyHeight = this.attr('stickyHeight')\n    const scrollElement = this.attr('scrollElement')\n    const showCode = this.attr('showCode')\n    const anchorURL = this.attr('anchorURL')\n    const afterScroll = this.attr('afterScroll')\n    const chapterTextFilter = this.attr('chapterTextFilter')\n\n    this.anchors = new Anchors({\n      articleElement,\n      stickyHeight,\n      scrollElement,\n      selector,\n      showCode,\n      anchorURL,\n      afterScroll,\n      chapterTextFilter\n    })\n\n    return this\n  }\n\n  _renderChapters() {\n    const title = this.attr('title')\n    const stickyHeight = this.attr('stickyHeight')\n    const scrollElement = this.attr('scrollElement')\n    const customClass = this.attr('customClass')\n    const showCode = this.attr('showCode')\n    const animationCurrent = this.attr('animationCurrent')\n    const position = this.attr('position')\n    const placement = this.attr('placement')\n    const afterSticky = this.attr('afterSticky')\n    const afterToggle = this.attr('afterToggle')\n    const afterScroll = this.attr('afterScroll')\n    const count = this.count()\n    let parentElement = this.attr('parentElement')\n    let CHAPTERS_OPTIONS\n\n    if (count < 1) {\n      return this\n    }\n\n    CHAPTERS_OPTIONS = {\n      scrollElement,\n      showCode,\n      animationCurrent,\n      position,\n      title,\n      stickyHeight,\n      chapters: this.getChapters(),\n      afterSticky,\n      afterToggle,\n      afterScroll\n    }\n\n    if (position === 'relative') {\n      this.drawer = new Drawer({\n        placement,\n        title,\n        size: 'tiny',\n        hasOffset: true,\n        hasPadding: false,\n        customClass,\n        afterClosed: () => {\n          const toolbar = this.toolbar\n          toolbar.toggle()\n        }\n      })\n      parentElement = this.drawer.$main\n    } else {\n      CHAPTERS_OPTIONS.customClass = customClass\n    }\n\n    CHAPTERS_OPTIONS.parentElement = parentElement\n    this.chapters = new Chapters(CHAPTERS_OPTIONS)\n\n    return this\n  }\n\n  _renderToolbar() {\n    const placement = this.attr('placement')\n    const homepage = this.attr('homepage')\n    const git = this.attr('git')\n    const tags = this.attr('tags')\n    const issues = this.attr('issues')\n    const tools = this.attr('tools')\n    const option = this.attr('print')\n    const count = this.count()\n    const UP = {\n      name: 'up',\n      icon: 'up',\n      size: 20,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:up'\n      }\n    }\n    const HOME = {\n      name: 'homepage',\n      icon: 'homepage',\n      size: 20,\n      link: homepage\n    }\n    const GIT = {\n      name: 'github',\n      icon: 'github',\n      size: 20,\n      link: git\n    }\n    const TAGS = {\n      name: 'tags',\n      icon: 'tags',\n      size: 20,\n      link: tags\n    }\n    const ISSUES = {\n      name: 'issues',\n      icon: 'issues',\n      size: 20,\n      link: issues\n    }\n    const MENU = {\n      name: 'menu',\n      icon: 'menu',\n      size: 18,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:toggle'\n      }\n    }\n    const READING = {\n      name: 'reading',\n      icon: 'file',\n      size: 18,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:reading'\n      }\n    }\n    const PRINT = {\n      name: 'print',\n      icon: 'print',\n      size: 20,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:print'\n      }\n    }\n    const DOWN = {\n      name: 'down',\n      icon: 'down',\n      size: 20,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:down'\n      }\n    }\n    const buttons = []\n\n    buttons.push(UP)\n    if (count > 0) {\n      buttons.push(MENU)\n    }\n    if (homepage) {\n      buttons.push(HOME)\n    }\n    if (git) {\n      buttons.push(GIT)\n    }\n    if (tags) {\n      buttons.push(TAGS)\n    }\n    if (issues) {\n      buttons.push(ISSUES)\n    }\n    if (option.element) {\n      buttons.push(READING)\n      if (isFunction(print)) {\n        buttons.push(PRINT)\n      }\n    }\n    if (tools?.length > 0) {\n      buttons.push(...tools)\n    }\n    buttons.push(DOWN)\n    this.buttons = [...buttons]\n\n    this.toolbar = new Toolbar({\n      placement,\n      buttons\n    })\n\n    return this\n  }\n\n  addButton(button) {\n    const toolbar = this.toolbar\n    const buttons = this.buttons\n    buttons.splice(-1, 0, button)\n    toolbar.attr({\n      buttons\n    })\n    toolbar.refresh()\n    return this\n  }\n\n  removeButton(name) {\n    this.toolbar.remove(name)\n    return this\n  }\n\n  toTop() {\n    const afterScroll = this.attr('afterScroll')\n    const toolbar = this.toolbar\n    const chapters = this.chapters\n    const count = this.count()\n    const afterTop = () => {\n      toolbar.hide('up')\n      toolbar.show('down')\n\n      if (count > 0) {\n        chapters.highlight(0)\n        chapters.playing = false\n      }\n\n      if (isFunction(afterScroll)) {\n        afterScroll.call(toolbar, 'up')\n      }\n    }\n\n    if (count > 0) {\n      chapters.playing = true\n    }\n    this.scrollTo(0, afterTop)\n\n    return this\n  }\n\n  toBottom() {\n    const afterScroll = this.attr('afterScroll')\n    const $scrollElement = _getScrollElement(this.attr('scrollElement'))\n    const toolbar = this.toolbar\n    const chapters = this.chapters\n    const count = this.count()\n    const top = Math.floor(\n      $scrollElement.scrollHeight - $scrollElement.clientHeight\n    )\n    const afterDown = () => {\n      toolbar.hide('down')\n      toolbar.show('up')\n\n      if (count > 0) {\n        chapters.highlight(count - 1)\n        chapters.playing = false\n      }\n\n      if (isFunction(afterScroll)) {\n        afterScroll.call(toolbar, 'bottom')\n      }\n    }\n\n    if (count > 0) {\n      chapters.playing = true\n    }\n    this.scrollTo(top, afterDown)\n\n    return this\n  }\n\n  scrollTo(top, afterScroll) {\n    const scrollElement = this.attr('scrollElement')\n    scrollTo(scrollElement, top, afterScroll)\n    return this\n  }\n\n  enterReading() {\n    const READING = 'outline-reading'\n    const HIDDEN = `${READING}_hidden`\n    const $reading = document.querySelector('#outline-print')\n    const $siblings = document.querySelectorAll('.outline-print_sibling')\n    const options = this.attr('print')\n    const enterReadingTip = options.enterReadingTip || ENTER_READING_TIP\n\n    if (this.reading || !$reading) {\n      return this\n    }\n\n    $siblings.forEach(($sibling) => {\n      addClass($sibling, HIDDEN)\n    })\n    addClass($reading, READING)\n    this.reading = true\n\n    this.toolbar.toggle()\n\n    Message.info({\n      round: true,\n      message: enterReadingTip\n    })\n\n    this.$emit('enterReading')\n\n    return this\n  }\n\n  exitReading() {\n    const READING = 'outline-reading'\n    const HIDDEN = `${READING}_hidden`\n    const $reading = document.querySelector('#outline-print')\n    const $siblings = document.querySelectorAll('.outline-print_sibling')\n\n    if (!this.reading || !$reading) {\n      return this\n    }\n\n    removeClass($reading, READING)\n    $siblings.forEach(($sibling) => {\n      removeClass($sibling, HIDDEN)\n    })\n    this.reading = false\n\n    this.toolbar.toggle()\n\n    this.$emit('exitReading')\n\n    return this\n  }\n\n  switchReading() {\n    const $print = document.querySelector('#outline-print')\n\n    if (!$print) {\n      return this\n    }\n\n    if (!this.reading) {\n      this.enterReading()\n    } else {\n      this.exitReading()\n    }\n\n    return this\n  }\n\n  toggle() {\n    const position = this.attr('position')\n    const toolbar = this.toolbar\n    const drawer = this.drawer\n    const chapters = this.chapters\n    const count = this.count()\n\n    if (count < 1) {\n      return this\n    }\n\n    if (position !== 'relative') {\n      chapters.toggle()\n      toolbar.highlight('menu')\n    } else {\n      toolbar.toggle()\n\n      later(() => {\n        drawer.toggle()\n      })\n    }\n\n    return this\n  }\n\n  print() {\n    if (!isFunction(print)) {\n      return this\n    }\n\n    print()\n\n    return this\n  }\n\n  destroy() {\n    let anchors = this.anchors\n    let chapters = this.chapters\n    let drawer = this.drawer\n    let toolbar = this.toolbar\n    let isOutside = false\n    const count = this.count()\n    const $print = document.querySelector('#outline-print')\n\n    this.$emit('beforeDestroy')\n\n    this.removeListeners()\n\n    if ($print) {\n      document.body.removeChild($print)\n    }\n\n    if (count > 0) {\n      isOutside = chapters.isOutside()\n\n      chapters.destroy()\n      chapters = null\n\n      if (isOutside) {\n        drawer.destroy()\n        drawer = null\n      }\n    }\n\n    toolbar.destroy()\n    toolbar = null\n\n    anchors.destroy()\n    anchors = null\n\n    this.attr(Outline.DEFAULTS)\n\n    this.$emit('destroyed')\n\n    return this\n  }\n\n  onToggle() {\n    this.toggle()\n    return this\n  }\n\n  onScrollTop() {\n    this.toTop()\n    return this\n  }\n\n  onScrollBottom() {\n    this.toBottom()\n    return this\n  }\n\n  onEnterReading() {\n    this.switchReading()\n    return this\n  }\n\n  onExitReading(evt) {\n    const keyCode = evt.keyCode\n\n    if (keyCode === 27 && this.reading) {\n      this.switchReading()\n      stop(evt)\n    }\n\n    return this\n  }\n\n  onPrint() {\n    this.print()\n\n    return this\n  }\n\n  onToolbarUpdate({ top, min, max }) {\n    const toolbar = this.toolbar\n    const current = Math.ceil(top)\n\n    if (current <= min) {\n      toolbar.hide('up')\n      toolbar.show('down')\n    } else if (current >= max) {\n      toolbar.hide('down')\n      toolbar.show('up')\n    } else if (current > min && current < max) {\n      toolbar.show('up')\n      toolbar.show('down')\n    }\n\n    return this\n  }\n\n  addListeners() {\n    const $print = document.querySelector('#outline-print')\n\n    this.$on('toolbar:update', this.onToolbarUpdate)\n    this.$on('toolbar:action:up', this.onScrollTop)\n    this.$on('toolbar:action:toggle', this.onToggle)\n    this.$on('toolbar:action:reading', this.onEnterReading)\n    this.$on('toolbar:action:down', this.onScrollBottom)\n\n    if ($print) {\n      at(document, 'keyup', this.onExitReading, this, true)\n      on($print, '.outline-print__close', 'click', this.exitReading, this, true)\n      this.$on('toolbar:action:print', this.onPrint)\n    }\n\n    return this\n  }\n\n  removeListeners() {\n    const $print = document.querySelector('#outline-print')\n\n    this.$off('toolbar:update')\n    this.$off('toolbar:action:up')\n    this.$off('toolbar:action:toggle')\n    this.$off('toolbar:action:down')\n\n    if ($print) {\n      off(document, 'keyup', this.onExitReading)\n      off($print, 'click', this.exitReading)\n      this.$off('toolbar:action:print')\n    }\n\n    return this\n  }\n}\n\nOutline.DEFAULTS = {\n  articleElement: '#article',\n  selector: 'h2,h3,h4,h5,h6',\n  title: '目录',\n  scrollElement: 'html,body',\n  position: 'relative',\n  parentElement: '#aside',\n  placement: 'rtl',\n  animationCurrent: true,\n  showCode: true,\n  anchorURL: '',\n  stickyHeight: 0,\n  homepage: '',\n  git: '',\n  tags: '',\n  issues: '',\n  tools: [],\n  print: {\n    element: '',\n    title: '',\n    enterReadingTip: ENTER_READING_TIP\n  },\n  customClass: '',\n  afterSticky: null,\n  afterToggle: null,\n  afterScroll: null,\n  chapterTextFilter: null\n}\n\nif (window.jQuery) {\n  // 将 Outline 扩展为一个 jquery 插件\n  // eslint-disable-next-line no-undef\n  jQuery.extend(jQuery.fn, {\n    outline: function (options) {\n      // eslint-disable-next-line no-undef\n      let $article = jQuery(this)\n\n      return new Outline(\n        // eslint-disable-next-line no-undef\n        jQuery.extend({}, options, {\n          articleElement: $article\n        })\n      )\n    }\n  })\n}\n\nexport default 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\ No newline at end of file
+{"version":3,"file":"outline.min.js","sources":["utils/lang/toString.js","utils/types/isFunction.js","utils/lang/later.js","utils/types/isObject.js","utils/types/isArray.js","utils/lang/cloneDeep.js","utils/types/isString.js","utils/types/isElement.js","utils/dom/hasClass.js","utils/dom/addClass.js","utils/lang/trim.js","utils/dom/removeClass.js","utils/lang/easeInQuad.js","utils/dom/_getScrollElement.js","utils/dom/scrollTo.js","utils/event/enum.js","utils/event/_off.js","utils/event/_delete.js","utils/event/purgeElement.js","utils/event/getListeners.js","utils/event/off.js","utils/event/at.js","utils/dom/matches.js","utils/dom/getParentOrHost.js","utils/event/on.js","utils/event/getTarget.js","utils/dom/resolveTextNode.js","utils/dom/closest.js","utils/event/stop.js","utils/lang/hasOwn.js","utils/lang/extend.js","utils/observer/_subscribers.js","utils/observer/_hasDirectSubscribersFor.js","utils/observer/has.js","utils/observer/_hasSubscribers.js","utils/observer/emit.js","utils/types/isTypedArray.js","utils/lang/guid.js","utils/observer/_removeSubscriber.js","utils/observer/off.js","utils/observer/_removeSubscriberByToken.js","base.js","utils/observer/on.js","utils/lang/timeSlice.js","utils/dom/offsetTop.js","utils/icons/symbols.js","utils/icons/defaults.js","utils/icons/getSymbols.js","utils/icons/getSymbol.js","utils/icons/paint.js","utils/icons/add.js","utils/types/isDOM.js","utils/types/isHTMLCollection.js","utils/types/isFragment.js","utils/types/isTextNode.js","utils/dom/setAttribute.js","utils/dom/setAttributes.js","utils/dom/createElement.js","utils/icons/createElement.js","utils/types/isSVG.js","utils/icons/icon.js","_resetHeading.js","utils/types/isEmpty.js","getChapters.js","utils/lang/stripTags.js","_getChapterParentIdByDiffer.js","_getChaptersWithCode.js","anchors.js","utils/lang/toTree.js","_updateHeading.js","utils/dom/setProperty.js","zIndex.js","drawer.js","utils/dom/intersection.js","utils/dom/getStyle.js","chapters.js","_paintChapters.js","_createButton.js","toolbar.js","utils/types/isObjectLike.js","utils/types/isPlainObject.js","utils/lang/stripScripts.js","utils/lang/encodeHTML.js","message.js","print.js","outline.js"],"sourcesContent":["/**\n * Object 对象原型上的 toString 方法\n * ========================================================================\n * @method toString\n * @param {*} val\n * @returns {string}\n */\nconst toString = (val) => {\n  return Object.prototype.toString.apply(val)\n}\n\nexport default toString\n","import toString from '../lang/toString'\n\n/**\n * 检测测试数据是否为 Function 类型\n * ========================================================================\n * @method isFunction\n * @param {*} val - （必须）待检测的数据\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\n */\nconst isFunction = (val) => {\n  return typeof val === 'function' || toString(val) === '[object Function]'\n}\n\nexport default isFunction\n","import isFunction from '../types/isFunction'\n\n/**\n * later - 延迟执行方法\n * ========================================================================\n * @method later\n * @param {Function} fn\n * @param {Number} [delay]\n * @returns {number|boolean}\n */\nconst later = (fn, delay = 300) => {\n  if (!isFunction(fn)) {\n    return false\n  }\n\n  return setTimeout(() => {\n    fn()\n  }, delay)\n}\n\nexport default later\n","import toString from '../lang/toString'\nimport isFunction from './isFunction'\n\n/**\n * 检测数据是否为 Object 类型\n * ========================================================================\n * @method isObject\n * @param {*} o\n * @returns {boolean}\n */\nconst isObject = (o) => {\n  return (\n    (toString(o) === '[object Object]' ||\n      typeof o === 'object' ||\n      isFunction(o)) &&\n    o !== null\n  )\n}\n\nexport default isObject\n","import toString from '../lang/toString'\n\n/**\n * 检测数据是否为 Array 类型\n * ========================================================================\n * @method isArray\n * @param {*} o\n * @returns {boolean}\n */\nconst isArray = (o) => {\n  if (Array.isArray) {\n    return Array.isArray(o)\n  } else {\n    return toString(o) === '[object Array]'\n  }\n}\n\nexport default isArray\n","import isObject from '../types/isObject'\r\nimport isArray from '../types/isArray'\r\n\r\n/**\r\n * 深拷贝对象函数\r\n * ========================================================================\r\n * @methods cloneDeep\r\n * @param {Object} obj - 深拷贝的对象\r\n * @returns {Array|Object|*}\r\n *\r\n * @example\r\n * const arr = cloneDeep([2,3,4,6])\r\n * => [2,3,4,6]\r\n */\r\nconst cloneDeep = (obj) => {\r\n  let clone = {}\r\n\r\n  if (obj === null) {\r\n    return null\r\n  }\r\n\r\n  if (isArray(obj)) {\r\n    clone = Array.from(obj)\r\n  } else {\r\n    clone = Object.assign({}, obj)\r\n    Object.keys(clone).forEach((key) => {\r\n      return (clone[key] = isObject(obj[key]) ? cloneDeep(obj[key]) : obj[key])\r\n    })\r\n  }\r\n\r\n  return clone\r\n}\r\n\r\nexport default cloneDeep\r\n","/**\n * 检测数据是否为 String 类型\n * ========================================================================\n * @method isArray\n * @param {*} str\n * @returns {boolean}\n */\nconst isString = (str) => {\n  return typeof str === 'string'\n}\n\nexport default isString\n","import isObject from './isObject'\n\n/**\n * 检测数据是否为 HTMLElement DOM 节点\n * ========================================================================\n * @method isElement\n * @param {*} o\n * @returns {boolean}\n */\nconst isElement = (o) => {\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\n}\n\nexport default isElement\n","import isElement from '../types/isElement'\n/**\n * 检测 DOM 节点是否包含名为 className 的样式\n * ========================================================================\n * @method hasClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst hasClass = (el, className) => {\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\n  let allClass\n  let classList\n\n  if (!isElement(el)) {\n    return false\n  }\n\n  allClass = el.className\n\n  if (!allClass) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.contains) {\n    return el.classList.contains(className)\n  }\n\n  return !!pattern.exec(allClass)\n}\n\nexport default hasClass\n","import hasClass from './hasClass'\n\n/**\n * 给 DOM 节点添加名为 className 的样式\n * ========================================================================\n * @method addClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst addClass = (el, className) => {\n  let classList\n  let allClass\n\n  if (hasClass(el, className)) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.add) {\n    classList.add(className)\n  } else {\n    allClass = el.className\n    allClass += allClass.length > 0 ? ' ' + className : className\n    el.className = allClass\n  }\n}\n\nexport default addClass\n","import isString from '../types/isString'\n\n/**\n * 清楚字符串起始位置所有的空格\n * ========================================================================\n * @method trim\n * @param {string} str\n * @returns {string|Boolean}\n */\nconst trim = (str) => {\n  if (!isString(str)) {\n    return false\n  }\n  return str.replace(/(^\\s+)|(\\s+$)/g, '')\n}\n\nexport default trim\n","import trim from '../lang/trim'\nimport hasClass from './hasClass'\n\n/**\n * 移除 DOM 节点的 className 样式\n * ========================================================================\n * @method removeClass\n * @param {HTMLElement} el - DOM 节点\n * @param {String} className - 样式名称\n * @returns {Boolean}\n */\nconst removeClass = (el, className) => {\n  let allClass = el.className\n  let classList\n\n  if (!allClass || !hasClass(el, className)) {\n    return false\n  }\n\n  classList = el.classList\n\n  if (classList?.remove) {\n    classList.remove(className)\n  } else {\n    allClass = trim(allClass.replace(className, ''))\n    el.className = allClass\n  }\n}\n\nexport default removeClass\n","/**\n * 返回给定值的平方值\n * ========================================================================\n * @method easeInQuad\n * @param {Number} x\n * @returns {number}\n */\nconst easeInQuad = (x) => {\n  return x * x\n}\n\nexport default easeInQuad\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\n\n/**\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\n * ========================================================================\n * @method _getScrollElement\n * @param {String|HTMLElement} scrollElement\n * @returns {Element}\n * @private\n */\nconst _getScrollElement = (scrollElement = null) => {\n  let $rootElements\n  let $scrollElement\n\n  if (!scrollElement) {\n    $rootElements = document.querySelectorAll('html,body')\n    $scrollElement =\n      $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\n        ? $rootElements[0]\n        : $rootElements[1]\n  } else {\n    if (isString(scrollElement)) {\n      $scrollElement = document.querySelector(scrollElement)\n    } else if (isElement(scrollElement)) {\n      $scrollElement = scrollElement\n    }\n  }\n\n  return $scrollElement\n}\n\nexport default _getScrollElement\n","import easeInQuad from '../lang/easeInQuad'\nimport isFunction from '../types/isFunction'\nimport _getScrollElement from './_getScrollElement'\n\n/**\n * 指定 rootElement DOM 节点滚动到指定 top 位置\n * ========================================================================\n * @method scrollTo\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\n * @param {Number} top - （必须）滚动的 scrollTop 数值\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\n */\nconst scrollTo = (scrollElement, top, afterStop) => {\n  const $scrollElement = _getScrollElement(scrollElement)\n  let scrollTop = $scrollElement.scrollTop\n  let step = 0\n  const distance = top - scrollTop\n  const MAX_HEIGHT = $scrollElement.scrollHeight\n  const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\n  const stop = (top) => {\n    if (isFunction(afterStop)) {\n      afterStop(top)\n    }\n\n    return false\n  }\n  const play = () => {\n    step += 1\n\n    // 向上滚动\n    if (distance < 0) {\n      scrollTop -= easeInQuad(step)\n      $scrollElement.scrollTop = scrollTop\n\n      if (scrollTop <= top) {\n        $scrollElement.scrollTop = top\n        return stop(top)\n      }\n    } else {\n      scrollTop += easeInQuad(step)\n      $scrollElement.scrollTop = scrollTop\n\n      if (scrollTop >= MAX_TOP) {\n        $scrollElement.scrollTop = MAX_TOP\n        return stop(MAX_TOP)\n      }\n    }\n\n    requestAnimationFrame(play)\n  }\n\n  requestAnimationFrame(play)\n}\n\nexport default scrollTo\n","export const CAPTURE_EVENTS = [\n  'focusout',\n  'blur',\n  'focusin',\n  'focus',\n  'load',\n  'unload',\n  'mouseenter',\n  'mouseleave'\n]\n","import { CAPTURE_EVENTS } from './enum'\nimport _delete from './_delete'\n\n/**\n * （私有方法）取消 type 类型的代理事件绑定\n * ========================================================================\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\n * ========================================================================\n * @method _off\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} fn - （必须）事件处理器回调函数\n * @private\n */\nconst _off = (el, type, fn) => {\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n  /* istanbul ignore else */\n  if (fn._delegateListener) {\n    fn = fn._delegateListener\n    delete fn._delegateListener\n  }\n\n  // 移除缓存的 _listeners 数据\n  _delete(el, type, fn)\n\n  el.removeEventListener(type, fn, capture)\n}\n\nexport default _off\n","/**\n * 删除 DOM 元素缓存的 _listeners 数据\n * ========================================================================\n * @method _delete\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\n * @param {String} type - 事件类型（名称）\n * @param {Function} [fn] - 事件处理器回调函数\n */\nconst _delete = function (el, type, fn) {\n  const listeners = el._listeners\n  let index = -1\n\n  if (listeners.length < 1) {\n    return false\n  }\n\n  // 移除缓存的 _listeners 数据\n  listeners.forEach((listener, i) => {\n    const handler = listener.fn\n\n    if (type === listener.type) {\n      index = i\n\n      if (handler === fn) {\n        index = i\n      }\n    }\n  })\n\n  /* istanbul ignore else */\n  if (index > -1) {\n    listeners.splice(index, 1)\n  }\n}\n\nexport default _delete\n","import isString from '../types/isString'\nimport isElement from '../types/isElement'\nimport getListeners from './getListeners'\nimport _off from './_off'\n\n/**\n * 销毁（type 类型的）代理事件绑定\n * ========================================================================\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\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\n * ========================================================================\n * @method purgeElement\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\n * @param {String|Boolean} type - （必须）事件类型\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\n */\nconst purgeElement = function (el, type, recurse = false) {\n  const $element = isString(el) ? document.querySelector(el) : el\n  const $children = $element.childNodes\n  const listeners = getListeners($element, type)\n\n  listeners.forEach((listener) => {\n    _off($element, listener.type, listener.fn)\n  })\n\n  if (\n    (recurse || type === true || arguments.length === 1) &&\n    $element &&\n    $children\n  ) {\n    $children.forEach(($child) => {\n      if (isElement($child)) {\n        purgeElement($child, type, recurse)\n      }\n    })\n  }\n}\n\nexport default purgeElement\n","import isString from '../types/isString'\n\n/**\n * 获取 DOM 元素（type 事件类型）事件绑定信息\n * ========================================================================\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\n * ========================================================================\n * @methods getListeners\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\n * @param {String} [type] - （可选）事件类型\n * @returns {Array} - 已绑定的事件信息\n */\nconst getListeners = (el, type) => {\n  let listeners = el._listeners || []\n\n  if (isString(type) && type) {\n    listeners = listeners.filter((listener) => {\n      return listener.type === type\n    })\n  }\n\n  return listeners\n}\n\nexport default getListeners\n","import purgeElement from './purgeElement'\nimport isFunction from '../types/isFunction'\nimport _off from './_off'\n\n/**\n * 取消 type 类型的代理事件绑定\n * ========================================================================\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\n * ========================================================================\n * @method off\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\n * @param {String} type - （必须）事件类型\n * @param {Function} [fn] - （可选）事件处理器回调函数\n */\nconst off = (el, type, fn) => {\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\n  if (!isFunction(fn)) {\n    return purgeElement(el, type)\n  }\n\n  _off(el, type, fn)\n}\n\nexport default off\n","import isFunction from '../types/isFunction'\nimport off from './off'\n\nimport { CAPTURE_EVENTS } from './enum'\n\n/**\n * 绑定事件\n * ========================================================================\n * @method at\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\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\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，\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\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\n * @param {Boolean} once - （可选）是否仅触发一次\n */\nconst at = (el, type, fn, data, context, once = false) => {\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n  const listener = function (evt) {\n    let overrideContext = context || el\n\n    // 当设置为 true 时，则事件处理器回调函数的\n    // this 上下文指向为 data 对象\n    if (context === true) {\n      overrideContext = data\n    }\n\n    // 仅触发一次\n    /* istanbul ignore else */\n    if (once === true) {\n      off(el, type, listener)\n    }\n\n    fn.call(overrideContext, evt, data)\n  }\n\n  if (!isFunction(fn)) {\n    return false\n  }\n\n  if (!el._listeners) {\n    el._listeners = []\n  }\n\n  // 缓存 options 元素绑定的事件处理器\n  el._listeners.push({\n    el,\n    type,\n    fn: listener,\n    data,\n    context,\n    capture\n  })\n\n  // 缓存包装后的事件处理器\n  fn._delegateListener = listener\n\n  el.addEventListener(type, listener, capture)\n}\n\nexport default at\n","/**\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\n * ========================================================================\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\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\n * 标 DOM 元素是否为事件代理所期望触发的目标。\n * ========================================================================\n * @method matches\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\n * @returns {Boolean}\n */\nconst matches = (el, selector = '') => {\n  const sel = selector.replace(/^>/i, '')\n\n  if (!selector || !sel || !el) {\n    return false\n  }\n\n  /* istanbul ignore else */\n  if (el.matches) {\n    return el.matches(sel)\n  } else if (el.msMatchesSelector) {\n    return el.msMatchesSelector(sel)\n  } else {\n    return false\n  }\n}\n\nexport default matches\n","/**\n * 获取 DOM 元素的父节点\n * ========================================================================\n * @method getParentOrHost\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\n * @returns {*|HTMLElement}\n */\nconst getParentOrHost = (el) => {\n  return el.host && el !== document && el.host.nodeType\n    ? el.host\n    : el.parentNode\n}\n\nexport default getParentOrHost\n","import closest from '../dom/closest'\nimport off from './off'\nimport getTarget from './getTarget'\n\nimport { CAPTURE_EVENTS } from './enum'\n\n/**\n * 绑定代理事件\n * ========================================================================\n * @method on\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\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\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，\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\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\n * @param {Boolean} once - （可选）是否仅触发一次\n */\nconst on = (el, selector, type, fn, data, context, once = false) => {\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\n\n  const listener = function (evt) {\n    const target = getTarget(evt)\n    // 通过 Element.matches 方法获得点击的目标元素\n    const delegateTarget = closest(target, selector, el)\n    let overrideContext = context || el\n\n    evt.delegateTarget = delegateTarget\n\n    // 当设置为 true 时，则事件处理器回调函数的\n    // this 上下文指向为 data 对象\n    if (context === true) {\n      overrideContext = data\n    }\n\n    /* istanbul ignore else */\n    if (delegateTarget) {\n      // 仅触发一次\n      /* istanbul ignore else */\n      if (once === true) {\n        off(el, type, listener)\n      }\n\n      fn.call(overrideContext, evt, data)\n    }\n  }\n\n  if (!el._listeners) {\n    el._listeners = []\n  }\n\n  // 缓存 options 元素绑定的事件处理器\n  el._listeners.push({\n    el,\n    selector,\n    type,\n    fn: listener,\n    data,\n    context,\n    capture\n  })\n\n  // 缓存包装后的事件处理器\n  fn._delegateListener = listener\n\n  el.addEventListener(type, listener, capture)\n}\n\nexport default on\n","import resolveTextNode from '../dom/resolveTextNode'\n\n/**\n * 返回触发事件的 target DOM 元素\n * ========================================================================\n * @method getTarget\n * @param {Event} evt - Event 对象\n * @return {HTMLElement} - Event 对象的 target DOM 元素\n */\nconst getTarget = function (evt) {\n  const target = evt.target\n\n  return resolveTextNode(target)\n}\n\nexport default getTarget\n","/**\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。\n * resolveTextNode() 方法则会返回实际的目标节点。\n * ========================================================================\n * @method resolveTextNode\n * @param {HTMLElement|Text} el - 要解析的节点\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\n */\nconst resolveTextNode = function (el) {\n  if (el && el.nodeType === 3) {\n    return el.parentNode\n  }\n\n  return el\n}\n\nexport default resolveTextNode\n","import matches from './matches'\nimport getParentOrHost from './getParentOrHost'\n\n/**\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\n * ========================================================================\n * @method closest\n * @param {HTMLElement} el - （必须）DOM 元素\n * @param {String} selector - （必须）DOM 元素的选择其\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\n */\nconst closest = (el, selector, ctx, includeCTX) => {\n  const context = ctx || document\n\n  if (!el) {\n    return null\n  }\n\n  do {\n    /* istanbul ignore else */\n    if (\n      (selector != null &&\n        (selector.startsWith('>')\n          ? el.parentNode === context && matches(el, selector)\n          : matches(el, selector))) ||\n      (includeCTX && el === context)\n    ) {\n      return el\n    }\n\n    /* istanbul ignore else */\n    if (el === context) {\n      break\n    }\n\n    /* jshint boss:true */\n  } while ((el = getParentOrHost(el)))\n}\n\nexport default closest\n","/**\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\n * ========================================================================\n * @method stop\n * @param {Event} evt - 事件对象\n *\n * @example\n * 
\n *   Service\n *   Help\n * 
\n *\n * const $nav = document.querySelector('#nav')\n * const $service = document.querySelector('.anchor')\n *\n * on($nav, 'click', function(evt) {\n *   console.log('你点击了导航栏')\n * })\n *\n * on($anchor, 'click', function(evt) {\n *   console.log('tagName', this.tagName)\n *\n *   // 工作台输出：'a'\n *   // 不会触发事件冒泡，输出：'你点击了导航栏'\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\n *   stopEvent(evt)\n * })\n */\nconst stop = function (evt) {\n  evt.stopPropagation()\n  evt.preventDefault()\n}\n\nexport default stop\n","/**\n * 检测对象自身属性中是否具有指定的属性。\n * ========================================================================\n * @method hasOwn\n * @param {Object} obj - （必须）检测的目标对象\n * @param {String} prop - （必须）属性名\n * @returns {Boolean}\n */\nconst hasOwn = (obj, prop) => {\n  const hasOwnProperty = Object.prototype.hasOwnProperty\n  return obj && hasOwnProperty.call(obj, prop)\n}\n\nexport default hasOwn\n","import hasOwn from './hasOwn'\n\n/**\n * 扩展对象\n * ========================================================================\n * @method extend\n * @param {Object} origin\n * @param {Object} source\n */\nconst extend = (origin, source) => {\n  const keys = Object.keys(source)\n\n  keys.forEach((prop) => {\n    if (hasOwn(source, prop)) {\n      origin[prop] = source[prop]\n    }\n  })\n}\n\nexport default extend\n","/**\n * 存储订阅者（主题和处理器的）私有对象\n * ========================================================================\n * @type {{}}\n * @private\n */\nconst _subscribers = {}\n\nexport default _subscribers\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\n * ========================================================================\n * @method _hasDirectSubscribersFor\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasDirectSubscribersFor = (topic) => {\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\n}\n\nexport default _hasDirectSubscribersFor\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\nimport _hasSubscribers from './_hasSubscribers'\n\n/**\n * 判断是否存在包含 topic 指定的订阅者信息\n * ========================================================================\n * @method has\n * @param {String} topic - （必须）主题名称\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\n * @returns {Boolean}\n */\nconst has = (topic, isDirect = true) => {\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\n}\n\nexport default has\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * 判断是否存在包含给定 topic 相关的订阅者信息\n * ========================================================================\n * @method _hasSubscribers\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _hasSubscribers = (topic) => {\n  let found = _hasDirectSubscribersFor(topic)\n  let position = topic.lastIndexOf('.')\n\n  while (!found && position !== -1) {\n    topic = topic.substring(0, position)\n    position = topic.lastIndexOf('.')\n    found = _hasDirectSubscribersFor(topic)\n  }\n\n  return found\n}\n\nexport default _hasSubscribers\n","import isTypedArray from '../types/isTypedArray'\nimport _subscribers from './_subscribers'\nimport has from './has'\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\n\n/**\n * （异步）发布订阅主题信息\n * ========================================================================\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。\n * ========================================================================\n * @method emit\n * @param {String} topic - （必须）主题名称\n * @param {Object} [data] - （可选）数据对象\n * @param {Boolean} [async] - (可选) 是否异步发布\n */\nconst emit = (topic, data, async = true) => {\n  const execute = (topic) => {\n    if (!_hasDirectSubscribersFor(topic)) {\n      return false\n    }\n\n    _subscribers[topic].forEach((subscriber) => {\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\n      // 采用 toString() 方法转化为普通（JSON）字符串\n      const message = isTypedArray(data) ? data.toString() : data\n\n      subscriber.callback.call(subscriber.context || subscriber, message)\n    })\n  }\n  const deliver = () => {\n    let subscriber = topic\n    let position = topic.lastIndexOf('.')\n\n    while (position !== -1) {\n      subscriber = subscriber.substring(0, position)\n      position = subscriber.lastIndexOf('.')\n\n      execute(subscriber)\n    }\n\n    // 执行 topic 对应的处理器\n    execute(topic)\n    // 执行特殊 topic：'*'（监听全部消息的发布）\n    execute('*')\n  }\n\n  if (!has(topic)) {\n    return false\n  }\n\n  if (async) {\n    setTimeout(deliver, 10)\n  } else {\n    deliver()\n  }\n}\n\nexport default emit\n","import toString from '../lang/toString'\n/**\n * 判断检测数据是否为 Typed Arrays 类型的数据\n * ========================================================================\n * @param {*} val\n * @returns {boolean}\n */\nconst isTypedArray = (val) => {\n  const TYPES = [\n    '[object Int8Array]',\n    '[object Uint8Array]',\n    '[object Uint8ClampedArray]',\n    '[object Int16Array]',\n    '[object Uint16Array]',\n    '[object Int32Array]',\n    '[object Uint32Array]',\n    '[object Float32Array]',\n    '[object Float64Array]',\n    '[object BigInt64Array]',\n    '[object BigUint64Array]'\n  ]\n\n  return TYPES.indexOf(toString(val)) > -1\n}\n\nexport default isTypedArray\n","/**\n * 生成唯一 id 字符串的函数\n * ========================================================================\n * @method guid\n * @param {String} [prefix] - 生成 id 的前缀字符串\n * @return {String} 返回一个表示唯一 id 的字符串\n */\nconst guid = (() => {\n  let uuid = 0\n\n  return (prefix) => {\n    uuid += 1\n\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\n  }\n})()\n\nexport default guid\n","import _subscribers from './_subscribers'\nimport hasOwn from '../lang/hasOwn'\n\n/**\n * 删除与给定 topic 相同的订阅者信息\n * ========================================================================\n * @method _removeSubscriber\n * @param {String} topic - （必须）订阅主题字符串\n * @returns {Boolean}\n */\nconst _removeSubscriber = (topic) => {\n  if (!hasOwn(_subscribers, topic)) {\n    return false\n  }\n\n  delete _subscribers[topic]\n}\n\nexport default _removeSubscriber\n","import has from './has'\nimport _removeSubscriber from './_removeSubscriber'\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\n\n/**\n * 取消订阅主题\n * ========================================================================\n * @method off\n * @param {String} topic - （必须）订阅的主题\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\n */\nconst off = (topic, token) => {\n  if (!has(topic)) {\n    return false\n  }\n\n  if (token) {\n    _removeSubscriberByToken(token)\n  } else {\n    _removeSubscriber(topic)\n  }\n}\n\nexport default off\n","import _subscribers from './_subscribers'\nimport _removeSubscriber from './_removeSubscriber'\n\n/**\n * 通过订阅者 token 值删除订阅者信息\n * ========================================================================\n * @method _removeSubscriberByToken\n * @param {String} token - 订阅者 token 字符串\n * @returns {boolean}\n * @private\n */\nconst _removeSubscriberByToken = (token) => {\n  const keys = Object.keys(_subscribers)\n  let index = -1\n\n  if (!token || keys.length < 1) {\n    return false\n  }\n\n  keys.forEach((subject) => {\n    const subscriber = _subscribers[subject]\n    let topic\n\n    subscriber.forEach((execution, j) => {\n      if (execution.callback === token || execution.token === token) {\n        topic = execution.topic\n        subscriber.splice(index, j)\n      }\n    })\n\n    /* istanbul ignore else */\n    if (subscriber.length < 1) {\n      _removeSubscriber(topic)\n    }\n  })\n}\n\nexport default _removeSubscriberByToken\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\nimport publish from './utils/observer/emit'\r\nimport subscribe from './utils/observer/on'\r\nimport unsubscribe from './utils/observer/off'\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  $emit(event, data) {\r\n    publish(event, data)\r\n    return this\r\n  }\r\n\r\n  $on(event, callback) {\r\n    subscribe(event, callback, this)\r\n    return this\r\n  }\r\n\r\n  $off(event, callback) {\r\n    unsubscribe(event, callback)\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 _subscribers from './_subscribers'\nimport isFunction from '../types/isFunction'\nimport guid from '../lang/guid'\n\n/**\n * 订阅主题，并给出处理器函数\n * ========================================================================\n * @method on\n * @param {String} topic - （必须）主题名称\n * @param {Function} handler - （必须）主题的处理器函数\n * @param {Object} [context] - （可选）指定 this 执行上下文\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\n */\nconst on = (topic, handler, context = null) => {\n  const token = guid()\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\n\n  if (!isFunction(handler)) {\n    return ''\n  }\n\n  /* istanbul ignore else */\n  if (!_subscribers[subject]) {\n    _subscribers[subject] = []\n  }\n\n  _subscribers[subject].push({\n    topic: subject,\n    callback: handler,\n    context,\n    token\n  })\n\n  return token\n}\n\nexport default on\n","/**\n * timeSlice.js 时间切片功能函数\n * ====================================================\n * Created By: Yaohaixiao\n * Update: 2023.09.04\n */\nimport isFunction from '../types/isFunction'\nimport later from './later'\n\nconst queue = []\nlet isHandling\nlet done\n\n// Shim from https://developers.google.com/web/updates/2015/08/using-requestidlecallback\nif (typeof window.requestIdleCallback === 'undefined') {\n  window.requestIdleCallback = function (cb) {\n    const start = Date.now()\n    return later(function () {\n      cb({\n        didTimeout: false,\n        timeRemaining: function () {\n          return Math.max(0, 50 - (Date.now() - start))\n        }\n      })\n    }, 10)\n  }\n\n  window.cancelIdleCallback = function (id) {\n    clearTimeout(id)\n  }\n}\n\nfunction runIdle(idleDeadline) {\n  while (idleDeadline.timeRemaining() > 0 && queue.length) {\n    const fn = queue.shift()\n\n    if (!isFunction(fn)) {\n      return false\n    }\n\n    fn()\n  }\n\n  if (queue.length) {\n    isHandling = requestIdleCallback(runIdle)\n  } else {\n    isHandling = 0\n\n    if (isFunction(done)) {\n      done()\n      done = null\n    }\n  }\n}\n\n/**\n * 时间切片功能函数：主要用于优化长时任务的性能，将长时任务分解成\n * 多个短时间任务\n * ====================================================\n * @param {Function} fn - 需要在空闲时执行的回调函数\n * @param {Function} afterComplete - queen 的\n * @return {(function(): (boolean|undefined))|*|boolean}\n */\nconst timeSlice = (fn, afterComplete = null) => {\n  queue.push(fn)\n\n  if (isFunction(afterComplete)) {\n    done = afterComplete\n  }\n\n  if (!isHandling) {\n    requestIdleCallback(runIdle)\n  }\n}\n\nexport default timeSlice\n","/**\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\n * ========================================================================\n * @method offsetTop\n * @param {HTMLElement} el - DOM 节点\n * @returns {Number}\n */\nconst offsetTop = (el) => {\n  let top = el.offsetTop\n\n  if (el.offsetParent !== null) {\n    top += offsetTop(el.offsetParent)\n  }\n\n  return top\n}\n\nexport default offsetTop\n","import DEFAULTS from './defaults'\n\nconst SYMBOLS = [...DEFAULTS]\n\nexport default SYMBOLS\n","const DEFAULTS = [\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  '',\n  ''\n]\n\nexport default DEFAULTS\n","import isString from '../types/isString'\nimport getSymbol from './getSymbol'\nimport SYMBOLS from './symbols'\n\n/**\n *\n * @method getSymbols\n * @param {String} [name]\n * @param {String} [iconSet]\n * @returns {string[]|*}\n */\nconst getSymbols = (name, iconSet = 'icon') => {\n  if (isString(name)) {\n    return getSymbol(name, iconSet)\n  }\n\n  return [...SYMBOLS]\n}\n\nexport default getSymbols\n","import SYMBOLS from './symbols'\n\n/**\n * @method getSymbol\n * @param {String} name\n * @param {String} [iconSet]\n * @returns {String}\n */\nconst getSymbol = (name, iconSet = 'icon') => {\n  const patternName = /id=\"(.*?)\"/\n  const patternSet = /^(\\w+)-/\n  const symbols = SYMBOLS\n\n  return symbols.find((symbol) => {\n    const names = patternName.exec(symbol)\n    const fullName = names[1]\n    const sets = patternSet.exec(fullName)\n    const setName = sets[1]\n    const iconName =\n      iconSet === 'icon' ? `${iconSet}-${name}` : `${iconSet}-icon-${name}`\n\n    return setName === iconSet && fullName === iconName\n  })\n}\n\nexport default getSymbol\n","import add from './add'\nimport getSymbols from './getSymbols'\n\n/**\n * 绘制 SVG 图标集\n * ========================================================================\n * @method paint\n * @param {String|Array} symbol\n */\nconst paint = (symbol = '') => {\n  const $body = document.body\n  let $icons = document.querySelector('#outline-icons')\n  let symbols = []\n\n  add(symbol)\n  symbols = getSymbols()\n\n  if ($icons) {\n    $icons.innerHTML = symbols.join('')\n  } else {\n    $icons = document.createElement('div')\n    $icons.innerHTML =\n      ``\n    $body.insertBefore($icons.firstChild, $body.firstChild)\n  }\n}\n\nexport default paint\n","import isArray from '../types/isArray'\nimport isString from '../types/isString'\nimport SYMBOLS from './symbols'\n\n/**\n * @method add\n * @param {Array|String} symbols\n * @return {Boolean}\n */\nconst add = (symbols) => {\n  if (!symbols) {\n    return false\n  }\n\n  if (isArray(symbols) && symbols.length > 0) {\n    symbols.forEach((symbol) => {\n      /* istanbul ignore else */\n      if (SYMBOLS.indexOf(symbol) === -1 && isString(symbol)) {\n        SYMBOLS.push(symbol)\n      }\n    })\n  } else {\n    /* istanbul ignore else */\n    if (isString(symbols)) {\n      SYMBOLS.push(symbols)\n    }\n  }\n}\n\nexport default add\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'\nimport isObject from './isObject'\n\nconst isFragment = (fragment) => {\n  return !!(\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\n  )\n}\n\nexport default isFragment\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","/**\n * 给 DOM 节点设置属性/值\n * ========================================================================\n * @method setAttribute\n * @param {HTMLElement} el - DOM 节点\n * @param {String} attr - 属性名称\n * @param {String|Number|Boolean} value - 属性值\n */\nconst setAttribute = (el, attr, value) => {\n  let tagName = el.tagName.toLowerCase()\n\n  switch (attr) {\n    case 'style':\n      el.style.cssText = value\n      break\n    case 'value':\n      if (tagName === 'input' || tagName === 'textarea') {\n        el.value = value\n      } else {\n        el.setAttribute(attr, value)\n      }\n      break\n    case 'htmlFor':\n      el.setAttribute('for', value)\n      break\n    case 'className':\n      el.className = value\n      break\n    case 'innerHTML':\n      el.innerHTML = value\n      break\n    case 'innerText':\n      el.innerText = value\n      break\n    default:\n      el.setAttribute(attr, value)\n      break\n  }\n}\n\nexport default setAttribute\n","import isObject from '../types/isObject'\nimport hasOwn from '../lang/hasOwn'\nimport setAttribute from './setAttribute'\n\nconst setAttributes = (el, attrs) => {\n  if (!el || !isObject(attrs)) {\n    return false\n  }\n\n  Object.keys(attrs).forEach((attr) => {\n    const value = attrs[attr]\n    if (hasOwn(attrs, attr)) {\n      setAttribute(el, attr, value)\n    }\n  })\n}\n\nexport default setAttributes\n","import isObject from '../types/isObject'\nimport isString from '../types/isString'\nimport isArray from '../types/isArray'\nimport isDOM from '../types/isDOM'\nimport setAttributes from './setAttributes'\n\n/**\n * 创建 DOM 节点，并添加属性和子节点\n * ========================================================================\n * @method createElement\n * @param {String} tagName - 标签名称\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\n * @returns {HTMLElement}\n */\nconst createElement = (tagName, attrs, children) => {\n  const $fragment = document.createDocumentFragment()\n  const $el = document.createElement(tagName)\n  const isValidChild = (child) => {\n    return isDOM(child) || isString(child)\n  }\n  const append = (child) => {\n    let $child\n\n    if (!isValidChild(child)) {\n      return false\n    }\n\n    if (isDOM(child)) {\n      $child = child\n    } else if (isString(child)) {\n      $child = document.createTextNode(child)\n    }\n\n    $fragment.appendChild($child)\n  }\n\n  if (isObject(attrs)) {\n    setAttributes($el, attrs)\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\n    attrs.forEach((child) => {\n      append(child)\n    })\n  } else if (isDOM(attrs)) {\n    append(attrs)\n  } else if (isString(attrs)) {\n    append(document.createTextNode(attrs))\n  }\n\n  if (isArray(children)) {\n    children.forEach((child) => {\n      append(child)\n    })\n  } else {\n    append(children)\n  }\n\n  $el.appendChild($fragment)\n\n  return $el\n}\n\nexport default createElement\n","import isArray from '../types/isArray'\nimport isString from '../types/isString'\nimport isSVG from '../types/isSVG'\nimport setAttributes from '../dom/setAttributes'\n\n/**\n * 创建 SVG 图标 DOM 元素\n * ========================================================================\n * @method createElement\n * @param {String} name\n * @param {Object} [options]\n * @param {Number|Array} [options.size]\n * @param {String} [options.color]\n * @param {String} [options.iconSet]\n * @param {Object} [options.attrs]\n * @returns {HTMLElement}\n */\nconst createElement = (name, options = {}) => {\n  const ICON = 'outline-icon'\n  const size = options.size || 0\n  const color = options.color || ''\n  const iconSet = options.iconSet || ''\n  const width = isArray(size) ? size[0] : size\n  const height = isArray(size) ? size[1] : size\n  const defaultRules = size ? `width:${width}px;height:${height}px;` : ''\n  const cssRules = color ? defaultRules + `color:${color}` : defaultRules\n  const attrs = options.attrs || {}\n  const $icon = document.createElement('i')\n  let binds = ''\n  let svg = ''\n  let $svg\n\n  if (!isString(name)) {\n    return null\n  }\n\n  if (isSVG(name)) {\n    svg = name\n  } else {\n    binds =\n      iconSet && iconSet !== 'icon'\n        ? `xlink:href=\"#${iconSet}-icon-${name}\"`\n        : `xlink:href=\"#icon-${name}\"`\n    svg = ``\n  }\n\n  $icon.innerHTML = svg\n\n  if (attrs.className) {\n    attrs.className = `${ICON} ${attrs.className}`\n  } else {\n    attrs.className = ICON\n  }\n\n  setAttributes($icon, attrs)\n\n  $svg = $icon.querySelector('svg')\n  setAttributes($svg, {\n    'aria-hidden': true,\n    xmlns: 'http://www.w3.org/2000/svg',\n    class: 'outline-icon__svg',\n    width: 200,\n    height: 200,\n    style: cssRules\n  })\n\n  return $icon\n}\n\nexport default createElement\n","import isString from './isString'\n\nconst isSVG = (str) => {\n  const declaration = '(?:<\\\\?xml[^>]*>\\\\s*)?'\n  const doctype =\n    '(?:<\\\\!doctype svg[^>]*\\\\s*(?:\\\\[?(?:\\\\s*]*>\\\\s*)*\\\\]?)*[^>]*>\\\\s*)?'\n  const content = ']*>[^]*<\\\\/svg>\\\\s*$'\n  const svg = `^\\\\s*${declaration}${doctype}${content}\\\\s*$`\n  const pattern = new RegExp(svg, 'i')\n\n  return isString(str) && pattern.test(str)\n}\n\nexport default isSVG\n","import createElement from './createElement'\n\n/**\n * 创建 SVG 图标 DOM 元素\n * ========================================================================\n * @method icon\n * @alias createElement\n * @see createElement\n * @param {String} name\n * @param {Object} [options]\n * @param {Number|Array} [options.size]\n * @param {String} [options.color]\n * @param {String} [options.iconSet]\n * @returns {HTMLElement}\n */\nconst icon = (name, options = {}) => {\n  return createElement(name, options)\n}\n\nexport default icon\n","import removeClass from './utils/dom/removeClass'\nimport isEmpty from './utils/types/isEmpty'\nimport trim from './utils/lang/trim'\n\nconst _resetHeading = ($heading, hasAnchor = true, isAtStart = true) => {\n  const CLS_HEADING = 'outline-heading'\n  const text = $heading.innerHTML\n  const pattern = /^\\d+(\\.?\\d+)*\\s?/gi\n  let $anchor\n\n  $heading.innerHTML = text.replace(pattern, '')\n  $heading.removeAttribute('id')\n  $heading.removeAttribute('data-id')\n\n  removeClass($heading, CLS_HEADING)\n\n  if (!hasAnchor) {\n    return false\n  }\n\n  $anchor = $heading.querySelector(`.${CLS_HEADING}__anchor`)\n\n  if (isAtStart) {\n    removeClass($heading, `${CLS_HEADING}_start`)\n  }\n\n  if (isEmpty(trim($heading.className))) {\n    $heading.removeAttribute('class')\n  }\n\n  $heading.removeChild($anchor)\n}\n\nexport default _resetHeading\n","import isString from './isString'\n/**\n * 检测数据是否为空字符串\n * ========================================================================\n * @method isEmpty\n * @param {String} str\n * @returns {boolean}\n */\nconst isEmpty = (str) => {\n  return isString(str) && str === ''\n}\n\nexport default isEmpty\n","import trim from './utils/lang/trim'\nimport stripTags from './utils/lang/stripTags'\nimport isFunction from './utils/types/isFunction'\n\nimport _getChapterParentIdByDiffer from './_getChapterParentIdByDiffer'\nimport _getChaptersWithCode from './_getChaptersWithCode'\n\n/**\n * 根据文章中的 h1~h6 标签，自动分析返回文章章节数据\n * ========================================================================\n * @method getChapters\n * @param {Array} headings\n * @param {Boolean} [showCode]\n * @param {Function} [chapterTextFilter]\n * @return {*|*[]}\n */\nconst getChapters = (headings, showCode = true, chapterTextFilter = null) => {\n  let previous = 1\n  let level = 0\n  let text = ''\n  const chapters = []\n\n  headings.forEach((heading, i) => {\n    const tagName = heading.tagName\n    const headingLevel = tagName.replace(/h/i, '')\n    let current = parseInt(headingLevel, 10)\n    let pid = -1\n\n    // 场景1：当前标题是前一个标题的子标题\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；\n    // h2 （前一个标题）\n    // h3 （当前标题）\n    if (current > previous) {\n      level += 1\n\n      // 第一层级的 pid 是 -1\n      if (level === 1) {\n        pid = -1\n      } else {\n        pid = i - 1\n      }\n    }\n    // 场景2：当前标题和前一个标题层级相同\n    // 当前标题的（标题标签）序号 = 前一个标题的序号\n    // h2 （前一个标题）\n    // h2 （当前标题）\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\n    // h2\n    // h4 （前一个标题）\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）\n    else if (current === previous || (current < previous && current > level)) {\n      // H1 的层级肯定是 1\n      if (current === 1) {\n        level = 1\n        pid = -1\n      } else {\n        pid = chapters[i - 1].pid\n      }\n    }\n    // 场景3：当前标题比前一个标题层级高\n    else if (current <= level) {\n      // H1 的层级肯定是 1\n      if (current === 1) {\n        level = 1\n      } else {\n        level = level - (previous - current)\n\n        if (level <= 1) {\n          level = 1\n        }\n      }\n\n      // 第一级的标题\n      if (level === 1) {\n        pid = -1\n      } else {\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\n        pid = _getChapterParentIdByDiffer(chapters, previous - current, i)\n      }\n    }\n\n    previous = current\n\n    text = stripTags(trim(heading.innerHTML))\n\n    if (isFunction(chapterTextFilter)) {\n      text = chapterTextFilter(text)\n    }\n\n    chapters.push({\n      id: i,\n      pid: pid,\n      level: level,\n      rel: `heading-${i}`,\n      text,\n      tagName\n    })\n  })\n\n  return showCode ? _getChaptersWithCode(chapters) : chapters\n}\n\nexport default getChapters\n","import isString from '../types/isString'\n\n/**\n * 过滤所有 HTML 标签\n * ========================================================================\n * @method stripTags\n * @param {string} str\n * @returns {string}\n */\nconst stripTags = (str) => {\n  if (!isString(str)) {\n    return ''\n  }\n  return str.replace(/<\\/?[^>]+(>|$)/g, '')\n}\n\nexport default stripTags\n","const _getChapterParentIdByDiffer = (chapters, differ, index) => {\n  let previous = chapters[index - 1]\n  let pid\n  let i\n\n  for (i = 0; i < differ; i += 1) {\n    pid = previous.pid\n    previous = chapters[pid]\n  }\n\n  pid = previous.pid\n\n  return pid\n}\n\nexport default _getChapterParentIdByDiffer\n","import isArray from './utils/types/isArray'\n\nconst _getChaptersWithCode = (chapters) => {\n  const groups = {}\n  const cb = (o) => {\n    return [o.pid]\n  }\n\n  chapters.forEach((o) => {\n    const group = JSON.stringify(cb(o))\n\n    groups[group] = groups[group] || []\n    groups[group].push(o)\n\n    o.index = groups[group].length\n    if (o.pid === -1) {\n      o.code = String(o.index)\n    }\n  })\n\n  Object.keys(groups).forEach((group) => {\n    groups[group].forEach((c) => {\n      const subjects = groups[`[${c.id}]`]\n      if (!subjects || !isArray(subjects)) {\n        return false\n      }\n      subjects.forEach((o) => {\n        o.code = c.code + '.' + o.index\n      })\n    })\n  })\n\n  return chapters\n}\n\nexport default _getChaptersWithCode\n","import isString from './utils/types/isString'\nimport isFunction from './utils/types/isFunction'\nimport isElement from './utils/types/isElement'\nimport timeSlice from './utils/lang/timeSlice'\nimport toTree from './utils/lang/toTree'\nimport later from './utils/lang/later'\nimport scrollTo from './utils/dom/scrollTo'\nimport _getScrollElement from './utils/dom/_getScrollElement'\nimport offsetTop from './utils/dom/offsetTop'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport stop from './utils/event/stop'\nimport paint from './utils/icons/paint'\n\nimport _updateHeading from './_updateHeading'\nimport _resetHeading from './_resetHeading'\nimport getChapters from './getChapters'\n\nimport Base from './base'\n\nclass Anchors extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = Anchors.DEFAULTS\n    this.$articleElement = null\n    this.$scrollElement = null\n    this.$headings = []\n    this.chapters = []\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    const showCode = this.attr('showCode') || true\n    let created\n    let scrollElement\n    let selector\n    let $articleElement\n    let articleElement\n\n    this.attr(options)\n    articleElement = this.attr('articleElement')\n    scrollElement = this.attr('scrollElement')\n    selector = this.attr('selector')\n    created = this.attr('created')\n\n    if (isString(articleElement)) {\n      $articleElement = document.querySelector(articleElement)\n    } else if (isElement(articleElement)) {\n      $articleElement = articleElement\n    }\n\n    if (!$articleElement) {\n      return this\n    }\n\n    this.$articleElement = $articleElement\n    this.$scrollElement = _getScrollElement(scrollElement)\n    this.$headings = [...$articleElement.querySelectorAll(selector)]\n\n    if (this.$headings.length < 1) {\n      return this\n    }\n\n    this.chapters = getChapters(\n      this.$headings,\n      showCode,\n      this.attr('chapterTextFilter')\n    )\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    this.render().addListeners()\n\n    return this\n  }\n\n  getChapters(isTreeStructured = false) {\n    const chapters = this.chapters\n    return isTreeStructured ? toTree(chapters, 'id', 'pid') : chapters\n  }\n\n  count() {\n    return this.chapters.length\n  }\n\n  render() {\n    const LIMIT = 400\n    const mounted = this.attr('mounted')\n    const hasAnchor = this.attr('hasAnchor')\n    const isAtStart = this.attr('isAtStart')\n    const showCode = this.attr('showCode')\n    const anchorURL = this.attr('anchorURL')\n    const count = this.count()\n    const $headings = [...this.$headings]\n    const chapters = this.getChapters()\n    const update = (headings, group) => {\n      headings.forEach(($heading, i) => {\n        const id = i + group * LIMIT\n        const chapterCode = chapters[id].code\n        _updateHeading($heading, id, {\n          hasAnchor,\n          isAtStart,\n          showCode,\n          chapterCode,\n          anchorURL\n        })\n      })\n    }\n    let groupIndex = -1\n\n    paint()\n\n    // 针对超长的文章，进行 timeSlice 处理\n    if (count > LIMIT) {\n      groupIndex += 1\n      // 同步绘制 Limit 以内的标题链接（可以确保 50ms 完成绘制）\n      update($headings.splice(0, LIMIT), 0)\n      // 采用 timeSlice 处理机制绘制剩余的标题\n      while ($headings.length > 0) {\n        const once = $headings.splice(0, LIMIT)\n        timeSlice(\n          () => {\n            update(once, (groupIndex += 1))\n          },\n          () => {\n            this.$emit('anchors:all:paint')\n          }\n        )\n      }\n    } else {\n      update($headings, 0)\n    }\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    return this\n  }\n\n  scrollTo(top, after) {\n    const el = this.$scrollElement\n\n    scrollTo(el, top, after)\n\n    return this\n  }\n\n  destroy() {\n    const hasAnchor = this.attr('hasAnchor')\n    const isAtStart = this.attr('isAtStart')\n    const beforeDestroy = this.attr('beforeDestroy')\n    const afterDestroy = this.attr('afterDestroy')\n    const $headings = this.$headings\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n    $headings.forEach(($heading) => {\n      _resetHeading($heading, hasAnchor, isAtStart)\n    })\n\n    this.attr(Anchors.DEFAULTS)\n    this.$articleElement = null\n    this.$scrollElement = null\n    this.$headings = []\n    this.chapters = []\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    return this\n  }\n\n  onAnchorTrigger(evt) {\n    const anchorURL = this.attr('anchorURL')\n    const afterScroll = this.attr('afterScroll')\n    const stickyHeight = this.attr('stickyHeight')\n    const $anchor = evt.delegateTarget\n    const $heading = $anchor.parentNode\n    const top = offsetTop($heading) - (stickyHeight + 10)\n    const $scrollElement = this.$scrollElement\n    const min = 0\n    const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\n    const after = () => {\n      if (isFunction(afterScroll)) {\n        afterScroll.call(this, 'anchor')\n      }\n\n      later(() => {\n        this.$emit('toolbar:update', {\n          top,\n          min,\n          max\n        })\n      })\n    }\n\n    this.scrollTo(top, after)\n\n    if (!anchorURL) {\n      stop(evt)\n    }\n\n    return this\n  }\n\n  addListeners() {\n    const $articleElement = this.$articleElement\n\n    on(\n      $articleElement,\n      '.outline-heading__anchor',\n      'click',\n      this.onAnchorTrigger,\n      this,\n      true\n    )\n\n    return this\n  }\n\n  removeListeners() {\n    const $articleElement = this.$articleElement\n\n    off($articleElement, 'click', this.onAnchorTrigger)\n\n    return this\n  }\n}\n\nAnchors.DEFAULTS = {\n  scrollElement: 'html,body',\n  articleElement: '#article',\n  selector: 'h1,h2,h3,h4,h5,h6',\n  stickyHeight: 0,\n  anchorURL: '',\n  hasAnchor: true,\n  isAtStart: true,\n  showCode: false,\n  created: null,\n  mounted: null,\n  afterScroll: null,\n  beforeDestroy: null,\n  afterDestroy: null,\n  chapterTextFilter: null\n}\n\nexport default Anchors\n","const toTree = (list, nodeKey, parentKey) => {\r\n  const map = {}\r\n  const roots = []\r\n\r\n  list.forEach((item, i) => {\r\n    // initialize the map\r\n    map[item[nodeKey]] = i\r\n    // initialize the children\r\n    item.children = []\r\n  })\r\n\r\n  list.forEach((item) => {\r\n    const node = list[map[item[parentKey]]]\r\n\r\n    if (item[parentKey] !== -1) {\r\n      // if you have dangling branches check that map[node.parentId] exists\r\n      node.children.push(item)\r\n    } else {\r\n      roots.push(item)\r\n    }\r\n  })\r\n\r\n  return roots\r\n}\r\n\r\nexport default toTree\r\n","import trim from './utils/lang/trim'\nimport createElement from './utils/dom/createElement'\nimport setAttributes from './utils/dom/setAttributes'\n\nimport icon from './utils/icons/icon'\n\nconst _updateHeading = ($heading, i, options) => {\n  const CLS_HEADING = 'outline-heading'\n  const hasAnchor = options.hasAnchor || true\n  const isAtStart = options.isAtStart || true\n  const showCode = options.showCode || false\n  const chapterCode = options.chapterCode || ''\n  const anchorURL = options.anchorURL || ''\n  const headingId = `heading-${i}`\n  const attrs = {\n    id: headingId,\n    className: isAtStart ? `${CLS_HEADING} ${CLS_HEADING}_start` : CLS_HEADING,\n    'data-id': i\n  }\n  const text = trim($heading.innerHTML)\n  let $anchor\n  let $icon\n\n  if (showCode) {\n    attrs.innerHTML = chapterCode + ' ' + text\n  }\n  setAttributes($heading, attrs)\n\n  if (!hasAnchor) {\n    return false\n  }\n\n  $icon = icon('hash', { iconSet: 'outline' })\n  $anchor = createElement(\n    'a',\n    {\n      id: `anchor-${i}`,\n      className: `${CLS_HEADING}__anchor anchor-${i}`,\n      href: anchorURL || `#${headingId}`,\n      target: anchorURL ? '_blank' : 'self',\n      'data-id': i\n    },\n    $icon\n  )\n  $heading.appendChild($anchor)\n}\n\nexport default _updateHeading\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'\n\nlet index = 2000\n\nconst zIndex = (idx) => {\n  if (idx) {\n    index = idx\n  } else {\n    index += 1\n  }\n\n  setProperty('--outline-zIndex', `${index}`)\n\n  return index\n}\n\nexport default zIndex\n","import Base from './base'\n\nimport later from './utils/lang/later'\nimport cloneDeep from './utils/lang/cloneDeep'\nimport isFunction from './utils/types/isFunction'\nimport addClass from './utils/dom/addClass'\nimport removeClass from './utils/dom/removeClass'\nimport createElement from './utils/dom/createElement'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\n\nimport paint from './utils/icons/paint'\nimport icon from './utils/icons/icon'\nimport zIndex from './zIndex'\n\nclass Drawer extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Drawer.DEFAULTS)\n    this.title = ''\n    this.closed = true\n    this.$el = null\n    this.$modal = null\n    this.$header = null\n    this.$title = null\n    this.$close = null\n    this.$main = null\n    this.$footer = null\n    this.$overlay = null\n    this.zIndex = 0\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    let created\n\n    this.attr(options)\n\n    this.title = this.attr('title')\n    created = this.attr('created')\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    this.render().addListeners()\n    return this\n  }\n\n  setTitle(title) {\n    this.attr('title', title)\n    this.title = title\n    this.$title.innerHTML = title\n\n    return this\n  }\n\n  isClosed() {\n    return this.closed\n  }\n\n  render() {\n    const mounted = this.attr('mounted')\n    const size = this.attr('size')\n    const placement = this.attr('placement')\n    const hasClose = this.attr('hasClose')\n    const hasOverlay = this.attr('hasOverlay')\n    const hasOffset = this.attr('hasOffset')\n    const hasPadding = this.attr('hasPadding')\n    const autoHeight = this.attr('autoHeight')\n    const customClass = this.attr('customClass')\n    let $el\n    let $modal\n    let $header\n    let $title\n    let $close\n    let $main\n    let $footer\n    let $overlay\n\n    paint()\n    this.zIndex = zIndex()\n\n    $title = createElement(\n      'h2',\n      {\n        className: 'outline-drawer__title'\n      },\n      this.title\n    )\n    this.$title = $title\n\n    if (hasClose) {\n      $close = createElement(\n        'div',\n        {\n          className: 'outline-drawer__close'\n        },\n        icon('close', { iconSet: 'outline', size: 20 })\n      )\n      this.$close = $close\n    }\n\n    $header = createElement(\n      'header',\n      {\n        className: 'outline-drawer__header'\n      },\n      [$title, $close]\n    )\n    this.$header = $header\n\n    $main = createElement('div', {\n      className: 'outline-drawer__main'\n    })\n    this.$main = $main\n\n    if (!hasPadding) {\n      addClass($main, 'outline-drawer_full')\n    }\n\n    $footer = createElement('footer', {\n      className: 'outline-drawer__footer'\n    })\n    this.$footer = $footer\n\n    $modal = createElement(\n      'div',\n      {\n        className: `outline-drawer__modal outline-drawer_${placement} outline-drawer_${size} outline-drawer_closed`\n      },\n      [$header, $main, $footer]\n    )\n    this.$modal = $modal\n\n    if (hasOffset) {\n      addClass($modal, 'outline-drawer_offset')\n    }\n\n    if (autoHeight) {\n      addClass($modal, 'outline-drawer_auto')\n    }\n\n    if (customClass) {\n      addClass($modal, customClass)\n    }\n\n    if (hasOverlay) {\n      $overlay = createElement('div', {\n        className: 'outline-drawer__overlay'\n      })\n      this.$overlay = $overlay\n    }\n\n    $el = createElement(\n      'div',\n      {\n        className: `outline-drawer`\n      },\n      [$modal, $overlay]\n    )\n    this.$el = $el\n    document.body.appendChild($el)\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    return this\n  }\n\n  open() {\n    const opened = this.attr('afterOpened')\n    const $modal = this.$modal\n\n    addClass(this.$el, 'outline-drawer_opened')\n    removeClass($modal, 'outline-drawer_closed')\n    addClass($modal, 'outline-drawer_opened')\n\n    later(() => {\n      this.closed = false\n\n      if (isFunction(opened)) {\n        opened.call(this)\n      }\n    })\n\n    return this\n  }\n\n  close() {\n    const closed = this.attr('afterClosed')\n    const $modal = this.$modal\n\n    removeClass($modal, 'outline-drawer_opened')\n    addClass($modal, 'outline-drawer_closed')\n\n    later(() => {\n      removeClass(this.$el, 'outline-drawer_opened')\n      this.closed = true\n\n      if (isFunction(closed)) {\n        closed.call(this)\n      }\n    })\n\n    return this\n  }\n\n  toggle() {\n    const afterToggle = this.attr('afterToggle')\n    const closed = this.isClosed()\n\n    if (closed) {\n      this.open()\n    } else {\n      this.close()\n    }\n\n    if (isFunction(afterToggle)) {\n      later(() => {\n        afterToggle.call(this, closed)\n      })\n    }\n\n    return this\n  }\n\n  destroy() {\n    const afterDestroy = this.attr('afterDestroy')\n    const beforeDestroy = this.attr('beforeDestroy')\n    let index = this.zIndex\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n\n    this.attrs = Drawer.DEFAULTS\n    this.title = ''\n    this.closed = false\n    this.$el = null\n    this.$modal = null\n    this.$header = null\n    this.$title = null\n    this.$close = null\n    this.$main = null\n    this.$footer = null\n    this.$overlay = null\n\n    index -= 1\n    zIndex(index)\n    this.zIndex = 0\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    return this\n  }\n\n  addListeners() {\n    const hasClose = this.attr('hasClose')\n    const hasOverlay = this.attr('hasOverlay')\n    const $el = this.$el\n\n    if (hasClose) {\n      on($el, '.outline-drawer__close', 'click', this.onClose, this, true)\n    }\n\n    if (hasOverlay) {\n      on($el, '.outline-drawer__overlay', 'click', this.onClose, this, true)\n    }\n\n    return this\n  }\n\n  removeListeners() {\n    const hasClose = this.attr('hasClose')\n    const hasOverlay = this.attr('hasOverlay')\n    const $el = this.$el\n\n    if (!hasClose && !hasOverlay) {\n      return this\n    }\n\n    off($el, 'click', this.onClose)\n\n    return this\n  }\n\n  onClose() {\n    this.close()\n    return this\n  }\n}\n\nDrawer.DEFAULTS = {\n  placement: 'rtl',\n  title: '标题',\n  size: 'regular',\n  hasClose: true,\n  hasOverlay: true,\n  hasOffset: false,\n  hasPadding: true,\n  autoHeight: true,\n  created: null,\n  mounted: null,\n  afterClosed: null,\n  afterOpened: null,\n  afterScroll: null,\n  beforeDestroy: null,\n  afterDestroy: null,\n  afterToggle: null\n}\n\nexport default Drawer\n","import isFunction from '../types/isFunction'\nimport isElement from '../types/isElement'\n\n/**\n * 通用的 IntersectionObserver 观察者处理器\n * ========================================================================\n * @method intersection\n * @param {Function} fn\n * @param {Object} [props]\n * @param {Object|HTMLElement} [props.root]\n * @param {String} [props.selector]\n * @param {Object} [props.context]\n * @param {String} [props.attr]\n * @param {String} [props.rootMargin]\n */\nconst intersection = (fn, props = {}) => {\n  const root = props.root || null\n  const selector = props.selector || '.outline-heading'\n  const context = props.context || null\n  const rootMargin = props.rootMargin || '0px 0px -90% 0px'\n  const options = {\n    rootMargin: rootMargin\n  }\n  const Observer = new IntersectionObserver((entries) => {\n    entries.forEach((entry) => {\n      if (entry.intersectionRatio > 0) {\n        if (isFunction(fn)) {\n          fn.call(context || entry.target, entry.target)\n        }\n      }\n    })\n  }, options)\n  const $root = isElement(root) ? root : document\n\n  if (root) {\n    options.root = root\n  }\n\n  $root.querySelectorAll(selector).forEach((section) => {\n    Observer.observe(section)\n  })\n\n  return Observer\n}\n\nexport default intersection\n","/**\r\n * 获取HTML元素的某个CSS样式值\r\n * ====================================================\r\n * @param el\r\n * @param ruleName\r\n * @returns {*}\r\n */\r\nconst getStyle = (el, ruleName) => {\r\n  return getComputedStyle(el)[ruleName]\r\n}\r\n\r\nexport default getStyle\r\n","import Base from './base'\n\nimport isString from './utils/types/isString'\nimport isFunction from './utils/types/isFunction'\nimport isElement from './utils/types/isElement'\nimport later from './utils/lang/later'\nimport at from './utils/event/at'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport stop from './utils/event/stop'\nimport createElement from './utils/dom/createElement'\nimport scrollTo from './utils/dom/scrollTo'\nimport addClass from './utils/dom/addClass'\nimport intersection from './utils/dom/intersection'\nimport removeClass from './utils/dom/removeClass'\nimport offsetTop from './utils/dom/offsetTop'\nimport getStyle from './utils/dom/getStyle'\nimport setProperty from './utils/dom/setProperty'\nimport _getScrollElement from './utils/dom/_getScrollElement'\nimport cloneDeep from './utils/lang/cloneDeep'\n\nimport _paintChapters from './_paintChapters'\n\nclass Chapters extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Chapters.DEFAULTS)\n\n    this._reset()\n\n    this.offsetWidth = 0\n    this.playing = false\n    this.scrollTimer = null\n    this.resizeTimer = null\n    this.Observer = null\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  _reset() {\n    this.$el = null\n    this.$title = null\n    this.$main = null\n    this.$list = null\n    this.$placeholder = null\n    this.$parentElement = null\n    this.$scrollElement = null\n    this.$active = null\n\n    this.chapters = []\n    this.active = 0\n    this.offsetTop = 0\n    this.closed = false\n\n    return this\n  }\n\n  initialize(options) {\n    let created\n    let parentElement\n    let scrollElement\n    let $parent\n\n    this.attr(options)\n    created = this.attr('created')\n    parentElement = this.attr('parentElement')\n    scrollElement = this.attr('scrollElement')\n\n    if (isString(parentElement)) {\n      $parent = document.querySelector(parentElement)\n    } else if (isElement(parentElement)) {\n      $parent = parentElement\n    }\n    this.$parentElement = $parent\n    this.$scrollElement = _getScrollElement(scrollElement)\n\n    this.chapters = this.attr('chapters')\n    this.closed = this.attr('closed')\n    this.active = this.attr('active')\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    if (this.chapters.length < 1) {\n      return this\n    }\n\n    this.render().addListeners()\n\n    this.$active = document.querySelector(`#chapter-${this.active}`)\n\n    return this\n  }\n\n  isClosed() {\n    return this.closed\n  }\n\n  isSticky() {\n    const position = this.attr('position')\n    return position === 'sticky'\n  }\n\n  isFixed() {\n    const position = this.attr('position')\n    return position === 'fixed'\n  }\n\n  isInside() {\n    return this.isFixed() || this.isSticky()\n  }\n\n  isOutside() {\n    return !this.isInside()\n  }\n\n  count() {\n    return this.chapters.length\n  }\n\n  _paintEdge() {\n    const $fragment = document.createDocumentFragment()\n    const STICKY = 'outline-chapters_sticky'\n    const HIDDEN = 'outline-chapters_hidden'\n    const title = this.attr('title')\n    const animationCurrent = this.attr('animationCurrent')\n    const customClass = this.attr('customClass')\n    const $parentElement = this.$parentElement\n    const children = []\n    const contents = []\n    let $title = null\n    let $el\n    let $main\n    let $list\n    let $placeholder\n\n    if (!$parentElement) {\n      return this\n    }\n\n    if (this.isInside() && title) {\n      $title = createElement(\n        'h2',\n        {\n          className: 'outline-chapters__title'\n        },\n        title\n      )\n      this.$title = $title\n      contents.push($title)\n    }\n\n    $list = createElement('ul', {\n      // 为优化性能，添加了 _fixed 和 _hidden\n      // fixed 为了让 $list 脱离流布局\n      // hidden 让 $list 不可见\n      className: `outline-chapters__list`\n    })\n    this.$list = $list\n    children.push($list)\n\n    if (animationCurrent) {\n      $placeholder = createElement('div', {\n        className: 'outline-chapters__placeholder'\n      })\n      this.$placeholder = $placeholder\n      children.push($placeholder)\n    }\n\n    $main = createElement(\n      'div',\n      {\n        className: 'outline-chapters__main'\n      },\n      children\n    )\n    this.$main = $main\n    contents.push($main)\n\n    $el = createElement(\n      'nav',\n      {\n        id: 'outline-chapters',\n        className: `outline-chapters ${HIDDEN}`\n      },\n      contents\n    )\n    this.$el = $el\n\n    if (this.isSticky()) {\n      this.calculateStickyHeight()\n      addClass($el, STICKY)\n    }\n\n    if (customClass) {\n      addClass($el, customClass)\n    }\n    $fragment.appendChild($el)\n    $parentElement.appendChild($fragment)\n\n    return this\n  }\n\n  render() {\n    const HIDDEN = 'outline-chapters_hidden'\n    const showCode = this.attr('showCode')\n    const mounted = this.attr('mounted')\n    const $parentElement = this.$parentElement\n    const chapters = this.chapters\n    const count = this.count()\n    let $el\n    let $list\n\n    if (!$parentElement || chapters.length < 1) {\n      return this\n    }\n\n    if (this.isInside()) {\n      addClass($parentElement, 'outline-chapters-parent')\n    }\n\n    this._paintEdge()\n\n    $el = this.$el\n    $list = this.$list\n    _paintChapters($list, chapters, showCode)\n    removeClass($el, HIDDEN)\n\n    later(() => {\n      this.highlight(this.active)\n    }, 60)\n\n    this.offsetTop = offsetTop($el)\n    this.offsetWidth = $el.offsetWidth\n\n    if (this.isFixed()) {\n      this.sticky()\n      setProperty('--outline-chapters-width', `${this.offsetWidth}px`)\n    }\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    if (count < 400) {\n      this.onObserver()\n    }\n\n    return this\n  }\n\n  positionPlaceholder(index) {\n    const $main = this.$main\n    const $list = this.$list\n    const $placeholder = this.$placeholder\n    const $anchor = $list.querySelector('.outline-chapters__anchor')\n    const animationCurrent = this.attr('animationCurrent')\n    const mainPaddingTop = parseInt(getStyle($main, 'padding-top'), 10)\n    const mainBorderTop = parseInt(getStyle($main, 'border-top-width'), 10)\n    const placeholderPaddingTop = parseInt(getStyle($list, 'padding-top'), 10)\n    const placeholderMarginTop = parseInt(getStyle($list, 'margin-top'), 10)\n    const placeholderBorderTop = parseInt(\n      getStyle($list, 'border-top-width'),\n      10\n    )\n    let height = $anchor.offsetHeight\n    let offsetTop = 0\n    let top\n\n    if (!animationCurrent) {\n      return this\n    }\n\n    if (mainPaddingTop) {\n      offsetTop += mainPaddingTop\n    }\n\n    if (placeholderPaddingTop) {\n      offsetTop += placeholderPaddingTop\n    }\n\n    if (placeholderMarginTop) {\n      offsetTop += placeholderMarginTop\n    }\n\n    if (mainBorderTop) {\n      offsetTop += mainBorderTop\n    }\n\n    if (placeholderBorderTop) {\n      offsetTop += placeholderBorderTop\n    }\n\n    top = height * index\n    $placeholder.style.cssText = `transform: translateY(${\n      offsetTop + top\n    }px);height:${height}px;`\n\n    return this\n  }\n\n  highlight(id) {\n    const animationCurrent = this.attr('animationCurrent')\n    const $anchor = this.$el.querySelector(`#chapter__anchor-${id}`)\n    const ACTIVE = 'outline-chapters_active'\n    const HIGHLIGHT = 'outline-chapters_highlight'\n\n    if (!$anchor) {\n      return this\n    }\n\n    this.active = parseInt($anchor.getAttribute('data-id'), 10)\n\n    if (this.$active) {\n      removeClass(this.$active, HIGHLIGHT)\n      removeClass(this.$active, ACTIVE)\n    }\n\n    this.$active = $anchor\n    addClass(this.$active, ACTIVE)\n\n    if (animationCurrent) {\n      this.positionPlaceholder(this.active)\n    } else {\n      addClass(this.$active, HIGHLIGHT)\n    }\n\n    return this\n  }\n\n  sticky() {\n    const afterSticky = this.attr('afterSticky')\n    const FIXED = 'outline-chapters_fixed'\n    const $el = this.$el\n    const top = this.offsetTop\n    const scrollTop = this.$scrollElement.scrollTop\n    let isStickying\n\n    if (!this.isFixed()) {\n      return this\n    }\n\n    isStickying = scrollTop >= top\n\n    if (isStickying) {\n      addClass($el, FIXED)\n    } else {\n      removeClass($el, FIXED)\n    }\n\n    if (isFunction(afterSticky)) {\n      afterSticky.call(this, this.isClosed(), isStickying)\n    }\n\n    return this\n  }\n\n  calculateStickyHeight() {\n    const documentElement = document.documentElement\n    const height = Math.max(\n      documentElement.clientHeight || 0,\n      window.innerHeight || 0\n    )\n    setProperty('--outline-sticky-height', `${height}px`)\n    return this\n  }\n\n  scrollTo(top, after) {\n    const el = this.$scrollElement\n\n    scrollTo(el, top, after)\n\n    return this\n  }\n\n  show() {\n    const FOLDED = 'outline-chapters_folded'\n    const HIDDEN = 'outline-chapters_hidden'\n    const opened = this.attr('afterOpened')\n    const count = this.count()\n    const $el = this.$el\n    const $parent = this.$parentElement\n\n    if (this.isInside()) {\n      if (count > 800) {\n        removeClass($parent, HIDDEN)\n      } else {\n        removeClass($parent, HIDDEN)\n        later(() => {\n          removeClass($parent, FOLDED)\n        }, 30)\n      }\n    } else {\n      removeClass($el, HIDDEN)\n    }\n    this.closed = false\n\n    if (isFunction(opened)) {\n      opened.call(this)\n    }\n\n    return this\n  }\n\n  hide() {\n    const FOLDED = 'outline-chapters_folded'\n    const HIDDEN = 'outline-chapters_hidden'\n    const closed = this.attr('afterClosed')\n    const count = this.count()\n    const $el = this.$el\n    const $parent = this.$parentElement\n\n    if (this.isInside()) {\n      if (count > 800) {\n        addClass($parent, HIDDEN)\n      } else {\n        addClass($parent, FOLDED)\n        later(() => {\n          addClass($parent, HIDDEN)\n        })\n      }\n    } else {\n      addClass($el, HIDDEN)\n    }\n    this.closed = true\n\n    if (isFunction(closed)) {\n      closed.call(this)\n    }\n\n    return this\n  }\n\n  toggle() {\n    const afterToggle = this.attr('afterToggle')\n    const top = this.offsetTop\n    const scrollTop = this.$scrollElement.scrollTop\n    let isStickying\n\n    if (this.isClosed()) {\n      this.show()\n    } else {\n      this.hide()\n    }\n\n    if (isFunction(afterToggle)) {\n      later(() => {\n        isStickying = scrollTop >= top\n        afterToggle.call(this, this.isClosed(), isStickying)\n      })\n    }\n\n    return this\n  }\n\n  destroy() {\n    const beforeDestroy = this.attr('beforeDestroy')\n    const afterDestroy = this.attr('afterDestroy')\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n    this.$parentElement.removeChild(this.$el)\n\n    this.attr(Chapters.DEFAULTS)._reset()\n\n    if (this.scrollTimer) {\n      clearTimeout(this.scrollTimer)\n      this.scrollTimer = null\n    }\n\n    if (this.resizeTimer) {\n      clearTimeout(this.resizeTimer)\n      this.resizeTimer = null\n    }\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    if (this.Observer) {\n      this.Observer = null\n    }\n\n    return this\n  }\n\n  onObserver() {\n    const selector = this.attr('selector')\n    let timer = null\n\n    this.Observer = intersection(\n      ($heading) => {\n        const id = $heading.getAttribute('data-id')\n\n        if (this.playing) {\n          return false\n        }\n\n        if (timer) {\n          clearTimeout(timer)\n        }\n\n        timer = later(() => {\n          this.highlight(id)\n        }, 100)\n      },\n      {\n        selector,\n        context: this\n      }\n    )\n\n    return this\n  }\n\n  onSelect(evt) {\n    const stickyHeight = this.attr('stickyHeight')\n    const $anchor = evt.delegateTarget\n    const id = $anchor.getAttribute('data-id')\n    const headingId = $anchor.href.split('#')[1]\n    const $heading = document.querySelector(`#${headingId}`)\n    const top = offsetTop($heading) - (stickyHeight + 10)\n    const min = 0\n    const max = this.$scrollElement.scrollHeight\n    const afterScroll = this.attr('afterScroll')\n    const after = () => {\n      if (isFunction(afterScroll)) {\n        afterScroll.call(this, 'chapter')\n      }\n\n      later(() => {\n        this.playing = false\n        this.$emit('toolbar:update', {\n          top,\n          min,\n          max\n        })\n      })\n    }\n\n    this.playing = true\n    if (this.isFixed()) {\n      this.sticky()\n      later(() => {\n        this.scrollTo(top, after)\n        this.highlight(id)\n      }, 10)\n    } else {\n      this.scrollTo(top, after)\n      this.highlight(id)\n    }\n\n    stop(evt)\n\n    return this\n  }\n\n  onScroll() {\n    const $scrollElement = this.$scrollElement\n\n    if (this.scrollTimer) {\n      clearTimeout(this.scrollTimer)\n    }\n\n    this.scrollTimer = later(() => {\n      const top = $scrollElement.scrollTop\n      const min = 0\n      const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\n\n      if (this.isFixed()) {\n        this.sticky()\n      }\n\n      this.$emit('toolbar:update', {\n        top,\n        min,\n        max\n      })\n    }, 100)\n\n    return this\n  }\n\n  onResize() {\n    if (this.resizeTimer) {\n      clearTimeout(this.resizeTimer)\n    }\n\n    this.resizeTimer = later(() => {\n      this.calculateStickyHeight()\n    })\n\n    return this\n  }\n\n  addListeners() {\n    const $el = this.$el\n    const $scrollElement = this.$scrollElement\n    const tagName = $scrollElement.tagName.toLowerCase()\n    let $element = $scrollElement\n\n    if (tagName === 'html' || tagName === 'body') {\n      $element = window\n    }\n\n    on($el, '.outline-chapters__anchor', 'click', this.onSelect, this, true)\n    at($element, 'scroll', this.onScroll, this, true)\n    if (this.isSticky()) {\n      at(window, 'resize', this.onResize, this, true)\n    }\n    this.$on('anchors:all:paint', this.onObserver, this)\n\n    return this\n  }\n\n  removeListeners() {\n    const selector = this.attr('selector')\n    const $el = this.$el\n    const $scrollElement = this.$scrollElement\n    const tagName = $scrollElement.tagName.toLowerCase()\n    let $element = $scrollElement\n\n    if (tagName === 'html' || tagName === 'body') {\n      $element = window\n    }\n\n    off($el, 'click', this.onSelect)\n    off($element, 'scroll', this.onScroll)\n\n    if (this.isSticky()) {\n      at(window, 'resize', this.onResize)\n    }\n\n    this.$off('anchors:all:paint')\n\n    if (this.Observer) {\n      document.querySelectorAll(selector).forEach((section) => {\n        this.Observer.unobserve(section)\n      })\n    }\n\n    return this\n  }\n}\n\nChapters.DEFAULTS = {\n  parentElement: '',\n  scrollElement: '',\n  selector: '.outline-heading',\n  active: 0,\n  closed: false,\n  showCode: true,\n  animationCurrent: true,\n  position: 'relative',\n  stickyHeight: 0,\n  chapters: [],\n  created: null,\n  mounted: null,\n  afterClosed: null,\n  afterOpened: null,\n  afterScroll: null,\n  beforeDestroy: null,\n  afterDestroy: null,\n  afterSticky: null\n}\n\nexport default Chapters\n","import createElement from './utils/dom/createElement'\nimport timeSlice from './utils/lang/timeSlice'\n\nconst _paintChapters = ($list, chapters, showCode = false) => {\n  const LIMIT = 400\n  const count = chapters.length\n  const clones = [...chapters]\n  const paint = (parts) => {\n    const byId = (id) => $list.querySelector(`#${id}`)\n    parts.forEach((chapter) => {\n      const pid = chapter.pid\n      const id = chapter.id\n      const rel = chapter.rel\n      const children = []\n      const $text = createElement(\n        'span',\n        {\n          className: 'outline-chapters__text'\n        },\n        chapter.text\n      )\n      let $link\n      let $code\n      let $li\n      let $subject\n      let $chapter\n\n      if (showCode) {\n        $code = createElement(\n          'span',\n          {\n            className: 'outline-chapters__code',\n            'data-id': id\n          },\n          chapter.code\n        )\n\n        children.push($code)\n      }\n\n      children.push($text)\n\n      $link = createElement(\n        'a',\n        {\n          id: `chapter__anchor-${id}`,\n          className: 'outline-chapters__anchor',\n          href: '#' + rel,\n          rel: rel,\n          'data-id': id\n        },\n        children\n      )\n\n      $li = createElement(\n        'li',\n        {\n          id: `chapter-${id}`,\n          className: 'outline-chapters__item',\n          'data-id': id\n        },\n        $link\n      )\n\n      if (pid === -1) {\n        $list.appendChild($li)\n      } else {\n        $chapter = byId(`chapter-${pid}`)\n        $subject = byId(`subject-${pid}`)\n\n        if (!$subject) {\n          $subject = createElement(\n            'ul',\n            {\n              id: 'subject-' + pid,\n              className: 'outline-chapters__subject'\n            },\n            $li\n          )\n\n          $chapter.appendChild($subject)\n        } else {\n          $subject.appendChild($li)\n        }\n      }\n    })\n  }\n\n  if (count > LIMIT) {\n    // 同步绘制\n    paint(clones.splice(0, LIMIT))\n    // 剩余的采用 timeSlice 机制绘制\n    while (clones.length > 0) {\n      const once = clones.splice(0, LIMIT)\n      timeSlice(() => {\n        paint(once)\n      })\n    }\n  } else {\n    paint(clones)\n  }\n}\n\nexport default _paintChapters\n","import icon from './utils/icons/icon'\nimport createElement from './utils/dom/createElement'\nimport addClass from './utils/dom/addClass'\n\nconst _createButton = (button, rounded = true) => {\n  const $icon = icon(button.icon, {\n    iconSet: button.iconSet || 'outline',\n    color: button.color || '',\n    size: button.size\n  })\n  const $anchor = createElement(\n    'a',\n    {\n      className: `outline-toolbar__anchor`,\n      href: button.link\n    },\n    $icon\n  )\n  const $button = createElement(\n    'div',\n    {\n      className: `outline-toolbar__button ${button.name}`\n    },\n    [button.link ? $anchor : $icon]\n  )\n\n  addClass($icon, 'outline-toolbar__icon')\n\n  if (rounded) {\n    addClass($button, 'outline-toolbar_rounded')\n  }\n\n  if (button.disabled) {\n    addClass($button, 'outline-toolbar_disabled')\n  }\n\n  return $button\n}\n\nexport default _createButton\n","import Base from './base'\n\nimport isString from './utils/types/isString'\nimport isFunction from './utils/types/isFunction'\nimport isObject from './utils/types/isObject'\nimport isArray from './utils/types/isArray'\nimport later from './utils/lang/later'\nimport cloneDeep from './utils/lang/cloneDeep'\nimport createElement from './utils/dom/createElement'\nimport addClass from './utils/dom/addClass'\nimport hasClass from './utils/dom/hasClass'\nimport removeClass from './utils/dom/removeClass'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport paint from './utils/icons/paint'\n\nimport _createButton from './_createButton'\n\nconst DISABLED = 'outline-toolbar_disabled'\nconst HIDDEN = 'outline-toolbar_hidden'\n\nclass Toolbar extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Toolbar.DEFAULTS)\n    this.$el = null\n    this.disabled = false\n    this.closed = false\n    this.buttons = []\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    let created\n\n    this.attr(options)\n    created = this.attr('created')\n    this.disabled = this.attr('disabled')\n    this.closed = this.attr('closed')\n\n    if (isFunction(created)) {\n      created.call(this)\n    }\n\n    this.render().addListeners()\n\n    return this\n  }\n\n  isDisabled(name) {\n    const buttons = this.attr('buttons')\n    let button\n\n    if (name) {\n      button = buttons.find((option) => option.name === name)\n\n      return button?.disabled\n    }\n\n    return this.disabled\n  }\n\n  isClosed() {\n    return this.closed\n  }\n\n  highlight(name) {\n    const button = this.buttons.find((item) => item.name === name)\n    const ACTIVE = 'outline-toolbar_active'\n    let $button\n\n    if ($button) {\n      return this\n    }\n\n    $button = button.$el\n\n    if (hasClass($button, ACTIVE)) {\n      removeClass($button, ACTIVE)\n    } else {\n      addClass($button, ACTIVE)\n    }\n\n    return this\n  }\n\n  render() {\n    const mounted = this.attr('mounted')\n    const buttons = this.attr('buttons') || []\n    const rounded = this.attr('rounded')\n    const placement = this.attr('placement')\n    const $buttons = []\n\n    paint()\n\n    buttons.forEach((button) => {\n      const $button = _createButton(button, rounded)\n\n      $buttons.push($button)\n      this.buttons.push({\n        name: button.name,\n        $el: $button\n      })\n    })\n\n    this.$el = createElement(\n      'div',\n      {\n        id: 'outline-toolbar',\n        className: `outline-toolbar outline-toolbar_${placement}`\n      },\n      $buttons\n    )\n    document.body.appendChild(this.$el)\n\n    if (this.closed) {\n      this.hide()\n    }\n\n    if (this.disabled) {\n      this.disable()\n    }\n\n    if (isFunction(mounted)) {\n      mounted.call(this)\n    }\n\n    return this\n  }\n\n  add(button) {\n    const $el = this.$el\n    const buttons = this.attr('buttons')\n    const action = button.action\n    const $fragment = document.createDocumentFragment()\n    let type\n\n    if (isObject(button)) {\n      buttons.push(button)\n      $fragment.appendChild(_createButton(button))\n    } else if (isArray(button)) {\n      button.forEach((item) => {\n        $fragment.appendChild(_createButton(item))\n      })\n    }\n    $el.appendChild($fragment)\n\n    if (action && isFunction(action.handler)) {\n      type = action.type || 'click'\n      on($el, `.${button.name}`, type, action.handler)\n    }\n\n    return this\n  }\n\n  remove(name) {\n    const $el = this.$el\n    const buttons = this.attr('buttons')\n    const button = buttons.find((option) => option.name === name)\n    let index = -1\n    let $button\n\n    if (!button) {\n      return this\n    }\n\n    buttons.forEach((button, i) => {\n      if (button.name === name) {\n        index = i\n      }\n    })\n\n    if (index > -1) {\n      this.attr().buttons.splice(index, 1)\n    }\n\n    $button = $el.querySelector(`.${name}`)\n    this.switch(name, false)\n    $el.removeChild($button)\n\n    return this\n  }\n\n  switch(name, enabled) {\n    const $el = this.$el\n    const buttons = this.attr('buttons')\n    const button = buttons.find((option) => option.name === name)\n    let action\n    let type\n    let listener\n    let $button\n\n    if (!button) {\n      return this\n    }\n\n    buttons.forEach((option) => {\n      if (option.name === name) {\n        button.disabled = !enabled\n      }\n    })\n\n    action = button.action\n    $button = $el.querySelector(`.${name}`)\n\n    if (action) {\n      type = action.type || 'click'\n      listener = action.handler\n    }\n\n    if (enabled) {\n      removeClass($button, DISABLED)\n\n      if (type && listener) {\n        on($el, `.${name}`, type, listener)\n      }\n    } else {\n      addClass($button, DISABLED)\n\n      if (type && listener) {\n        off($el, type, listener)\n      }\n    }\n\n    return this\n  }\n\n  disable(name) {\n    const disabled = this.attr('afterDisabled')\n\n    if (name) {\n      this.switch(name, false)\n    } else {\n      addClass(this.$el, DISABLED)\n      this.removeListeners()\n      this.disabled = true\n\n      if (isFunction(disabled)) {\n        disabled.call(this)\n      }\n    }\n\n    return this\n  }\n\n  enable(name) {\n    const enabled = this.attr('afterEnabled')\n\n    if (name) {\n      this.switch(name, true)\n    } else {\n      this.disabled = false\n      removeClass(this.$el, DISABLED)\n      this.addListeners()\n\n      if (isFunction(enabled)) {\n        enabled.call(this)\n      }\n    }\n\n    return this\n  }\n\n  show(name) {\n    const opened = this.attr('afterOpened')\n    const button = this.attr('buttons').find((option) => option.name === name)\n    const $el = this.$el\n    let $button\n\n    if (name) {\n      if (!button) {\n        return this\n      }\n\n      $button = $el.querySelector(`.${name}`)\n      removeClass($button, HIDDEN)\n    } else {\n      removeClass($el, HIDDEN)\n      this.closed = false\n\n      if (isFunction(opened)) {\n        later(() => {\n          opened.call(this)\n        }, 310)\n      }\n    }\n\n    return this\n  }\n\n  hide(name) {\n    const closed = this.attr('afterClosed')\n    const button = this.attr('buttons').find((option) => option.name === name)\n    const $el = this.$el\n    let $button\n\n    if (name) {\n      if (!button) {\n        return this\n      }\n      $button = $el.querySelector(`.${name}`)\n      addClass($button, HIDDEN)\n    } else {\n      addClass($el, HIDDEN)\n      this.closed = true\n\n      if (isFunction(closed)) {\n        later(() => {\n          closed.call(this)\n        }, 310)\n      }\n    }\n\n    return this\n  }\n\n  toggle() {\n    if (this.isClosed()) {\n      this.show()\n    } else {\n      this.hide()\n    }\n\n    return this\n  }\n\n  destroy() {\n    const beforeDestroy = this.attr('beforeDestroy')\n    const afterDestroy = this.attr('afterDestroy')\n    let $el = this.$el\n\n    if (isFunction(beforeDestroy)) {\n      beforeDestroy.call(this)\n    }\n\n    this.removeListeners()\n    document.body.removeChild($el)\n    $el = null\n\n    this.attr(Toolbar.DEFAULTS)\n    this.disabled = false\n    this.closed = false\n    this.buttons = []\n\n    if (isFunction(afterDestroy)) {\n      afterDestroy.call(this)\n    }\n\n    return this\n  }\n\n  refresh() {\n    const $el = this.$el\n    const buttons = this.attr('buttons') || []\n\n    this.removeListeners()\n    $el.innerHTML = ''\n\n    buttons.forEach((button) => {\n      this.$el.appendChild(_createButton(button))\n    })\n\n    this.addListeners()\n\n    return this\n  }\n\n  addListeners() {\n    const buttons = this.attr('buttons')\n    const $el = this.$el\n\n    if (!buttons || buttons.length < 1) {\n      return this\n    }\n\n    buttons.forEach((button) => {\n      const action = button.action\n      const disabled = this.disabled\n      let type\n      let listener\n      let context\n      let command\n\n      if (disabled) {\n        return false\n      }\n\n      if (action) {\n        listener = action.handler\n        if (isString(listener)) {\n          command = listener\n          action.handler = function () {\n            this.$emit(command, button.name)\n          }\n          listener = action.handler\n        }\n\n        type = action.type || 'click'\n        context = action.context\n      }\n\n      if (isFunction(listener)) {\n        on($el, `.${button.name}`, type, listener, context || this, true)\n      }\n    })\n\n    return this\n  }\n\n  removeListeners() {\n    const buttons = this.attr('buttons')\n    const $el = this.$el\n\n    if (!buttons || buttons.length < 1) {\n      return this\n    }\n\n    buttons.forEach((button) => {\n      const action = button.action\n      const disabled = this.disabled\n      let type\n      let listener\n\n      if (disabled) {\n        return false\n      }\n\n      if (action) {\n        listener = action.handler\n        type = action.type || 'click'\n      }\n\n      if (isFunction(listener)) {\n        off($el, type, listener)\n      }\n    })\n\n    return this\n  }\n}\n\nToolbar.DEFAULTS = {\n  placement: 'ltr',\n  closed: false,\n  disabled: false,\n  rounded: true,\n  buttons: [],\n  created: null,\n  mounted: null,\n  afterClosed: null,\n  afterOpened: null,\n  afterDisabled: null,\n  afterEnabled: null,\n  beforeDestroy: null,\n  afterDestroy: null\n}\n\nexport default Toolbar\n","import isObject from './isObject'\n\n/**\n * 检测测试数据是否为类似 Object 类型\n * ========================================================================\n * @method isObjectLike\n * @param {Object} val - 要检测的数据\n * @returns {Boolean} 'val' 是类似 Object 类型，返回 true，否则返回 false\n */\nconst isObjectLike = (val) => {\n  return isObject(val) && val !== null\n}\n\nexport default isObjectLike\n","import isObjectLike from './isObjectLike'\n\n/**\n * 检测测试数据是否为普通对象\n * ========================================================================\n * @method isPlainObject\n * @param {Object} val - 要检测的数据\n * @returns {Boolean} 'val' 是普通对象，返回 true，否则返回 false\n */\nconst isPlainObject = (val) => {\n  const getPrototypeOf = Object.getPrototypeOf\n  let proto\n\n  // Detect obvious negatives\n  if (!isObjectLike(val)) {\n    return false\n  }\n\n  proto = val.prototype\n\n  // JavaScript 对象分为两种：普通对象和函数对象\n  // 普通对象：原型是 __proto__，没有 prototype 原型（属性）\n  // 函数对象：原型是 prototype ，prototype 只存在于函数对象上\n  if (!proto) {\n    return true\n  }\n\n  proto = val\n\n  while (getPrototypeOf(proto) !== null) {\n    proto = getPrototypeOf(proto)\n  }\n\n  return getPrototypeOf(val) === proto\n}\n\nexport default isPlainObject\n","/**\r\n * 移除字符串中的 JavaScript 代码\r\n * ====================================================\r\n * @param {String} str\r\n * @returns {String}\r\n */\r\nconst stripScripts = (str) => {\r\n  return str.replace(/]*>.*?<\\/script>/gi, '')\r\n}\r\n\r\nexport default stripScripts\r\n","/**\r\n * 转义字符串中的 HTML 标签\r\n *\r\n * @param {String} str - 需要转义的字符串\r\n * @returns {String}\r\n */\r\nconst encodeHTML = (str) => {\r\n  const CHARTS = {\r\n    '&': '&',\r\n    '<': '<',\r\n    '>': '>',\r\n    \"'\": ''',\r\n    '\"': '"'\r\n  }\r\n\r\n  return str.replace(/[&<>'\"]/g, (tag) => {\r\n    return CHARTS[tag] || tag\r\n  })\r\n}\r\n\r\nexport default encodeHTML\r\n","import isString from './utils/types/isString'\r\nimport isPlainObject from './utils/types/isPlainObject'\r\nimport isFunction from './utils/types/isFunction'\r\n\r\nimport extend from './utils/lang/extend'\r\nimport later from './utils/lang/later'\r\nimport stripScripts from './utils/lang/stripScripts'\r\nimport encodeHTML from './utils/lang/encodeHTML'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport guid from './utils/lang/guid'\r\n\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport setAttribute from './utils/dom/setAttribute'\r\nimport setAttributes from './utils/dom/setAttributes'\r\n\r\nimport icon from './utils/icons/icon'\r\nimport paint from './utils/icons/paint'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\n\r\nimport Base from './base'\r\n\r\nconst TYPES = ['info', 'success', 'warning', 'error']\r\nconst instances = []\r\nlet instance\r\n\r\npaint()\r\n\r\nclass Message extends Base {\r\n  constructor(options) {\r\n    super()\r\n    this.attrs = cloneDeep(Message.DEFAULTS)\r\n\r\n    this.$el = null\r\n    this.id = ''\r\n    this.closed = false\r\n    this.visible = false\r\n    this.offset = -50\r\n    this.timer = null\r\n    this.destroyed = false\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)\r\n    this.id = this.attr('id')\r\n    this.offset = this.attr('offset') || -50\r\n\r\n    this.$emit('created', { ...this.attr() })\r\n\r\n    this.render().addListeners()\r\n\r\n    if (this.attr('visible')) {\r\n      this.open()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  isDestroyed() {\r\n    return this.destroyed\r\n  }\r\n\r\n  _getClassName() {\r\n    const type = this.attr('type')\r\n    const effect = this.attr('effect')\r\n    const round = this.attr('round')\r\n    const closable = this.attr('closable')\r\n    const visible = this.attr('visible')\r\n    const customClass = this.attr('customClass')\r\n    const className = [\r\n      'outline-message',\r\n      `outline-message_${type}`,\r\n      `outline-message_${effect}`\r\n    ]\r\n\r\n    if (round) {\r\n      className.push('outline-message_round')\r\n    }\r\n\r\n    if (!closable) {\r\n      className.push('outline-message_full-width')\r\n    }\r\n\r\n    if (visible) {\r\n      className.push('outline-message_visible')\r\n    }\r\n\r\n    if (customClass) {\r\n      className.push(customClass)\r\n    }\r\n\r\n    return className\r\n  }\r\n\r\n  render() {\r\n    const type = this.attr('type')\r\n    const message = this.attr('message')\r\n    const effect = this.attr('effect')\r\n    const round = this.attr('round')\r\n    const closable = this.attr('closable')\r\n    const dangerouslyUseHTMLString = this.attr('dangerouslyUseHTMLString')\r\n    const className = this._getClassName()\r\n    const iconName = effect === 'light' ? `circle-${type}` : type\r\n    const children = []\r\n    let iconSize = 20\r\n    let $type\r\n    let $message\r\n    let $text\r\n    let $close\r\n    let $el\r\n\r\n    if (round && effect === 'default') {\r\n      iconSize = 12\r\n    }\r\n\r\n    if (effect !== 'plain') {\r\n      $type = icon(iconName, {\r\n        iconSet: 'outline',\r\n        size: iconSize\r\n      })\r\n      addClass($type, 'outline-message__icon')\r\n      children.push($type)\r\n    }\r\n\r\n    if (!dangerouslyUseHTMLString) {\r\n      $text = document.createTextNode(encodeHTML(stripScripts(message)))\r\n    } else {\r\n      $text = document.createDocumentFragment()\r\n      $text.innerHTML = message\r\n    }\r\n    $message = createElement(\r\n      'p',\r\n      {\r\n        className: 'outline-message__content'\r\n      },\r\n      [$text]\r\n    )\r\n    children.push($message)\r\n\r\n    if (closable) {\r\n      $close = icon('close', {\r\n        iconSet: 'outline',\r\n        size: 18\r\n      })\r\n      addClass($close, 'outline-message__close')\r\n      children.push($close)\r\n    }\r\n\r\n    $el = createElement(\r\n      'div',\r\n      {\r\n        className: className.join(' ')\r\n      },\r\n      children\r\n    )\r\n    $el.style.cssText = `top:-50px;`\r\n    this.$el = $el\r\n    document.body.appendChild(this.$el)\r\n\r\n    this.$emit('mounted')\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshIcon() {\r\n    const HIDDEN = '.outline-message_hidden'\r\n    const $el = this.$el\r\n    let iconSize = 20\r\n    let type\r\n    let effect\r\n    let round\r\n    let iconName\r\n    let $icon\r\n    let $svg\r\n    let $use\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    $icon = $el.querySelector('.outline-icon')\r\n\r\n    if (!$icon) {\r\n      return this\r\n    }\r\n\r\n    type = this.attr('type')\r\n    effect = this.attr('effect')\r\n    round = this.attr('round')\r\n\r\n    if (effect === 'plain') {\r\n      addClass($icon, HIDDEN)\r\n    } else {\r\n      removeClass($icon, HIDDEN)\r\n\r\n      if (round && effect === 'default') {\r\n        iconSize = 12\r\n      }\r\n    }\r\n\r\n    $svg = $icon.querySelector('.outline-icon__svg')\r\n    setAttributes($svg, {\r\n      style: `width:${iconSize}px;height:${iconSize}px;`\r\n    })\r\n\r\n    $use = $svg.querySelector('use')\r\n    iconName = effect === 'light' ? `circle-${type}` : type\r\n    setAttribute($use, 'xlink:href', `#outline-icon-${iconName}`)\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshMessage() {\r\n    const $el = this.$el\r\n    let $message\r\n    let dangerouslyUseHTMLString\r\n    let message\r\n    let text\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    $message = $el.querySelector('.outline-message__content')\r\n    dangerouslyUseHTMLString = this.attr('dangerouslyUseHTMLString')\r\n    message = this.attr('message')\r\n\r\n    if (!dangerouslyUseHTMLString) {\r\n      text = encodeHTML(stripScripts(message))\r\n    } else {\r\n      text = message\r\n    }\r\n\r\n    $message.innerHTML = text\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshClose() {\r\n    const HIDDEN = '.outline-message_hidden'\r\n    const $el = this.$el\r\n    let $close\r\n    let closable\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    $close = $el.querySelector('.outline-message__close')\r\n    closable = this.attr('closable')\r\n\r\n    if ($close) {\r\n      if (closable) {\r\n        addClass($close, HIDDEN)\r\n      } else {\r\n        removeClass($close, HIDDEN)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  _refreshEl() {\r\n    const $el = this.$el\r\n    let className\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    className = this._getClassName()\r\n    setAttribute($el, 'className', className.join(' '))\r\n\r\n    return this\r\n  }\r\n\r\n  refresh(options) {\r\n    if (!isPlainObject(options)) {\r\n      return this\r\n    }\r\n\r\n    this.attr(options)\r\n      ._refreshIcon()\r\n      ._refreshMessage()\r\n      ._refreshClose()\r\n      ._refreshEl()\r\n\r\n    return this\r\n  }\r\n\r\n  clearTimer() {\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    if (this.timer) {\r\n      clearTimeout(this.timer)\r\n      this.timer = null\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  startTimer(duration) {\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    this.timer = later(() => {\r\n      this.$emit('opened')\r\n      this.close()\r\n    }, duration * 1000)\r\n\r\n    return this\r\n  }\r\n\r\n  open(options) {\r\n    const $el = this.$el\r\n    let offset\r\n    let duration\r\n    let top\r\n    let cssRules\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    if (this.isClosed()) {\r\n      this.refresh(options)\r\n    }\r\n\r\n    offset = this.attr('offset')\r\n    duration = this.attr('duration')\r\n    top = offset && offset >= this.offset ? offset : this.offset\r\n    cssRules = `top:${top}px;`\r\n\r\n    this.clearTimer()\r\n\r\n    this.$emit('beforeOpen')\r\n\r\n    later(() => {\r\n      this.visible = true\r\n\r\n      addClass($el, 'outline-message_visible')\r\n      $el.style.cssText = cssRules\r\n\r\n      if (duration > 0) {\r\n        this.startTimer(duration)\r\n      }\r\n    }, 100)\r\n\r\n    return this\r\n  }\r\n\r\n  close() {\r\n    const $el = this.$el\r\n    const cssRules = `top:-50px;`\r\n    let destroyAfterClosed\r\n    let beforeClose\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    destroyAfterClosed = this.attr('destroyAfterClosed')\r\n    beforeClose = this.attr('beforeClose')\r\n\r\n    if (isFunction(beforeClose)) {\r\n      beforeClose.call(this)\r\n    }\r\n\r\n    $el.style.cssText = cssRules\r\n    removeClass($el, 'outline-message_visible')\r\n\r\n    this.visible = false\r\n    this.closed = true\r\n\r\n    later(() => {\r\n      this.$emit('closed')\r\n\r\n      if (destroyAfterClosed) {\r\n        this.destroy()\r\n      }\r\n    }, 500)\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    this.$emit('beforeDestroy')\r\n\r\n    if (this.isDestroyed()) {\r\n      return this\r\n    }\r\n\r\n    this.removeListeners()\r\n    document.body.removeChild(this.$el)\r\n\r\n    this.attr(Message.DEFAULTS)\r\n\r\n    this.id = ''\r\n    this.closed = true\r\n    this.visible = false\r\n    this.offset = -50\r\n    clearTimeout(this.timer)\r\n    this.timer = null\r\n    this.destroyed = true\r\n\r\n    this.$el = null\r\n\r\n    this.$emit('afterDestroy')\r\n\r\n    return this\r\n  }\r\n\r\n  onMouseEnter() {\r\n    this.clearTimer()\r\n    return this\r\n  }\r\n\r\n  onMouseLeave() {\r\n    const duration = this.attr('duration')\r\n    const delay = this.attr('delay')\r\n\r\n    if (duration <= 0) {\r\n      return this\r\n    }\r\n\r\n    this.startTimer(delay)\r\n\r\n    return this\r\n  }\r\n\r\n  onClose() {\r\n    this.clearTimer()\r\n    this.close()\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $el = this.$el\r\n\r\n    on(\r\n      $el,\r\n      '.outline-message__content',\r\n      'mouseenter',\r\n      this.onMouseEnter,\r\n      this,\r\n      true\r\n    )\r\n    on(\r\n      $el,\r\n      '.outline-message__content',\r\n      'mouseleave',\r\n      this.onMouseLeave,\r\n      this,\r\n      true\r\n    )\r\n    on($el, '.outline-message__close', 'click', this.onClose, this, true)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $el = this.$el\r\n\r\n    off($el, 'mouseenter', this.onMouseEnter)\r\n    off($el, 'mouseleave', this.onMouseLeave)\r\n    off($el, 'click', this.onClose)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nMessage.DEFAULTS = {\r\n  id: '',\r\n  type: 'info',\r\n  effect: 'default',\r\n  round: false,\r\n  offset: 30,\r\n  duration: 3,\r\n  delay: 2,\r\n  message: '',\r\n  customClass: '',\r\n  closable: true,\r\n  visible: true,\r\n  dangerouslyUseHTMLString: false,\r\n  destroyAfterClosed: true,\r\n  beforeClose: null\r\n}\r\n\r\nTYPES.forEach((type) => {\r\n  Message[type] = (options) => {\r\n    const config = {}\r\n    const id = guid(`outline-message-`)\r\n    const beforeClose = options.beforeClose || null\r\n    let offset = options.offset || 30\r\n\r\n    if (isString(options)) {\r\n      config.message = options\r\n    } else {\r\n      if (isPlainObject(options)) {\r\n        extend(config, options)\r\n      }\r\n    }\r\n    config.id = id\r\n    config.type = type\r\n    config.offset = offset\r\n    config.visible = false\r\n    config.beforeClose = () => {\r\n      Message.close(id, beforeClose)\r\n    }\r\n\r\n    instance = new Message(config)\r\n    instances.forEach((item) => {\r\n      offset += item.$el.offsetHeight + 16\r\n    })\r\n    instance.offset = offset\r\n    instance.open()\r\n    instances.push(instance)\r\n\r\n    return instance\r\n  }\r\n})\r\n\r\n// 关闭指定 id 消息的静态方法\r\nMessage.close = (id, beforeClose) => {\r\n  const len = instances.length\r\n  let index = -1\r\n  let i\r\n  let offsetHeight\r\n\r\n  instances.forEach((instance, i) => {\r\n    // 在 instances 中通过 id 找到要关闭的消息\r\n    if (id === instance.id) {\r\n      offsetHeight = instance.$el.offsetHeight\r\n      index = i\r\n\r\n      // 关闭消息\r\n      if (isFunction(beforeClose)) {\r\n        beforeClose.call(instance)\r\n      }\r\n\r\n      instances.splice(i, 1)\r\n    }\r\n  })\r\n\r\n  if (len <= 1 || index === -1 || index > instances.length - 1) {\r\n    return false\r\n  }\r\n\r\n  i = index\r\n\r\n  // 界面中的消息逐个向上收起\r\n  for (; i < len - 1; i += 1) {\r\n    const dom = instances[i].$el\r\n\r\n    dom.style['top'] = parseInt(dom.style['top'], 10) - offsetHeight - 16 + 'px'\r\n  }\r\n}\r\n\r\n// 关闭所有消息的静态方法\r\nMessage.clear = () => {\r\n  let i = instances.length - 1\r\n  for (; i >= 0; i -= 1) {\r\n    instances[i].close()\r\n  }\r\n}\r\n\r\nexport default Message\r\n","import isString from './utils/types/isString'\r\nimport isElement from './utils/types/isElement'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport later from './utils/lang/later'\r\nimport icon from './utils/icons/icon'\r\n\r\nconst _updateSiblingElements = (siblingElement, isPrev) => {\r\n  let tagName\r\n  let $sibling = siblingElement\r\n\r\n  while ($sibling) {\r\n    tagName = $sibling.tagName.toLowerCase()\r\n\r\n    if (tagName !== 'script' && tagName !== 'style') {\r\n      addClass($sibling, 'outline-print_sibling')\r\n    }\r\n\r\n    if (isPrev) {\r\n      $sibling = $sibling.previousElementSibling\r\n    } else {\r\n      $sibling = $sibling.nextElementSibling\r\n    }\r\n  }\r\n}\r\n\r\nconst paintPrint = (el, title) => {\r\n  const $fragment = document.createDocumentFragment()\r\n  let text = title\r\n  let $el\r\n  let $wrapper\r\n  let $article\r\n  let $title\r\n  let $sibling\r\n  let $icon\r\n  let $children\r\n\r\n  if (isString(el)) {\r\n    $el = document.querySelector(el)\r\n  } else if (isElement(el)) {\r\n    $el = el\r\n  }\r\n\r\n  if (!$el) {\r\n    return false\r\n  }\r\n\r\n  $icon = icon('close', {\r\n    iconSet: 'outline',\r\n    size: 20,\r\n    attrs: {\r\n      className: 'outline-print__close'\r\n    }\r\n  })\r\n\r\n  $title = $el.querySelector('h1')\r\n\r\n  if (isElement(title)) {\r\n    $title = title\r\n  }\r\n\r\n  if (isElement($title)) {\r\n    text = $title.innerText\r\n  }\r\n\r\n  $title = createElement(\r\n    'h1',\r\n    {\r\n      className: 'outline-print__title'\r\n    },\r\n    text\r\n  )\r\n\r\n  $article = createElement('article', {\r\n    id: 'outline-print__article',\r\n    className: 'outline-print__article'\r\n  })\r\n\r\n  $wrapper = createElement(\r\n    'section',\r\n    {\r\n      id: 'outline-print',\r\n      className: 'outline-print'\r\n    },\r\n    [$icon, $title, $article]\r\n  )\r\n  document.body.appendChild($wrapper)\r\n\r\n  later(() => {\r\n    // 设置邻居节点的打印样式\r\n    $sibling = $wrapper.previousElementSibling\r\n    _updateSiblingElements($sibling, true)\r\n\r\n    $sibling = $wrapper.nextElementSibling\r\n    _updateSiblingElements($sibling)\r\n\r\n    // 克隆文章内容\r\n    $children = $el.cloneNode(true).childNodes\r\n    $children.forEach(($child) => {\r\n      $fragment.appendChild($child)\r\n    })\r\n    $article.appendChild($fragment)\r\n  })\r\n}\r\n\r\nexport default paintPrint\r\n","import later from './utils/lang/later'\nimport cloneDeep from './utils/lang/cloneDeep'\nimport isFunction from './utils/types/isFunction'\nimport isString from './utils/types/isString'\nimport isElement from './utils/types/isElement'\nimport addClass from './utils/dom/addClass'\nimport removeClass from './utils/dom/removeClass'\nimport scrollTo from './utils/dom/scrollTo'\nimport _getScrollElement from './utils/dom/_getScrollElement'\nimport at from './utils/event/at'\nimport on from './utils/event/on'\nimport off from './utils/event/off'\nimport stop from './utils/event/stop'\n\nimport Base from './base'\nimport Anchors from './anchors'\nimport Drawer from './drawer'\nimport Chapters from './chapters'\nimport Toolbar from './toolbar'\nimport Message from './message'\nimport paintPrint from './print'\n\nconst ENTER_READING_TIP = '进入阅读模式，按 ESC 键可退出阅读模式'\n\nclass Outline extends Base {\n  constructor(options) {\n    super()\n\n    this.attrs = cloneDeep(Outline.DEFAULTS)\n    this.anchors = null\n    this.drawer = null\n    this.chapters = null\n    this.toolbar = null\n    this.buttons = []\n    this.reading = false\n\n    if (options) {\n      this.initialize(options)\n    }\n  }\n\n  initialize(options) {\n    this.attr(options)\n    this.$emit('created', { ...this.attr() })\n    this.render().addListeners()\n    return this\n  }\n\n  getChapters(isTreeStructured = false) {\n    return this.anchors.getChapters(isTreeStructured)\n  }\n\n  count() {\n    return this.anchors.count()\n  }\n\n  render() {\n    const hasToolbar = this.attr('hasToolbar')\n    const scrollElement = this.attr('scrollElement')\n    const $scrollElement = document.querySelector(scrollElement)\n\n    this._renderPrint()._renderAnchors()._renderChapters()._renderToolbar()\n\n    if ($scrollElement && hasToolbar) {\n      this.onToolbarUpdate({\n        top: $scrollElement.scrollTop,\n        min: 0,\n        max: $scrollElement.scrollHeight\n      })\n    }\n\n    this.$emit('mounted')\n\n    return this\n  }\n\n  _renderPrint() {\n    const option = this.attr('print')\n    const articleElement = this.attr('articleElement')\n    let $articleElement\n    let $print\n    let element\n\n    if (!option.element) {\n      return this\n    }\n\n    if (isString(articleElement)) {\n      $articleElement = document.querySelector(articleElement)\n    } else if (isElement(articleElement)) {\n      $articleElement = articleElement\n    }\n\n    addClass($articleElement, 'outline-article')\n\n    element = option.element\n\n    if (isString(element)) {\n      $print = document.querySelector(element)\n    } else if (isElement(element)) {\n      $print = element\n    }\n\n    paintPrint($print, option.title)\n\n    return this\n  }\n\n  _renderAnchors() {\n    const articleElement = this.attr('articleElement')\n    const selector = this.attr('selector')\n    const stickyHeight = this.attr('stickyHeight')\n    const scrollElement = this.attr('scrollElement')\n    const showCode = this.attr('showCode')\n    const anchorURL = this.attr('anchorURL')\n    const afterScroll = this.attr('afterScroll')\n    const chapterTextFilter = this.attr('chapterTextFilter')\n\n    this.anchors = new Anchors({\n      articleElement,\n      stickyHeight,\n      scrollElement,\n      selector,\n      showCode,\n      anchorURL,\n      afterScroll,\n      chapterTextFilter\n    })\n\n    return this\n  }\n\n  _renderChapters() {\n    const title = this.attr('title')\n    const stickyHeight = this.attr('stickyHeight')\n    const scrollElement = this.attr('scrollElement')\n    const customClass = this.attr('customClass')\n    const showCode = this.attr('showCode')\n    const animationCurrent = this.attr('animationCurrent')\n    const position = this.attr('position')\n    const placement = this.attr('placement')\n    const afterSticky = this.attr('afterSticky')\n    const afterToggle = this.attr('afterToggle')\n    const afterScroll = this.attr('afterScroll')\n    const count = this.count()\n    let parentElement = this.attr('parentElement')\n    let CHAPTERS_OPTIONS\n\n    if (count < 1) {\n      return this\n    }\n\n    CHAPTERS_OPTIONS = {\n      scrollElement,\n      showCode,\n      animationCurrent,\n      position,\n      title,\n      stickyHeight,\n      chapters: this.getChapters(),\n      afterSticky,\n      afterToggle,\n      afterScroll\n    }\n\n    if (position === 'relative') {\n      this.drawer = new Drawer({\n        placement,\n        title,\n        size: 'tiny',\n        hasOffset: true,\n        hasPadding: false,\n        customClass,\n        afterClosed: () => {\n          const toolbar = this.toolbar\n          toolbar.toggle()\n        }\n      })\n      parentElement = this.drawer.$main\n    } else {\n      CHAPTERS_OPTIONS.customClass = customClass\n    }\n\n    CHAPTERS_OPTIONS.parentElement = parentElement\n    this.chapters = new Chapters(CHAPTERS_OPTIONS)\n\n    return this\n  }\n\n  _renderToolbar() {\n    const hasToolbar = this.attr('hasToolbar')\n    const placement = this.attr('placement')\n    const homepage = this.attr('homepage')\n    const git = this.attr('git')\n    const tags = this.attr('tags')\n    const issues = this.attr('issues')\n    const tools = this.attr('tools')\n    const option = this.attr('print')\n    const count = this.count()\n    const UP = {\n      name: 'up',\n      icon: 'up',\n      size: 20,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:up'\n      }\n    }\n    const HOME = {\n      name: 'homepage',\n      icon: 'homepage',\n      size: 20,\n      link: homepage\n    }\n    const GIT = {\n      name: 'github',\n      icon: 'github',\n      size: 20,\n      link: git\n    }\n    const TAGS = {\n      name: 'tags',\n      icon: 'tags',\n      size: 20,\n      link: tags\n    }\n    const ISSUES = {\n      name: 'issues',\n      icon: 'issues',\n      size: 20,\n      link: issues\n    }\n    const MENU = {\n      name: 'menu',\n      icon: 'menu',\n      size: 18,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:toggle'\n      }\n    }\n    const READING = {\n      name: 'reading',\n      icon: 'file',\n      size: 18,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:reading'\n      }\n    }\n    const PRINT = {\n      name: 'print',\n      icon: 'print',\n      size: 20,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:print'\n      }\n    }\n    const DOWN = {\n      name: 'down',\n      icon: 'down',\n      size: 20,\n      action: {\n        type: 'click',\n        handler: 'toolbar:action:down'\n      }\n    }\n    const buttons = []\n\n    if (!hasToolbar) {\n      return this\n    }\n\n    buttons.push(UP)\n    if (count > 0) {\n      buttons.push(MENU)\n    }\n    if (homepage) {\n      buttons.push(HOME)\n    }\n    if (git) {\n      buttons.push(GIT)\n    }\n    if (tags) {\n      buttons.push(TAGS)\n    }\n    if (issues) {\n      buttons.push(ISSUES)\n    }\n    if (option.element) {\n      buttons.push(READING)\n      if (isFunction(print)) {\n        buttons.push(PRINT)\n      }\n    }\n    if (tools?.length > 0) {\n      buttons.push(...tools)\n    }\n    buttons.push(DOWN)\n    this.buttons = [...buttons]\n\n    this.toolbar = new Toolbar({\n      placement,\n      buttons\n    })\n\n    return this\n  }\n\n  addButton(button) {\n    const toolbar = this.toolbar\n    const buttons = this.buttons\n    buttons.splice(-1, 0, button)\n    toolbar.attr({\n      buttons\n    })\n    toolbar.refresh()\n    return this\n  }\n\n  removeButton(name) {\n    this.toolbar.remove(name)\n    return this\n  }\n\n  toTop() {\n    const afterScroll = this.attr('afterScroll')\n    const toolbar = this.toolbar\n    const chapters = this.chapters\n    const count = this.count()\n    const afterTop = () => {\n      toolbar.hide('up')\n      toolbar.show('down')\n\n      if (count > 0) {\n        chapters.highlight(0)\n        chapters.playing = false\n      }\n\n      if (isFunction(afterScroll)) {\n        afterScroll.call(toolbar, 'up')\n      }\n    }\n\n    if (count > 0) {\n      chapters.playing = true\n    }\n    this.scrollTo(0, afterTop)\n\n    return this\n  }\n\n  toBottom() {\n    const afterScroll = this.attr('afterScroll')\n    const $scrollElement = _getScrollElement(this.attr('scrollElement'))\n    const toolbar = this.toolbar\n    const chapters = this.chapters\n    const count = this.count()\n    const top = Math.floor(\n      $scrollElement.scrollHeight - $scrollElement.clientHeight\n    )\n    const afterDown = () => {\n      toolbar.hide('down')\n      toolbar.show('up')\n\n      if (count > 0) {\n        chapters.highlight(count - 1)\n        chapters.playing = false\n      }\n\n      if (isFunction(afterScroll)) {\n        afterScroll.call(toolbar, 'bottom')\n      }\n    }\n\n    if (count > 0) {\n      chapters.playing = true\n    }\n    this.scrollTo(top, afterDown)\n\n    return this\n  }\n\n  scrollTo(top, afterScroll) {\n    const scrollElement = this.attr('scrollElement')\n    scrollTo(scrollElement, top, afterScroll)\n    return this\n  }\n\n  enterReading() {\n    const READING = 'outline-reading'\n    const HIDDEN = `${READING}_hidden`\n    const $reading = document.querySelector('#outline-print')\n    const $siblings = document.querySelectorAll('.outline-print_sibling')\n    const options = this.attr('print')\n    const enterReadingTip = options.enterReadingTip || ENTER_READING_TIP\n\n    if (this.reading || !$reading) {\n      return this\n    }\n\n    $siblings.forEach(($sibling) => {\n      addClass($sibling, HIDDEN)\n    })\n    addClass($reading, READING)\n    this.reading = true\n\n    this.toolbar.toggle()\n\n    Message.info({\n      round: true,\n      message: enterReadingTip\n    })\n\n    this.$emit('enterReading')\n\n    return this\n  }\n\n  exitReading() {\n    const READING = 'outline-reading'\n    const HIDDEN = `${READING}_hidden`\n    const $reading = document.querySelector('#outline-print')\n    const $siblings = document.querySelectorAll('.outline-print_sibling')\n\n    if (!this.reading || !$reading) {\n      return this\n    }\n\n    removeClass($reading, READING)\n    $siblings.forEach(($sibling) => {\n      removeClass($sibling, HIDDEN)\n    })\n    this.reading = false\n\n    this.toolbar.toggle()\n\n    this.$emit('exitReading')\n\n    return this\n  }\n\n  switchReading() {\n    const $print = document.querySelector('#outline-print')\n\n    if (!$print) {\n      return this\n    }\n\n    if (!this.reading) {\n      this.enterReading()\n    } else {\n      this.exitReading()\n    }\n\n    return this\n  }\n\n  toggle() {\n    const position = this.attr('position')\n    const toolbar = this.toolbar\n    const drawer = this.drawer\n    const chapters = this.chapters\n    const count = this.count()\n\n    if (count < 1) {\n      return this\n    }\n\n    if (position !== 'relative') {\n      chapters.toggle()\n      toolbar.highlight('menu')\n    } else {\n      toolbar.toggle()\n\n      later(() => {\n        drawer.toggle()\n      })\n    }\n\n    return this\n  }\n\n  print() {\n    if (!isFunction(print)) {\n      return this\n    }\n\n    print()\n\n    return this\n  }\n\n  destroy() {\n    let anchors = this.anchors\n    let chapters = this.chapters\n    let drawer = this.drawer\n    let toolbar = this.toolbar\n    let isOutside = false\n    const count = this.count()\n    const $print = document.querySelector('#outline-print')\n\n    this.$emit('beforeDestroy')\n\n    this.removeListeners()\n\n    if ($print) {\n      document.body.removeChild($print)\n    }\n\n    if (count > 0) {\n      isOutside = chapters.isOutside()\n\n      chapters.destroy()\n      chapters = null\n\n      if (isOutside) {\n        drawer.destroy()\n        drawer = null\n      }\n    }\n\n    toolbar.destroy()\n    toolbar = null\n\n    anchors.destroy()\n    anchors = null\n\n    this.attr(Outline.DEFAULTS)\n\n    this.$emit('destroyed')\n\n    return this\n  }\n\n  onToggle() {\n    this.toggle()\n    return this\n  }\n\n  onScrollTop() {\n    this.toTop()\n    return this\n  }\n\n  onScrollBottom() {\n    this.toBottom()\n    return this\n  }\n\n  onEnterReading() {\n    this.switchReading()\n    return this\n  }\n\n  onExitReading(evt) {\n    const keyCode = evt.keyCode\n\n    if (keyCode === 27 && this.reading) {\n      this.switchReading()\n      stop(evt)\n    }\n\n    return this\n  }\n\n  onPrint() {\n    this.print()\n\n    return this\n  }\n\n  onToolbarUpdate({ top, min, max }) {\n    const toolbar = this.toolbar\n    const current = Math.ceil(top)\n\n    if (current <= min) {\n      toolbar.hide('up')\n      toolbar.show('down')\n    } else if (current >= max) {\n      toolbar.hide('down')\n      toolbar.show('up')\n    } else if (current > min && current < max) {\n      toolbar.show('up')\n      toolbar.show('down')\n    }\n\n    return this\n  }\n\n  addListeners() {\n    const hasToolbar = this.attr('hasToolbar')\n    const $print = document.querySelector('#outline-print')\n\n    if (hasToolbar) {\n      this.$on('toolbar:update', this.onToolbarUpdate)\n      this.$on('toolbar:action:up', this.onScrollTop)\n      this.$on('toolbar:action:toggle', this.onToggle)\n      this.$on('toolbar:action:reading', this.onEnterReading)\n      this.$on('toolbar:action:down', this.onScrollBottom)\n    }\n\n    if ($print) {\n      at(document, 'keyup', this.onExitReading, this, true)\n      on($print, '.outline-print__close', 'click', this.exitReading, this, true)\n      this.$on('toolbar:action:print', this.onPrint)\n    }\n\n    return this\n  }\n\n  removeListeners() {\n    const hasToolbar = this.attr('hasToolbar')\n    const $print = document.querySelector('#outline-print')\n\n    if (hasToolbar) {\n      this.$off('toolbar:update')\n      this.$off('toolbar:action:up')\n      this.$off('toolbar:action:toggle')\n      this.$off('toolbar:action:down')\n    }\n\n    if ($print) {\n      off(document, 'keyup', this.onExitReading)\n      off($print, 'click', this.exitReading)\n      this.$off('toolbar:action:print')\n    }\n\n    return this\n  }\n}\n\nOutline.DEFAULTS = {\n  articleElement: '#article',\n  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\ No newline at end of file
diff --git a/package.json b/package.json
index df97ff1e..0e657439 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@yaohaixiao/outline.js",
-  "version": "3.29.0",
+  "version": "3.30.0",
   "description": "outline.js - 自动生成文章导读（Table of Contents）导航的 JavaScript 工具。",
   "main": "outline.min.js",
   "files": [