diff --git a/docs/js/navigator.min.js b/docs/js/navigator.min.js
index 0ab28b3..532db1e 100644
--- a/docs/js/navigator.min.js
+++ b/docs/js/navigator.min.js
@@ -1,2 +1,2 @@
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 //# sourceMappingURL=navigator.min.js.map
diff --git a/docs/js/navigator.min.js.map b/docs/js/navigator.min.js.map
index ebcd531..10acff0 100644
--- a/docs/js/navigator.min.js.map
+++ b/docs/js/navigator.min.js.map
@@ -1 +1 @@
-{"version":3,"file":"navigator.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/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/lang/hasOwn.js","../../utils/dom/createElement.js","../../utils/dom/setAttributes.js","../../utils/dom/setAttribute.js","../../utils/lang/easeInQuad.js","../../utils/dom/_getScrollElement.js","../../utils/dom/scrollTo.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","../../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","../../navigator.js","../../_paintChapters.js","../../utils/dom/inBounding.js","../../utils/dom/intersection.js","../../utils/event/stop.js"],"sourcesContent":["/**\r\n * 检测数据是否为 String 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} str\r\n * @returns {boolean}\r\n */\r\nconst isString = (str) => {\r\n  return typeof str === 'string'\r\n}\r\n\r\nexport default isString\r\n","/**\r\n * Object 对象原型上的 toString 方法\r\n * ========================================================================\r\n * @method toString\r\n * @param {*} val\r\n * @returns {string}\r\n */\r\nconst toString = (val) => {\r\n  return Object.prototype.toString.apply(val)\r\n}\r\n\r\nexport default toString\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测测试数据是否为 Function 类型\r\n * ========================================================================\r\n * @method isFunction\r\n * @param {*} val - （必须）待检测的数据\r\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\r\n */\r\nconst isFunction = (val) => {\r\n  return typeof val === 'function' || toString(val) === '[object Function]'\r\n}\r\n\r\nexport default isFunction\r\n","import toString from '../lang/toString'\r\nimport isFunction from './isFunction'\r\n\r\n/**\r\n * 检测数据是否为 Object 类型\r\n * ========================================================================\r\n * @method isObject\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isObject = (o) => {\r\n  return (\r\n    (toString(o) === '[object Object]' ||\r\n      typeof o === 'object' ||\r\n      isFunction(o)) &&\r\n    o !== null\r\n  )\r\n}\r\n\r\nexport default isObject\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测数据是否为 HTMLElement DOM 节点\r\n * ========================================================================\r\n * @method isElement\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isElement = (o) => {\r\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\r\n}\r\n\r\nexport default isElement\r\n","import isFunction from '../types/isFunction'\r\n\r\n/**\r\n * later - 延迟执行方法\r\n * ========================================================================\r\n * @method later\r\n * @param {Function} fn\r\n * @param {Number} [delay]\r\n * @returns {number|boolean}\r\n */\r\nconst later = (fn, delay = 300) => {\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  return setTimeout(() => {\r\n    fn()\r\n  }, delay)\r\n}\r\n\r\nexport default later\r\n","export const CAPTURE_EVENTS = [\r\n  'focusout',\r\n  'blur',\r\n  'focusin',\r\n  'focus',\r\n  'load',\r\n  'unload',\r\n  'mouseenter',\r\n  'mouseleave'\r\n]\r\n","import { CAPTURE_EVENTS } from './enum'\r\nimport _delete from './_delete'\r\n\r\n/**\r\n * （私有方法）取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method _off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} fn - （必须）事件处理器回调函数\r\n * @private\r\n */\r\nconst _off = (el, type, fn) => {\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  /* istanbul ignore else */\r\n  if (fn._delegateListener) {\r\n    fn = fn._delegateListener\r\n    delete fn._delegateListener\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  _delete(el, type, fn)\r\n\r\n  el.removeEventListener(type, fn, capture)\r\n}\r\n\r\nexport default _off\r\n","/**\r\n * 删除 DOM 元素缓存的 _listeners 数据\r\n * ========================================================================\r\n * @method _delete\r\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\r\n * @param {String} type - 事件类型（名称）\r\n * @param {Function} [fn] - 事件处理器回调函数\r\n */\r\nconst _delete = function (el, type, fn) {\r\n  const listeners = el._listeners\r\n  let index = -1\r\n\r\n  if (listeners.length < 1) {\r\n    return false\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  listeners.forEach((listener, i) => {\r\n    const handler = listener.fn\r\n\r\n    if (type === listener.type) {\r\n      index = i\r\n\r\n      if (handler === fn) {\r\n        index = i\r\n      }\r\n    }\r\n  })\r\n\r\n  /* istanbul ignore else */\r\n  if (index > -1) {\r\n    listeners.splice(index, 1)\r\n  }\r\n}\r\n\r\nexport default _delete\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport getListeners from './getListeners'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 销毁（type 类型的）代理事件绑定\r\n * ========================================================================\r\n * 1. 设置了事件类型 type，则销毁指定类型的事件绑定，否则清除所有代理事件绑定\r\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\r\n * ========================================================================\r\n * @method purgeElement\r\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\r\n * @param {String|Boolean} type - （必须）事件类型\r\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\r\n */\r\nconst purgeElement = function (el, type, recurse = false) {\r\n  const $element = isString(el) ? document.querySelector(el) : el\r\n  const $children = $element.childNodes\r\n  const listeners = getListeners($element, type)\r\n\r\n  listeners.forEach((listener) => {\r\n    _off($element, listener.type, listener.fn)\r\n  })\r\n\r\n  if (\r\n    (recurse || type === true || arguments.length === 1) &&\r\n    $element &&\r\n    $children\r\n  ) {\r\n    $children.forEach(($child) => {\r\n      if (isElement($child)) {\r\n        purgeElement($child, type, recurse)\r\n      }\r\n    })\r\n  }\r\n}\r\n\r\nexport default purgeElement\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 获取 DOM 元素（type 事件类型）事件绑定信息\r\n * ========================================================================\r\n * 如果设置了事件类型 type， 则返回指定类型的事件绑定信息，否则返回所有事件绑定信息\r\n * ========================================================================\r\n * @methods getListeners\r\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\r\n * @param {String} [type] - （可选）事件类型\r\n * @returns {Array} - 已绑定的事件信息\r\n */\r\nconst getListeners = (el, type) => {\r\n  let listeners = el._listeners || []\r\n\r\n  if (isString(type) && type) {\r\n    listeners = listeners.filter((listener) => {\r\n      return listener.type === type\r\n    })\r\n  }\r\n\r\n  return listeners\r\n}\r\n\r\nexport default getListeners\r\n","import purgeElement from './purgeElement'\r\nimport isFunction from '../types/isFunction'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method off\r\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} [fn] - （可选）事件处理器回调函数\r\n */\r\nconst off = (el, type, fn) => {\r\n  // 如果不设置 fn 参数，默认清除 el 元素上绑定的所有事件处理器\r\n  if (!isFunction(fn)) {\r\n    purgeElement(el, type)\r\n    return false\r\n  }\r\n\r\n  _off(el, type, fn)\r\n}\r\n\r\nexport default off\r\n","import isFunction from '../types/isFunction'\r\nimport off from './off'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定事件\r\n * ========================================================================\r\n * @method at\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （必须） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst at = (el, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n  const listener = function (evt) {\r\n    let overrideContext = context || el\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    // 仅触发一次\r\n    /* istanbul ignore else */\r\n    if (once === true) {\r\n      off(el, type, listener)\r\n    }\r\n\r\n    fn.call(overrideContext, evt, data)\r\n  }\r\n\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default at\r\n","/**\r\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\r\n * ========================================================================\r\n * Element.matches() 方法可以用来判断 DOM 元素是否与给定的选择器匹配，事件代理判断是\r\n * 否触发绑定的代理事件回调函数，关键就是使用 Element.matches() 辨别当前事件触发的目\r\n * 标 DOM 元素是否为事件代理所期望触发的目标。\r\n * ========================================================================\r\n * @method matches\r\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\r\n * @returns {Boolean}\r\n */\r\nconst matches = (el, selector = '') => {\r\n  const sel = selector.replace(/^>/i, '')\r\n\r\n  if (!selector || !sel || !el) {\r\n    return false\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (el.matches) {\r\n    return el.matches(sel)\r\n  } else if (el.msMatchesSelector) {\r\n    return el.msMatchesSelector(sel)\r\n  } else {\r\n    return false\r\n  }\r\n}\r\n\r\nexport default matches\r\n","/**\r\n * 获取 DOM 元素的父节点\r\n * ========================================================================\r\n * @method getParentOrHost\r\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\r\n * @returns {*|HTMLElement}\r\n */\r\nconst getParentOrHost = (el) => {\r\n  return el.host && el !== document && el.host.nodeType\r\n    ? el.host\r\n    : el.parentNode\r\n}\r\n\r\nexport default getParentOrHost\r\n","import closest from '../dom/closest'\r\nimport off from './off'\r\nimport getTarget from './getTarget'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定代理事件\r\n * ========================================================================\r\n * @method on\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （可选） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst on = (el, selector, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  const listener = function (evt) {\r\n    const target = getTarget(evt)\r\n    // 通过 Element.matches 方法获得点击的目标元素\r\n    const delegateTarget = closest(target, selector, el)\r\n    let overrideContext = context || el\r\n\r\n    evt.delegateTarget = delegateTarget\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (delegateTarget) {\r\n      // 仅触发一次\r\n      /* istanbul ignore else */\r\n      if (once === true) {\r\n        off(el, type, listener)\r\n      }\r\n\r\n      fn.call(overrideContext, evt, data)\r\n    }\r\n  }\r\n\r\n  if (!el) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    selector,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default on\r\n","import resolveTextNode from '../dom/resolveTextNode'\r\n\r\n/**\r\n * 返回触发事件的 target DOM 元素\r\n * ========================================================================\r\n * @method getTarget\r\n * @param {Event} evt - Event 对象\r\n * @return {HTMLElement} - Event 对象的 target DOM 元素\r\n */\r\nconst getTarget = function (evt) {\r\n  const target = evt.target\r\n\r\n  return resolveTextNode(target)\r\n}\r\n\r\nexport default getTarget\r\n","/**\r\n * 在某些情况下，某些浏览器（例如：Safari 浏览器）会返回实际的目标元素内部的文本节点。\r\n * resolveTextNode() 方法则会返回实际的目标节点。\r\n * ========================================================================\r\n * @method resolveTextNode\r\n * @param {HTMLElement|Text} el - 要解析的节点\r\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\r\n */\r\nconst resolveTextNode = function (el) {\r\n  if (el && el.nodeType === 3) {\r\n    return el.parentNode\r\n  }\r\n\r\n  return el\r\n}\r\n\r\nexport default resolveTextNode\r\n","import matches from './matches'\r\nimport getParentOrHost from './getParentOrHost'\r\n\r\n/**\r\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\r\n * ========================================================================\r\n * @method closest\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）DOM 元素的选择其\r\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\r\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\r\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\r\n */\r\nconst closest = (el, selector, ctx, includeCTX) => {\r\n  const context = ctx || document\r\n\r\n  if (!el) {\r\n    return null\r\n  }\r\n\r\n  do {\r\n    /* istanbul ignore else */\r\n    if (\r\n      (selector != null &&\r\n        (selector.startsWith('>')\r\n          ? el.parentNode === context && matches(el, selector)\r\n          : matches(el, selector))) ||\r\n      (includeCTX && el === context)\r\n    ) {\r\n      return el\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (el === context) {\r\n      break\r\n    }\r\n\r\n    /* jshint boss:true */\r\n  } while ((el = getParentOrHost(el)))\r\n}\r\n\r\nexport default closest\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测数据是否为 Array 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isArray = (o) => {\r\n  if (Array.isArray) {\r\n    return Array.isArray(o)\r\n  } else {\r\n    return toString(o) === '[object Array]'\r\n  }\r\n}\r\n\r\nexport default isArray\r\n","import isObject from './isObject'\r\nimport isElement from './isElement'\r\nimport isHTMLCollection from './isHTMLCollection'\r\nimport isFragment from './isFragment'\r\nimport isTextNode from './isTextNode'\r\n\r\nconst isDOM = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (isElement(el) || isHTMLCollection(el) || isFragment(el) || isTextNode(el))\r\n  )\r\n}\r\n\r\nexport default isDOM\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isHTMLCollection = (el) => {\r\n  return !!(isObject(el) && toString(el) === '[object NodeList]')\r\n}\r\n\r\nexport default isHTMLCollection\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isFragment = (fragment) => {\r\n  return !!(\r\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\r\n  )\r\n}\r\n\r\nexport default isFragment\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isTextNode = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (toString(el) === '[object Text]' || (el.tagName && el.nodeType === 3))\r\n  )\r\n}\r\n\r\nexport default isTextNode\r\n","/**\r\n * 检测对象自身属性中是否具有指定的属性。\r\n * ========================================================================\r\n * @method hasOwn\r\n * @param {Object} obj - （必须）检测的目标对象\r\n * @param {String} prop - （必须）属性名\r\n * @returns {Boolean}\r\n */\r\nconst hasOwn = (obj, prop) => {\r\n  const hasOwnProperty = Object.prototype.hasOwnProperty\r\n  return obj && hasOwnProperty.call(obj, prop)\r\n}\r\n\r\nexport default hasOwn\r\n","import isObject from '../types/isObject'\r\nimport isString from '../types/isString'\r\nimport isArray from '../types/isArray'\r\nimport isDOM from '../types/isDOM'\r\nimport setAttributes from './setAttributes'\r\n\r\n/**\r\n * 创建 DOM 节点，并添加属性和子节点\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} tagName - 标签名称\r\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\r\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (tagName, attrs, children) => {\r\n  const $fragment = document.createDocumentFragment()\r\n  const $el = document.createElement(tagName)\r\n  const isValidChild = (child) => {\r\n    return isDOM(child) || isString(child)\r\n  }\r\n  const append = (child) => {\r\n    let $child\r\n\r\n    if (!isValidChild(child)) {\r\n      return false\r\n    }\r\n\r\n    if (isDOM(child)) {\r\n      $child = child\r\n    } else if (isString(child)) {\r\n      $child = document.createTextNode(child)\r\n    }\r\n\r\n    $fragment.appendChild($child)\r\n  }\r\n\r\n  if (isObject(attrs)) {\r\n    setAttributes($el, attrs)\r\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\r\n    attrs.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else if (isDOM(attrs)) {\r\n    append(attrs)\r\n  } else if (isString(attrs)) {\r\n    append(document.createTextNode(attrs))\r\n  }\r\n\r\n  if (isArray(children)) {\r\n    children.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else {\r\n    append(children)\r\n  }\r\n\r\n  $el.appendChild($fragment)\r\n\r\n  return $el\r\n}\r\n\r\nexport default createElement\r\n","import isObject from '../types/isObject'\r\nimport hasOwn from '../lang/hasOwn'\r\nimport setAttribute from './setAttribute'\r\n\r\nconst setAttributes = (el, attrs) => {\r\n  if (!el || !isObject(attrs)) {\r\n    return false\r\n  }\r\n\r\n  Object.keys(attrs).forEach((attr) => {\r\n    const value = attrs[attr]\r\n    if (hasOwn(attrs, attr)) {\r\n      setAttribute(el, attr, value)\r\n    }\r\n  })\r\n}\r\n\r\nexport default setAttributes\r\n","/**\r\n * 给 DOM 节点设置属性/值\r\n * ========================================================================\r\n * @method setAttribute\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} attr - 属性名称\r\n * @param {String|Number|Boolean} value - 属性值\r\n */\r\nconst setAttribute = (el, attr, value) => {\r\n  let tagName = el.tagName.toLowerCase()\r\n\r\n  switch (attr) {\r\n    case 'style':\r\n      el.style.cssText = value\r\n      break\r\n    case 'value':\r\n      if (tagName === 'input' || tagName === 'textarea') {\r\n        el.value = value\r\n      } else {\r\n        el.setAttribute(attr, value)\r\n      }\r\n      break\r\n    case 'htmlFor':\r\n      el.setAttribute('for', value)\r\n      break\r\n    case 'className':\r\n      el.className = value\r\n      break\r\n    case 'innerHTML':\r\n      el.innerHTML = value\r\n      break\r\n    case 'innerText':\r\n      el.innerText = value\r\n      break\r\n    default:\r\n      el.setAttribute(attr, value)\r\n      break\r\n  }\r\n}\r\n\r\nexport default setAttribute\r\n","/**\r\n * 返回给定值的平方值\r\n * ========================================================================\r\n * @method easeInQuad\r\n * @param {Number} x\r\n * @returns {number}\r\n */\r\nconst easeInQuad = (x) => {\r\n  return x * x\r\n}\r\n\r\nexport default easeInQuad\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\r\n * ========================================================================\r\n * @method _getScrollElement\r\n * @param {String|HTMLElement} scrollElement\r\n * @returns {Element}\r\n * @private\r\n */\r\nconst _getScrollElement = (scrollElement = null) => {\r\n  let $rootElements\r\n  let $scrollElement\r\n\r\n  if (!scrollElement) {\r\n    $rootElements = document.querySelectorAll('html,body')\r\n    $scrollElement =\r\n      $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\r\n        ? $rootElements[0]\r\n        : $rootElements[1]\r\n  } else {\r\n    if (isString(scrollElement)) {\r\n      $scrollElement = document.querySelector(scrollElement)\r\n    } else if (isElement(scrollElement)) {\r\n      $scrollElement = scrollElement\r\n    }\r\n  }\r\n\r\n  return $scrollElement\r\n}\r\n\r\nexport default _getScrollElement\r\n","import easeInQuad from '../lang/easeInQuad'\r\nimport isFunction from '../types/isFunction'\r\nimport _getScrollElement from './_getScrollElement'\r\n\r\n/**\r\n * 指定 rootElement DOM 节点滚动到指定 top 位置\r\n * ========================================================================\r\n * @method scrollTo\r\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\r\n * @param {Number} top - （必须）滚动的 scrollTop 数值\r\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\r\n */\r\nconst scrollTo = (scrollElement, top, afterStop) => {\r\n  const $scrollElement = _getScrollElement(scrollElement)\r\n  let scrollTop = $scrollElement.scrollTop\r\n  let step = 0\r\n  const distance = top - scrollTop\r\n  const MAX_HEIGHT = $scrollElement.scrollHeight\r\n  const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\r\n  const stop = (top) => {\r\n    if (isFunction(afterStop)) {\r\n      afterStop(top)\r\n    }\r\n\r\n    return false\r\n  }\r\n  const play = () => {\r\n    step += 1\r\n\r\n    // 向上滚动\r\n    if (distance < 0) {\r\n      scrollTop -= easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop <= top) {\r\n        $scrollElement.scrollTop = top\r\n        return stop(top)\r\n      }\r\n    } else {\r\n      scrollTop += easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop >= MAX_TOP) {\r\n        $scrollElement.scrollTop = MAX_TOP\r\n        return stop(MAX_TOP)\r\n      }\r\n    }\r\n\r\n    // eslint-disable-next-line compat/compat\r\n    requestAnimationFrame(play)\r\n  }\r\n\r\n  // eslint-disable-next-line compat/compat\r\n  requestAnimationFrame(play)\r\n}\r\n\r\nexport default scrollTo\r\n","import isElement from '../types/isElement'\r\n/**\r\n * 检测 DOM 节点是否包含名为 className 的样式\r\n * ========================================================================\r\n * @method hasClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst hasClass = (el, className) => {\r\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\r\n  let allClass\r\n  let classList\r\n\r\n  if (!isElement(el)) {\r\n    return false\r\n  }\r\n\r\n  allClass = el.className\r\n\r\n  if (!allClass) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList && classList.contains) {\r\n    return el.classList.contains(className)\r\n  }\r\n\r\n  return !!pattern.exec(allClass)\r\n}\r\n\r\nexport default hasClass\r\n","import hasClass from './hasClass'\r\n\r\n/**\r\n * 给 DOM 节点添加名为 className 的样式\r\n * ========================================================================\r\n * @method addClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst addClass = (el, className) => {\r\n  let classList\r\n  let allClass\r\n\r\n  if (hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.add) {\r\n    classList.add(className)\r\n  } else {\r\n    allClass = el.className\r\n    allClass += allClass.length > 0 ? ' ' + className : className\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default addClass\r\n","import trim from '../lang/trim'\r\nimport hasClass from './hasClass'\r\n\r\n/**\r\n * 移除 DOM 节点的 className 样式\r\n * ========================================================================\r\n * @method removeClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst removeClass = (el, className) => {\r\n  let allClass = el.className\r\n  let classList\r\n\r\n  if (!allClass || !hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.remove) {\r\n    classList.remove(className)\r\n  } else {\r\n    allClass = trim(allClass.replace(className, ''))\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default removeClass\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 清楚字符串起始位置所有的空格\r\n * ========================================================================\r\n * @method trim\r\n * @param {string} str\r\n * @returns {string|Boolean}\r\n */\r\nconst trim = (str) => {\r\n  if (!isString(str)) {\r\n    return false\r\n  }\r\n  return str.replace(/(^\\s+)|(\\s+$)/g, '')\r\n}\r\n\r\nexport default trim\r\n","/**\r\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\r\n * ========================================================================\r\n * @method offsetTop\r\n * @param {HTMLElement} el - DOM 节点\r\n * @returns {Number}\r\n */\r\nconst offsetTop = (el) => {\r\n  let top = el.offsetTop\r\n\r\n  if (el.offsetParent !== null) {\r\n    top += offsetTop(el.offsetParent)\r\n  }\r\n\r\n  return top\r\n}\r\n\r\nexport default offsetTop\r\n","/**\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","/**\r\n * timeSlice.js 时间切片功能函数\r\n * ====================================================\r\n * Created By: Yaohaixiao\r\n * Update: 2023.09.04\r\n */\r\nimport isFunction from '../types/isFunction'\r\nimport later from './later'\r\n\r\nconst queue = []\r\nlet isHandling\r\nlet done\r\n\r\n// Shim from https://developers.google.com/web/updates/2015/08/using-requestidlecallback\r\nif (typeof window.requestIdleCallback === 'undefined') {\r\n  window.requestIdleCallback = function (cb) {\r\n    const start = Date.now()\r\n    return later(function () {\r\n      cb({\r\n        didTimeout: false,\r\n        timeRemaining: function () {\r\n          return Math.max(0, 50 - (Date.now() - start))\r\n        }\r\n      })\r\n    }, 10)\r\n  }\r\n\r\n  window.cancelIdleCallback = function (id) {\r\n    clearTimeout(id)\r\n  }\r\n}\r\n\r\nfunction runIdle(idleDeadline) {\r\n  while (idleDeadline.timeRemaining() > 0 && queue.length) {\r\n    const fn = queue.shift()\r\n\r\n    if (!isFunction(fn)) {\r\n      return false\r\n    }\r\n\r\n    fn()\r\n  }\r\n\r\n  if (queue.length) {\r\n    isHandling = requestIdleCallback(runIdle)\r\n  } else {\r\n    isHandling = 0\r\n\r\n    if (isFunction(done)) {\r\n      done()\r\n      done = null\r\n    }\r\n  }\r\n}\r\n\r\n/**\r\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\r\n * 多个短时间任务\r\n * ====================================================\r\n * @param {Function} fn - 需要在空闲时执行的回调函数\r\n * @param {Function} afterComplete - queen 的\r\n * @return {(function(): (boolean|undefined))|*|boolean}\r\n */\r\nconst timeSlice = (fn, afterComplete = null) => {\r\n  queue.push(fn)\r\n\r\n  if (isFunction(afterComplete)) {\r\n    done = afterComplete\r\n  }\r\n\r\n  if (!isHandling) {\r\n    requestIdleCallback(runIdle)\r\n  }\r\n}\r\n\r\nexport default timeSlice\r\n","/**\r\n * 存储订阅者（主题和处理器的）私有对象\r\n * ========================================================================\r\n * @type {{}}\r\n * @private\r\n */\r\nconst _subscribers = {}\r\n\r\nexport default _subscribers\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\r\n * ========================================================================\r\n * @method _hasDirectSubscribersFor\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasDirectSubscribersFor = (topic) => {\r\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\r\n}\r\n\r\nexport default _hasDirectSubscribersFor\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\nimport _hasSubscribers from './_hasSubscribers'\r\n\r\n/**\r\n * 判断是否存在包含 topic 指定的订阅者信息\r\n * ========================================================================\r\n * @method has\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\r\n * @returns {Boolean}\r\n */\r\nconst has = (topic, isDirect = true) => {\r\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\r\n}\r\n\r\nexport default has\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * 判断是否存在包含给定 topic 相关的订阅者信息\r\n * ========================================================================\r\n * @method _hasSubscribers\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasSubscribers = (topic) => {\r\n  let found = _hasDirectSubscribersFor(topic)\r\n  let position = topic.lastIndexOf('.')\r\n\r\n  while (!found && position !== -1) {\r\n    topic = topic.substring(0, position)\r\n    position = topic.lastIndexOf('.')\r\n    found = _hasDirectSubscribersFor(topic)\r\n  }\r\n\r\n  return found\r\n}\r\n\r\nexport default _hasSubscribers\r\n","import isTypedArray from '../types/isTypedArray'\r\nimport _subscribers from './_subscribers'\r\nimport has from './has'\r\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * （异步）发布订阅主题信息\r\n * ========================================================================\r\n * 主题默认是异步发布的。确保在消费者处理主题时，主题的发起者不会被阻止。\r\n * ========================================================================\r\n * @method emit\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Object} [data] - （可选）数据对象\r\n * @param {Boolean} [async] - (可选) 是否异步发布\r\n */\r\nconst emit = (topic, data, async = true) => {\r\n  const execute = (topic) => {\r\n    if (!_hasDirectSubscribersFor(topic)) {\r\n      return false\r\n    }\r\n\r\n    _subscribers[topic].forEach((subscriber) => {\r\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\r\n      // 采用 toString() 方法转化为普通（JSON）字符串\r\n      const message = isTypedArray(data) ? data.toString() : data\r\n\r\n      subscriber.callback.call(subscriber.context || subscriber, message)\r\n    })\r\n  }\r\n  const deliver = () => {\r\n    let subscriber = topic\r\n    let position = topic.lastIndexOf('.')\r\n\r\n    while (position !== -1) {\r\n      subscriber = subscriber.substring(0, position)\r\n      position = subscriber.lastIndexOf('.')\r\n\r\n      execute(subscriber)\r\n    }\r\n\r\n    // 执行 topic 对应的处理器\r\n    execute(topic)\r\n    // 执行特殊 topic：'*'（监听全部消息的发布）\r\n    execute('*')\r\n  }\r\n\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (async) {\r\n    setTimeout(deliver, 10)\r\n  } else {\r\n    deliver()\r\n  }\r\n}\r\n\r\nexport default emit\r\n","import toString from '../lang/toString'\r\n/**\r\n * 判断检测数据是否为 Typed Arrays 类型的数据\r\n * ========================================================================\r\n * @param {*} val\r\n * @returns {boolean}\r\n */\r\nconst isTypedArray = (val) => {\r\n  const TYPES = [\r\n    '[object Int8Array]',\r\n    '[object Uint8Array]',\r\n    '[object Uint8ClampedArray]',\r\n    '[object Int16Array]',\r\n    '[object Uint16Array]',\r\n    '[object Int32Array]',\r\n    '[object Uint32Array]',\r\n    '[object Float32Array]',\r\n    '[object Float64Array]',\r\n    '[object BigInt64Array]',\r\n    '[object BigUint64Array]'\r\n  ]\r\n\r\n  return TYPES.indexOf(toString(val)) > -1\r\n}\r\n\r\nexport default isTypedArray\r\n","/**\r\n * 生成唯一 id 字符串的函数\r\n * ========================================================================\r\n * @method guid\r\n * @param {String} [prefix] - 生成 id 的前缀字符串\r\n * @return {String} 返回一个表示唯一 id 的字符串\r\n */\r\nconst guid = (() => {\r\n  let uuid = 0\r\n\r\n  return (prefix) => {\r\n    uuid += 1\r\n\r\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\r\n  }\r\n})()\r\n\r\nexport default guid\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 删除与给定 topic 相同的订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriber\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _removeSubscriber = (topic) => {\r\n  if (!hasOwn(_subscribers, topic)) {\r\n    return false\r\n  }\r\n\r\n  delete _subscribers[topic]\r\n}\r\n\r\nexport default _removeSubscriber\r\n","import has from './has'\r\nimport _removeSubscriber from './_removeSubscriber'\r\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\r\n\r\n/**\r\n * 取消订阅主题\r\n * ========================================================================\r\n * @method off\r\n * @param {String} topic - （必须）订阅的主题\r\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\r\n */\r\nconst off = (topic, token) => {\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (token) {\r\n    _removeSubscriberByToken(token)\r\n  } else {\r\n    _removeSubscriber(topic)\r\n  }\r\n}\r\n\r\nexport default off\r\n","import _subscribers from './_subscribers'\r\nimport _removeSubscriber from './_removeSubscriber'\r\n\r\n/**\r\n * 通过订阅者 token 值删除订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriberByToken\r\n * @param {String} token - 订阅者 token 字符串\r\n * @returns {boolean}\r\n * @private\r\n */\r\nconst _removeSubscriberByToken = (token) => {\r\n  const keys = Object.keys(_subscribers)\r\n  let index = -1\r\n\r\n  if (!token || keys.length < 1) {\r\n    return false\r\n  }\r\n\r\n  keys.forEach((subject) => {\r\n    const subscriber = _subscribers[subject]\r\n    let topic\r\n\r\n    subscriber.forEach((execution, j) => {\r\n      if (execution.callback === token || execution.token === token) {\r\n        topic = execution.topic\r\n        subscriber.splice(index, j)\r\n      }\r\n    })\r\n\r\n    /* istanbul ignore else */\r\n    if (subscriber.length < 1) {\r\n      _removeSubscriber(topic)\r\n    }\r\n  })\r\n}\r\n\r\nexport default _removeSubscriberByToken\r\n","import 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  refresh() {\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    let attrs = this.attr()\r\n\r\n    if (options) {\r\n      attrs = this.attr(options)\r\n    }\r\n\r\n    this.destroy().initialize(attrs)\r\n\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'\r\n\r\n/**\r\n * 扩展对象\r\n * ========================================================================\r\n * @method extend\r\n * @param {Object} origin\r\n * @param {Object} source\r\n */\r\nconst extend = (origin, source) => {\r\n  const keys = Object.keys(source)\r\n\r\n  keys.forEach((prop) => {\r\n    if (hasOwn(source, prop)) {\r\n      origin[prop] = source[prop]\r\n    }\r\n  })\r\n}\r\n\r\nexport default extend\r\n","import _subscribers from './_subscribers'\r\nimport isFunction from '../types/isFunction'\r\nimport guid from '../lang/guid'\r\n\r\n/**\r\n * 订阅主题，并给出处理器函数\r\n * ========================================================================\r\n * @method on\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Function} handler - （必须）主题的处理器函数\r\n * @param {Object} [context] - （可选）指定 this 执行上下文\r\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\r\n */\r\nconst on = (topic, handler, context = null) => {\r\n  const token = guid()\r\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\r\n\r\n  if (!isFunction(handler)) {\r\n    return ''\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (!_subscribers[subject]) {\r\n    _subscribers[subject] = []\r\n  }\r\n\r\n  _subscribers[subject].push({\r\n    topic: subject,\r\n    callback: handler,\r\n    context,\r\n    token\r\n  })\r\n\r\n  return token\r\n}\r\n\r\nexport default on\r\n","import isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport later from './utils/lang/later'\r\nimport at from './utils/event/at'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport createElement from './utils/dom/createElement'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport addClass from './utils/dom/addClass'\r\nimport intersection from './utils/dom/intersection'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport getStyle from './utils/dom/getStyle'\r\nimport setProperty from './utils/dom/setProperty'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\n\r\nimport _paintChapters from './_paintChapters'\r\nimport inBounding from './utils/dom/inBounding'\r\n\r\nimport Base from './base'\r\n\r\nclass Navigator extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    this.scrollTimer = null\r\n    this.resizeTimer = null\r\n    this.observerTimer = null\r\n    this.Observer = null\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Navigator.DEFAULTS)\r\n\r\n    this.$el = null\r\n    this.$title = null\r\n    this.$main = null\r\n    this.$list = null\r\n    this.$placeholder = null\r\n    this.$parentElement = null\r\n    this.$scrollElement = null\r\n    this.$active = null\r\n\r\n    this.chapters = []\r\n    this.active = 0\r\n    this.offsetWidth = 0\r\n    this.offsetTop = 0\r\n    this.playing = false\r\n    this.closed = false\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let parentElement\r\n    let scrollElement\r\n    let $parent\r\n\r\n    this.attr(options)\r\n\r\n    created = this.attr('created')\r\n    parentElement = this.attr('parentElement')\r\n    scrollElement = this.attr('scrollElement')\r\n\r\n    if (isString(parentElement)) {\r\n      $parent = document.querySelector(parentElement)\r\n    } else if (isElement(parentElement)) {\r\n      $parent = parentElement\r\n    }\r\n    this.$parentElement = $parent\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n\r\n    this.chapters = this.attr('chapters')\r\n    this.closed = this.attr('closed')\r\n    this.active = this.attr('active')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    if (this.chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    this.$active = document.querySelector(`#chapter-${this.active}`)\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  isSticky() {\r\n    const position = this.attr('position')\r\n    return position === 'sticky'\r\n  }\r\n\r\n  isFixed() {\r\n    const position = this.attr('position')\r\n    return position === 'fixed'\r\n  }\r\n\r\n  isInside() {\r\n    return this.isFixed() || this.isSticky()\r\n  }\r\n\r\n  isOutside() {\r\n    return !this.isInside()\r\n  }\r\n\r\n  count() {\r\n    return this.chapters.length\r\n  }\r\n\r\n  _paintEdge() {\r\n    const $fragment = document.createDocumentFragment()\r\n    const STICKY = 'outline-navigator_sticky'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const title = this.attr('title')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const customClass = this.attr('customClass')\r\n    const $parentElement = this.$parentElement\r\n    const children = []\r\n    const contents = []\r\n    let $title = null\r\n    let $el\r\n    let $main\r\n    let $list\r\n    let $placeholder\r\n\r\n    if (!$parentElement) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside() && title) {\r\n      $title = createElement(\r\n        'h2',\r\n        {\r\n          className: 'outline-navigator__title'\r\n        },\r\n        title\r\n      )\r\n      this.$title = $title\r\n      contents.push($title)\r\n    }\r\n\r\n    $list = createElement('ul', {\r\n      // 为优化性能，添加了 _fixed 和 _hidden\r\n      // fixed 为了让 $list 脱离流布局\r\n      // hidden 让 $list 不可见\r\n      className: `outline-navigator__list`\r\n    })\r\n    this.$list = $list\r\n    children.push($list)\r\n\r\n    if (animationCurrent) {\r\n      $placeholder = createElement('div', {\r\n        className: 'outline-navigator__placeholder'\r\n      })\r\n      this.$placeholder = $placeholder\r\n      children.push($placeholder)\r\n    }\r\n\r\n    $main = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-navigator__main'\r\n      },\r\n      children\r\n    )\r\n    this.$main = $main\r\n    contents.push($main)\r\n\r\n    $el = createElement(\r\n      'nav',\r\n      {\r\n        id: 'outline-navigator',\r\n        className: `outline-navigator ${HIDDEN}`\r\n      },\r\n      contents\r\n    )\r\n    this.$el = $el\r\n\r\n    if (this.isSticky()) {\r\n      this.calculateStickyHeight()\r\n      addClass($el, STICKY)\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($el, customClass)\r\n    }\r\n    $fragment.appendChild($el)\r\n    $parentElement.appendChild($fragment)\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const $parentElement = this.$parentElement\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n    let $el\r\n\r\n    if (!$parentElement || chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside()) {\r\n      addClass($parentElement, 'outline-navigator-parent')\r\n    }\r\n\r\n    this._paintEdge()\r\n    $el = this.$el\r\n\r\n    this._paint(chapters)\r\n\r\n    later(() => {\r\n      this.highlight(this.active)\r\n    }, 60)\r\n\r\n    this.offsetTop = offsetTop($el)\r\n    this.offsetWidth = $el.offsetWidth\r\n\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      setProperty('--outline-navigator-width', `${this.offsetWidth}px`)\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    if (count < 400) {\r\n      this.onObserver()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$list.innerHTML = ''\r\n\r\n    return this\r\n  }\r\n\r\n  _paint(chapters) {\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const showCode = this.attr('showCode')\r\n    const $el = this.$el\r\n    const $list = this.$list\r\n\r\n    _paintChapters($list, chapters, showCode)\r\n    removeClass($el, HIDDEN)\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    this.$parentElement.removeChild(this.$el)\r\n    return this\r\n  }\r\n\r\n  refresh(chapters) {\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const $el = this.$el\r\n\r\n    removeClass($el, HIDDEN)\r\n    this.erase()._paint(chapters)\r\n\r\n    return this\r\n  }\r\n\r\n  _getPlaceholderOffset(index) {\r\n    const $main = this.$main\r\n    const $list = this.$list\r\n    const $anchor = $list.querySelector('.outline-navigator__anchor')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const mainPaddingTop = parseInt(getStyle($main, 'padding-top'), 10)\r\n    const mainBorderTop = parseInt(getStyle($main, 'border-top-width'), 10)\r\n    const placeholderPaddingTop = parseInt(getStyle($list, 'padding-top'), 10)\r\n    const placeholderMarginTop = parseInt(getStyle($list, 'margin-top'), 10)\r\n    const placeholderBorderTop = parseInt(\r\n      getStyle($list, 'border-top-width'),\r\n      10\r\n    )\r\n    let height = $anchor.offsetHeight\r\n    let offsetTop = 0\r\n    let top\r\n\r\n    if (!animationCurrent) {\r\n      return this\r\n    }\r\n\r\n    if (mainPaddingTop) {\r\n      offsetTop += mainPaddingTop\r\n    }\r\n\r\n    if (placeholderPaddingTop) {\r\n      offsetTop += placeholderPaddingTop\r\n    }\r\n\r\n    if (placeholderMarginTop) {\r\n      offsetTop += placeholderMarginTop\r\n    }\r\n\r\n    if (mainBorderTop) {\r\n      offsetTop += mainBorderTop\r\n    }\r\n\r\n    if (placeholderBorderTop) {\r\n      offsetTop += placeholderBorderTop\r\n    }\r\n\r\n    top = height * index\r\n\r\n    return offsetTop + top\r\n  }\r\n\r\n  positionPlaceholder(index) {\r\n    const $list = this.$list\r\n    const $placeholder = this.$placeholder\r\n    const $anchor = $list.querySelector('.outline-navigator__anchor')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const height = $anchor.offsetHeight\r\n    let offsetTop = 0\r\n\r\n    if (!animationCurrent) {\r\n      return this\r\n    }\r\n\r\n    offsetTop = this._getPlaceholderOffset(index)\r\n\r\n    $placeholder.style.cssText = `transform: translateY(${offsetTop}px);height:${height}px;`\r\n\r\n    return this\r\n  }\r\n\r\n  highlight(id) {\r\n    const $el = this.$el\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const ACTIVE = 'outline-navigator_active'\r\n    const HIGHLIGHT = 'outline-navigator_highlight'\r\n    let $anchor = null\r\n    let placeholderOffsetTop = 0\r\n\r\n    if (!$el) {\r\n      return this\r\n    }\r\n\r\n    $anchor = $el.querySelector(`#chapter__anchor-${id}`)\r\n\r\n    if (!$anchor) {\r\n      return this\r\n    }\r\n\r\n    this.active = parseInt($anchor.getAttribute('data-id'), 10)\r\n\r\n    if (this.$active) {\r\n      removeClass(this.$active, HIGHLIGHT)\r\n      removeClass(this.$active, ACTIVE)\r\n    }\r\n\r\n    this.$active = $anchor\r\n    addClass(this.$active, ACTIVE)\r\n\r\n    if (animationCurrent) {\r\n      this.positionPlaceholder(this.active)\r\n    } else {\r\n      addClass(this.$active, HIGHLIGHT)\r\n    }\r\n\r\n    later(() => {\r\n      if (!inBounding(this.$active, this.$main)) {\r\n        placeholderOffsetTop = this._getPlaceholderOffset(this.active)\r\n        scrollTo(this.$main, placeholderOffsetTop)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  sticky() {\r\n    const afterSticky = this.attr('afterSticky')\r\n    const FIXED = 'outline-navigator_fixed'\r\n    const $el = this.$el\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (!this.isFixed()) {\r\n      return this\r\n    }\r\n\r\n    isStickying = scrollTop >= top\r\n\r\n    if (isStickying) {\r\n      addClass($el, FIXED)\r\n    } else {\r\n      removeClass($el, FIXED)\r\n    }\r\n\r\n    if (isFunction(afterSticky)) {\r\n      afterSticky.call(this, this.isClosed(), isStickying)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  calculateStickyHeight() {\r\n    const documentElement = document.documentElement\r\n    const height = Math.max(\r\n      documentElement.clientHeight || 0,\r\n      window.innerHeight || 0\r\n    )\r\n    setProperty('--outline-sticky-height', `${height}px`)\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  show() {\r\n    const FOLDED = 'outline-navigator_folded'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const opened = this.attr('afterOpened')\r\n    const count = this.count()\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      if (count > 800) {\r\n        removeClass($parent, HIDDEN)\r\n      } else {\r\n        removeClass($parent, HIDDEN)\r\n        later(() => {\r\n          removeClass($parent, FOLDED)\r\n        }, 30)\r\n      }\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n    }\r\n    this.closed = false\r\n\r\n    if (isFunction(opened)) {\r\n      opened.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide() {\r\n    const FOLDED = 'outline-navigator_folded'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const closed = this.attr('afterClosed')\r\n    const count = this.count()\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      if (count > 800) {\r\n        addClass($parent, HIDDEN)\r\n      } else {\r\n        addClass($parent, FOLDED)\r\n        later(() => {\r\n          addClass($parent, HIDDEN)\r\n        })\r\n      }\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n    }\r\n    this.closed = true\r\n\r\n    if (isFunction(closed)) {\r\n      closed.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (this.isClosed()) {\r\n      this.show()\r\n    } else {\r\n      this.hide()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        isStickying = scrollTop >= top\r\n        afterToggle.call(this, this.isClosed(), isStickying)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n      this.scrollTimer = null\r\n    }\r\n\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n      this.resizeTimer = null\r\n    }\r\n\r\n    if (this.observerTimer) {\r\n      clearTimeout(this.observerTimer)\r\n      this.observerTimer = null\r\n    }\r\n\r\n    if (this.Observer) {\r\n      this.Observer = null\r\n    }\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onObserver() {\r\n    const selector = this.attr('selector')\r\n\r\n    this.Observer = intersection(\r\n      ($heading) => {\r\n        const id = $heading.getAttribute('data-id')\r\n\r\n        if (this.playing) {\r\n          return false\r\n        }\r\n\r\n        if (this.observerTimer) {\r\n          clearTimeout(this.observerTimer)\r\n        }\r\n\r\n        this.observerTimer = later(() => {\r\n          this.highlight(id)\r\n        }, 100)\r\n      },\r\n      {\r\n        selector,\r\n        context: this\r\n      }\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  onSelect(evt) {\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const id = $anchor.getAttribute('data-id')\r\n    const headingId = $anchor.href.split('#')[1]\r\n    const $heading = document.querySelector(`#${headingId}`)\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const min = 0\r\n    const max = this.$scrollElement.scrollHeight\r\n    const afterScroll = this.attr('afterScroll')\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this, 'chapter')\r\n      }\r\n\r\n      later(() => {\r\n        this.playing = false\r\n        this.$emit('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.playing = true\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      later(() => {\r\n        this.scrollTo(top, after)\r\n        this.highlight(id)\r\n      }, 10)\r\n    } else {\r\n      this.scrollTo(top, after)\r\n      this.highlight(id)\r\n    }\r\n\r\n    stop(evt)\r\n\r\n    return this\r\n  }\r\n\r\n  onScroll() {\r\n    const $scrollElement = this.$scrollElement\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n    }\r\n\r\n    this.scrollTimer = later(() => {\r\n      const top = $scrollElement.scrollTop\r\n      const min = 0\r\n      const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n\r\n      if (this.isFixed()) {\r\n        this.sticky()\r\n      }\r\n\r\n      this.$emit('toolbar:update', {\r\n        top,\r\n        min,\r\n        max\r\n      })\r\n    }, 100)\r\n\r\n    return this\r\n  }\r\n\r\n  onResize() {\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n    }\r\n\r\n    this.resizeTimer = later(() => {\r\n      this.calculateStickyHeight()\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    on($el, '.outline-navigator__anchor', 'click', this.onSelect, this, true)\r\n    at($element, 'scroll', this.onScroll, this, true)\r\n    if (this.isSticky()) {\r\n      at(window, 'resize', this.onResize, this, true)\r\n    }\r\n    this.$on('anchors:all:paint', this.onObserver, this)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const selector = this.attr('selector')\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    off($el, 'click', this.onSelect)\r\n    off($element, 'scroll', this.onScroll)\r\n    if (this.isSticky()) {\r\n      off(window, 'resize', this.onResize)\r\n    }\r\n    this.$off('anchors:all:paint')\r\n\r\n    if (this.Observer) {\r\n      document.querySelectorAll(selector).forEach((section) => {\r\n        this.Observer.unobserve(section)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nNavigator.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    parentElement: '',\r\n    scrollElement: '',\r\n    selector: '.outline-heading',\r\n    active: 0,\r\n    closed: false,\r\n    showCode: true,\r\n    animationCurrent: true,\r\n    position: 'relative',\r\n    stickyHeight: 0,\r\n    chapters: [],\r\n    created: null,\r\n    mounted: null,\r\n    afterClosed: null,\r\n    afterOpened: null,\r\n    afterScroll: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null,\r\n    afterSticky: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Navigator\r\n","import createElement from './utils/dom/createElement'\r\nimport timeSlice from './utils/lang/timeSlice'\r\n\r\nconst _paintChapters = ($list, chapters, showCode = false) => {\r\n  const LIMIT = 400\r\n  const count = chapters.length\r\n  const clones = [...chapters]\r\n  const paint = (parts) => {\r\n    const byId = (id) => $list.querySelector(`#${id}`)\r\n    parts.forEach((chapter) => {\r\n      const pid = chapter.pid\r\n      const id = chapter.id\r\n      const code = chapter.code\r\n      const rel = chapter.rel\r\n      const children = []\r\n      const $text = createElement(\r\n        'span',\r\n        {\r\n          className: 'outline-navigator__text'\r\n        },\r\n        chapter.text\r\n      )\r\n      let $link\r\n      let $code\r\n      let $li\r\n      let $subject\r\n      let $chapter\r\n\r\n      if (showCode) {\r\n        $code = createElement(\r\n          'span',\r\n          {\r\n            className: 'outline-navigator__code',\r\n            'data-id': id\r\n          },\r\n          chapter.code\r\n        )\r\n\r\n        children.push($code)\r\n      }\r\n\r\n      children.push($text)\r\n\r\n      $link = createElement(\r\n        'a',\r\n        {\r\n          id: `chapter__anchor-${id}`,\r\n          className: 'outline-navigator__anchor',\r\n          href: '#' + rel,\r\n          rel: rel,\r\n          'data-id': id,\r\n          'data-code': code\r\n        },\r\n        children\r\n      )\r\n\r\n      $li = createElement(\r\n        'li',\r\n        {\r\n          id: `chapter-${id}`,\r\n          className: 'outline-navigator__item',\r\n          'data-id': id,\r\n          'data-code': code\r\n        },\r\n        $link\r\n      )\r\n\r\n      if (pid === -1) {\r\n        $list.appendChild($li)\r\n      } else {\r\n        $chapter = byId(`chapter-${pid}`)\r\n        $subject = byId(`subject-${pid}`)\r\n\r\n        if (!$subject) {\r\n          $subject = createElement(\r\n            'ul',\r\n            {\r\n              id: 'subject-' + pid,\r\n              className: 'outline-navigator__subject'\r\n            },\r\n            $li\r\n          )\r\n\r\n          $chapter.appendChild($subject)\r\n        } else {\r\n          $subject.appendChild($li)\r\n        }\r\n      }\r\n    })\r\n  }\r\n\r\n  if (count > LIMIT) {\r\n    // 同步绘制\r\n    paint(clones.splice(0, LIMIT))\r\n    // 剩余的采用 timeSlice 机制绘制\r\n    while (clones.length > 0) {\r\n      const once = clones.splice(0, LIMIT)\r\n      timeSlice(() => {\r\n        paint(once)\r\n      })\r\n    }\r\n  } else {\r\n    paint(clones)\r\n  }\r\n}\r\n\r\nexport default _paintChapters\r\n","import isElement from '../types/isElement'\r\n\r\n/**\r\n * 检测某个 DOM 节点的位置是否在另个一个 DOM 节点范围内\r\n * ========================================================================\r\n * @method inBounding\r\n * @param {HTMLElement} child\r\n * @param {HTMLElement} parent\r\n * @return {Boolean}\r\n */\r\nconst inBounding = (child, parent) => {\r\n  let parentRect\r\n  let childRect\r\n\r\n  if (!isElement(child) || !isElement(parent)) {\r\n    return false\r\n  }\r\n\r\n  parentRect = parent.getBoundingClientRect()\r\n  childRect = child.getBoundingClientRect()\r\n\r\n  return (\r\n    childRect.top >= parentRect.top &&\r\n    childRect.right <= parentRect.right &&\r\n    childRect.bottom <= parentRect.bottom &&\r\n    childRect.left >= parentRect.left\r\n  )\r\n}\r\n\r\nexport default inBounding\r\n","import isFunction from '../types/isFunction'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通用的 IntersectionObserver 观察者处理器\r\n * ========================================================================\r\n * @method intersection\r\n * @param {Function} fn\r\n * @param {Object} [props]\r\n * @param {Object|HTMLElement} [props.root]\r\n * @param {String} [props.selector]\r\n * @param {Object} [props.context]\r\n * @param {String} [props.attr]\r\n * @param {String} [props.rootMargin]\r\n */\r\nconst intersection = (fn, props = {}) => {\r\n  const root = props.root || null\r\n  const selector = props.selector || '.outline-heading'\r\n  const context = props.context || null\r\n  const rootMargin = props.rootMargin || '0px 0px -90% 0px'\r\n  const options = {\r\n    rootMargin: rootMargin\r\n  }\r\n  // eslint-disable-next-line compat/compat\r\n  const Observer = new IntersectionObserver((entries) => {\r\n    entries.forEach((entry) => {\r\n      if (entry.intersectionRatio > 0) {\r\n        if (isFunction(fn)) {\r\n          fn.call(context || entry.target, entry.target)\r\n        }\r\n      }\r\n    })\r\n  }, options)\r\n  const $root = isElement(root) ? root : document\r\n\r\n  if (root) {\r\n    options.root = root\r\n  }\r\n\r\n  $root.querySelectorAll(selector).forEach((section) => {\r\n    Observer.observe(section)\r\n  })\r\n\r\n  return Observer\r\n}\r\n\r\nexport default intersection\r\n","/**\r\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\r\n * ========================================================================\r\n * @method stop\r\n * @param {Event} evt - 事件对象\r\n *\r\n * @example\r\n * <div id=\"nav\" class=\"nav\">\r\n *   <a id=\"service\" class=\"anchor\" href=\"https://www.yaohaixiao.com/serivce\">Service</a>\r\n *   <a id=\"help\" class=\"anchor\" href=\"https://www.yaohaixiao.com/help\">Help</a>\r\n * </div>\r\n *\r\n * const $nav = document.querySelector('#nav')\r\n * const $service = document.querySelector('.anchor')\r\n *\r\n * on($nav, 'click', function(evt) {\r\n *   console.log('你点击了导航栏')\r\n * })\r\n *\r\n * on($anchor, 'click', function(evt) {\r\n *   console.log('tagName', this.tagName)\r\n *\r\n *   // 工作台输出：'a'\r\n *   // 不会触发事件冒泡，输出：'你点击了导航栏'\r\n *   // 也不会切换到 href 属性的页面，阻止了点击链接的默认行为\r\n *   stopEvent(evt)\r\n * })\r\n */\r\nconst stop = function (evt) {\r\n  evt.stopPropagation()\r\n  evt.preventDefault()\r\n}\r\n\r\nexport default 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\ No newline at end of file
+{"version":3,"file":"navigator.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/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/lang/hasOwn.js","../../utils/dom/createElement.js","../../utils/dom/setAttributes.js","../../utils/dom/setAttribute.js","../../utils/lang/easeInQuad.js","../../utils/dom/_getScrollElement.js","../../utils/dom/scrollTo.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","../../utils/dom/inBounding.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","../../navigator.js","../../_paintChapters.js","../../utils/dom/intersection.js","../../utils/event/stop.js"],"sourcesContent":["/**\r\n * 检测数据是否为 String 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} str\r\n * @returns {boolean}\r\n */\r\nconst isString = (str) => {\r\n  return typeof str === 'string'\r\n}\r\n\r\nexport default isString\r\n","/**\r\n * Object 对象原型上的 toString 方法\r\n * ========================================================================\r\n * @method toString\r\n * @param {*} val\r\n * @returns {string}\r\n */\r\nconst toString = (val) => {\r\n  return Object.prototype.toString.apply(val)\r\n}\r\n\r\nexport default toString\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测测试数据是否为 Function 类型\r\n * ========================================================================\r\n * @method isFunction\r\n * @param {*} val - （必须）待检测的数据\r\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\r\n */\r\nconst isFunction = (val) => {\r\n  return typeof val === 'function' || toString(val) === '[object Function]'\r\n}\r\n\r\nexport default isFunction\r\n","import toString from '../lang/toString'\r\nimport isFunction from './isFunction'\r\n\r\n/**\r\n * 检测数据是否为 Object 类型\r\n * ========================================================================\r\n * @method isObject\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isObject = (o) => {\r\n  return (\r\n    (toString(o) === '[object Object]' ||\r\n      typeof o === 'object' ||\r\n      isFunction(o)) &&\r\n    o !== null\r\n  )\r\n}\r\n\r\nexport default isObject\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测数据是否为 HTMLElement DOM 节点\r\n * ========================================================================\r\n * @method isElement\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isElement = (o) => {\r\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\r\n}\r\n\r\nexport default isElement\r\n","import isFunction from '../types/isFunction'\r\n\r\n/**\r\n * later - 延迟执行方法\r\n * ========================================================================\r\n * @method later\r\n * @param {Function} fn\r\n * @param {Number} [delay]\r\n * @returns {number|boolean}\r\n */\r\nconst later = (fn, delay = 300) => {\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  return setTimeout(() => {\r\n    fn()\r\n  }, delay)\r\n}\r\n\r\nexport default later\r\n","export const CAPTURE_EVENTS = [\r\n  'focusout',\r\n  'blur',\r\n  'focusin',\r\n  'focus',\r\n  'load',\r\n  'unload',\r\n  'mouseenter',\r\n  'mouseleave'\r\n]\r\n","import { CAPTURE_EVENTS } from './enum'\r\nimport _delete from './_delete'\r\n\r\n/**\r\n * （私有方法）取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method _off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} fn - （必须）事件处理器回调函数\r\n * @private\r\n */\r\nconst _off = (el, type, fn) => {\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  /* istanbul ignore else */\r\n  if (fn._delegateListener) {\r\n    fn = fn._delegateListener\r\n    delete fn._delegateListener\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  _delete(el, type, fn)\r\n\r\n  el.removeEventListener(type, fn, capture)\r\n}\r\n\r\nexport default _off\r\n","/**\r\n * 删除 DOM 元素缓存的 _listeners 数据\r\n * ========================================================================\r\n * @method _delete\r\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\r\n * @param {String} type - 事件类型（名称）\r\n * @param {Function} [fn] - 事件处理器回调函数\r\n */\r\nconst _delete = function (el, type, fn) {\r\n  const listeners = el._listeners\r\n  let index = -1\r\n\r\n  if (listeners.length < 1) {\r\n    return false\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  listeners.forEach((listener, i) => {\r\n    const handler = listener.fn\r\n\r\n    if (type === listener.type) {\r\n      index = i\r\n\r\n      if (handler === fn) {\r\n        index = i\r\n      }\r\n    }\r\n  })\r\n\r\n  /* istanbul ignore else */\r\n  if (index > -1) {\r\n    listeners.splice(index, 1)\r\n  }\r\n}\r\n\r\nexport default _delete\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport getListeners from './getListeners'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 销毁（type 类型的）代理事件绑定\r\n * ========================================================================\r\n * 1. 设置了事件类型 type，则销毁指定类型的事件绑定，否则清除所有代理事件绑定\r\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\r\n * ========================================================================\r\n * @method purgeElement\r\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\r\n * @param {String|Boolean} type - （必须）事件类型\r\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\r\n */\r\nconst purgeElement = function (el, type, recurse = false) {\r\n  const $element = isString(el) ? document.querySelector(el) : el\r\n  const $children = $element.childNodes\r\n  const listeners = getListeners($element, type)\r\n\r\n  listeners.forEach((listener) => {\r\n    _off($element, listener.type, listener.fn)\r\n  })\r\n\r\n  if (\r\n    (recurse || type === true || arguments.length === 1) &&\r\n    $element &&\r\n    $children\r\n  ) {\r\n    $children.forEach(($child) => {\r\n      if (isElement($child)) {\r\n        purgeElement($child, type, recurse)\r\n      }\r\n    })\r\n  }\r\n}\r\n\r\nexport default purgeElement\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 获取 DOM 元素（type 事件类型）事件绑定信息\r\n * ========================================================================\r\n * 如果设置了事件类型 type， 则返回指定类型的事件绑定信息，否则返回所有事件绑定信息\r\n * ========================================================================\r\n * @methods getListeners\r\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\r\n * @param {String} [type] - （可选）事件类型\r\n * @returns {Array} - 已绑定的事件信息\r\n */\r\nconst getListeners = (el, type) => {\r\n  let listeners = el._listeners || []\r\n\r\n  if (isString(type) && type) {\r\n    listeners = listeners.filter((listener) => {\r\n      return listener.type === type\r\n    })\r\n  }\r\n\r\n  return listeners\r\n}\r\n\r\nexport default getListeners\r\n","import purgeElement from './purgeElement'\r\nimport isFunction from '../types/isFunction'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method off\r\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} [fn] - （可选）事件处理器回调函数\r\n */\r\nconst off = (el, type, fn) => {\r\n  // 如果不设置 fn 参数，默认清除 el 元素上绑定的所有事件处理器\r\n  if (!isFunction(fn)) {\r\n    purgeElement(el, type)\r\n    return false\r\n  }\r\n\r\n  _off(el, type, fn)\r\n}\r\n\r\nexport default off\r\n","import isFunction from '../types/isFunction'\r\nimport off from './off'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定事件\r\n * ========================================================================\r\n * @method at\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （必须） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst at = (el, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n  const listener = function (evt) {\r\n    let overrideContext = context || el\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    // 仅触发一次\r\n    /* istanbul ignore else */\r\n    if (once === true) {\r\n      off(el, type, listener)\r\n    }\r\n\r\n    fn.call(overrideContext, evt, data)\r\n  }\r\n\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default at\r\n","/**\r\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\r\n * ========================================================================\r\n * Element.matches() 方法可以用来判断 DOM 元素是否与给定的选择器匹配，事件代理判断是\r\n * 否触发绑定的代理事件回调函数，关键就是使用 Element.matches() 辨别当前事件触发的目\r\n * 标 DOM 元素是否为事件代理所期望触发的目标。\r\n * ========================================================================\r\n * @method matches\r\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\r\n * @returns {Boolean}\r\n */\r\nconst matches = (el, selector = '') => {\r\n  const sel = selector.replace(/^>/i, '')\r\n\r\n  if (!selector || !sel || !el) {\r\n    return false\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (el.matches) {\r\n    return el.matches(sel)\r\n  } else if (el.msMatchesSelector) {\r\n    return el.msMatchesSelector(sel)\r\n  } else {\r\n    return false\r\n  }\r\n}\r\n\r\nexport default matches\r\n","/**\r\n * 获取 DOM 元素的父节点\r\n * ========================================================================\r\n * @method getParentOrHost\r\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\r\n * @returns {*|HTMLElement}\r\n */\r\nconst getParentOrHost = (el) => {\r\n  return el.host && el !== document && el.host.nodeType\r\n    ? el.host\r\n    : el.parentNode\r\n}\r\n\r\nexport default getParentOrHost\r\n","import closest from '../dom/closest'\r\nimport off from './off'\r\nimport getTarget from './getTarget'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定代理事件\r\n * ========================================================================\r\n * @method on\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （可选） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst on = (el, selector, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  const listener = function (evt) {\r\n    const target = getTarget(evt)\r\n    // 通过 Element.matches 方法获得点击的目标元素\r\n    const delegateTarget = closest(target, selector, el)\r\n    let overrideContext = context || el\r\n\r\n    evt.delegateTarget = delegateTarget\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (delegateTarget) {\r\n      // 仅触发一次\r\n      /* istanbul ignore else */\r\n      if (once === true) {\r\n        off(el, type, listener)\r\n      }\r\n\r\n      fn.call(overrideContext, evt, data)\r\n    }\r\n  }\r\n\r\n  if (!el) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    selector,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default on\r\n","import resolveTextNode from '../dom/resolveTextNode'\r\n\r\n/**\r\n * 返回触发事件的 target DOM 元素\r\n * ========================================================================\r\n * @method getTarget\r\n * @param {Event} evt - Event 对象\r\n * @return {HTMLElement} - Event 对象的 target DOM 元素\r\n */\r\nconst getTarget = function (evt) {\r\n  const target = evt.target\r\n\r\n  return resolveTextNode(target)\r\n}\r\n\r\nexport default getTarget\r\n","/**\r\n * 在某些情况下，某些浏览器（例如：Safari 浏览器）会返回实际的目标元素内部的文本节点。\r\n * resolveTextNode() 方法则会返回实际的目标节点。\r\n * ========================================================================\r\n * @method resolveTextNode\r\n * @param {HTMLElement|Text} el - 要解析的节点\r\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\r\n */\r\nconst resolveTextNode = function (el) {\r\n  if (el && el.nodeType === 3) {\r\n    return el.parentNode\r\n  }\r\n\r\n  return el\r\n}\r\n\r\nexport default resolveTextNode\r\n","import matches from './matches'\r\nimport getParentOrHost from './getParentOrHost'\r\n\r\n/**\r\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\r\n * ========================================================================\r\n * @method closest\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）DOM 元素的选择其\r\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\r\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\r\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\r\n */\r\nconst closest = (el, selector, ctx, includeCTX) => {\r\n  const context = ctx || document\r\n\r\n  if (!el) {\r\n    return null\r\n  }\r\n\r\n  do {\r\n    /* istanbul ignore else */\r\n    if (\r\n      (selector != null &&\r\n        (selector.startsWith('>')\r\n          ? el.parentNode === context && matches(el, selector)\r\n          : matches(el, selector))) ||\r\n      (includeCTX && el === context)\r\n    ) {\r\n      return el\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (el === context) {\r\n      break\r\n    }\r\n\r\n    /* jshint boss:true */\r\n  } while ((el = getParentOrHost(el)))\r\n}\r\n\r\nexport default closest\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测数据是否为 Array 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isArray = (o) => {\r\n  if (Array.isArray) {\r\n    return Array.isArray(o)\r\n  } else {\r\n    return toString(o) === '[object Array]'\r\n  }\r\n}\r\n\r\nexport default isArray\r\n","import isObject from './isObject'\r\nimport isElement from './isElement'\r\nimport isHTMLCollection from './isHTMLCollection'\r\nimport isFragment from './isFragment'\r\nimport isTextNode from './isTextNode'\r\n\r\nconst isDOM = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (isElement(el) || isHTMLCollection(el) || isFragment(el) || isTextNode(el))\r\n  )\r\n}\r\n\r\nexport default isDOM\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isHTMLCollection = (el) => {\r\n  return !!(isObject(el) && toString(el) === '[object NodeList]')\r\n}\r\n\r\nexport default isHTMLCollection\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isFragment = (fragment) => {\r\n  return !!(\r\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\r\n  )\r\n}\r\n\r\nexport default isFragment\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isTextNode = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (toString(el) === '[object Text]' || (el.tagName && el.nodeType === 3))\r\n  )\r\n}\r\n\r\nexport default isTextNode\r\n","/**\r\n * 检测对象自身属性中是否具有指定的属性。\r\n * ========================================================================\r\n * @method hasOwn\r\n * @param {Object} obj - （必须）检测的目标对象\r\n * @param {String} prop - （必须）属性名\r\n * @returns {Boolean}\r\n */\r\nconst hasOwn = (obj, prop) => {\r\n  const hasOwnProperty = Object.prototype.hasOwnProperty\r\n  return obj && hasOwnProperty.call(obj, prop)\r\n}\r\n\r\nexport default hasOwn\r\n","import isObject from '../types/isObject'\r\nimport isString from '../types/isString'\r\nimport isArray from '../types/isArray'\r\nimport isDOM from '../types/isDOM'\r\nimport setAttributes from './setAttributes'\r\n\r\n/**\r\n * 创建 DOM 节点，并添加属性和子节点\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} tagName - 标签名称\r\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\r\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (tagName, attrs, children) => {\r\n  const $fragment = document.createDocumentFragment()\r\n  const $el = document.createElement(tagName)\r\n  const isValidChild = (child) => {\r\n    return isDOM(child) || isString(child)\r\n  }\r\n  const append = (child) => {\r\n    let $child\r\n\r\n    if (!isValidChild(child)) {\r\n      return false\r\n    }\r\n\r\n    if (isDOM(child)) {\r\n      $child = child\r\n    } else if (isString(child)) {\r\n      $child = document.createTextNode(child)\r\n    }\r\n\r\n    $fragment.appendChild($child)\r\n  }\r\n\r\n  if (isObject(attrs)) {\r\n    setAttributes($el, attrs)\r\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\r\n    attrs.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else if (isDOM(attrs)) {\r\n    append(attrs)\r\n  } else if (isString(attrs)) {\r\n    append(document.createTextNode(attrs))\r\n  }\r\n\r\n  if (isArray(children)) {\r\n    children.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else {\r\n    append(children)\r\n  }\r\n\r\n  $el.appendChild($fragment)\r\n\r\n  return $el\r\n}\r\n\r\nexport default createElement\r\n","import isObject from '../types/isObject'\r\nimport hasOwn from '../lang/hasOwn'\r\nimport setAttribute from './setAttribute'\r\n\r\nconst setAttributes = (el, attrs) => {\r\n  if (!el || !isObject(attrs)) {\r\n    return false\r\n  }\r\n\r\n  Object.keys(attrs).forEach((attr) => {\r\n    const value = attrs[attr]\r\n    if (hasOwn(attrs, attr)) {\r\n      setAttribute(el, attr, value)\r\n    }\r\n  })\r\n}\r\n\r\nexport default setAttributes\r\n","/**\r\n * 给 DOM 节点设置属性/值\r\n * ========================================================================\r\n * @method setAttribute\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} attr - 属性名称\r\n * @param {String|Number|Boolean} value - 属性值\r\n */\r\nconst setAttribute = (el, attr, value) => {\r\n  let tagName = el.tagName.toLowerCase()\r\n\r\n  switch (attr) {\r\n    case 'style':\r\n      el.style.cssText = value\r\n      break\r\n    case 'value':\r\n      if (tagName === 'input' || tagName === 'textarea') {\r\n        el.value = value\r\n      } else {\r\n        el.setAttribute(attr, value)\r\n      }\r\n      break\r\n    case 'htmlFor':\r\n      el.setAttribute('for', value)\r\n      break\r\n    case 'className':\r\n      el.className = value\r\n      break\r\n    case 'innerHTML':\r\n      el.innerHTML = value\r\n      break\r\n    case 'innerText':\r\n      el.innerText = value\r\n      break\r\n    default:\r\n      el.setAttribute(attr, value)\r\n      break\r\n  }\r\n}\r\n\r\nexport default setAttribute\r\n","/**\r\n * 返回给定值的平方值\r\n * ========================================================================\r\n * @method easeInQuad\r\n * @param {Number} x\r\n * @returns {number}\r\n */\r\nconst easeInQuad = (x) => {\r\n  return x * x\r\n}\r\n\r\nexport default easeInQuad\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\r\n * ========================================================================\r\n * @method _getScrollElement\r\n * @param {String|HTMLElement} scrollElement\r\n * @returns {Element}\r\n * @private\r\n */\r\nconst _getScrollElement = (scrollElement = null) => {\r\n  let $rootElements\r\n  let $scrollElement\r\n\r\n  if (!scrollElement) {\r\n    $rootElements = document.querySelectorAll('html,body')\r\n    $scrollElement =\r\n      $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\r\n        ? $rootElements[0]\r\n        : $rootElements[1]\r\n  } else {\r\n    if (isString(scrollElement)) {\r\n      $scrollElement = document.querySelector(scrollElement)\r\n    } else if (isElement(scrollElement)) {\r\n      $scrollElement = scrollElement\r\n    }\r\n  }\r\n\r\n  return $scrollElement\r\n}\r\n\r\nexport default _getScrollElement\r\n","import easeInQuad from '../lang/easeInQuad'\r\nimport isFunction from '../types/isFunction'\r\nimport _getScrollElement from './_getScrollElement'\r\n\r\n/**\r\n * 指定 rootElement DOM 节点滚动到指定 top 位置\r\n * ========================================================================\r\n * @method scrollTo\r\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\r\n * @param {Number} top - （必须）滚动的 scrollTop 数值\r\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\r\n */\r\nconst scrollTo = (scrollElement, top, afterStop) => {\r\n  const $scrollElement = _getScrollElement(scrollElement)\r\n  let scrollTop = $scrollElement.scrollTop\r\n  let step = 0\r\n  const distance = top - scrollTop\r\n  const MAX_HEIGHT = $scrollElement.scrollHeight\r\n  const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\r\n  const stop = (top) => {\r\n    if (isFunction(afterStop)) {\r\n      afterStop(top)\r\n    }\r\n\r\n    return false\r\n  }\r\n  const play = () => {\r\n    step += 1\r\n\r\n    // 向上滚动\r\n    if (distance < 0) {\r\n      scrollTop -= easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop <= top) {\r\n        $scrollElement.scrollTop = top\r\n        return stop(top)\r\n      }\r\n    } else {\r\n      scrollTop += easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop >= MAX_TOP) {\r\n        $scrollElement.scrollTop = MAX_TOP\r\n        return stop(MAX_TOP)\r\n      }\r\n    }\r\n\r\n    // eslint-disable-next-line compat/compat\r\n    requestAnimationFrame(play)\r\n  }\r\n\r\n  // eslint-disable-next-line compat/compat\r\n  requestAnimationFrame(play)\r\n}\r\n\r\nexport default scrollTo\r\n","import isElement from '../types/isElement'\r\n/**\r\n * 检测 DOM 节点是否包含名为 className 的样式\r\n * ========================================================================\r\n * @method hasClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst hasClass = (el, className) => {\r\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\r\n  let allClass\r\n  let classList\r\n\r\n  if (!isElement(el)) {\r\n    return false\r\n  }\r\n\r\n  allClass = el.className\r\n\r\n  if (!allClass) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList && classList.contains) {\r\n    return el.classList.contains(className)\r\n  }\r\n\r\n  return !!pattern.exec(allClass)\r\n}\r\n\r\nexport default hasClass\r\n","import hasClass from './hasClass'\r\n\r\n/**\r\n * 给 DOM 节点添加名为 className 的样式\r\n * ========================================================================\r\n * @method addClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst addClass = (el, className) => {\r\n  let classList\r\n  let allClass\r\n\r\n  if (hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.add) {\r\n    classList.add(className)\r\n  } else {\r\n    allClass = el.className\r\n    allClass += allClass.length > 0 ? ' ' + className : className\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default addClass\r\n","import trim from '../lang/trim'\r\nimport hasClass from './hasClass'\r\n\r\n/**\r\n * 移除 DOM 节点的 className 样式\r\n * ========================================================================\r\n * @method removeClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst removeClass = (el, className) => {\r\n  let allClass = el.className\r\n  let classList\r\n\r\n  if (!allClass || !hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.remove) {\r\n    classList.remove(className)\r\n  } else {\r\n    allClass = trim(allClass.replace(className, ''))\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default removeClass\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 清楚字符串起始位置所有的空格\r\n * ========================================================================\r\n * @method trim\r\n * @param {string} str\r\n * @returns {string|Boolean}\r\n */\r\nconst trim = (str) => {\r\n  if (!isString(str)) {\r\n    return false\r\n  }\r\n  return str.replace(/(^\\s+)|(\\s+$)/g, '')\r\n}\r\n\r\nexport default trim\r\n","/**\r\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\r\n * ========================================================================\r\n * @method offsetTop\r\n * @param {HTMLElement} el - DOM 节点\r\n * @returns {Number}\r\n */\r\nconst offsetTop = (el) => {\r\n  let top = el.offsetTop\r\n\r\n  if (el.offsetParent !== null) {\r\n    top += offsetTop(el.offsetParent)\r\n  }\r\n\r\n  return top\r\n}\r\n\r\nexport default offsetTop\r\n","/**\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","/**\r\n * timeSlice.js 时间切片功能函数\r\n * ====================================================\r\n * Created By: Yaohaixiao\r\n * Update: 2023.09.04\r\n */\r\nimport isFunction from '../types/isFunction'\r\nimport later from './later'\r\n\r\nconst queue = []\r\nlet isHandling\r\nlet done\r\n\r\n// Shim from https://developers.google.com/web/updates/2015/08/using-requestidlecallback\r\nif (typeof window.requestIdleCallback === 'undefined') {\r\n  window.requestIdleCallback = function (cb) {\r\n    const start = Date.now()\r\n    return later(function () {\r\n      cb({\r\n        didTimeout: false,\r\n        timeRemaining: function () {\r\n          return Math.max(0, 50 - (Date.now() - start))\r\n        }\r\n      })\r\n    }, 10)\r\n  }\r\n\r\n  window.cancelIdleCallback = function (id) {\r\n    clearTimeout(id)\r\n  }\r\n}\r\n\r\nfunction runIdle(idleDeadline) {\r\n  while (idleDeadline.timeRemaining() > 0 && queue.length) {\r\n    const fn = queue.shift()\r\n\r\n    if (!isFunction(fn)) {\r\n      return false\r\n    }\r\n\r\n    fn()\r\n  }\r\n\r\n  if (queue.length) {\r\n    isHandling = requestIdleCallback(runIdle)\r\n  } else {\r\n    isHandling = 0\r\n\r\n    if (isFunction(done)) {\r\n      done()\r\n      done = null\r\n    }\r\n  }\r\n}\r\n\r\n/**\r\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\r\n * 多个短时间任务\r\n * ====================================================\r\n * @param {Function} fn - 需要在空闲时执行的回调函数\r\n * @param {Function} afterComplete - queen 的\r\n * @return {(function(): (boolean|undefined))|*|boolean}\r\n */\r\nconst timeSlice = (fn, afterComplete = null) => {\r\n  queue.push(fn)\r\n\r\n  if (isFunction(afterComplete)) {\r\n    done = afterComplete\r\n  }\r\n\r\n  if (!isHandling) {\r\n    requestIdleCallback(runIdle)\r\n  }\r\n}\r\n\r\nexport default timeSlice\r\n","import isElement from '../types/isElement'\r\n\r\n/**\r\n * 检测某个 DOM 节点的位置是否在另个一个 DOM 节点范围内\r\n * ========================================================================\r\n * @method inBounding\r\n * @param {HTMLElement} child\r\n * @param {HTMLElement} parent\r\n * @return {Boolean}\r\n */\r\nconst inBounding = (child, parent) => {\r\n  let parentRect\r\n  let childRect\r\n\r\n  if (!isElement(child) || !isElement(parent)) {\r\n    return false\r\n  }\r\n\r\n  parentRect = parent.getBoundingClientRect()\r\n  childRect = child.getBoundingClientRect()\r\n\r\n  return (\r\n    childRect.top >= parentRect.top &&\r\n    childRect.right <= parentRect.right &&\r\n    childRect.bottom <= parentRect.bottom &&\r\n    childRect.left >= parentRect.left\r\n  )\r\n}\r\n\r\nexport default inBounding\r\n","/**\r\n * 存储订阅者（主题和处理器的）私有对象\r\n * ========================================================================\r\n * @type {{}}\r\n * @private\r\n */\r\nconst _subscribers = {}\r\n\r\nexport default _subscribers\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\r\n * ========================================================================\r\n * @method _hasDirectSubscribersFor\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasDirectSubscribersFor = (topic) => {\r\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\r\n}\r\n\r\nexport default _hasDirectSubscribersFor\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\nimport _hasSubscribers from './_hasSubscribers'\r\n\r\n/**\r\n * 判断是否存在包含 topic 指定的订阅者信息\r\n * ========================================================================\r\n * @method has\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\r\n * @returns {Boolean}\r\n */\r\nconst has = (topic, isDirect = true) => {\r\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\r\n}\r\n\r\nexport default has\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * 判断是否存在包含给定 topic 相关的订阅者信息\r\n * ========================================================================\r\n * @method _hasSubscribers\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasSubscribers = (topic) => {\r\n  let found = _hasDirectSubscribersFor(topic)\r\n  let position = topic.lastIndexOf('.')\r\n\r\n  while (!found && position !== -1) {\r\n    topic = topic.substring(0, position)\r\n    position = topic.lastIndexOf('.')\r\n    found = _hasDirectSubscribersFor(topic)\r\n  }\r\n\r\n  return found\r\n}\r\n\r\nexport default _hasSubscribers\r\n","import isTypedArray from '../types/isTypedArray'\r\nimport _subscribers from './_subscribers'\r\nimport has from './has'\r\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * （异步）发布订阅主题信息\r\n * ========================================================================\r\n * 主题默认是异步发布的。确保在消费者处理主题时，主题的发起者不会被阻止。\r\n * ========================================================================\r\n * @method emit\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Object} [data] - （可选）数据对象\r\n * @param {Boolean} [async] - (可选) 是否异步发布\r\n */\r\nconst emit = (topic, data, async = true) => {\r\n  const execute = (topic) => {\r\n    if (!_hasDirectSubscribersFor(topic)) {\r\n      return false\r\n    }\r\n\r\n    _subscribers[topic].forEach((subscriber) => {\r\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\r\n      // 采用 toString() 方法转化为普通（JSON）字符串\r\n      const message = isTypedArray(data) ? data.toString() : data\r\n\r\n      subscriber.callback.call(subscriber.context || subscriber, message)\r\n    })\r\n  }\r\n  const deliver = () => {\r\n    let subscriber = topic\r\n    let position = topic.lastIndexOf('.')\r\n\r\n    while (position !== -1) {\r\n      subscriber = subscriber.substring(0, position)\r\n      position = subscriber.lastIndexOf('.')\r\n\r\n      execute(subscriber)\r\n    }\r\n\r\n    // 执行 topic 对应的处理器\r\n    execute(topic)\r\n    // 执行特殊 topic：'*'（监听全部消息的发布）\r\n    execute('*')\r\n  }\r\n\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (async) {\r\n    setTimeout(deliver, 10)\r\n  } else {\r\n    deliver()\r\n  }\r\n}\r\n\r\nexport default emit\r\n","import toString from '../lang/toString'\r\n/**\r\n * 判断检测数据是否为 Typed Arrays 类型的数据\r\n * ========================================================================\r\n * @param {*} val\r\n * @returns {boolean}\r\n */\r\nconst isTypedArray = (val) => {\r\n  const TYPES = [\r\n    '[object Int8Array]',\r\n    '[object Uint8Array]',\r\n    '[object Uint8ClampedArray]',\r\n    '[object Int16Array]',\r\n    '[object Uint16Array]',\r\n    '[object Int32Array]',\r\n    '[object Uint32Array]',\r\n    '[object Float32Array]',\r\n    '[object Float64Array]',\r\n    '[object BigInt64Array]',\r\n    '[object BigUint64Array]'\r\n  ]\r\n\r\n  return TYPES.indexOf(toString(val)) > -1\r\n}\r\n\r\nexport default isTypedArray\r\n","/**\r\n * 生成唯一 id 字符串的函数\r\n * ========================================================================\r\n * @method guid\r\n * @param {String} [prefix] - 生成 id 的前缀字符串\r\n * @return {String} 返回一个表示唯一 id 的字符串\r\n */\r\nconst guid = (() => {\r\n  let uuid = 0\r\n\r\n  return (prefix) => {\r\n    uuid += 1\r\n\r\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\r\n  }\r\n})()\r\n\r\nexport default guid\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 删除与给定 topic 相同的订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriber\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _removeSubscriber = (topic) => {\r\n  if (!hasOwn(_subscribers, topic)) {\r\n    return false\r\n  }\r\n\r\n  delete _subscribers[topic]\r\n}\r\n\r\nexport default _removeSubscriber\r\n","import has from './has'\r\nimport _removeSubscriber from './_removeSubscriber'\r\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\r\n\r\n/**\r\n * 取消订阅主题\r\n * ========================================================================\r\n * @method off\r\n * @param {String} topic - （必须）订阅的主题\r\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\r\n */\r\nconst off = (topic, token) => {\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (token) {\r\n    _removeSubscriberByToken(token)\r\n  } else {\r\n    _removeSubscriber(topic)\r\n  }\r\n}\r\n\r\nexport default off\r\n","import _subscribers from './_subscribers'\r\nimport _removeSubscriber from './_removeSubscriber'\r\n\r\n/**\r\n * 通过订阅者 token 值删除订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriberByToken\r\n * @param {String} token - 订阅者 token 字符串\r\n * @returns {boolean}\r\n * @private\r\n */\r\nconst _removeSubscriberByToken = (token) => {\r\n  const keys = Object.keys(_subscribers)\r\n  let index = -1\r\n\r\n  if (!token || keys.length < 1) {\r\n    return false\r\n  }\r\n\r\n  keys.forEach((subject) => {\r\n    const subscriber = _subscribers[subject]\r\n    let topic\r\n\r\n    subscriber.forEach((execution, j) => {\r\n      if (execution.callback === token || execution.token === token) {\r\n        topic = execution.topic\r\n        subscriber.splice(index, j)\r\n      }\r\n    })\r\n\r\n    /* istanbul ignore else */\r\n    if (subscriber.length < 1) {\r\n      _removeSubscriber(topic)\r\n    }\r\n  })\r\n}\r\n\r\nexport default _removeSubscriberByToken\r\n","import 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  refresh() {\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    let attrs = this.attr()\r\n\r\n    if (options) {\r\n      attrs = this.attr(options)\r\n    }\r\n\r\n    this.destroy().initialize(attrs)\r\n\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'\r\n\r\n/**\r\n * 扩展对象\r\n * ========================================================================\r\n * @method extend\r\n * @param {Object} origin\r\n * @param {Object} source\r\n */\r\nconst extend = (origin, source) => {\r\n  const keys = Object.keys(source)\r\n\r\n  keys.forEach((prop) => {\r\n    if (hasOwn(source, prop)) {\r\n      origin[prop] = source[prop]\r\n    }\r\n  })\r\n}\r\n\r\nexport default extend\r\n","import _subscribers from './_subscribers'\r\nimport isFunction from '../types/isFunction'\r\nimport guid from '../lang/guid'\r\n\r\n/**\r\n * 订阅主题，并给出处理器函数\r\n * ========================================================================\r\n * @method on\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Function} handler - （必须）主题的处理器函数\r\n * @param {Object} [context] - （可选）指定 this 执行上下文\r\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\r\n */\r\nconst on = (topic, handler, context = null) => {\r\n  const token = guid()\r\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\r\n\r\n  if (!isFunction(handler)) {\r\n    return ''\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (!_subscribers[subject]) {\r\n    _subscribers[subject] = []\r\n  }\r\n\r\n  _subscribers[subject].push({\r\n    topic: subject,\r\n    callback: handler,\r\n    context,\r\n    token\r\n  })\r\n\r\n  return token\r\n}\r\n\r\nexport default on\r\n","import isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport later from './utils/lang/later'\r\nimport at from './utils/event/at'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport createElement from './utils/dom/createElement'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport addClass from './utils/dom/addClass'\r\nimport intersection from './utils/dom/intersection'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport getStyle from './utils/dom/getStyle'\r\nimport setProperty from './utils/dom/setProperty'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\n\r\nimport _paintChapters from './_paintChapters'\r\nimport inBounding from './utils/dom/inBounding'\r\n\r\nimport Base from './base'\r\n\r\nclass Navigator extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    this.scrollTimer = null\r\n    this.resizeTimer = null\r\n    this.observerTimer = null\r\n    this.Observer = null\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Navigator.DEFAULTS)\r\n\r\n    this.$el = null\r\n    this.$title = null\r\n    this.$main = null\r\n    this.$list = null\r\n    this.$placeholder = null\r\n    this.$parentElement = null\r\n    this.$scrollElement = null\r\n    this.$active = null\r\n\r\n    this.chapters = []\r\n    this.active = 0\r\n    this.offsetWidth = 0\r\n    this.offsetTop = 0\r\n    this.playing = false\r\n    this.closed = false\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let parentElement\r\n    let scrollElement\r\n    let $parent\r\n\r\n    this.attr(options)\r\n\r\n    created = this.attr('created')\r\n    parentElement = this.attr('parentElement')\r\n    scrollElement = this.attr('scrollElement')\r\n\r\n    if (isString(parentElement)) {\r\n      $parent = document.querySelector(parentElement)\r\n    } else if (isElement(parentElement)) {\r\n      $parent = parentElement\r\n    }\r\n    this.$parentElement = $parent\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n\r\n    this.chapters = this.attr('chapters')\r\n    this.closed = this.attr('closed')\r\n    this.active = this.attr('active')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    if (this.chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    this.$active = document.querySelector(`#chapter-${this.active}`)\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  isSticky() {\r\n    const position = this.attr('position')\r\n    return position === 'sticky'\r\n  }\r\n\r\n  isFixed() {\r\n    const position = this.attr('position')\r\n    return position === 'fixed'\r\n  }\r\n\r\n  isInside() {\r\n    return this.isFixed() || this.isSticky()\r\n  }\r\n\r\n  isOutside() {\r\n    return !this.isInside()\r\n  }\r\n\r\n  count() {\r\n    return this.chapters.length\r\n  }\r\n\r\n  _paintEdge() {\r\n    const $fragment = document.createDocumentFragment()\r\n    const STICKY = 'outline-navigator_sticky'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const title = this.attr('title')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const customClass = this.attr('customClass')\r\n    const $parentElement = this.$parentElement\r\n    const children = []\r\n    const contents = []\r\n    let $title = null\r\n    let $el\r\n    let $main\r\n    let $list\r\n    let $placeholder\r\n\r\n    if (!$parentElement) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside() && title) {\r\n      $title = createElement(\r\n        'h2',\r\n        {\r\n          className: 'outline-navigator__title'\r\n        },\r\n        title\r\n      )\r\n      this.$title = $title\r\n      contents.push($title)\r\n    }\r\n\r\n    $list = createElement('ul', {\r\n      // 为优化性能，添加了 _fixed 和 _hidden\r\n      // fixed 为了让 $list 脱离流布局\r\n      // hidden 让 $list 不可见\r\n      className: `outline-navigator__list`\r\n    })\r\n    this.$list = $list\r\n    children.push($list)\r\n\r\n    if (animationCurrent) {\r\n      $placeholder = createElement('div', {\r\n        className: 'outline-navigator__placeholder'\r\n      })\r\n      this.$placeholder = $placeholder\r\n      children.push($placeholder)\r\n    }\r\n\r\n    $main = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-navigator__main'\r\n      },\r\n      children\r\n    )\r\n    this.$main = $main\r\n    contents.push($main)\r\n\r\n    $el = createElement(\r\n      'nav',\r\n      {\r\n        id: 'outline-navigator',\r\n        className: `outline-navigator ${HIDDEN}`\r\n      },\r\n      contents\r\n    )\r\n    this.$el = $el\r\n\r\n    if (this.isSticky()) {\r\n      this.calculateStickyHeight()\r\n      addClass($el, STICKY)\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($el, customClass)\r\n    }\r\n    $fragment.appendChild($el)\r\n    $parentElement.appendChild($fragment)\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const $parentElement = this.$parentElement\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n    let $el\r\n\r\n    if (!$parentElement || chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside()) {\r\n      addClass($parentElement, 'outline-navigator-parent')\r\n    }\r\n\r\n    this._paintEdge()\r\n    $el = this.$el\r\n\r\n    this._paint(chapters)\r\n\r\n    later(() => {\r\n      this.highlight(this.active)\r\n    }, 60)\r\n\r\n    this.offsetTop = offsetTop($el)\r\n    this.offsetWidth = $el.offsetWidth\r\n\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      setProperty('--outline-navigator-width', `${this.offsetWidth}px`)\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    if (count < 400) {\r\n      this.onObserver()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$list.innerHTML = ''\r\n\r\n    return this\r\n  }\r\n\r\n  _paint(chapters) {\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const showCode = this.attr('showCode')\r\n    const $el = this.$el\r\n    const $list = this.$list\r\n\r\n    _paintChapters($list, chapters, showCode)\r\n    removeClass($el, HIDDEN)\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    this.$parentElement.removeChild(this.$el)\r\n    return this\r\n  }\r\n\r\n  refresh(chapters) {\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const $el = this.$el\r\n\r\n    removeClass($el, HIDDEN)\r\n    this.erase()._paint(chapters)\r\n\r\n    return this\r\n  }\r\n\r\n  _getPlaceholderOffset(index) {\r\n    const $main = this.$main\r\n    const $list = this.$list\r\n    const $anchor = $list.querySelector('.outline-navigator__anchor')\r\n    const mainPaddingTop = parseInt(getStyle($main, 'padding-top'), 10)\r\n    const mainBorderTop = parseInt(getStyle($main, 'border-top-width'), 10)\r\n    const placeholderPaddingTop = parseInt(getStyle($list, 'padding-top'), 10)\r\n    const placeholderMarginTop = parseInt(getStyle($list, 'margin-top'), 10)\r\n    const placeholderBorderTop = parseInt(\r\n      getStyle($list, 'border-top-width'),\r\n      10\r\n    )\r\n    let height = $anchor.offsetHeight\r\n    let offsetTop = 0\r\n    let top\r\n\r\n    if (mainPaddingTop) {\r\n      offsetTop += mainPaddingTop\r\n    }\r\n\r\n    if (placeholderPaddingTop) {\r\n      offsetTop += placeholderPaddingTop\r\n    }\r\n\r\n    if (placeholderMarginTop) {\r\n      offsetTop += placeholderMarginTop\r\n    }\r\n\r\n    if (mainBorderTop) {\r\n      offsetTop += mainBorderTop\r\n    }\r\n\r\n    if (placeholderBorderTop) {\r\n      offsetTop += placeholderBorderTop\r\n    }\r\n\r\n    top = height * index\r\n\r\n    return offsetTop + top\r\n  }\r\n\r\n  positionPlaceholder(index) {\r\n    const $list = this.$list\r\n    const $placeholder = this.$placeholder\r\n    const $anchor = $list.querySelector('.outline-navigator__anchor')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const height = $anchor.offsetHeight\r\n    let offsetTop = 0\r\n\r\n    if (!animationCurrent) {\r\n      return this\r\n    }\r\n\r\n    offsetTop = this._getPlaceholderOffset(index)\r\n\r\n    $placeholder.style.cssText = `transform: translateY(${offsetTop}px);height:${height}px;`\r\n\r\n    return this\r\n  }\r\n\r\n  highlight(id) {\r\n    const $el = this.$el\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const ACTIVE = 'outline-navigator_active'\r\n    const HIGHLIGHT = 'outline-navigator_highlight'\r\n    let $anchor = null\r\n    let placeholderOffsetTop = 0\r\n\r\n    if (!$el) {\r\n      return this\r\n    }\r\n\r\n    $anchor = $el.querySelector(`#chapter__anchor-${id}`)\r\n\r\n    if (!$anchor) {\r\n      return this\r\n    }\r\n\r\n    this.active = parseInt($anchor.getAttribute('data-id'), 10)\r\n\r\n    if (this.$active) {\r\n      removeClass(this.$active, HIGHLIGHT)\r\n      removeClass(this.$active, ACTIVE)\r\n    }\r\n\r\n    this.$active = $anchor\r\n    addClass(this.$active, ACTIVE)\r\n\r\n    if (animationCurrent) {\r\n      this.positionPlaceholder(this.active)\r\n    } else {\r\n      addClass(this.$active, HIGHLIGHT)\r\n    }\r\n\r\n    later(() => {\r\n      console.log(!inBounding(this.$active, this.$main))\r\n      if (!inBounding(this.$active, this.$main)) {\r\n        placeholderOffsetTop = this._getPlaceholderOffset(this.active)\r\n        console.log('placeholderOffsetTop', placeholderOffsetTop)\r\n        scrollTo(this.$main, placeholderOffsetTop)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  sticky() {\r\n    const afterSticky = this.attr('afterSticky')\r\n    const FIXED = 'outline-navigator_fixed'\r\n    const $el = this.$el\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (!this.isFixed()) {\r\n      return this\r\n    }\r\n\r\n    isStickying = scrollTop >= top\r\n\r\n    if (isStickying) {\r\n      addClass($el, FIXED)\r\n    } else {\r\n      removeClass($el, FIXED)\r\n    }\r\n\r\n    if (isFunction(afterSticky)) {\r\n      afterSticky.call(this, this.isClosed(), isStickying)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  calculateStickyHeight() {\r\n    const documentElement = document.documentElement\r\n    const height = Math.max(\r\n      documentElement.clientHeight || 0,\r\n      window.innerHeight || 0\r\n    )\r\n    setProperty('--outline-sticky-height', `${height}px`)\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  show() {\r\n    const FOLDED = 'outline-navigator_folded'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const opened = this.attr('afterOpened')\r\n    const count = this.count()\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      if (count > 800) {\r\n        removeClass($parent, HIDDEN)\r\n      } else {\r\n        removeClass($parent, HIDDEN)\r\n        later(() => {\r\n          removeClass($parent, FOLDED)\r\n        }, 30)\r\n      }\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n    }\r\n    this.closed = false\r\n\r\n    if (isFunction(opened)) {\r\n      opened.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide() {\r\n    const FOLDED = 'outline-navigator_folded'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const closed = this.attr('afterClosed')\r\n    const count = this.count()\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      if (count > 800) {\r\n        addClass($parent, HIDDEN)\r\n      } else {\r\n        addClass($parent, FOLDED)\r\n        later(() => {\r\n          addClass($parent, HIDDEN)\r\n        })\r\n      }\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n    }\r\n    this.closed = true\r\n\r\n    if (isFunction(closed)) {\r\n      closed.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (this.isClosed()) {\r\n      this.show()\r\n    } else {\r\n      this.hide()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        isStickying = scrollTop >= top\r\n        afterToggle.call(this, this.isClosed(), isStickying)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n      this.scrollTimer = null\r\n    }\r\n\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n      this.resizeTimer = null\r\n    }\r\n\r\n    if (this.observerTimer) {\r\n      clearTimeout(this.observerTimer)\r\n      this.observerTimer = null\r\n    }\r\n\r\n    if (this.Observer) {\r\n      this.Observer = null\r\n    }\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onObserver() {\r\n    const selector = this.attr('selector')\r\n\r\n    this.Observer = intersection(\r\n      ($heading) => {\r\n        const id = $heading.getAttribute('data-id')\r\n\r\n        if (this.playing) {\r\n          return false\r\n        }\r\n\r\n        if (this.observerTimer) {\r\n          clearTimeout(this.observerTimer)\r\n        }\r\n\r\n        this.observerTimer = later(() => {\r\n          this.highlight(id)\r\n        }, 100)\r\n      },\r\n      {\r\n        selector,\r\n        context: this\r\n      }\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  onSelect(evt) {\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const id = $anchor.getAttribute('data-id')\r\n    const headingId = $anchor.href.split('#')[1]\r\n    const $heading = document.querySelector(`#${headingId}`)\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const min = 0\r\n    const max = this.$scrollElement.scrollHeight\r\n    const afterScroll = this.attr('afterScroll')\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this, 'chapter')\r\n      }\r\n\r\n      later(() => {\r\n        this.playing = false\r\n        this.$emit('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.playing = true\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      later(() => {\r\n        this.scrollTo(top, after)\r\n        this.highlight(id)\r\n      }, 10)\r\n    } else {\r\n      this.scrollTo(top, after)\r\n      this.highlight(id)\r\n    }\r\n\r\n    stop(evt)\r\n\r\n    return this\r\n  }\r\n\r\n  onScroll() {\r\n    const $scrollElement = this.$scrollElement\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n    }\r\n\r\n    this.scrollTimer = later(() => {\r\n      const top = $scrollElement.scrollTop\r\n      const min = 0\r\n      const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n\r\n      if (this.isFixed()) {\r\n        this.sticky()\r\n      }\r\n\r\n      this.$emit('toolbar:update', {\r\n        top,\r\n        min,\r\n        max\r\n      })\r\n    }, 100)\r\n\r\n    return this\r\n  }\r\n\r\n  onResize() {\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n    }\r\n\r\n    this.resizeTimer = later(() => {\r\n      this.calculateStickyHeight()\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    on($el, '.outline-navigator__anchor', 'click', this.onSelect, this, true)\r\n    at($element, 'scroll', this.onScroll, this, true)\r\n    if (this.isSticky()) {\r\n      at(window, 'resize', this.onResize, this, true)\r\n    }\r\n    this.$on('anchors:all:paint', this.onObserver, this)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const selector = this.attr('selector')\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    off($el, 'click', this.onSelect)\r\n    off($element, 'scroll', this.onScroll)\r\n    if (this.isSticky()) {\r\n      off(window, 'resize', this.onResize)\r\n    }\r\n    this.$off('anchors:all:paint')\r\n\r\n    if (this.Observer) {\r\n      document.querySelectorAll(selector).forEach((section) => {\r\n        this.Observer.unobserve(section)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nNavigator.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    parentElement: '',\r\n    scrollElement: '',\r\n    selector: '.outline-heading',\r\n    active: 0,\r\n    closed: false,\r\n    showCode: true,\r\n    animationCurrent: true,\r\n    position: 'relative',\r\n    stickyHeight: 0,\r\n    chapters: [],\r\n    created: null,\r\n    mounted: null,\r\n    afterClosed: null,\r\n    afterOpened: null,\r\n    afterScroll: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null,\r\n    afterSticky: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Navigator\r\n","import createElement from './utils/dom/createElement'\r\nimport timeSlice from './utils/lang/timeSlice'\r\n\r\nconst _paintChapters = ($list, chapters, showCode = false) => {\r\n  const LIMIT = 400\r\n  const count = chapters.length\r\n  const clones = [...chapters]\r\n  const paint = (parts) => {\r\n    const byId = (id) => $list.querySelector(`#${id}`)\r\n    parts.forEach((chapter) => {\r\n      const pid = chapter.pid\r\n      const id = chapter.id\r\n      const code = chapter.code\r\n      const rel = chapter.rel\r\n      const children = []\r\n      const $text = createElement(\r\n        'span',\r\n        {\r\n          className: 'outline-navigator__text'\r\n        },\r\n        chapter.text\r\n      )\r\n      let $link\r\n      let $code\r\n      let $li\r\n      let $subject\r\n      let $chapter\r\n\r\n      if (showCode) {\r\n        $code = createElement(\r\n          'span',\r\n          {\r\n            className: 'outline-navigator__code',\r\n            'data-id': id\r\n          },\r\n          chapter.code\r\n        )\r\n\r\n        children.push($code)\r\n      }\r\n\r\n      children.push($text)\r\n\r\n      $link = createElement(\r\n        'a',\r\n        {\r\n          id: `chapter__anchor-${id}`,\r\n          className: 'outline-navigator__anchor',\r\n          href: '#' + rel,\r\n          rel: rel,\r\n          'data-id': id,\r\n          'data-code': code\r\n        },\r\n        children\r\n      )\r\n\r\n      $li = createElement(\r\n        'li',\r\n        {\r\n          id: `chapter-${id}`,\r\n          className: 'outline-navigator__item',\r\n          'data-id': id,\r\n          'data-code': code\r\n        },\r\n        $link\r\n      )\r\n\r\n      if (pid === -1) {\r\n        $list.appendChild($li)\r\n      } else {\r\n        $chapter = byId(`chapter-${pid}`)\r\n        $subject = byId(`subject-${pid}`)\r\n\r\n        if (!$subject) {\r\n          $subject = createElement(\r\n            'ul',\r\n            {\r\n              id: 'subject-' + pid,\r\n              className: 'outline-navigator__subject'\r\n            },\r\n            $li\r\n          )\r\n\r\n          $chapter.appendChild($subject)\r\n        } else {\r\n          $subject.appendChild($li)\r\n        }\r\n      }\r\n    })\r\n  }\r\n\r\n  if (count > LIMIT) {\r\n    // 同步绘制\r\n    paint(clones.splice(0, LIMIT))\r\n    // 剩余的采用 timeSlice 机制绘制\r\n    while (clones.length > 0) {\r\n      const once = clones.splice(0, LIMIT)\r\n      timeSlice(() => {\r\n        paint(once)\r\n      })\r\n    }\r\n  } else {\r\n    paint(clones)\r\n  }\r\n}\r\n\r\nexport default _paintChapters\r\n","import isFunction from '../types/isFunction'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通用的 IntersectionObserver 观察者处理器\r\n * ========================================================================\r\n * @method intersection\r\n * @param {Function} fn\r\n * @param {Object} [props]\r\n * @param {Object|HTMLElement} [props.root]\r\n * @param {String} [props.selector]\r\n * @param {Object} [props.context]\r\n * @param {String} [props.attr]\r\n * @param {String} [props.rootMargin]\r\n */\r\nconst intersection = (fn, props = {}) => {\r\n  const root = props.root || null\r\n  const selector = props.selector || '.outline-heading'\r\n  const context = props.context || null\r\n  const rootMargin = props.rootMargin || '0px 0px -90% 0px'\r\n  const options = {\r\n    rootMargin: rootMargin\r\n  }\r\n  // eslint-disable-next-line compat/compat\r\n  const Observer = new IntersectionObserver((entries) => {\r\n    entries.forEach((entry) => {\r\n      if (entry.intersectionRatio > 0) {\r\n        if (isFunction(fn)) {\r\n          fn.call(context || entry.target, entry.target)\r\n        }\r\n      }\r\n    })\r\n  }, options)\r\n  const $root = isElement(root) ? root : document\r\n\r\n  if (root) {\r\n    options.root = root\r\n  }\r\n\r\n  $root.querySelectorAll(selector).forEach((section) => {\r\n    Observer.observe(section)\r\n  })\r\n\r\n  return Observer\r\n}\r\n\r\nexport default intersection\r\n","/**\r\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\r\n * ========================================================================\r\n * @method stop\r\n * @param {Event} evt - 事件对象\r\n *\r\n * @example\r\n * <div id=\"nav\" class=\"nav\">\r\n *   <a id=\"service\" class=\"anchor\" href=\"https://www.yaohaixiao.com/serivce\">Service</a>\r\n *   <a id=\"help\" class=\"anchor\" href=\"https://www.yaohaixiao.com/help\">Help</a>\r\n * </div>\r\n *\r\n * const $nav = document.querySelector('#nav')\r\n * const $service = document.querySelector('.anchor')\r\n *\r\n * on($nav, 'click', function(evt) {\r\n *   console.log('你点击了导航栏')\r\n * })\r\n *\r\n * on($anchor, 'click', function(evt) {\r\n *   console.log('tagName', this.tagName)\r\n *\r\n *   // 工作台输出：'a'\r\n *   // 不会触发事件冒泡，输出：'你点击了导航栏'\r\n *   // 也不会切换到 href 属性的页面，阻止了点击链接的默认行为\r\n *   stopEvent(evt)\r\n * })\r\n */\r\nconst stop = function (evt) {\r\n  evt.stopPropagation()\r\n  evt.preventDefault()\r\n}\r\n\r\nexport default 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\ No newline at end of file
diff --git a/docs/js/outline.min.js b/docs/js/outline.min.js
index 5e7bb36..2d56cfa 100644
--- a/docs/js/outline.min.js
+++ b/docs/js/outline.min.js
@@ -1,2 +1,2 @@
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t="outline-reader",e=`${t}--reading`,s=`${t}_hidden`,i=this.$paper,r=document.querySelectorAll(".outline-reader_sibling");return this.reading&&i?(h(i,s),Y(i,e),r.forEach((t=>{Y(t,s)})),this.toolbar.hide(),this.reading=!1,this.$emit("exitReading"),this):this}toggle(){return this.reading?this.exit():this.enter(),this}speak(){const t=this.$article.innerText,e=this.speech;return $t.isSupport?(this.toolbar.highlight("speak"),this.isSpeaking()?e.cancel():e.speak(t),this):this}print(){return e(print)?(print(),this):this}destroy(){return this.$paper?(this.removeListeners()._remove()._default(),this):this}onPrint(){return this.print(),this}onEnterReading(){return this.toggle(),this}onExitReading(t){return 27===t.keyCode&&this.reading&&(this.toggle(),j(t)),this}addListeners(){return this.$paper?(nt(document,"keyup",this.onExitReading,this,!0),this.$on("toolbar:action:print",this.onPrint),this.$on("toolbar:action:reading",this.onEnterReading),this):this}removeListeners(){return this.$paper?(F(document,"keyup",this.onExitReading),this.$off("toolbar:action:print"),this.$off("toolbar:action:reading"),this):this}}var wt;Tt.DEFAULTS=n({target:"",title:"",enterReadingTip:xt,allowSpeak:!1});class Et extends E{constructor(t){super(),this._default(),t&&this.initialize(t)}_default(){const t=Et.DEFAULTS;return this.attrs=n(t),this.$article=null,this.$scrollElement=null,this.buttons=[],this.anchors=null,this.drawer=null,this.navigator=null,this.reader=null,this.toolbar=null,this}initialize(t){let e="",s="",i=null;return this.attr(t),e=this.attr("articleElement"),s=this.attr("scrollElement"),l(e)?i=document.querySelector(e):o(e)&&(i=e),this.$article=i,this.$scrollElement=d(s),this.$emit("created",{...this.attr()}),this.render().addListeners(),this}getChapters(){let t=arguments.length>0&&void 0!==arguments[0]&&arguments[0];const e=this.$article,s=this.attr("selector"),i=this.attr("showCode")||!0,r=this.attr("chapterTextFilter");return g({articleElement:e,selector:s,showCode:i,chapterTextFilter:r,isTreeStructured:t})}count(){return this.getChapters().length}render(){const t=this.attr("hasToolbar"),e=this.$scrollElement;return this._renderReader()._renderAnchors()._renderNavigator()._renderToolbar(),e&&t&&this._updateToolbar({top:e.scrollTop,min:0,max:e.scrollHeight}),this.$emit("mounted"),this}refresh(){const t=this.getChapters();return this.anchors.refresh(t),this.navigator.refresh(t),this.reader.refresh(),this}_renderReader(){const t=this.attr("reader");return t.target?(h(this.$article,"outline-article"),this.reader=new Tt(t),this):this}_renderAnchors(){const t=this.attr("articleElement"),e=this.attr("selector"),s=this.attr("stickyHeight"),i=this.attr("scrollElement"),r=this.attr("showCode"),n=this.attr("anchorURL"),l=this.attr("afterScroll"),o=this.attr("chapterTextFilter");return this.anchors=new K({articleElement:t,stickyHeight:s,scrollElement:i,selector:e,showCode:r,anchorURL:n,afterScroll:l,chapterTextFilter:o}),this}_renderNavigator(){const t=this.attr("title"),e=this.attr("stickyHeight"),s=this.attr("scrollElement"),i=this.attr("customClass"),r=this.attr("showCode"),n=this.attr("animationCurrent"),l=this.attr("closeOnClickModal"),o=this.attr("showNavModalFirst"),a=this.attr("position"),h=this.attr("placement"),c=this.attr("afterSticky"),d=this.attr("afterToggle"),u=this.attr("afterScroll"),m=this.count();let p,g=this.attr("parentElement");return m<1||(p={scrollElement:s,showCode:r,animationCurrent:n,position:a,title:t,stickyHeight:e,chapters:this.getChapters(),afterSticky:c,afterToggle:d,afterScroll:u},"relative"===a?(this.drawer=new rt({placement:h,title:t,size:"tiny",hasOffset:!0,hasPadding:!1,closeOnClickModal:l,customClass:i,afterClosed:()=>{this.toolbar.toggle()}}),g=this.drawer.$main,o&&this.drawer.open()):p.customClass=i,p.parentElement=g,this.navigator=new at(p)),this}_renderToolbar(){const t=this.attr("position"),s=this.attr("hasToolbar"),i=this.attr("showNavModalFirst"),r=this.attr("placement"),n=this.attr("homepage"),l=this.attr("git"),o=this.attr("tags"),a=this.attr("issues"),h=this.attr("tools"),c=this.attr("reader"),d=this.count(),u={name:"up",icon:"up",size:20,action:{context:this,handler:this.toTop}},m={name:"homepage",icon:"homepage",size:20,link:n},p={name:"github",icon:"github",size:20,link:l},g={name:"tags",icon:"tags",size:20,link:o},f={name:"issues",icon:"issues",size:20,link:a},b={name:"toggle",icon:"menu",size:18,action:{context:this,handler:this.toggle}},v={name:"reading",icon:"file",size:18,action:{context:this,handler:"toolbar:action:reading"}},y={name:"print",icon:"print",size:20,action:{handler:"toolbar:action:print"}},$={name:"down",icon:"down",size:20,action:{context:this,handler:this.toBottom}},_=[];return s?(_.push(u),d>0&&_.push(b),n&&_.push(m),l&&_.push(p),o&&_.push(g),a&&_.push(f),c.target&&(_.push(v),e(print)&&_.push(y)),(null==h?void 0:h.length)>0&&_.push(...h),_.push($),this.buttons=[..._],this.toolbar=new yt({placement:r,buttons:_}),"relative"===t&&i&&this.toolbar.hide(),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}_updateToolbar(t){let{top:e,min:s,max:i}=t;const r=this.toolbar,n=Math.ceil(e);return n<=s?(r.hide("up"),r.show("down")):n>=i?(r.hide("down"),r.show("up")):n>s&&n<i&&(r.show("up"),r.show("down")),this}toTop(){const t=this.attr("afterScroll"),s=this.toolbar,i=this.navigator,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,u(i.$main,0)),e(t)&&t.call(s,"up")})),this}toBottom(){const t=this.attr("afterScroll"),s=this.$scrollElement,i=this.toolbar,r=this.navigator,n=this.count(),l=Math.floor(s.scrollHeight-s.clientHeight);return n>0&&(r.playing=!0),this.scrollTo(l,(()=>{const s=r.$main;i.hide("down"),i.show("up"),n>0&&(r.highlight(n-1),u(s,s.scrollHeight),r.playing=!1),e(t)&&t.call(i,"bottom")})),this}scrollTo(t,e){return u(this.$scrollElement,t,e),this}enterReading(){const t=this.reader;return!t||t.reading||(this.toolbar.toggle(),t.enter()),this}exitReading(){const t=this.reader;return t&&t.reading?(this.toolbar.toggle(),t.exit(),this):this}switchReading(){const t=this.reader;return t?(t.toggle(),this):this}toggle(){const t=this.attr("position"),e=this.toolbar,i=this.drawer,r=this.navigator;return this.count()<1||("relative"!==t?(r.toggle(),e.highlight("toggle")):(e.toggle(),s((()=>{i.toggle()})))),this}print(){return this.reader.print(),this}_destroy(){const t=this.count();let e=this.anchors,s=this.navigator,i=this.drawer,r=this.reader,n=this.toolbar,l=!1;return this.removeListeners(),r&&r.destroy(),t>0&&s&&(l=s.isOutside(),s.destroy(),l&&i&&i.destroy()),e&&e.destroy(),n&&n.destroy(),this}destroy(){return this.$emit("beforeDestroy"),this._destroy()._default(),this.$emit("destroyed"),this}onToolbarUpdate(t){let{top:e,min:s,max:i}=t;return this._updateToolbar({top:e,min:s,max:i}),this}addListeners(){return this.attr("hasToolbar")?(this.$on("toolbar:update",this.onToolbarUpdate),this):this}removeListeners(){return this.attr("hasToolbar")?(this.$off("toolbar:update"),this):this}}if(Et.DEFAULTS=n({articleElement:"#article",selector:"h2,h3,h4,h5,h6",parentElement:"#aside",scrollElement:"html,body",title:"目录",position:"relative",placement:"rtl",animationCurrent:!0,showCode:!0,hasToolbar:!0,closeOnClickModal:!0,showNavModalFirst:!1,anchorURL:"",stickyHeight:0,homepage:"",git:"",tags:"",issues:"",tools:[],reader:{target:"",title:"",enterReadingTip:"进入阅读模式，按 ESC 键可退出阅读模式",allowSpeak:!1},customClass:"",afterSticky:null,afterToggle:null,afterScroll:null,chapterTextFilter:null}),null!==(wt=window)&&void 0!==wt&&wt.jQuery){const t=window.jQuery;t.extend(t.fn,{outline:function(e){let s=t(this);return new Et(t.extend({},e,{articleElement:s}))}})}return Et}));
 //# sourceMappingURL=outline.min.js.map
diff --git a/docs/js/outline.min.js.map b/docs/js/outline.min.js.map
index e81c0ea..224f95a 100644
--- a/docs/js/outline.min.js.map
+++ b/docs/js/outline.min.js.map
@@ -1 +1 @@
-{"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/easeInQuad.js","../../utils/dom/_getScrollElement.js","../../utils/dom/scrollTo.js","../../utils/lang/trim.js","../../getChaptersByHeadings.js","../../utils/lang/stripTags.js","../../_getChapterParentIdByDiffer.js","../../_getChaptersWithCode.js","../../getChapters.js","../../utils/lang/toTree.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/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/event/stop.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","../../utils/dom/removeClass.js","../../_removeHeading.js","../../utils/types/isEmpty.js","../../anchors.js","../../_updateHeading.js","../../utils/types/tags.js","../../utils/types/isHTML.js","../../utils/lang/stripScripts.js","../../utils/dom/setProperty.js","../../zIndex.js","../../drawer.js","../../utils/dom/html.js","../../utils/event/at.js","../../utils/dom/getStyle.js","../../navigator.js","../../_paintChapters.js","../../utils/dom/inBounding.js","../../utils/dom/intersection.js","../../utils/types/isObjectLike.js","../../utils/types/isPlainObject.js","../../utils/lang/encodeHTML.js","../../message.js","../../command.js","../../commands.js","../../_createButton.js","../../toolbar.js","../../speech.js","../../_updateSiblingElements.js","../../reader.js","../../outline.js"],"sourcesContent":["/**\r\n * Object 对象原型上的 toString 方法\r\n * ========================================================================\r\n * @method toString\r\n * @param {*} val\r\n * @returns {string}\r\n */\r\nconst toString = (val) => {\r\n  return Object.prototype.toString.apply(val)\r\n}\r\n\r\nexport default toString\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测测试数据是否为 Function 类型\r\n * ========================================================================\r\n * @method isFunction\r\n * @param {*} val - （必须）待检测的数据\r\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\r\n */\r\nconst isFunction = (val) => {\r\n  return typeof val === 'function' || toString(val) === '[object Function]'\r\n}\r\n\r\nexport default isFunction\r\n","import isFunction from '../types/isFunction'\r\n\r\n/**\r\n * later - 延迟执行方法\r\n * ========================================================================\r\n * @method later\r\n * @param {Function} fn\r\n * @param {Number} [delay]\r\n * @returns {number|boolean}\r\n */\r\nconst later = (fn, delay = 300) => {\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  return setTimeout(() => {\r\n    fn()\r\n  }, delay)\r\n}\r\n\r\nexport default later\r\n","import toString from '../lang/toString'\r\nimport isFunction from './isFunction'\r\n\r\n/**\r\n * 检测数据是否为 Object 类型\r\n * ========================================================================\r\n * @method isObject\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isObject = (o) => {\r\n  return (\r\n    (toString(o) === '[object Object]' ||\r\n      typeof o === 'object' ||\r\n      isFunction(o)) &&\r\n    o !== null\r\n  )\r\n}\r\n\r\nexport default isObject\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测数据是否为 Array 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isArray = (o) => {\r\n  if (Array.isArray) {\r\n    return Array.isArray(o)\r\n  } else {\r\n    return toString(o) === '[object Array]'\r\n  }\r\n}\r\n\r\nexport default isArray\r\n","import isObject from '../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","/**\r\n * 检测数据是否为 String 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} str\r\n * @returns {boolean}\r\n */\r\nconst isString = (str) => {\r\n  return typeof str === 'string'\r\n}\r\n\r\nexport default isString\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测数据是否为 HTMLElement DOM 节点\r\n * ========================================================================\r\n * @method isElement\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isElement = (o) => {\r\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\r\n}\r\n\r\nexport default isElement\r\n","import isElement from '../types/isElement'\r\n/**\r\n * 检测 DOM 节点是否包含名为 className 的样式\r\n * ========================================================================\r\n * @method hasClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst hasClass = (el, className) => {\r\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\r\n  let allClass\r\n  let classList\r\n\r\n  if (!isElement(el)) {\r\n    return false\r\n  }\r\n\r\n  allClass = el.className\r\n\r\n  if (!allClass) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList && classList.contains) {\r\n    return el.classList.contains(className)\r\n  }\r\n\r\n  return !!pattern.exec(allClass)\r\n}\r\n\r\nexport default hasClass\r\n","import hasClass from './hasClass'\r\n\r\n/**\r\n * 给 DOM 节点添加名为 className 的样式\r\n * ========================================================================\r\n * @method addClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst addClass = (el, className) => {\r\n  let classList\r\n  let allClass\r\n\r\n  if (hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.add) {\r\n    classList.add(className)\r\n  } else {\r\n    allClass = el.className\r\n    allClass += allClass.length > 0 ? ' ' + className : className\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default addClass\r\n","/**\r\n * 返回给定值的平方值\r\n * ========================================================================\r\n * @method easeInQuad\r\n * @param {Number} x\r\n * @returns {number}\r\n */\r\nconst easeInQuad = (x) => {\r\n  return x * x\r\n}\r\n\r\nexport default easeInQuad\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\r\n * ========================================================================\r\n * @method _getScrollElement\r\n * @param {String|HTMLElement} scrollElement\r\n * @returns {Element}\r\n * @private\r\n */\r\nconst _getScrollElement = (scrollElement = null) => {\r\n  let $rootElements\r\n  let $scrollElement\r\n\r\n  if (!scrollElement) {\r\n    $rootElements = document.querySelectorAll('html,body')\r\n    $scrollElement =\r\n      $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\r\n        ? $rootElements[0]\r\n        : $rootElements[1]\r\n  } else {\r\n    if (isString(scrollElement)) {\r\n      $scrollElement = document.querySelector(scrollElement)\r\n    } else if (isElement(scrollElement)) {\r\n      $scrollElement = scrollElement\r\n    }\r\n  }\r\n\r\n  return $scrollElement\r\n}\r\n\r\nexport default _getScrollElement\r\n","import easeInQuad from '../lang/easeInQuad'\r\nimport isFunction from '../types/isFunction'\r\nimport _getScrollElement from './_getScrollElement'\r\n\r\n/**\r\n * 指定 rootElement DOM 节点滚动到指定 top 位置\r\n * ========================================================================\r\n * @method scrollTo\r\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\r\n * @param {Number} top - （必须）滚动的 scrollTop 数值\r\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\r\n */\r\nconst scrollTo = (scrollElement, top, afterStop) => {\r\n  const $scrollElement = _getScrollElement(scrollElement)\r\n  let scrollTop = $scrollElement.scrollTop\r\n  let step = 0\r\n  const distance = top - scrollTop\r\n  const MAX_HEIGHT = $scrollElement.scrollHeight\r\n  const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\r\n  const stop = (top) => {\r\n    if (isFunction(afterStop)) {\r\n      afterStop(top)\r\n    }\r\n\r\n    return false\r\n  }\r\n  const play = () => {\r\n    step += 1\r\n\r\n    // 向上滚动\r\n    if (distance < 0) {\r\n      scrollTop -= easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop <= top) {\r\n        $scrollElement.scrollTop = top\r\n        return stop(top)\r\n      }\r\n    } else {\r\n      scrollTop += easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop >= MAX_TOP) {\r\n        $scrollElement.scrollTop = MAX_TOP\r\n        return stop(MAX_TOP)\r\n      }\r\n    }\r\n\r\n    // eslint-disable-next-line compat/compat\r\n    requestAnimationFrame(play)\r\n  }\r\n\r\n  // eslint-disable-next-line compat/compat\r\n  requestAnimationFrame(play)\r\n}\r\n\r\nexport default scrollTo\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 清楚字符串起始位置所有的空格\r\n * ========================================================================\r\n * @method trim\r\n * @param {string} str\r\n * @returns {string|Boolean}\r\n */\r\nconst trim = (str) => {\r\n  if (!isString(str)) {\r\n    return false\r\n  }\r\n  return str.replace(/(^\\s+)|(\\s+$)/g, '')\r\n}\r\n\r\nexport default trim\r\n","import trim from './utils/lang/trim'\r\nimport stripTags from './utils/lang/stripTags'\r\nimport isFunction from './utils/types/isFunction'\r\n\r\nimport _getChapterParentIdByDiffer from './_getChapterParentIdByDiffer'\r\nimport _getChaptersWithCode from './_getChaptersWithCode'\r\n\r\n/**\r\n * 根据文章中的 h1~h6 标签，自动分析返回文章章节数据\r\n * ========================================================================\r\n * @method getChaptersByHeadings\r\n * @param {Array} headings\r\n * @param {Boolean} [showCode]\r\n * @param {Function} [chapterTextFilter]\r\n * @return {*|*[]}\r\n */\r\nconst getChaptersByHeadings = (\r\n  headings,\r\n  showCode = true,\r\n  chapterTextFilter = null\r\n) => {\r\n  let previous = 1\r\n  let level = 0\r\n  let text = ''\r\n  const chapters = []\r\n\r\n  headings.forEach((heading, i) => {\r\n    const tagName = heading.tagName\r\n    const headingLevel = tagName.replace(/h/i, '')\r\n    let current = parseInt(headingLevel, 10)\r\n    let pid = -1\r\n\r\n    // 场景1：当前标题是前一个标题的子标题\r\n    // 当前标题的（标题标签）序号 > 前一个标题的序号：两个相连的标题是父标题 -> 子标题关系；\r\n    // h2 （前一个标题）\r\n    // h3 （当前标题）\r\n    if (current > previous) {\r\n      level += 1\r\n\r\n      // 第一层级的 pid 是 -1\r\n      if (level === 1) {\r\n        pid = -1\r\n      } else {\r\n        pid = i - 1\r\n      }\r\n    }\r\n    // 场景2：当前标题和前一个标题层级相同\r\n    // 当前标题的（标题标签）序号 = 前一个标题的序号\r\n    // h2 （前一个标题）\r\n    // h2 （当前标题）\r\n    // 当前标题的（标题标签）序号 < 前一个标题的序号，并且当前标题序号 > 当前的级别\r\n    // h2\r\n    // h4 （前一个标题）\r\n    // h3 （当前标题：这种情况我们还是任务 h3 是 h2 的下一级章节）\r\n    else if (current === previous || (current < previous && current > level)) {\r\n      // H1 的层级肯定是 1\r\n      if (current === 1) {\r\n        level = 1\r\n        pid = -1\r\n      } else {\r\n        pid = chapters[i - 1].pid\r\n      }\r\n    }\r\n    // 场景3：当前标题比前一个标题层级高\r\n    else if (current <= level) {\r\n      // H1 的层级肯定是 1\r\n      if (current === 1) {\r\n        level = 1\r\n      } else {\r\n        level = level - (previous - current)\r\n\r\n        if (level <= 1) {\r\n          level = 1\r\n        }\r\n      }\r\n\r\n      // 第一级的标题\r\n      if (level === 1) {\r\n        pid = -1\r\n      } else {\r\n        // 通过当前标题和前一个标题之间的等级差，获得当前标题的父标题ID\r\n        pid = _getChapterParentIdByDiffer(chapters, previous - current, i)\r\n      }\r\n    }\r\n\r\n    previous = current\r\n\r\n    text = stripTags(trim(heading.innerHTML))\r\n\r\n    if (isFunction(chapterTextFilter)) {\r\n      text = chapterTextFilter(text)\r\n    }\r\n\r\n    chapters.push({\r\n      id: i,\r\n      pid: pid,\r\n      level: level,\r\n      rel: `heading-${i}`,\r\n      text,\r\n      tagName\r\n    })\r\n  })\r\n\r\n  return showCode ? _getChaptersWithCode(chapters) : chapters\r\n}\r\n\r\nexport default getChaptersByHeadings\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 过滤所有 HTML 标签\r\n * ========================================================================\r\n * @method stripTags\r\n * @param {string} str\r\n * @returns {string}\r\n */\r\nconst stripTags = (str) => {\r\n  if (!isString(str)) {\r\n    return ''\r\n  }\r\n  return str.replace(/<\\/?[^>]+(>|$)/g, '')\r\n}\r\n\r\nexport default stripTags\r\n","const _getChapterParentIdByDiffer = (chapters, differ, index) => {\r\n  let previous = chapters[index - 1]\r\n  let pid\r\n  let i\r\n\r\n  for (i = 0; i < differ; i += 1) {\r\n    pid = previous.pid\r\n    previous = chapters[pid]\r\n  }\r\n\r\n  pid = previous.pid\r\n\r\n  return pid\r\n}\r\n\r\nexport default _getChapterParentIdByDiffer\r\n","import isArray from './utils/types/isArray'\r\n\r\nconst _getChaptersWithCode = (chapters) => {\r\n  const groups = {}\r\n  const cb = (o) => {\r\n    return [o.pid]\r\n  }\r\n\r\n  chapters.forEach((o) => {\r\n    const group = JSON.stringify(cb(o))\r\n\r\n    groups[group] = groups[group] || []\r\n    groups[group].push(o)\r\n\r\n    o.index = groups[group].length\r\n\r\n    if (o.pid === -1) {\r\n      o.code = String(o.index)\r\n    }\r\n  })\r\n\r\n  Object.keys(groups).forEach((group) => {\r\n    groups[group].forEach((c) => {\r\n      const subjects = groups[`[${c.id}]`]\r\n\r\n      if (!subjects || !isArray(subjects)) {\r\n        return false\r\n      }\r\n\r\n      subjects.forEach((o) => {\r\n        o.code = c.code + '.' + o.index\r\n      })\r\n    })\r\n  })\r\n\r\n  return chapters\r\n}\r\n\r\nexport default _getChaptersWithCode\r\n","import isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport toTree from './utils/lang/toTree'\r\n\r\nimport getChaptersByHeadings from './getChaptersByHeadings'\r\n\r\n/**\r\n *\r\n * @param {Object} [options]\r\n * @param {String|HTMLElement} [options.articleElement]\r\n * @param {String} [options.selector]\r\n * @param {Boolean} [options.showCode]\r\n * @param {Function} [options.chapterTextFilter]\r\n * @param {Boolean} [options.isTreeStructured]\r\n * @returns {Array}\r\n */\r\nconst getChapters = (options) => {\r\n  const {\r\n    articleElement,\r\n    selector,\r\n    showCode,\r\n    chapterTextFilter,\r\n    isTreeStructured\r\n  } = options\r\n  let $article = document.querySelector('#article')\r\n  let $headings = []\r\n  let chapters = []\r\n  let filter = (text) => {\r\n    return text.replace(/\\(.*?\\)/, '()')\r\n  }\r\n\r\n  if (isString(articleElement)) {\r\n    $article = document.querySelector(articleElement)\r\n  } else if (isElement(articleElement)) {\r\n    $article = articleElement\r\n  }\r\n\r\n  if (!$article) {\r\n    return chapters\r\n  }\r\n\r\n  if (isFunction(chapterTextFilter)) {\r\n    filter = chapterTextFilter\r\n  }\r\n\r\n  $headings = [...$article.querySelectorAll(selector || 'h1,h2,h3,h4,h5,h6')]\r\n  chapters = getChaptersByHeadings($headings, showCode || true, filter)\r\n\r\n  return isTreeStructured === true ? toTree(chapters, 'id', 'pid') : chapters\r\n}\r\n\r\nexport default getChapters\r\n","const toTree = (list, nodeKey, parentKey) => {\r\n  const map = {}\r\n  const roots = []\r\n\r\n  list.forEach((item, i) => {\r\n    // initialize the map\r\n    map[item[nodeKey]] = i\r\n    // initialize the children\r\n    item.children = []\r\n  })\r\n\r\n  list.forEach((item) => {\r\n    const node = list[map[item[parentKey]]]\r\n\r\n    if (item[parentKey] !== -1) {\r\n      // if you have dangling branches check that map[node.parentId] exists\r\n      node.children.push(item)\r\n    } else {\r\n      roots.push(item)\r\n    }\r\n  })\r\n\r\n  return roots\r\n}\r\n\r\nexport default toTree\r\n","/**\r\n * 检测对象自身属性中是否具有指定的属性。\r\n * ========================================================================\r\n * @method hasOwn\r\n * @param {Object} obj - （必须）检测的目标对象\r\n * @param {String} prop - （必须）属性名\r\n * @returns {Boolean}\r\n */\r\nconst hasOwn = (obj, prop) => {\r\n  const hasOwnProperty = Object.prototype.hasOwnProperty\r\n  return obj && hasOwnProperty.call(obj, prop)\r\n}\r\n\r\nexport default hasOwn\r\n","import hasOwn from './hasOwn'\r\n\r\n/**\r\n * 扩展对象\r\n * ========================================================================\r\n * @method extend\r\n * @param {Object} origin\r\n * @param {Object} source\r\n */\r\nconst extend = (origin, source) => {\r\n  const keys = Object.keys(source)\r\n\r\n  keys.forEach((prop) => {\r\n    if (hasOwn(source, prop)) {\r\n      origin[prop] = source[prop]\r\n    }\r\n  })\r\n}\r\n\r\nexport default extend\r\n","/**\r\n * 存储订阅者（主题和处理器的）私有对象\r\n * ========================================================================\r\n * @type {{}}\r\n * @private\r\n */\r\nconst _subscribers = {}\r\n\r\nexport default _subscribers\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\r\n * ========================================================================\r\n * @method _hasDirectSubscribersFor\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasDirectSubscribersFor = (topic) => {\r\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\r\n}\r\n\r\nexport default _hasDirectSubscribersFor\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\nimport _hasSubscribers from './_hasSubscribers'\r\n\r\n/**\r\n * 判断是否存在包含 topic 指定的订阅者信息\r\n * ========================================================================\r\n * @method has\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\r\n * @returns {Boolean}\r\n */\r\nconst has = (topic, isDirect = true) => {\r\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\r\n}\r\n\r\nexport default has\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * 判断是否存在包含给定 topic 相关的订阅者信息\r\n * ========================================================================\r\n * @method _hasSubscribers\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasSubscribers = (topic) => {\r\n  let found = _hasDirectSubscribersFor(topic)\r\n  let position = topic.lastIndexOf('.')\r\n\r\n  while (!found && position !== -1) {\r\n    topic = topic.substring(0, position)\r\n    position = topic.lastIndexOf('.')\r\n    found = _hasDirectSubscribersFor(topic)\r\n  }\r\n\r\n  return found\r\n}\r\n\r\nexport default _hasSubscribers\r\n","import isTypedArray from '../types/isTypedArray'\r\nimport _subscribers from './_subscribers'\r\nimport has from './has'\r\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * （异步）发布订阅主题信息\r\n * ========================================================================\r\n * 主题默认是异步发布的。确保在消费者处理主题时，主题的发起者不会被阻止。\r\n * ========================================================================\r\n * @method emit\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Object} [data] - （可选）数据对象\r\n * @param {Boolean} [async] - (可选) 是否异步发布\r\n */\r\nconst emit = (topic, data, async = true) => {\r\n  const execute = (topic) => {\r\n    if (!_hasDirectSubscribersFor(topic)) {\r\n      return false\r\n    }\r\n\r\n    _subscribers[topic].forEach((subscriber) => {\r\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\r\n      // 采用 toString() 方法转化为普通（JSON）字符串\r\n      const message = isTypedArray(data) ? data.toString() : data\r\n\r\n      subscriber.callback.call(subscriber.context || subscriber, message)\r\n    })\r\n  }\r\n  const deliver = () => {\r\n    let subscriber = topic\r\n    let position = topic.lastIndexOf('.')\r\n\r\n    while (position !== -1) {\r\n      subscriber = subscriber.substring(0, position)\r\n      position = subscriber.lastIndexOf('.')\r\n\r\n      execute(subscriber)\r\n    }\r\n\r\n    // 执行 topic 对应的处理器\r\n    execute(topic)\r\n    // 执行特殊 topic：'*'（监听全部消息的发布）\r\n    execute('*')\r\n  }\r\n\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (async) {\r\n    setTimeout(deliver, 10)\r\n  } else {\r\n    deliver()\r\n  }\r\n}\r\n\r\nexport default emit\r\n","import toString from '../lang/toString'\r\n/**\r\n * 判断检测数据是否为 Typed Arrays 类型的数据\r\n * ========================================================================\r\n * @param {*} val\r\n * @returns {boolean}\r\n */\r\nconst isTypedArray = (val) => {\r\n  const TYPES = [\r\n    '[object Int8Array]',\r\n    '[object Uint8Array]',\r\n    '[object Uint8ClampedArray]',\r\n    '[object Int16Array]',\r\n    '[object Uint16Array]',\r\n    '[object Int32Array]',\r\n    '[object Uint32Array]',\r\n    '[object Float32Array]',\r\n    '[object Float64Array]',\r\n    '[object BigInt64Array]',\r\n    '[object BigUint64Array]'\r\n  ]\r\n\r\n  return TYPES.indexOf(toString(val)) > -1\r\n}\r\n\r\nexport default isTypedArray\r\n","/**\r\n * 生成唯一 id 字符串的函数\r\n * ========================================================================\r\n * @method guid\r\n * @param {String} [prefix] - 生成 id 的前缀字符串\r\n * @return {String} 返回一个表示唯一 id 的字符串\r\n */\r\nconst guid = (() => {\r\n  let uuid = 0\r\n\r\n  return (prefix) => {\r\n    uuid += 1\r\n\r\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\r\n  }\r\n})()\r\n\r\nexport default guid\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 删除与给定 topic 相同的订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriber\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _removeSubscriber = (topic) => {\r\n  if (!hasOwn(_subscribers, topic)) {\r\n    return false\r\n  }\r\n\r\n  delete _subscribers[topic]\r\n}\r\n\r\nexport default _removeSubscriber\r\n","import has from './has'\r\nimport _removeSubscriber from './_removeSubscriber'\r\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\r\n\r\n/**\r\n * 取消订阅主题\r\n * ========================================================================\r\n * @method off\r\n * @param {String} topic - （必须）订阅的主题\r\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\r\n */\r\nconst off = (topic, token) => {\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (token) {\r\n    _removeSubscriberByToken(token)\r\n  } else {\r\n    _removeSubscriber(topic)\r\n  }\r\n}\r\n\r\nexport default off\r\n","import _subscribers from './_subscribers'\r\nimport _removeSubscriber from './_removeSubscriber'\r\n\r\n/**\r\n * 通过订阅者 token 值删除订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriberByToken\r\n * @param {String} token - 订阅者 token 字符串\r\n * @returns {boolean}\r\n * @private\r\n */\r\nconst _removeSubscriberByToken = (token) => {\r\n  const keys = Object.keys(_subscribers)\r\n  let index = -1\r\n\r\n  if (!token || keys.length < 1) {\r\n    return false\r\n  }\r\n\r\n  keys.forEach((subject) => {\r\n    const subscriber = _subscribers[subject]\r\n    let topic\r\n\r\n    subscriber.forEach((execution, j) => {\r\n      if (execution.callback === token || execution.token === token) {\r\n        topic = execution.topic\r\n        subscriber.splice(index, j)\r\n      }\r\n    })\r\n\r\n    /* istanbul ignore else */\r\n    if (subscriber.length < 1) {\r\n      _removeSubscriber(topic)\r\n    }\r\n  })\r\n}\r\n\r\nexport default _removeSubscriberByToken\r\n","import 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  refresh() {\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    let attrs = this.attr()\r\n\r\n    if (options) {\r\n      attrs = this.attr(options)\r\n    }\r\n\r\n    this.destroy().initialize(attrs)\r\n\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'\r\nimport isFunction from '../types/isFunction'\r\nimport guid from '../lang/guid'\r\n\r\n/**\r\n * 订阅主题，并给出处理器函数\r\n * ========================================================================\r\n * @method on\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Function} handler - （必须）主题的处理器函数\r\n * @param {Object} [context] - （可选）指定 this 执行上下文\r\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\r\n */\r\nconst on = (topic, handler, context = null) => {\r\n  const token = guid()\r\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\r\n\r\n  if (!isFunction(handler)) {\r\n    return ''\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (!_subscribers[subject]) {\r\n    _subscribers[subject] = []\r\n  }\r\n\r\n  _subscribers[subject].push({\r\n    topic: subject,\r\n    callback: handler,\r\n    context,\r\n    token\r\n  })\r\n\r\n  return token\r\n}\r\n\r\nexport default on\r\n","/**\r\n * timeSlice.js 时间切片功能函数\r\n * ====================================================\r\n * Created By: Yaohaixiao\r\n * Update: 2023.09.04\r\n */\r\nimport isFunction from '../types/isFunction'\r\nimport later from './later'\r\n\r\nconst queue = []\r\nlet isHandling\r\nlet done\r\n\r\n// Shim from https://developers.google.com/web/updates/2015/08/using-requestidlecallback\r\nif (typeof window.requestIdleCallback === 'undefined') {\r\n  window.requestIdleCallback = function (cb) {\r\n    const start = Date.now()\r\n    return later(function () {\r\n      cb({\r\n        didTimeout: false,\r\n        timeRemaining: function () {\r\n          return Math.max(0, 50 - (Date.now() - start))\r\n        }\r\n      })\r\n    }, 10)\r\n  }\r\n\r\n  window.cancelIdleCallback = function (id) {\r\n    clearTimeout(id)\r\n  }\r\n}\r\n\r\nfunction runIdle(idleDeadline) {\r\n  while (idleDeadline.timeRemaining() > 0 && queue.length) {\r\n    const fn = queue.shift()\r\n\r\n    if (!isFunction(fn)) {\r\n      return false\r\n    }\r\n\r\n    fn()\r\n  }\r\n\r\n  if (queue.length) {\r\n    isHandling = requestIdleCallback(runIdle)\r\n  } else {\r\n    isHandling = 0\r\n\r\n    if (isFunction(done)) {\r\n      done()\r\n      done = null\r\n    }\r\n  }\r\n}\r\n\r\n/**\r\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\r\n * 多个短时间任务\r\n * ====================================================\r\n * @param {Function} fn - 需要在空闲时执行的回调函数\r\n * @param {Function} afterComplete - queen 的\r\n * @return {(function(): (boolean|undefined))|*|boolean}\r\n */\r\nconst timeSlice = (fn, afterComplete = null) => {\r\n  queue.push(fn)\r\n\r\n  if (isFunction(afterComplete)) {\r\n    done = afterComplete\r\n  }\r\n\r\n  if (!isHandling) {\r\n    requestIdleCallback(runIdle)\r\n  }\r\n}\r\n\r\nexport default timeSlice\r\n","/**\r\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\r\n * ========================================================================\r\n * @method offsetTop\r\n * @param {HTMLElement} el - DOM 节点\r\n * @returns {Number}\r\n */\r\nconst offsetTop = (el) => {\r\n  let top = el.offsetTop\r\n\r\n  if (el.offsetParent !== null) {\r\n    top += offsetTop(el.offsetParent)\r\n  }\r\n\r\n  return top\r\n}\r\n\r\nexport default offsetTop\r\n","/**\r\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\r\n * ========================================================================\r\n * Element.matches() 方法可以用来判断 DOM 元素是否与给定的选择器匹配，事件代理判断是\r\n * 否触发绑定的代理事件回调函数，关键就是使用 Element.matches() 辨别当前事件触发的目\r\n * 标 DOM 元素是否为事件代理所期望触发的目标。\r\n * ========================================================================\r\n * @method matches\r\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\r\n * @returns {Boolean}\r\n */\r\nconst matches = (el, selector = '') => {\r\n  const sel = selector.replace(/^>/i, '')\r\n\r\n  if (!selector || !sel || !el) {\r\n    return false\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (el.matches) {\r\n    return el.matches(sel)\r\n  } else if (el.msMatchesSelector) {\r\n    return el.msMatchesSelector(sel)\r\n  } else {\r\n    return false\r\n  }\r\n}\r\n\r\nexport default matches\r\n","/**\r\n * 获取 DOM 元素的父节点\r\n * ========================================================================\r\n * @method getParentOrHost\r\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\r\n * @returns {*|HTMLElement}\r\n */\r\nconst getParentOrHost = (el) => {\r\n  return el.host && el !== document && el.host.nodeType\r\n    ? el.host\r\n    : el.parentNode\r\n}\r\n\r\nexport default getParentOrHost\r\n","export const CAPTURE_EVENTS = [\r\n  'focusout',\r\n  'blur',\r\n  'focusin',\r\n  'focus',\r\n  'load',\r\n  'unload',\r\n  'mouseenter',\r\n  'mouseleave'\r\n]\r\n","import { CAPTURE_EVENTS } from './enum'\r\nimport _delete from './_delete'\r\n\r\n/**\r\n * （私有方法）取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method _off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} fn - （必须）事件处理器回调函数\r\n * @private\r\n */\r\nconst _off = (el, type, fn) => {\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  /* istanbul ignore else */\r\n  if (fn._delegateListener) {\r\n    fn = fn._delegateListener\r\n    delete fn._delegateListener\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  _delete(el, type, fn)\r\n\r\n  el.removeEventListener(type, fn, capture)\r\n}\r\n\r\nexport default _off\r\n","/**\r\n * 删除 DOM 元素缓存的 _listeners 数据\r\n * ========================================================================\r\n * @method _delete\r\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\r\n * @param {String} type - 事件类型（名称）\r\n * @param {Function} [fn] - 事件处理器回调函数\r\n */\r\nconst _delete = function (el, type, fn) {\r\n  const listeners = el._listeners\r\n  let index = -1\r\n\r\n  if (listeners.length < 1) {\r\n    return false\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  listeners.forEach((listener, i) => {\r\n    const handler = listener.fn\r\n\r\n    if (type === listener.type) {\r\n      index = i\r\n\r\n      if (handler === fn) {\r\n        index = i\r\n      }\r\n    }\r\n  })\r\n\r\n  /* istanbul ignore else */\r\n  if (index > -1) {\r\n    listeners.splice(index, 1)\r\n  }\r\n}\r\n\r\nexport default _delete\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport getListeners from './getListeners'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 销毁（type 类型的）代理事件绑定\r\n * ========================================================================\r\n * 1. 设置了事件类型 type，则销毁指定类型的事件绑定，否则清除所有代理事件绑定\r\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\r\n * ========================================================================\r\n * @method purgeElement\r\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\r\n * @param {String|Boolean} type - （必须）事件类型\r\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\r\n */\r\nconst purgeElement = function (el, type, recurse = false) {\r\n  const $element = isString(el) ? document.querySelector(el) : el\r\n  const $children = $element.childNodes\r\n  const listeners = getListeners($element, type)\r\n\r\n  listeners.forEach((listener) => {\r\n    _off($element, listener.type, listener.fn)\r\n  })\r\n\r\n  if (\r\n    (recurse || type === true || arguments.length === 1) &&\r\n    $element &&\r\n    $children\r\n  ) {\r\n    $children.forEach(($child) => {\r\n      if (isElement($child)) {\r\n        purgeElement($child, type, recurse)\r\n      }\r\n    })\r\n  }\r\n}\r\n\r\nexport default purgeElement\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 获取 DOM 元素（type 事件类型）事件绑定信息\r\n * ========================================================================\r\n * 如果设置了事件类型 type， 则返回指定类型的事件绑定信息，否则返回所有事件绑定信息\r\n * ========================================================================\r\n * @methods getListeners\r\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\r\n * @param {String} [type] - （可选）事件类型\r\n * @returns {Array} - 已绑定的事件信息\r\n */\r\nconst getListeners = (el, type) => {\r\n  let listeners = el._listeners || []\r\n\r\n  if (isString(type) && type) {\r\n    listeners = listeners.filter((listener) => {\r\n      return listener.type === type\r\n    })\r\n  }\r\n\r\n  return listeners\r\n}\r\n\r\nexport default getListeners\r\n","import purgeElement from './purgeElement'\r\nimport isFunction from '../types/isFunction'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method off\r\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} [fn] - （可选）事件处理器回调函数\r\n */\r\nconst off = (el, type, fn) => {\r\n  // 如果不设置 fn 参数，默认清除 el 元素上绑定的所有事件处理器\r\n  if (!isFunction(fn)) {\r\n    purgeElement(el, type)\r\n    return false\r\n  }\r\n\r\n  _off(el, type, fn)\r\n}\r\n\r\nexport default off\r\n","import closest from '../dom/closest'\r\nimport off from './off'\r\nimport getTarget from './getTarget'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定代理事件\r\n * ========================================================================\r\n * @method on\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （可选） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst on = (el, selector, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  const listener = function (evt) {\r\n    const target = getTarget(evt)\r\n    // 通过 Element.matches 方法获得点击的目标元素\r\n    const delegateTarget = closest(target, selector, el)\r\n    let overrideContext = context || el\r\n\r\n    evt.delegateTarget = delegateTarget\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (delegateTarget) {\r\n      // 仅触发一次\r\n      /* istanbul ignore else */\r\n      if (once === true) {\r\n        off(el, type, listener)\r\n      }\r\n\r\n      fn.call(overrideContext, evt, data)\r\n    }\r\n  }\r\n\r\n  if (!el) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    selector,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default on\r\n","import resolveTextNode from '../dom/resolveTextNode'\r\n\r\n/**\r\n * 返回触发事件的 target DOM 元素\r\n * ========================================================================\r\n * @method getTarget\r\n * @param {Event} evt - Event 对象\r\n * @return {HTMLElement} - Event 对象的 target DOM 元素\r\n */\r\nconst getTarget = function (evt) {\r\n  const target = evt.target\r\n\r\n  return resolveTextNode(target)\r\n}\r\n\r\nexport default getTarget\r\n","/**\r\n * 在某些情况下，某些浏览器（例如：Safari 浏览器）会返回实际的目标元素内部的文本节点。\r\n * resolveTextNode() 方法则会返回实际的目标节点。\r\n * ========================================================================\r\n * @method resolveTextNode\r\n * @param {HTMLElement|Text} el - 要解析的节点\r\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\r\n */\r\nconst resolveTextNode = function (el) {\r\n  if (el && el.nodeType === 3) {\r\n    return el.parentNode\r\n  }\r\n\r\n  return el\r\n}\r\n\r\nexport default resolveTextNode\r\n","import matches from './matches'\r\nimport getParentOrHost from './getParentOrHost'\r\n\r\n/**\r\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\r\n * ========================================================================\r\n * @method closest\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）DOM 元素的选择其\r\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\r\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\r\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\r\n */\r\nconst closest = (el, selector, ctx, includeCTX) => {\r\n  const context = ctx || document\r\n\r\n  if (!el) {\r\n    return null\r\n  }\r\n\r\n  do {\r\n    /* istanbul ignore else */\r\n    if (\r\n      (selector != null &&\r\n        (selector.startsWith('>')\r\n          ? el.parentNode === context && matches(el, selector)\r\n          : matches(el, selector))) ||\r\n      (includeCTX && el === context)\r\n    ) {\r\n      return el\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (el === context) {\r\n      break\r\n    }\r\n\r\n    /* jshint boss:true */\r\n  } while ((el = getParentOrHost(el)))\r\n}\r\n\r\nexport default closest\r\n","/**\r\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\r\n * ========================================================================\r\n * @method stop\r\n * @param {Event} evt - 事件对象\r\n *\r\n * @example\r\n * <div id=\"nav\" class=\"nav\">\r\n *   <a id=\"service\" class=\"anchor\" href=\"https://www.yaohaixiao.com/serivce\">Service</a>\r\n *   <a id=\"help\" class=\"anchor\" href=\"https://www.yaohaixiao.com/help\">Help</a>\r\n * </div>\r\n *\r\n * const $nav = document.querySelector('#nav')\r\n * const $service = document.querySelector('.anchor')\r\n *\r\n * on($nav, 'click', function(evt) {\r\n *   console.log('你点击了导航栏')\r\n * })\r\n *\r\n * on($anchor, 'click', function(evt) {\r\n *   console.log('tagName', this.tagName)\r\n *\r\n *   // 工作台输出：'a'\r\n *   // 不会触发事件冒泡，输出：'你点击了导航栏'\r\n *   // 也不会切换到 href 属性的页面，阻止了点击链接的默认行为\r\n *   stopEvent(evt)\r\n * })\r\n */\r\nconst stop = function (evt) {\r\n  evt.stopPropagation()\r\n  evt.preventDefault()\r\n}\r\n\r\nexport default stop\r\n","import DEFAULTS from './defaults'\r\n\r\nconst SYMBOLS = [...DEFAULTS]\r\n\r\nexport default SYMBOLS\r\n","const DEFAULTS = [\r\n  '<symbol id=\"outline-icon-up\" viewBox=\"0 0 1024 1024\"><path d=\"M494.784 261.696c0.832-0.448 1.536-1.216 2.368-1.536a38.72 38.72 0 0 1 46.08 8.256l277.824 302.272a41.92 41.92 0 0 1-1.536 58.048 39.104 39.104 0 0 1-56.448-1.6L513.728 355.904 260.736 626.048a39.104 39.104 0 0 1-56.448 1.088 41.6 41.6 0 0 1-1.088-57.984L483.84 269.696c0.512-0.512 1.344-0.768 1.92-1.408l1.088-1.344c2.368-2.496 5.312-3.648 8-5.248z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-down\" viewBox=\"0 0 1024 1024\"><path d=\"M494.784 762.304c0.832 0.448 1.536 1.216 2.368 1.536 15.232 7.488 33.92 4.992 46.08-8.256l277.824-302.272a41.92 41.92 0 0 0-1.536-58.048 39.104 39.104 0 0 0-56.448 1.6l-249.344 271.232-252.992-270.144a39.104 39.104 0 0 0-56.448-1.088 41.6 41.6 0 0 0-1.088 57.984l280.576 299.456c0.512 0.512 1.344 0.768 1.92 1.408l1.088 1.344c2.368 2.496 5.312 3.648 8 5.248z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-menu\" viewBox=\"0 0 1024 1024\"><path d=\"M320 256h640V128H320zM320 576h640V448H320zM320 896h640v-128H320zM64 256h128V128H64zM64 576h128V448H64zM64 896h128v-128H64z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-file\" viewBox=\"0 0 1024 1024\"><path d=\"M320 640h256v128H320z\"></path><path d=\"M320 448h384v128H320z\"></path><path d=\"M640 0l320 320v557.696C960 958.528 909.824 1024 848 1024H176C114.176 1024 64 958.528 64 877.696V146.304C64 65.472 114.176 0 176 0H640z m0 128H192v768h640V320h-192V128z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-hash\" viewBox=\"0 0 24 24\"><path d=\"M14.216 10l-0.444 4h-3.988l0.444-4zM15.006 2.89l-0.568 5.11h-3.988l0.543-4.89c0.061-0.549-0.335-1.043-0.883-1.104s-1.043 0.335-1.104 0.884l-0.568 5.11h-4.438c-0.552 0-1 0.448-1 1s0.448 1 1 1h4.216l-0.444 4h-3.772c-0.552 0-1 0.448-1 1s0.448 1 1 1h3.549l-0.543 4.89c-0.061 0.549 0.335 1.043 0.883 1.104s1.043-0.335 1.104-0.883l0.569-5.111h3.988l-0.543 4.89c-0.061 0.549 0.335 1.043 0.883 1.104s1.043-0.335 1.104-0.883l0.568-5.111h4.438c0.552 0 1-0.448 1-1s-0.448-1-1-1h-4.216l0.444-4h3.772c0.552 0 1-0.448 1-1s-0.448-1-1-1h-3.549l0.543-4.89c0.061-0.549-0.335-1.043-0.883-1.104s-1.043 0.335-1.104 0.883z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-close\" viewBox=\"0 0 1024 1024\"><path d=\"M536.96 491.648L310.592 265.344a32 32 0 1 0-45.248 45.248L491.584 536.96l-226.304 226.304a32 32 0 0 0 45.312 45.248l226.24-226.304 226.304 226.304a32 32 0 0 0 45.248-45.248L582.144 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m0-213.333333C228.949333 0 0 228.949333 0 512s228.949333 512 512 512 512-228.949333 512-512S794.325333 0 512 0z m0 938.666667C276.608 938.666667 85.333333 747.392 85.333333 512S276.608 85.333333 512 85.333333s426.666667 191.274667 426.666667 426.666667-191.274667 426.666667-426.666667 426.666667z m0-213.333334c-23.466667 0-42.666667 19.2-42.666667 42.666667s19.2 42.666667 42.666667 42.666667 42.666667-19.2 42.666667-42.666667-19.2-42.666667-42.666667-42.666667z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-circle-error\" viewBox=\"0 0 1024 1024\"><path d=\"M512 0a512 512 0 1 0 512 512 512 512 0 0 0-512-512z m0 955.776A443.84 443.84 0 0 1 512 68.224a443.904 443.904 0 0 1 0 887.552z\"></path><path d=\"M641.664 326.144a32 32 0 0 1 50.304 39.168l-3.52 4.48-306.112 328.064a32 32 0 0 1-50.304-39.168l3.52-4.48 306.112-328.064z\"></path><path d=\"M324.608 337.088a32 32 0 0 1 40.704-5.12l4.48 3.584 328.064 306.112a32 32 0 0 1-39.168 50.304l-4.48-3.52-328.064-306.112a32 32 0 0 1-1.536-45.248z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-circle-success\" viewBox=\"0 0 1024 1024\"><path d=\"M512 0C228.949333 0 0 228.949333 0 512s228.949333 512 512 512 512-228.949333 512-512S794.325333 0 512 0z m0 950.869333C269.909333 950.869333 73.130667 754.090667 73.130667 512 73.130667 269.909333 269.909333 73.130667 512 73.130667c242.090667 0 438.869333 196.778667 438.869333 438.869333 0 242.090667-196.778667 438.869333-438.869333 438.869333z\"></path><path d=\"M737.834667 353.834667a42.666667 42.666667 0 0 1 63.872 56.32l-3.541334 4.010666L486.997333 725.333333a85.333333 85.333333 0 0 1-115.242666 4.992L366.336 725.333333l-140.501333-140.501333a42.666667 42.666667 0 0 1 56.32-63.872l4.010666 3.541333L426.666667 665.002667l311.168-311.168z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-sound\" viewBox=\"0 0 16 16\"><path d=\"M12.757 4.708c-0.406 0.405-1.062 0.405-1.468 0s-0.405-1.062 0-1.468l2.935-2.935c0.406-0.405 1.062-0.405 1.468 0 0.405 0.405 0.405 1.062 0 1.468l-2.935 2.935zM7.996 15.991l-3.996-3.996h-2.997c-0.552 0-0.999-0.447-0.999-0.999v-5.994c0-0.552 0.447-0.999 0.999-0.999h2.997l3.996-3.996c0 0 0.999-0.125 0.999 0.999 0 5.976 0 14.966 0 13.985 0 1.124-0.999 0.999-0.999 0.999zM6.997 4.004l-1.998 1.998h-2.997v3.996h2.997l1.998 1.998v-7.992zM11.992 8.999c-0.552 0-0.999-0.447-0.999-0.999s0.447-0.999 0.999-0.999h2.997c0.552 0 0.999 0.447 0.999 0.999s-0.447 0.999-0.999 0.999h-2.997zM12.757 11.292l2.935 2.935c0.405 0.406 0.405 1.063 0 1.468s-1.062 0.405-1.468 0l-2.935-2.935c-0.405-0.406-0.405-1.063 0-1.468s1.062-0.405 1.468 0z\"></path></symbol>'\r\n]\r\n\r\nexport default DEFAULTS\r\n","import isString from '../types/isString'\r\nimport getSymbol from './getSymbol'\r\nimport SYMBOLS from './symbols'\r\n\r\n/**\r\n *\r\n * @method getSymbols\r\n * @param {String} [name]\r\n * @param {String} [iconSet]\r\n * @returns {string[]|*}\r\n */\r\nconst getSymbols = (name, iconSet = 'icon') => {\r\n  if (isString(name)) {\r\n    return getSymbol(name, iconSet)\r\n  }\r\n\r\n  return [...SYMBOLS]\r\n}\r\n\r\nexport default getSymbols\r\n","import SYMBOLS from './symbols'\r\n\r\n/**\r\n * @method getSymbol\r\n * @param {String} name\r\n * @param {String} [iconSet]\r\n * @returns {String}\r\n */\r\nconst getSymbol = (name, iconSet = 'icon') => {\r\n  const patternName = /id=\"(.*?)\"/\r\n  const patternSet = /^(\\w+)-/\r\n  const symbols = SYMBOLS\r\n\r\n  return symbols.find((symbol) => {\r\n    const names = patternName.exec(symbol)\r\n    const fullName = names[1]\r\n    const sets = patternSet.exec(fullName)\r\n    const setName = sets[1]\r\n    const iconName =\r\n      iconSet === 'icon' ? `${iconSet}-${name}` : `${iconSet}-icon-${name}`\r\n\r\n    return setName === iconSet && fullName === iconName\r\n  })\r\n}\r\n\r\nexport default getSymbol\r\n","import add from './add'\r\nimport getSymbols from './getSymbols'\r\n\r\n/**\r\n * 绘制 SVG 图标集\r\n * ========================================================================\r\n * @method paint\r\n * @param {String|Array} symbol\r\n */\r\nconst paint = (symbol = '') => {\r\n  const $body = document.body\r\n  let $icons = document.querySelector('#outline-icons')\r\n  let symbols = []\r\n\r\n  add(symbol)\r\n  symbols = getSymbols()\r\n\r\n  if ($icons) {\r\n    $icons.innerHTML = symbols.join('')\r\n  } else {\r\n    $icons = document.createElement('div')\r\n    $icons.innerHTML =\r\n      `<svg id=\"outline-icons\" aria-hidden=\"true\" style=\"position:absolute;display:none;width:0;height:0;overflow:hidden;\">` +\r\n      `${symbols.join('')}` +\r\n      `</svg>`\r\n    $body.insertBefore($icons.firstChild, $body.firstChild)\r\n  }\r\n}\r\n\r\nexport default paint\r\n","import isArray from '../types/isArray'\r\nimport isString from '../types/isString'\r\nimport SYMBOLS from './symbols'\r\n\r\n/**\r\n * @method add\r\n * @param {Array|String} symbols\r\n * @return {Boolean}\r\n */\r\nconst add = (symbols) => {\r\n  if (!symbols) {\r\n    return false\r\n  }\r\n\r\n  if (isArray(symbols) && symbols.length > 0) {\r\n    symbols.forEach((symbol) => {\r\n      /* istanbul ignore else */\r\n      if (SYMBOLS.indexOf(symbol) === -1 && isString(symbol)) {\r\n        SYMBOLS.push(symbol)\r\n      }\r\n    })\r\n  } else {\r\n    /* istanbul ignore else */\r\n    if (isString(symbols)) {\r\n      SYMBOLS.push(symbols)\r\n    }\r\n  }\r\n}\r\n\r\nexport default add\r\n","import isObject from './isObject'\r\nimport isElement from './isElement'\r\nimport isHTMLCollection from './isHTMLCollection'\r\nimport isFragment from './isFragment'\r\nimport isTextNode from './isTextNode'\r\n\r\nconst isDOM = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (isElement(el) || isHTMLCollection(el) || isFragment(el) || isTextNode(el))\r\n  )\r\n}\r\n\r\nexport default isDOM\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isHTMLCollection = (el) => {\r\n  return !!(isObject(el) && toString(el) === '[object NodeList]')\r\n}\r\n\r\nexport default isHTMLCollection\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isFragment = (fragment) => {\r\n  return !!(\r\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\r\n  )\r\n}\r\n\r\nexport default isFragment\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isTextNode = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (toString(el) === '[object Text]' || (el.tagName && el.nodeType === 3))\r\n  )\r\n}\r\n\r\nexport default isTextNode\r\n","/**\r\n * 给 DOM 节点设置属性/值\r\n * ========================================================================\r\n * @method setAttribute\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} attr - 属性名称\r\n * @param {String|Number|Boolean} value - 属性值\r\n */\r\nconst setAttribute = (el, attr, value) => {\r\n  let tagName = el.tagName.toLowerCase()\r\n\r\n  switch (attr) {\r\n    case 'style':\r\n      el.style.cssText = value\r\n      break\r\n    case 'value':\r\n      if (tagName === 'input' || tagName === 'textarea') {\r\n        el.value = value\r\n      } else {\r\n        el.setAttribute(attr, value)\r\n      }\r\n      break\r\n    case 'htmlFor':\r\n      el.setAttribute('for', value)\r\n      break\r\n    case 'className':\r\n      el.className = value\r\n      break\r\n    case 'innerHTML':\r\n      el.innerHTML = value\r\n      break\r\n    case 'innerText':\r\n      el.innerText = value\r\n      break\r\n    default:\r\n      el.setAttribute(attr, value)\r\n      break\r\n  }\r\n}\r\n\r\nexport default setAttribute\r\n","import isObject from '../types/isObject'\r\nimport hasOwn from '../lang/hasOwn'\r\nimport setAttribute from './setAttribute'\r\n\r\nconst setAttributes = (el, attrs) => {\r\n  if (!el || !isObject(attrs)) {\r\n    return false\r\n  }\r\n\r\n  Object.keys(attrs).forEach((attr) => {\r\n    const value = attrs[attr]\r\n    if (hasOwn(attrs, attr)) {\r\n      setAttribute(el, attr, value)\r\n    }\r\n  })\r\n}\r\n\r\nexport default setAttributes\r\n","import isObject from '../types/isObject'\r\nimport isString from '../types/isString'\r\nimport isArray from '../types/isArray'\r\nimport isDOM from '../types/isDOM'\r\nimport setAttributes from './setAttributes'\r\n\r\n/**\r\n * 创建 DOM 节点，并添加属性和子节点\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} tagName - 标签名称\r\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\r\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (tagName, attrs, children) => {\r\n  const $fragment = document.createDocumentFragment()\r\n  const $el = document.createElement(tagName)\r\n  const isValidChild = (child) => {\r\n    return isDOM(child) || isString(child)\r\n  }\r\n  const append = (child) => {\r\n    let $child\r\n\r\n    if (!isValidChild(child)) {\r\n      return false\r\n    }\r\n\r\n    if (isDOM(child)) {\r\n      $child = child\r\n    } else if (isString(child)) {\r\n      $child = document.createTextNode(child)\r\n    }\r\n\r\n    $fragment.appendChild($child)\r\n  }\r\n\r\n  if (isObject(attrs)) {\r\n    setAttributes($el, attrs)\r\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\r\n    attrs.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else if (isDOM(attrs)) {\r\n    append(attrs)\r\n  } else if (isString(attrs)) {\r\n    append(document.createTextNode(attrs))\r\n  }\r\n\r\n  if (isArray(children)) {\r\n    children.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else {\r\n    append(children)\r\n  }\r\n\r\n  $el.appendChild($fragment)\r\n\r\n  return $el\r\n}\r\n\r\nexport default createElement\r\n","import isArray from '../types/isArray'\r\nimport isString from '../types/isString'\r\nimport isSVG from '../types/isSVG'\r\nimport setAttributes from '../dom/setAttributes'\r\n\r\n/**\r\n * 创建 SVG 图标 DOM 元素\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} name\r\n * @param {Object} [options]\r\n * @param {Number|Array} [options.size]\r\n * @param {String} [options.color]\r\n * @param {String} [options.iconSet]\r\n * @param {Object} [options.attrs]\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (name, options = {}) => {\r\n  const ICON = 'outline-icon'\r\n  const size = options.size || 0\r\n  const color = options.color || ''\r\n  const iconSet = options.iconSet || ''\r\n  const width = isArray(size) ? size[0] : size\r\n  const height = isArray(size) ? size[1] : size\r\n  const defaultRules = size ? `width:${width}px;height:${height}px;` : ''\r\n  const cssRules = color ? defaultRules + `color:${color}` : defaultRules\r\n  const attrs = options.attrs || {}\r\n  const $icon = document.createElement('i')\r\n  let binds = ''\r\n  let svg = ''\r\n  let $svg\r\n\r\n  if (!isString(name)) {\r\n    return null\r\n  }\r\n\r\n  if (isSVG(name)) {\r\n    svg = name\r\n  } else {\r\n    binds =\r\n      iconSet && iconSet !== 'icon'\r\n        ? `xlink:href=\"#${iconSet}-icon-${name}\"`\r\n        : `xlink:href=\"#icon-${name}\"`\r\n    svg = `<svg><use ${binds}></use></svg>`\r\n  }\r\n\r\n  $icon.innerHTML = svg\r\n\r\n  if (attrs.className) {\r\n    attrs.className = `${ICON} ${attrs.className}`\r\n  } else {\r\n    attrs.className = ICON\r\n  }\r\n\r\n  setAttributes($icon, attrs)\r\n\r\n  $svg = $icon.querySelector('svg')\r\n  setAttributes($svg, {\r\n    'aria-hidden': true,\r\n    xmlns: 'http://www.w3.org/2000/svg',\r\n    class: 'outline-icon__svg',\r\n    width: 200,\r\n    height: 200,\r\n    style: cssRules\r\n  })\r\n\r\n  return $icon\r\n}\r\n\r\nexport default createElement\r\n","import isString from './isString'\r\n\r\nconst isSVG = (str) => {\r\n  const declaration = '(?:<\\\\?xml[^>]*>\\\\s*)?'\r\n  const doctype =\r\n    '(?:<\\\\!doctype svg[^>]*\\\\s*(?:\\\\[?(?:\\\\s*<![^>]*>\\\\s*)*\\\\]?)*[^>]*>\\\\s*)?'\r\n  const content = '<svg[^>]*>[^]*<\\\\/svg>\\\\s*$'\r\n  const svg = `^\\\\s*${declaration}${doctype}${content}\\\\s*$`\r\n  const pattern = new RegExp(svg, 'i')\r\n\r\n  return isString(str) && pattern.test(str)\r\n}\r\n\r\nexport default isSVG\r\n","import createElement from './createElement'\r\n\r\n/**\r\n * 创建 SVG 图标 DOM 元素\r\n * ========================================================================\r\n * @method icon\r\n * @alias createElement\r\n * @see createElement\r\n * @param {String} name\r\n * @param {Object} [options]\r\n * @param {Number|Array} [options.size]\r\n * @param {String} [options.color]\r\n * @param {String} [options.iconSet]\r\n * @returns {HTMLElement}\r\n */\r\nconst icon = (name, options = {}) => {\r\n  return createElement(name, options)\r\n}\r\n\r\nexport default icon\r\n","import trim from '../lang/trim'\r\nimport hasClass from './hasClass'\r\n\r\n/**\r\n * 移除 DOM 节点的 className 样式\r\n * ========================================================================\r\n * @method removeClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst removeClass = (el, className) => {\r\n  let allClass = el.className\r\n  let classList\r\n\r\n  if (!allClass || !hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.remove) {\r\n    classList.remove(className)\r\n  } else {\r\n    allClass = trim(allClass.replace(className, ''))\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default removeClass\r\n","import removeClass from './utils/dom/removeClass'\r\nimport isEmpty from './utils/types/isEmpty'\r\nimport trim from './utils/lang/trim'\r\n\r\nconst _removeHeading = ($heading, hasAnchor = true, isAtStart = true) => {\r\n  const CLS_HEADING = 'outline-heading'\r\n  const text = $heading.innerHTML\r\n  const pattern = /^\\d+(\\.?\\d+)*\\s?/gi\r\n  let $anchor\r\n\r\n  $heading.innerHTML = text.replace(pattern, '')\r\n  $heading.removeAttribute('id')\r\n  $heading.removeAttribute('data-id')\r\n\r\n  removeClass($heading, CLS_HEADING)\r\n\r\n  if (!hasAnchor) {\r\n    return false\r\n  }\r\n\r\n  $anchor = $heading.querySelector(`.${CLS_HEADING}__anchor`)\r\n\r\n  if (isAtStart) {\r\n    removeClass($heading, `${CLS_HEADING}_start`)\r\n  }\r\n\r\n  if (isEmpty(trim($heading.className))) {\r\n    $heading.removeAttribute('class')\r\n  }\r\n\r\n  // 存在锚点才移除\r\n  if ($anchor) {\r\n    $heading.removeChild($anchor)\r\n  }\r\n}\r\n\r\nexport default _removeHeading\r\n","import isString from './isString'\r\n/**\r\n * 检测数据是否为空字符串\r\n * ========================================================================\r\n * @method isEmpty\r\n * @param {String} str\r\n * @returns {boolean}\r\n */\r\nconst isEmpty = (str) => {\r\n  return isString(str) && str === ''\r\n}\r\n\r\nexport default isEmpty\r\n","import isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport timeSlice from './utils/lang/timeSlice'\r\nimport later from './utils/lang/later'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport paint from './utils/icons/paint'\r\n\r\nimport _updateHeading from './_updateHeading'\r\nimport _removeHeading from './_removeHeading'\r\nimport getChapters from './getChapters'\r\n\r\nimport Base from './base'\r\n\r\nclass Anchors extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Anchors.DEFAULTS)\r\n\r\n    this.$articleElement = null\r\n    this.$scrollElement = null\r\n    this.$headings = []\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let scrollElement\r\n    let $articleElement\r\n    let articleElement\r\n\r\n    this.attr(options)\r\n\r\n    articleElement = this.attr('articleElement')\r\n    scrollElement = this.attr('scrollElement')\r\n    created = this.attr('created')\r\n\r\n    if (isString(articleElement)) {\r\n      $articleElement = document.querySelector(articleElement)\r\n    } else if (isElement(articleElement)) {\r\n      $articleElement = articleElement\r\n    }\r\n\r\n    if (!$articleElement) {\r\n      return this\r\n    }\r\n\r\n    this.$articleElement = $articleElement\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n    this.$headings = this.getHeadings()\r\n\r\n    if (this.$headings.length < 1) {\r\n      return this\r\n    }\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  getHeadings() {\r\n    const $articleElement = this.$articleElement\r\n    const selector = this.attr('selector')\r\n\r\n    return [...$articleElement.querySelectorAll(selector)]\r\n  }\r\n\r\n  count() {\r\n    return this.getHeadings().length\r\n  }\r\n\r\n  render() {\r\n    const articleElement = this.attr('articleElement')\r\n    const selector = this.attr('selector')\r\n    const showCode = this.attr('showCode') || true\r\n    const chapterTextFilter = this.attr('chapterTextFilter')\r\n    const mounted = this.attr('mounted')\r\n    const chapters = getChapters({\r\n      articleElement,\r\n      selector,\r\n      showCode,\r\n      chapterTextFilter\r\n    })\r\n\r\n    paint()\r\n\r\n    this._paint(chapters)\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this._remove()\r\n\r\n    return this\r\n  }\r\n\r\n  _paint(chapters) {\r\n    const LIMIT = 400\r\n    const hasAnchor = this.attr('hasAnchor')\r\n    const isAtStart = this.attr('isAtStart')\r\n    const showCode = this.attr('showCode')\r\n    const anchorURL = this.attr('anchorURL')\r\n    const count = this.count()\r\n    const $headings = [...this.$headings]\r\n    const update = (headings, group) => {\r\n      headings.forEach(($heading, i) => {\r\n        const id = i + group * LIMIT\r\n        const chapterCode = chapters[id].code\r\n        _updateHeading($heading, id, {\r\n          hasAnchor,\r\n          isAtStart,\r\n          showCode,\r\n          chapterCode,\r\n          anchorURL\r\n        })\r\n      })\r\n    }\r\n    let groupIndex = -1\r\n\r\n    // 针对超长的文章，进行 timeSlice 处理\r\n    if (count > LIMIT) {\r\n      groupIndex += 1\r\n      // 同步绘制 Limit 以内的标题链接（可以确保 50ms 完成绘制）\r\n      update($headings.splice(0, LIMIT), 0)\r\n      // 采用 timeSlice 处理机制绘制剩余的标题\r\n      while ($headings.length > 0) {\r\n        const once = $headings.splice(0, LIMIT)\r\n        timeSlice(\r\n          () => {\r\n            update(once, (groupIndex += 1))\r\n          },\r\n          () => {\r\n            this.$emit('anchors:all:paint')\r\n          }\r\n        )\r\n      }\r\n    } else {\r\n      update($headings, 0)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    const hasAnchor = this.attr('hasAnchor')\r\n    const isAtStart = this.attr('isAtStart')\r\n    const $headings = this.$headings\r\n\r\n    $headings.forEach(($heading) => {\r\n      _removeHeading($heading, hasAnchor, isAtStart)\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  refresh(chapters) {\r\n    const articleElement = this.attr('articleElement')\r\n    const selector = this.attr('selector')\r\n    const showCode = this.attr('showCode') || true\r\n    const chapterTextFilter = this.attr('chapterTextFilter')\r\n\r\n    this.$headings = this.getHeadings()\r\n\r\n    this.erase()._paint(\r\n      chapters ||\r\n        getChapters({\r\n          articleElement,\r\n          selector,\r\n          showCode,\r\n          chapterTextFilter\r\n        })\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onAnchorTrigger(evt) {\r\n    const anchorURL = this.attr('anchorURL')\r\n    const afterScroll = this.attr('afterScroll')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const $heading = $anchor.parentNode\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const $scrollElement = this.$scrollElement\r\n    const min = 0\r\n    const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this, 'anchor')\r\n      }\r\n\r\n      later(() => {\r\n        this.$emit('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.scrollTo(top, after)\r\n\r\n    if (!anchorURL) {\r\n      stop(evt)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $articleElement = this.$articleElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    on(\r\n      $articleElement,\r\n      '.outline-heading__anchor',\r\n      'click',\r\n      this.onAnchorTrigger,\r\n      this,\r\n      true\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $articleElement = this.$articleElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    off($articleElement, 'click', this.onAnchorTrigger)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nAnchors.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    scrollElement: 'html,body',\r\n    articleElement: '#article',\r\n    selector: 'h1,h2,h3,h4,h5,h6',\r\n    stickyHeight: 0,\r\n    anchorURL: '',\r\n    hasAnchor: true,\r\n    isAtStart: true,\r\n    showCode: false,\r\n    created: null,\r\n    mounted: null,\r\n    afterScroll: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null,\r\n    chapterTextFilter: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Anchors\r\n","import trim from './utils/lang/trim'\r\nimport createElement from './utils/dom/createElement'\r\nimport setAttributes from './utils/dom/setAttributes'\r\n\r\nimport icon from './utils/icons/icon'\r\n\r\nconst _updateHeading = ($heading, i, options) => {\r\n  const CLS_HEADING = 'outline-heading'\r\n  const hasAnchor = options.hasAnchor || true\r\n  const isAtStart = options.isAtStart || true\r\n  const showCode = options.showCode || false\r\n  const chapterCode = options.chapterCode || ''\r\n  const anchorURL = options.anchorURL || ''\r\n  const headingId = `heading-${i}`\r\n  const attrs = {\r\n    id: headingId,\r\n    className: isAtStart ? `${CLS_HEADING} ${CLS_HEADING}_start` : CLS_HEADING,\r\n    'data-id': i\r\n  }\r\n  const text = trim($heading.innerHTML)\r\n  let $anchor\r\n  let $icon\r\n\r\n  if (showCode) {\r\n    attrs.innerHTML = chapterCode + ' ' + text\r\n    attrs['data-code'] = chapterCode\r\n  }\r\n  setAttributes($heading, attrs)\r\n\r\n  if (!hasAnchor) {\r\n    return false\r\n  }\r\n\r\n  $icon = icon('hash', { iconSet: 'outline' })\r\n  $anchor = createElement(\r\n    'a',\r\n    {\r\n      id: `anchor-${i}`,\r\n      className: `${CLS_HEADING}__anchor anchor-${i}`,\r\n      href: anchorURL || `#${headingId}`,\r\n      target: anchorURL ? '_blank' : 'self',\r\n      'data-id': i\r\n    },\r\n    $icon\r\n  )\r\n  $heading.appendChild($anchor)\r\n}\r\n\r\nexport default _updateHeading\r\n","// HTML 合法的标签\r\nconst TAGS = [\r\n  'a',\r\n  'abbr',\r\n  'address',\r\n  'area',\r\n  'article',\r\n  'aside',\r\n  'audio',\r\n  'b',\r\n  'base',\r\n  'bdi',\r\n  'bdo',\r\n  'blockquote',\r\n  'body',\r\n  'br',\r\n  'button',\r\n  'canvas',\r\n  'caption',\r\n  'cite',\r\n  'code',\r\n  'col',\r\n  'colgroup',\r\n  'data',\r\n  'datalist',\r\n  'dd',\r\n  'del',\r\n  'details',\r\n  'dfn',\r\n  'dialog',\r\n  'div',\r\n  'dl',\r\n  'dt',\r\n  'em',\r\n  'embed',\r\n  'fieldset',\r\n  'figcaption',\r\n  'figure',\r\n  'footer',\r\n  'form',\r\n  'h1',\r\n  'h2',\r\n  'h3',\r\n  'h4',\r\n  'h5',\r\n  'h6',\r\n  'head',\r\n  'header',\r\n  'hgroup',\r\n  'hr',\r\n  'html',\r\n  'i',\r\n  'iframe',\r\n  'img',\r\n  'input',\r\n  'ins',\r\n  'kbd',\r\n  'label',\r\n  'legend',\r\n  'li',\r\n  'link',\r\n  'main',\r\n  'map',\r\n  'mark',\r\n  'math',\r\n  'menu',\r\n  'menuitem',\r\n  'meta',\r\n  'meter',\r\n  'nav',\r\n  'noscript',\r\n  'object',\r\n  'ol',\r\n  'optgroup',\r\n  'option',\r\n  'output',\r\n  'p',\r\n  'param',\r\n  'picture',\r\n  'pre',\r\n  'progress',\r\n  'q',\r\n  'rb',\r\n  'rp',\r\n  'rt',\r\n  'rtc',\r\n  'ruby',\r\n  's',\r\n  'samp',\r\n  'script',\r\n  'search',\r\n  'section',\r\n  'select',\r\n  'slot',\r\n  'small',\r\n  'source',\r\n  'span',\r\n  'strong',\r\n  'style',\r\n  'sub',\r\n  'summary',\r\n  'sup',\r\n  'svg',\r\n  'table',\r\n  'tbody',\r\n  'td',\r\n  'template',\r\n  'textarea',\r\n  'tfoot',\r\n  'th',\r\n  'thead',\r\n  'time',\r\n  'title',\r\n  'tr',\r\n  'track',\r\n  'u',\r\n  'ul',\r\n  'var',\r\n  'video',\r\n  'wbr'\r\n]\r\n\r\nexport default TAGS\r\n","import isString from './isString'\r\nimport trim from '../lang/trim'\r\nimport TAGS from './tags'\r\n\r\n/**\r\n * 检测测试数据是否为合法的 HTML 代码\r\n * ========================================================================\r\n * @method isHTML\r\n * @category Lang\r\n * @see https://github.com/sindresorhus/html-tags\r\n * @see https://github.com/sindresorhus/is-html\r\n * @param {String} str - 要检测的数据\r\n * @returns {Boolean} 'val' 为合法的 HTML 代码，返回 true，否则返回 false\r\n */\r\nconst isHTML = (str) => {\r\n  let html\r\n  let basic\r\n  let full\r\n\r\n  if (!isString(str)) {\r\n    return false\r\n  }\r\n\r\n  // 为了提高性能，我们将其限制在合理的长度内。\r\n  html = trim(str).slice(0, 1000)\r\n  basic = /\\s*<!doctype html>|<html\\b[^>]*>|<body\\b[^>]*>|<x-[^>]+>/i\r\n  full = new RegExp(TAGS.map((tag) => `<${tag}\\\\b[^>]*>`).join('|'), 'i')\r\n\r\n  return basic.test(html) || full.test(html)\r\n}\r\n\r\nexport default isHTML\r\n","/**\r\n * 移除字符串中的 JavaScript 代码\r\n * ====================================================\r\n * @param {String} str\r\n * @returns {String}\r\n */\r\nconst stripScripts = (str) => {\r\n  return str.replace(/<script[^>]*>.*?<\\/script>/gi, '')\r\n}\r\n\r\nexport default stripScripts\r\n","const setProperty = (prop, value) => {\r\n  const documentElement = document.documentElement\r\n  documentElement.style.setProperty(prop, value)\r\n}\r\n\r\nexport default setProperty\r\n","import setProperty from './utils/dom/setProperty'\r\n\r\nlet index = 2000\r\n\r\nconst zIndex = (idx) => {\r\n  if (idx) {\r\n    index = idx\r\n  } else {\r\n    index += 1\r\n  }\r\n\r\n  setProperty('--outline-zIndex', `${index}`)\r\n\r\n  return index\r\n}\r\n\r\nexport default zIndex\r\n","import Base from './base'\r\n\r\nimport later from './utils/lang/later'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isDOM from './utils/types/isDOM'\r\nimport isHTML from './utils/types/isHTML'\r\nimport addClass from './utils/dom/addClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport html from './utils/dom/html'\r\nimport createElement from './utils/dom/createElement'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\n\r\nimport paint from './utils/icons/paint'\r\nimport icon from './utils/icons/icon'\r\nimport zIndex from './zIndex'\r\n\r\nclass Drawer extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    this.zIndex = 0\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Drawer.DEFAULTS)\r\n    this.title = ''\r\n    this.closed = false\r\n\r\n    this.$el = null\r\n    this.$modal = null\r\n    this.$header = null\r\n    this.$title = null\r\n    this.$close = null\r\n    this.$main = null\r\n    this.$footer = null\r\n    this.$overlay = null\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n\r\n    this.attr(options)\r\n\r\n    this.title = this.attr('title')\r\n    created = this.attr('created')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n    return this\r\n  }\r\n\r\n  setTitle(title) {\r\n    this.attr('title', title)\r\n    this.title = title\r\n    this.$title.innerHTML = title\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const size = this.attr('size')\r\n    const placement = this.attr('placement')\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const hasOffset = this.attr('hasOffset')\r\n    const hasPadding = this.attr('hasPadding')\r\n    const autoHeight = this.attr('autoHeight')\r\n    const customClass = this.attr('customClass')\r\n    let $el\r\n    let $modal\r\n    let $header\r\n    let $title\r\n    let $close\r\n    let $main\r\n    let $footer\r\n    let $overlay\r\n\r\n    paint()\r\n    this.zIndex = zIndex()\r\n\r\n    $title = createElement(\r\n      'h2',\r\n      {\r\n        className: 'outline-drawer__title'\r\n      },\r\n      this.title\r\n    )\r\n    this.$title = $title\r\n\r\n    if (hasClose) {\r\n      $close = createElement(\r\n        'div',\r\n        {\r\n          className: 'outline-drawer__close'\r\n        },\r\n        icon('close', { iconSet: 'outline', size: 20 })\r\n      )\r\n      this.$close = $close\r\n    }\r\n\r\n    $header = createElement(\r\n      'header',\r\n      {\r\n        className: 'outline-drawer__header'\r\n      },\r\n      [$title, $close]\r\n    )\r\n    this.$header = $header\r\n\r\n    $main = createElement('div', {\r\n      className: 'outline-drawer__main'\r\n    })\r\n    this.$main = $main\r\n\r\n    if (!hasPadding) {\r\n      addClass($main, 'outline-drawer_full')\r\n    }\r\n\r\n    $footer = createElement('footer', {\r\n      className: 'outline-drawer__footer'\r\n    })\r\n    this.$footer = $footer\r\n\r\n    $modal = createElement(\r\n      'div',\r\n      {\r\n        className: `outline-drawer__modal outline-drawer_${placement} outline-drawer_${size} outline-drawer_closed`\r\n      },\r\n      [$header, $main, $footer]\r\n    )\r\n    this.$modal = $modal\r\n\r\n    if (hasOffset) {\r\n      addClass($modal, 'outline-drawer_offset')\r\n    }\r\n\r\n    if (autoHeight) {\r\n      addClass($modal, 'outline-drawer_auto')\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($modal, customClass)\r\n    }\r\n\r\n    if (hasOverlay) {\r\n      $overlay = createElement('div', {\r\n        className: 'outline-drawer__overlay'\r\n      })\r\n      this.$overlay = $overlay\r\n    }\r\n\r\n    $el = createElement(\r\n      'div',\r\n      {\r\n        className: `outline-drawer`\r\n      },\r\n      [$modal, $overlay]\r\n    )\r\n    this.$el = $el\r\n    document.body.appendChild($el)\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$main.innerHTML = ''\r\n    return this\r\n  }\r\n\r\n  _paint(content) {\r\n    let $content = null\r\n\r\n    if (isFunction(content)) {\r\n      $content = content()\r\n    } else if (isDOM(content)) {\r\n      $content = content\r\n    } else if (isHTML(content)) {\r\n      $content = html(content)\r\n    }\r\n\r\n    if ($content) {\r\n      this.$main.appendChild($content)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    document.body.removeChild(this.$el)\r\n    return this\r\n  }\r\n\r\n  refresh(content) {\r\n    this.erase()._paint(content)\r\n    return this\r\n  }\r\n\r\n  open() {\r\n    const opened = this.attr('afterOpened')\r\n    const $modal = this.$modal\r\n\r\n    addClass(this.$el, 'outline-drawer_opened')\r\n    removeClass($modal, 'outline-drawer_closed')\r\n    addClass($modal, 'outline-drawer_opened')\r\n\r\n    later(() => {\r\n      this.closed = false\r\n\r\n      if (isFunction(opened)) {\r\n        opened.call(this)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  close() {\r\n    const closed = this.attr('afterClosed')\r\n    const $modal = this.$modal\r\n\r\n    removeClass($modal, 'outline-drawer_opened')\r\n    addClass($modal, 'outline-drawer_closed')\r\n\r\n    later(() => {\r\n      removeClass(this.$el, 'outline-drawer_opened')\r\n      this.closed = true\r\n\r\n      if (isFunction(closed)) {\r\n        closed.call(this)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const closed = this.isClosed()\r\n\r\n    if (closed) {\r\n      this.open()\r\n    } else {\r\n      this.close()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        afterToggle.call(this, closed)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const afterDestroy = this.attr('afterDestroy')\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    let index = this.zIndex\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    index -= 1\r\n    zIndex(index)\r\n    this.zIndex = 0\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onClose() {\r\n    this.close()\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const closeOnClickModal = this.attr('closeOnClickModal')\r\n    const $el = this.$el\r\n\r\n    if (hasClose) {\r\n      on($el, '.outline-drawer__close', 'click', this.onClose, this, true)\r\n    }\r\n\r\n    if (hasOverlay && closeOnClickModal) {\r\n      on($el, '.outline-drawer__overlay', 'click', this.onClose, this, true)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const $el = this.$el\r\n\r\n    if (!hasClose && !hasOverlay) {\r\n      return this\r\n    }\r\n\r\n    off($el, 'click', this.onClose)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nDrawer.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    placement: 'rtl',\r\n    title: '标题',\r\n    size: 'regular',\r\n    hasClose: true,\r\n    hasOverlay: true,\r\n    hasOffset: false,\r\n    hasPadding: true,\r\n    autoHeight: true,\r\n    closeOnClickModal: true,\r\n    created: null,\r\n    mounted: null,\r\n    afterClosed: null,\r\n    afterOpened: null,\r\n    afterScroll: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null,\r\n    afterToggle: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Drawer\r\n","import isHTML from '../types/isHTML'\r\nimport isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport stripScripts from '../lang/stripScripts'\r\nimport createElement from './createElement'\r\n\r\n/**\r\n * 获取或者设置 DOM 元素的 innerHTML 属性值，或者通过 HTML 字符串，创建 DOM 元素\r\n * ========================================================================\r\n * @method html\r\n * @param {HTMLElement|String} el\r\n * @param {String} [strHTML]\r\n * @return {DocumentFragment|null|*}\r\n */\r\nconst html = (el, strHTML) => {\r\n  const $fragment = document.createDocumentFragment()\r\n\r\n  if (!el || (!isHTML(el) && !isString(el) && !isElement(el))) {\r\n    return null\r\n  }\r\n\r\n  if (isHTML(el)) {\r\n    const template = createElement('div')\r\n    let children = []\r\n\r\n    template.innerHTML = stripScripts(el)\r\n    children = [...template.childNodes]\r\n    children.forEach((child) => {\r\n      $fragment.appendChild(child)\r\n    })\r\n\r\n    return $fragment\r\n  } else if (isString(strHTML)) {\r\n    el.innerHTML = stripScripts(strHTML)\r\n  } else {\r\n    return el.innerHTML\r\n  }\r\n}\r\n\r\nexport default html\r\n","import isFunction from '../types/isFunction'\r\nimport off from './off'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定事件\r\n * ========================================================================\r\n * @method at\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （必须） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst at = (el, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n  const listener = function (evt) {\r\n    let overrideContext = context || el\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    // 仅触发一次\r\n    /* istanbul ignore else */\r\n    if (once === true) {\r\n      off(el, type, listener)\r\n    }\r\n\r\n    fn.call(overrideContext, evt, data)\r\n  }\r\n\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default at\r\n","/**\r\n * 获取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 isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport later from './utils/lang/later'\r\nimport at from './utils/event/at'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport createElement from './utils/dom/createElement'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport addClass from './utils/dom/addClass'\r\nimport intersection from './utils/dom/intersection'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport getStyle from './utils/dom/getStyle'\r\nimport setProperty from './utils/dom/setProperty'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\n\r\nimport _paintChapters from './_paintChapters'\r\nimport inBounding from './utils/dom/inBounding'\r\n\r\nimport Base from './base'\r\n\r\nclass Navigator extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    this.scrollTimer = null\r\n    this.resizeTimer = null\r\n    this.observerTimer = null\r\n    this.Observer = null\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Navigator.DEFAULTS)\r\n\r\n    this.$el = null\r\n    this.$title = null\r\n    this.$main = null\r\n    this.$list = null\r\n    this.$placeholder = null\r\n    this.$parentElement = null\r\n    this.$scrollElement = null\r\n    this.$active = null\r\n\r\n    this.chapters = []\r\n    this.active = 0\r\n    this.offsetWidth = 0\r\n    this.offsetTop = 0\r\n    this.playing = false\r\n    this.closed = false\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let parentElement\r\n    let scrollElement\r\n    let $parent\r\n\r\n    this.attr(options)\r\n\r\n    created = this.attr('created')\r\n    parentElement = this.attr('parentElement')\r\n    scrollElement = this.attr('scrollElement')\r\n\r\n    if (isString(parentElement)) {\r\n      $parent = document.querySelector(parentElement)\r\n    } else if (isElement(parentElement)) {\r\n      $parent = parentElement\r\n    }\r\n    this.$parentElement = $parent\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n\r\n    this.chapters = this.attr('chapters')\r\n    this.closed = this.attr('closed')\r\n    this.active = this.attr('active')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    if (this.chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    this.$active = document.querySelector(`#chapter-${this.active}`)\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  isSticky() {\r\n    const position = this.attr('position')\r\n    return position === 'sticky'\r\n  }\r\n\r\n  isFixed() {\r\n    const position = this.attr('position')\r\n    return position === 'fixed'\r\n  }\r\n\r\n  isInside() {\r\n    return this.isFixed() || this.isSticky()\r\n  }\r\n\r\n  isOutside() {\r\n    return !this.isInside()\r\n  }\r\n\r\n  count() {\r\n    return this.chapters.length\r\n  }\r\n\r\n  _paintEdge() {\r\n    const $fragment = document.createDocumentFragment()\r\n    const STICKY = 'outline-navigator_sticky'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const title = this.attr('title')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const customClass = this.attr('customClass')\r\n    const $parentElement = this.$parentElement\r\n    const children = []\r\n    const contents = []\r\n    let $title = null\r\n    let $el\r\n    let $main\r\n    let $list\r\n    let $placeholder\r\n\r\n    if (!$parentElement) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside() && title) {\r\n      $title = createElement(\r\n        'h2',\r\n        {\r\n          className: 'outline-navigator__title'\r\n        },\r\n        title\r\n      )\r\n      this.$title = $title\r\n      contents.push($title)\r\n    }\r\n\r\n    $list = createElement('ul', {\r\n      // 为优化性能，添加了 _fixed 和 _hidden\r\n      // fixed 为了让 $list 脱离流布局\r\n      // hidden 让 $list 不可见\r\n      className: `outline-navigator__list`\r\n    })\r\n    this.$list = $list\r\n    children.push($list)\r\n\r\n    if (animationCurrent) {\r\n      $placeholder = createElement('div', {\r\n        className: 'outline-navigator__placeholder'\r\n      })\r\n      this.$placeholder = $placeholder\r\n      children.push($placeholder)\r\n    }\r\n\r\n    $main = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-navigator__main'\r\n      },\r\n      children\r\n    )\r\n    this.$main = $main\r\n    contents.push($main)\r\n\r\n    $el = createElement(\r\n      'nav',\r\n      {\r\n        id: 'outline-navigator',\r\n        className: `outline-navigator ${HIDDEN}`\r\n      },\r\n      contents\r\n    )\r\n    this.$el = $el\r\n\r\n    if (this.isSticky()) {\r\n      this.calculateStickyHeight()\r\n      addClass($el, STICKY)\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($el, customClass)\r\n    }\r\n    $fragment.appendChild($el)\r\n    $parentElement.appendChild($fragment)\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const $parentElement = this.$parentElement\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n    let $el\r\n\r\n    if (!$parentElement || chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside()) {\r\n      addClass($parentElement, 'outline-navigator-parent')\r\n    }\r\n\r\n    this._paintEdge()\r\n    $el = this.$el\r\n\r\n    this._paint(chapters)\r\n\r\n    later(() => {\r\n      this.highlight(this.active)\r\n    }, 60)\r\n\r\n    this.offsetTop = offsetTop($el)\r\n    this.offsetWidth = $el.offsetWidth\r\n\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      setProperty('--outline-navigator-width', `${this.offsetWidth}px`)\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    if (count < 400) {\r\n      this.onObserver()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$list.innerHTML = ''\r\n\r\n    return this\r\n  }\r\n\r\n  _paint(chapters) {\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const showCode = this.attr('showCode')\r\n    const $el = this.$el\r\n    const $list = this.$list\r\n\r\n    _paintChapters($list, chapters, showCode)\r\n    removeClass($el, HIDDEN)\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    this.$parentElement.removeChild(this.$el)\r\n    return this\r\n  }\r\n\r\n  refresh(chapters) {\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const $el = this.$el\r\n\r\n    removeClass($el, HIDDEN)\r\n    this.erase()._paint(chapters)\r\n\r\n    return this\r\n  }\r\n\r\n  _getPlaceholderOffset(index) {\r\n    const $main = this.$main\r\n    const $list = this.$list\r\n    const $anchor = $list.querySelector('.outline-navigator__anchor')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const mainPaddingTop = parseInt(getStyle($main, 'padding-top'), 10)\r\n    const mainBorderTop = parseInt(getStyle($main, 'border-top-width'), 10)\r\n    const placeholderPaddingTop = parseInt(getStyle($list, 'padding-top'), 10)\r\n    const placeholderMarginTop = parseInt(getStyle($list, 'margin-top'), 10)\r\n    const placeholderBorderTop = parseInt(\r\n      getStyle($list, 'border-top-width'),\r\n      10\r\n    )\r\n    let height = $anchor.offsetHeight\r\n    let offsetTop = 0\r\n    let top\r\n\r\n    if (!animationCurrent) {\r\n      return this\r\n    }\r\n\r\n    if (mainPaddingTop) {\r\n      offsetTop += mainPaddingTop\r\n    }\r\n\r\n    if (placeholderPaddingTop) {\r\n      offsetTop += placeholderPaddingTop\r\n    }\r\n\r\n    if (placeholderMarginTop) {\r\n      offsetTop += placeholderMarginTop\r\n    }\r\n\r\n    if (mainBorderTop) {\r\n      offsetTop += mainBorderTop\r\n    }\r\n\r\n    if (placeholderBorderTop) {\r\n      offsetTop += placeholderBorderTop\r\n    }\r\n\r\n    top = height * index\r\n\r\n    return offsetTop + top\r\n  }\r\n\r\n  positionPlaceholder(index) {\r\n    const $list = this.$list\r\n    const $placeholder = this.$placeholder\r\n    const $anchor = $list.querySelector('.outline-navigator__anchor')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const height = $anchor.offsetHeight\r\n    let offsetTop = 0\r\n\r\n    if (!animationCurrent) {\r\n      return this\r\n    }\r\n\r\n    offsetTop = this._getPlaceholderOffset(index)\r\n\r\n    $placeholder.style.cssText = `transform: translateY(${offsetTop}px);height:${height}px;`\r\n\r\n    return this\r\n  }\r\n\r\n  highlight(id) {\r\n    const $el = this.$el\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const ACTIVE = 'outline-navigator_active'\r\n    const HIGHLIGHT = 'outline-navigator_highlight'\r\n    let $anchor = null\r\n    let placeholderOffsetTop = 0\r\n\r\n    if (!$el) {\r\n      return this\r\n    }\r\n\r\n    $anchor = $el.querySelector(`#chapter__anchor-${id}`)\r\n\r\n    if (!$anchor) {\r\n      return this\r\n    }\r\n\r\n    this.active = parseInt($anchor.getAttribute('data-id'), 10)\r\n\r\n    if (this.$active) {\r\n      removeClass(this.$active, HIGHLIGHT)\r\n      removeClass(this.$active, ACTIVE)\r\n    }\r\n\r\n    this.$active = $anchor\r\n    addClass(this.$active, ACTIVE)\r\n\r\n    if (animationCurrent) {\r\n      this.positionPlaceholder(this.active)\r\n    } else {\r\n      addClass(this.$active, HIGHLIGHT)\r\n    }\r\n\r\n    later(() => {\r\n      if (!inBounding(this.$active, this.$main)) {\r\n        placeholderOffsetTop = this._getPlaceholderOffset(this.active)\r\n        scrollTo(this.$main, placeholderOffsetTop)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  sticky() {\r\n    const afterSticky = this.attr('afterSticky')\r\n    const FIXED = 'outline-navigator_fixed'\r\n    const $el = this.$el\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (!this.isFixed()) {\r\n      return this\r\n    }\r\n\r\n    isStickying = scrollTop >= top\r\n\r\n    if (isStickying) {\r\n      addClass($el, FIXED)\r\n    } else {\r\n      removeClass($el, FIXED)\r\n    }\r\n\r\n    if (isFunction(afterSticky)) {\r\n      afterSticky.call(this, this.isClosed(), isStickying)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  calculateStickyHeight() {\r\n    const documentElement = document.documentElement\r\n    const height = Math.max(\r\n      documentElement.clientHeight || 0,\r\n      window.innerHeight || 0\r\n    )\r\n    setProperty('--outline-sticky-height', `${height}px`)\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  show() {\r\n    const FOLDED = 'outline-navigator_folded'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const opened = this.attr('afterOpened')\r\n    const count = this.count()\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      if (count > 800) {\r\n        removeClass($parent, HIDDEN)\r\n      } else {\r\n        removeClass($parent, HIDDEN)\r\n        later(() => {\r\n          removeClass($parent, FOLDED)\r\n        }, 30)\r\n      }\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n    }\r\n    this.closed = false\r\n\r\n    if (isFunction(opened)) {\r\n      opened.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide() {\r\n    const FOLDED = 'outline-navigator_folded'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const closed = this.attr('afterClosed')\r\n    const count = this.count()\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      if (count > 800) {\r\n        addClass($parent, HIDDEN)\r\n      } else {\r\n        addClass($parent, FOLDED)\r\n        later(() => {\r\n          addClass($parent, HIDDEN)\r\n        })\r\n      }\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n    }\r\n    this.closed = true\r\n\r\n    if (isFunction(closed)) {\r\n      closed.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (this.isClosed()) {\r\n      this.show()\r\n    } else {\r\n      this.hide()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        isStickying = scrollTop >= top\r\n        afterToggle.call(this, this.isClosed(), isStickying)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n      this.scrollTimer = null\r\n    }\r\n\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n      this.resizeTimer = null\r\n    }\r\n\r\n    if (this.observerTimer) {\r\n      clearTimeout(this.observerTimer)\r\n      this.observerTimer = null\r\n    }\r\n\r\n    if (this.Observer) {\r\n      this.Observer = null\r\n    }\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onObserver() {\r\n    const selector = this.attr('selector')\r\n\r\n    this.Observer = intersection(\r\n      ($heading) => {\r\n        const id = $heading.getAttribute('data-id')\r\n\r\n        if (this.playing) {\r\n          return false\r\n        }\r\n\r\n        if (this.observerTimer) {\r\n          clearTimeout(this.observerTimer)\r\n        }\r\n\r\n        this.observerTimer = later(() => {\r\n          this.highlight(id)\r\n        }, 100)\r\n      },\r\n      {\r\n        selector,\r\n        context: this\r\n      }\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  onSelect(evt) {\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const id = $anchor.getAttribute('data-id')\r\n    const headingId = $anchor.href.split('#')[1]\r\n    const $heading = document.querySelector(`#${headingId}`)\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const min = 0\r\n    const max = this.$scrollElement.scrollHeight\r\n    const afterScroll = this.attr('afterScroll')\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this, 'chapter')\r\n      }\r\n\r\n      later(() => {\r\n        this.playing = false\r\n        this.$emit('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.playing = true\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      later(() => {\r\n        this.scrollTo(top, after)\r\n        this.highlight(id)\r\n      }, 10)\r\n    } else {\r\n      this.scrollTo(top, after)\r\n      this.highlight(id)\r\n    }\r\n\r\n    stop(evt)\r\n\r\n    return this\r\n  }\r\n\r\n  onScroll() {\r\n    const $scrollElement = this.$scrollElement\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n    }\r\n\r\n    this.scrollTimer = later(() => {\r\n      const top = $scrollElement.scrollTop\r\n      const min = 0\r\n      const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n\r\n      if (this.isFixed()) {\r\n        this.sticky()\r\n      }\r\n\r\n      this.$emit('toolbar:update', {\r\n        top,\r\n        min,\r\n        max\r\n      })\r\n    }, 100)\r\n\r\n    return this\r\n  }\r\n\r\n  onResize() {\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n    }\r\n\r\n    this.resizeTimer = later(() => {\r\n      this.calculateStickyHeight()\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    on($el, '.outline-navigator__anchor', 'click', this.onSelect, this, true)\r\n    at($element, 'scroll', this.onScroll, this, true)\r\n    if (this.isSticky()) {\r\n      at(window, 'resize', this.onResize, this, true)\r\n    }\r\n    this.$on('anchors:all:paint', this.onObserver, this)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const selector = this.attr('selector')\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    off($el, 'click', this.onSelect)\r\n    off($element, 'scroll', this.onScroll)\r\n    if (this.isSticky()) {\r\n      off(window, 'resize', this.onResize)\r\n    }\r\n    this.$off('anchors:all:paint')\r\n\r\n    if (this.Observer) {\r\n      document.querySelectorAll(selector).forEach((section) => {\r\n        this.Observer.unobserve(section)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nNavigator.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    parentElement: '',\r\n    scrollElement: '',\r\n    selector: '.outline-heading',\r\n    active: 0,\r\n    closed: false,\r\n    showCode: true,\r\n    animationCurrent: true,\r\n    position: 'relative',\r\n    stickyHeight: 0,\r\n    chapters: [],\r\n    created: null,\r\n    mounted: null,\r\n    afterClosed: null,\r\n    afterOpened: null,\r\n    afterScroll: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null,\r\n    afterSticky: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Navigator\r\n","import createElement from './utils/dom/createElement'\r\nimport timeSlice from './utils/lang/timeSlice'\r\n\r\nconst _paintChapters = ($list, chapters, showCode = false) => {\r\n  const LIMIT = 400\r\n  const count = chapters.length\r\n  const clones = [...chapters]\r\n  const paint = (parts) => {\r\n    const byId = (id) => $list.querySelector(`#${id}`)\r\n    parts.forEach((chapter) => {\r\n      const pid = chapter.pid\r\n      const id = chapter.id\r\n      const code = chapter.code\r\n      const rel = chapter.rel\r\n      const children = []\r\n      const $text = createElement(\r\n        'span',\r\n        {\r\n          className: 'outline-navigator__text'\r\n        },\r\n        chapter.text\r\n      )\r\n      let $link\r\n      let $code\r\n      let $li\r\n      let $subject\r\n      let $chapter\r\n\r\n      if (showCode) {\r\n        $code = createElement(\r\n          'span',\r\n          {\r\n            className: 'outline-navigator__code',\r\n            'data-id': id\r\n          },\r\n          chapter.code\r\n        )\r\n\r\n        children.push($code)\r\n      }\r\n\r\n      children.push($text)\r\n\r\n      $link = createElement(\r\n        'a',\r\n        {\r\n          id: `chapter__anchor-${id}`,\r\n          className: 'outline-navigator__anchor',\r\n          href: '#' + rel,\r\n          rel: rel,\r\n          'data-id': id,\r\n          'data-code': code\r\n        },\r\n        children\r\n      )\r\n\r\n      $li = createElement(\r\n        'li',\r\n        {\r\n          id: `chapter-${id}`,\r\n          className: 'outline-navigator__item',\r\n          'data-id': id,\r\n          'data-code': code\r\n        },\r\n        $link\r\n      )\r\n\r\n      if (pid === -1) {\r\n        $list.appendChild($li)\r\n      } else {\r\n        $chapter = byId(`chapter-${pid}`)\r\n        $subject = byId(`subject-${pid}`)\r\n\r\n        if (!$subject) {\r\n          $subject = createElement(\r\n            'ul',\r\n            {\r\n              id: 'subject-' + pid,\r\n              className: 'outline-navigator__subject'\r\n            },\r\n            $li\r\n          )\r\n\r\n          $chapter.appendChild($subject)\r\n        } else {\r\n          $subject.appendChild($li)\r\n        }\r\n      }\r\n    })\r\n  }\r\n\r\n  if (count > LIMIT) {\r\n    // 同步绘制\r\n    paint(clones.splice(0, LIMIT))\r\n    // 剩余的采用 timeSlice 机制绘制\r\n    while (clones.length > 0) {\r\n      const once = clones.splice(0, LIMIT)\r\n      timeSlice(() => {\r\n        paint(once)\r\n      })\r\n    }\r\n  } else {\r\n    paint(clones)\r\n  }\r\n}\r\n\r\nexport default _paintChapters\r\n","import isElement from '../types/isElement'\r\n\r\n/**\r\n * 检测某个 DOM 节点的位置是否在另个一个 DOM 节点范围内\r\n * ========================================================================\r\n * @method inBounding\r\n * @param {HTMLElement} child\r\n * @param {HTMLElement} parent\r\n * @return {Boolean}\r\n */\r\nconst inBounding = (child, parent) => {\r\n  let parentRect\r\n  let childRect\r\n\r\n  if (!isElement(child) || !isElement(parent)) {\r\n    return false\r\n  }\r\n\r\n  parentRect = parent.getBoundingClientRect()\r\n  childRect = child.getBoundingClientRect()\r\n\r\n  return (\r\n    childRect.top >= parentRect.top &&\r\n    childRect.right <= parentRect.right &&\r\n    childRect.bottom <= parentRect.bottom &&\r\n    childRect.left >= parentRect.left\r\n  )\r\n}\r\n\r\nexport default inBounding\r\n","import isFunction from '../types/isFunction'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通用的 IntersectionObserver 观察者处理器\r\n * ========================================================================\r\n * @method intersection\r\n * @param {Function} fn\r\n * @param {Object} [props]\r\n * @param {Object|HTMLElement} [props.root]\r\n * @param {String} [props.selector]\r\n * @param {Object} [props.context]\r\n * @param {String} [props.attr]\r\n * @param {String} [props.rootMargin]\r\n */\r\nconst intersection = (fn, props = {}) => {\r\n  const root = props.root || null\r\n  const selector = props.selector || '.outline-heading'\r\n  const context = props.context || null\r\n  const rootMargin = props.rootMargin || '0px 0px -90% 0px'\r\n  const options = {\r\n    rootMargin: rootMargin\r\n  }\r\n  // eslint-disable-next-line compat/compat\r\n  const Observer = new IntersectionObserver((entries) => {\r\n    entries.forEach((entry) => {\r\n      if (entry.intersectionRatio > 0) {\r\n        if (isFunction(fn)) {\r\n          fn.call(context || entry.target, entry.target)\r\n        }\r\n      }\r\n    })\r\n  }, options)\r\n  const $root = isElement(root) ? root : document\r\n\r\n  if (root) {\r\n    options.root = root\r\n  }\r\n\r\n  $root.querySelectorAll(selector).forEach((section) => {\r\n    Observer.observe(section)\r\n  })\r\n\r\n  return Observer\r\n}\r\n\r\nexport default intersection\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测测试数据是否为类似 Object 类型\r\n * ========================================================================\r\n * @method isObjectLike\r\n * @param {Object} val - 要检测的数据\r\n * @returns {Boolean} 'val' 是类似 Object 类型，返回 true，否则返回 false\r\n */\r\nconst isObjectLike = (val) => {\r\n  return isObject(val) && val !== null\r\n}\r\n\r\nexport default isObjectLike\r\n","import isObjectLike from './isObjectLike'\r\n\r\n/**\r\n * 检测测试数据是否为普通对象\r\n * ========================================================================\r\n * @method isPlainObject\r\n * @param {Object} val - 要检测的数据\r\n * @returns {Boolean} 'val' 是普通对象，返回 true，否则返回 false\r\n */\r\nconst isPlainObject = (val) => {\r\n  const getPrototypeOf = Object.getPrototypeOf\r\n  let proto\r\n\r\n  // Detect obvious negatives\r\n  if (!isObjectLike(val)) {\r\n    return false\r\n  }\r\n\r\n  proto = val.prototype\r\n\r\n  // JavaScript 对象分为两种：普通对象和函数对象\r\n  // 普通对象：原型是 __proto__，没有 prototype 原型（属性）\r\n  // 函数对象：原型是 prototype ，prototype 只存在于函数对象上\r\n  if (!proto) {\r\n    return true\r\n  }\r\n\r\n  proto = val\r\n\r\n  while (getPrototypeOf(proto) !== null) {\r\n    proto = getPrototypeOf(proto)\r\n  }\r\n\r\n  return getPrototypeOf(val) === proto\r\n}\r\n\r\nexport default isPlainObject\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    '&': '&amp;',\r\n    '<': '&lt;',\r\n    '>': '&gt;',\r\n    \"'\": '&#39;',\r\n    '\"': '&quot;'\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\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\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    return this\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\r\n    document.body.removeChild(this.$el)\r\n\r\n    clearTimeout(this.timer)\r\n    this._default()\r\n\r\n    this.$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($el, 'click', this.onClose)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nMessage.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    id: '',\r\n    type: 'info',\r\n    effect: 'default',\r\n    round: false,\r\n    offset: 30,\r\n    duration: 3,\r\n    delay: 2,\r\n    message: '',\r\n    customClass: '',\r\n    closable: true,\r\n    visible: true,\r\n    dangerouslyUseHTMLString: false,\r\n    destroyAfterClosed: true,\r\n    beforeClose: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nTYPES.forEach((type) => {\r\n  Message[type] = (options) => {\r\n    const config = {}\r\n    const id = guid(`outline-message-`)\r\n    const beforeClose = options.beforeClose || null\r\n    let offset = options.offset || 30\r\n\r\n    if (isString(options)) {\r\n      config.message = options\r\n    } else {\r\n      if (isPlainObject(options)) {\r\n        extend(config, options)\r\n      }\r\n    }\r\n    config.id = id\r\n    config.type = type\r\n    config.offset = offset\r\n    config.visible = false\r\n    config.beforeClose = () => {\r\n      Message.close(id, beforeClose)\r\n    }\r\n\r\n    instance = new Message(config)\r\n    instances.forEach((item) => {\r\n      offset += item.$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 isFunction from './utils/types/isFunction'\r\n\r\nclass Command {\r\n  constructor(name, action) {\r\n    this.name = name\r\n\r\n    if (isFunction(action)) {\r\n      this.action = action\r\n    }\r\n  }\r\n\r\n  execute() {\r\n    this.action()\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nexport default Command\r\n","import isFunction from './utils/types/isFunction'\r\n\r\nclass Commands {\r\n  constructor() {\r\n    this.commands = []\r\n  }\r\n\r\n  get(name) {\r\n    return this.commands.find((cmd) => cmd.name === name)\r\n  }\r\n\r\n  add(command) {\r\n    this.commands.push(command)\r\n\r\n    return this\r\n  }\r\n\r\n  del(name) {\r\n    const commands = this.commands\r\n    const command = commands.find((cmd) => cmd.name === name)\r\n    const index = command ? commands.indexOf(command) : -1\r\n\r\n    if (index > -1) {\r\n      commands.splice(index, 1)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  clear() {\r\n    this.commands = []\r\n\r\n    return this\r\n  }\r\n\r\n  execute(name) {\r\n    const command = this.commands.find((cmd) => cmd.name === name)\r\n\r\n    if (isFunction(command?.execute)) {\r\n      command.execute()\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nexport default Commands\r\n","import icon from './utils/icons/icon'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\n\r\nconst _createButton = (button, rounded = true) => {\r\n  const $icon = icon(button.icon, {\r\n    iconSet: button.iconSet || 'outline',\r\n    color: button.color || '',\r\n    size: button.size\r\n  })\r\n  const $anchor = createElement(\r\n    'a',\r\n    {\r\n      className: `outline-toolbar__anchor`,\r\n      href: button.link\r\n    },\r\n    $icon\r\n  )\r\n  const $button = createElement(\r\n    'div',\r\n    {\r\n      className: `outline-toolbar__button ${button.name}`,\r\n      'data-cmd': button.name\r\n    },\r\n    [button.link ? $anchor : $icon]\r\n  )\r\n\r\n  addClass($icon, 'outline-toolbar__icon')\r\n\r\n  if (rounded) {\r\n    addClass($button, 'outline-toolbar_rounded')\r\n  }\r\n\r\n  if (button.disabled) {\r\n    addClass($button, 'outline-toolbar_disabled')\r\n  }\r\n\r\n  return $button\r\n}\r\n\r\nexport default _createButton\r\n","import isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isObject from './utils/types/isObject'\r\nimport isArray from './utils/types/isArray'\r\nimport later from './utils/lang/later'\r\nimport guid from './utils/lang/guid'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport hasClass from './utils/dom/hasClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport paint from './utils/icons/paint'\r\n\r\nimport Base from './base'\r\nimport Command from './command'\r\nimport Commands from './commands'\r\n\r\nimport _createButton from './_createButton'\r\n\r\nconst DISABLED = 'outline-toolbar_disabled'\r\nconst HIDDEN = 'outline-toolbar_hidden'\r\n\r\nclass Toolbar extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Toolbar.DEFAULTS)\r\n\r\n    this.disabled = false\r\n    this.closed = false\r\n\r\n    this.$el = null\r\n    this.buttons = []\r\n    this.commands = null\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n\r\n    this.attr(options)\r\n\r\n    this.disabled = this.attr('disabled')\r\n    this.closed = this.attr('closed')\r\n    this.commands = new Commands()\r\n\r\n    created = this.attr('created')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  isDisabled(name) {\r\n    let button\r\n\r\n    if (name) {\r\n      button = this.get(name)\r\n\r\n      return button.disabled\r\n    }\r\n\r\n    return this.disabled\r\n  }\r\n\r\n  isExist(name) {\r\n    const button = this.get(name)\r\n    return !!button\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  _getCommand(button) {\r\n    const _self = this\r\n    const { action, name } = button\r\n    let command = null\r\n    let handler = null\r\n    let context\r\n    let listener\r\n\r\n    if (!action) {\r\n      return command\r\n    }\r\n\r\n    handler = action.handler\r\n    context = action.context || this\r\n\r\n    if (isFunction(handler)) {\r\n      listener = handler\r\n    } else if (isString(handler)) {\r\n      listener = function () {\r\n        _self.$emit(handler, name)\r\n      }\r\n    }\r\n\r\n    if (isFunction(listener)) {\r\n      command = new Command(name, listener.bind(context))\r\n    }\r\n\r\n    return command\r\n  }\r\n\r\n  get(name) {\r\n    return this.buttons.find((button) => button.name === name)\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const buttons = this.attr('buttons') || []\r\n    const placement = this.attr('placement')\r\n\r\n    paint()\r\n\r\n    this.$el = createElement('div', {\r\n      id: guid('outline-toolbar'),\r\n      className: `outline-toolbar outline-toolbar_${placement}`\r\n    })\r\n    this._paint(buttons)\r\n    document.body.appendChild(this.$el)\r\n\r\n    if (this.closed) {\r\n      this.hide()\r\n    }\r\n\r\n    if (this.disabled) {\r\n      this.disable()\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$el.innerHTML = ''\r\n    return this\r\n  }\r\n\r\n  _paint(buttons) {\r\n    const rounded = this.attr('rounded')\r\n    const $fragment = document.createDocumentFragment()\r\n\r\n    buttons.forEach((button) => {\r\n      const $button = _createButton(button, rounded)\r\n      const command = this._getCommand(button)\r\n      const { name, disabled, context } = button\r\n\r\n      $fragment.appendChild($button)\r\n\r\n      if (!this.isExist(name)) {\r\n        this.buttons.push({\r\n          $el: $button,\r\n          name,\r\n          disabled: disabled || false,\r\n          context: context || this\r\n        })\r\n\r\n        if (command) {\r\n          this.commands.add(command)\r\n        }\r\n      }\r\n    })\r\n\r\n    this.$el.appendChild($fragment)\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    document.body.removeChild(this.$el)\r\n    return this\r\n  }\r\n\r\n  refresh(buttons) {\r\n    this.attr({ buttons })\r\n    this.erase()._paint(buttons)\r\n    return this\r\n  }\r\n\r\n  add(button) {\r\n    const $el = this.$el\r\n    const $fragment = document.createDocumentFragment()\r\n    const buttons = this.attr('buttons') || []\r\n    const { name, disabled, context } = button\r\n    const command = this._getCommand(button)\r\n    const _add = (button) => {\r\n      const $button = _createButton(button)\r\n\r\n      $fragment.appendChild($button)\r\n\r\n      buttons.push(button)\r\n      this.buttons.push({\r\n        $el: $button,\r\n        name,\r\n        disabled: disabled || false,\r\n        context: context || this,\r\n        command\r\n      })\r\n\r\n      if (command) {\r\n        this.commands.add(command)\r\n      }\r\n    }\r\n\r\n    if (isObject(button)) {\r\n      _add(button)\r\n    } else if (isArray(button)) {\r\n      button.forEach((item) => {\r\n        if (isObject(item)) {\r\n          _add(item)\r\n        }\r\n      })\r\n    }\r\n    $el.appendChild($fragment)\r\n\r\n    return this\r\n  }\r\n\r\n  remove(name) {\r\n    const $el = this.$el\r\n    const buttons = this.buttons\r\n    const button = this.get(name)\r\n    let index = -1\r\n\r\n    if (!button) {\r\n      return this\r\n    }\r\n\r\n    index = buttons.indexOf(button)\r\n\r\n    if (index > -1) {\r\n      buttons.splice(index, 1)\r\n      this.attrs('buttons').splice(index, 1)\r\n    }\r\n\r\n    this._disable(name)\r\n    $el.removeChild(button.$el)\r\n\r\n    return this\r\n  }\r\n\r\n  _disable(name) {\r\n    const button = this.get(name)\r\n    const command = this.commands.get(name)\r\n\r\n    if (!button || button.disabled) {\r\n      return this\r\n    }\r\n\r\n    button.disabled = true\r\n\r\n    if (command) {\r\n      this.commands.del(command)\r\n    }\r\n\r\n    addClass(button.$el, DISABLED)\r\n\r\n    return this\r\n  }\r\n\r\n  _enable(name) {\r\n    const button = this.get(name)\r\n    const command = this.commands.get(name)\r\n\r\n    if (!button || !button.disabled) {\r\n      return this\r\n    }\r\n\r\n    button.disabled = false\r\n\r\n    if (command) {\r\n      this.commands.add(command)\r\n    }\r\n\r\n    removeClass(button.$el, DISABLED)\r\n\r\n    return this\r\n  }\r\n\r\n  disable(name) {\r\n    const disabled = this.attr('afterDisabled')\r\n\r\n    if (name) {\r\n      this._disable(name)\r\n    } else {\r\n      addClass(this.$el, DISABLED)\r\n      this.removeListeners()\r\n      this.disabled = true\r\n\r\n      if (isFunction(disabled)) {\r\n        disabled.call(this)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  enable(name) {\r\n    const enabled = this.attr('afterEnabled')\r\n\r\n    if (name) {\r\n      this._enable(name)\r\n    } else {\r\n      this.disabled = false\r\n      removeClass(this.$el, DISABLED)\r\n      this.addListeners()\r\n\r\n      if (isFunction(enabled)) {\r\n        enabled.call(this)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  show(name) {\r\n    const opened = this.attr('afterOpened')\r\n    const button = this.get(name)\r\n    const $el = this.$el\r\n\r\n    if (name) {\r\n      if (!button) {\r\n        return this\r\n      }\r\n\r\n      removeClass(button.$el, HIDDEN)\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n      this.closed = false\r\n\r\n      if (isFunction(opened)) {\r\n        later(() => {\r\n          opened.call(this)\r\n        }, 310)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide(name) {\r\n    const closed = this.attr('afterClosed')\r\n    const button = this.get(name)\r\n    const $el = this.$el\r\n\r\n    if (name) {\r\n      if (!button) {\r\n        return this\r\n      }\r\n\r\n      addClass(button.$el, HIDDEN)\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n      this.closed = true\r\n\r\n      if (isFunction(closed)) {\r\n        later(() => {\r\n          closed.call(this)\r\n        }, 310)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle(name) {\r\n    if (this.isClosed()) {\r\n      this.show(name)\r\n    } else {\r\n      this.hide(name)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  highlight(name) {\r\n    const button = this.get(name)\r\n    const ACTIVE = 'outline-toolbar_active'\r\n    let $button\r\n\r\n    if (!button) {\r\n      return this\r\n    }\r\n\r\n    $button = button.$el\r\n\r\n    if (hasClass($button, ACTIVE)) {\r\n      removeClass($button, ACTIVE)\r\n    } else {\r\n      addClass($button, ACTIVE)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.commands.clear()\r\n    this.removeListeners()._remove()._default()\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  execute(name) {\r\n    if (this.isDisabled(name)) {\r\n      return this\r\n    }\r\n\r\n    this.commands.execute(name)\r\n\r\n    return this\r\n  }\r\n\r\n  onExecute(evt) {\r\n    const $button = evt.delegateTarget\r\n    let cmd = ''\r\n\r\n    if ($button) {\r\n      cmd = $button.getAttribute('data-cmd')\r\n\r\n      if (cmd) {\r\n        this.execute(cmd)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const buttons = this.attr('buttons') || []\r\n    const $el = this.$el\r\n\r\n    if (!buttons || buttons.length < 1) {\r\n      return this\r\n    }\r\n\r\n    on($el, `.outline-toolbar__button`, 'click', this.onExecute, this, true)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const buttons = this.attr('buttons') || []\r\n    const $el = this.$el\r\n\r\n    if (!buttons || buttons.length < 1) {\r\n      return this\r\n    }\r\n\r\n    off($el, '.outline-toolbar__button', this.onExecute)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nToolbar.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    placement: 'ltr',\r\n    closed: false,\r\n    disabled: false,\r\n    rounded: true,\r\n    buttons: [],\r\n    created: null,\r\n    mounted: null,\r\n    afterClosed: null,\r\n    afterOpened: null,\r\n    afterDisabled: null,\r\n    afterEnabled: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Toolbar\r\n","import publish from './utils/observer/emit'\r\n\r\nclass Speech {\r\n  constructor(options) {\r\n    this.utterance = new SpeechSynthesisUtterance()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _initialize(options) {\r\n    if (options.lang) {\r\n      this.setLang(options.lang)\r\n    }\r\n\r\n    if (options.pitch) {\r\n      this.setPitch(options.pitch)\r\n    }\r\n\r\n    if (options.rate) {\r\n      this.setRate(options.rate)\r\n    }\r\n\r\n    if (options.text) {\r\n      this.setText(options.text)\r\n    }\r\n\r\n    if (options.voice) {\r\n      this.setVoice(options.voice)\r\n    }\r\n\r\n    if (options.volume) {\r\n      this.setVolume(options.volume)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    this._initialize(options)._addListeners()\r\n    return this\r\n  }\r\n\r\n  isSpeaking() {\r\n    return speechSynthesis.speaking\r\n  }\r\n\r\n  isPending() {\r\n    return speechSynthesis.pending\r\n  }\r\n\r\n  isPaused() {\r\n    return speechSynthesis.paused\r\n  }\r\n\r\n  getVoices() {\r\n    return speechSynthesis.getVoices()\r\n  }\r\n\r\n  setLang(lang) {\r\n    this.utterance.lang = lang\r\n    return this\r\n  }\r\n\r\n  setPitch(pitch) {\r\n    this.utterance.pitch = pitch\r\n    return this\r\n  }\r\n\r\n  setRate(rate) {\r\n    this.utterance.rate = rate\r\n    return this\r\n  }\r\n\r\n  setText(text) {\r\n    this.utterance.text = text\r\n    return this\r\n  }\r\n\r\n  setVoice(voice) {\r\n    this.utterance.voice = voice\r\n    return this\r\n  }\r\n\r\n  setVolume(volume) {\r\n    this.utterance.volume = volume\r\n    return this\r\n  }\r\n\r\n  speak(text) {\r\n    if (text) {\r\n      this.setText(text)\r\n    }\r\n\r\n    speechSynthesis.speak(this.utterance)\r\n\r\n    return this\r\n  }\r\n\r\n  pause() {\r\n    speechSynthesis.pause()\r\n    return this\r\n  }\r\n\r\n  resume() {\r\n    speechSynthesis.resume()\r\n    return this\r\n  }\r\n\r\n  cancel() {\r\n    speechSynthesis.cancel()\r\n    this.setText('')\r\n    return this\r\n  }\r\n\r\n  _addListeners() {\r\n    const UTTERANCE_EVENTS = [\r\n      'boundary',\r\n      'end',\r\n      'error',\r\n      'start',\r\n      'mark',\r\n      'pause',\r\n      'resume'\r\n    ]\r\n    const utterance = this.utterance\r\n    const speech = this\r\n\r\n    UTTERANCE_EVENTS.forEach((name) => {\r\n      utterance[`on${name}`] = (event) => {\r\n        publish(name, {\r\n          event,\r\n          speech\r\n        })\r\n      }\r\n    })\r\n\r\n    speechSynthesis.onvoiceschanged = (event) => {\r\n      publish('voiceschanged', {\r\n        event,\r\n        speech\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nSpeech.isSupport = (() => {\r\n  return 'speechSynthesis' in window\r\n})()\r\n\r\nexport default Speech\r\n","import addClass from './utils/dom/addClass'\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-reader_sibling')\r\n    }\r\n\r\n    if (isPrev) {\r\n      $sibling = $sibling.previousElementSibling\r\n    } else {\r\n      $sibling = $sibling.nextElementSibling\r\n    }\r\n  }\r\n}\r\n\r\nexport default _updateSiblingElements\r\n","import cloneDeep from './utils/lang/cloneDeep'\r\nimport later from './utils/lang/later'\r\nimport isString from './utils/types/isString'\r\nimport isElement from './utils/types/isElement'\r\nimport isFunction from './utils/types/isFunction'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport at from './utils/event/at'\r\nimport stop from './utils/event/stop'\r\nimport off from './utils/event/off'\r\n\r\nimport Base from './base'\r\nimport Message from './message'\r\nimport Toolbar from './toolbar'\r\nimport Speech from './speech'\r\n\r\nimport _updateSiblingElements from './_updateSiblingElements'\r\n\r\nconst ENTER_READING_TIP = '进入阅读模式，按 ESC 键可退出阅读模式'\r\n\r\nclass Reader extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Reader.DEFAULTS)\r\n    this.reading = false\r\n\r\n    this.$target = null\r\n    this.$paper = null\r\n    this.$title = null\r\n    this.$article = null\r\n    this.$progress = null\r\n\r\n    this.toolbar = null\r\n    this.speech = null\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let target = null\r\n\r\n    this.attr(options)\r\n\r\n    target = this.attr('target')\r\n\r\n    if (isString(target)) {\r\n      this.$target = document.querySelector(target)\r\n    } else if (isElement(target)) {\r\n      this.$target = target\r\n    }\r\n\r\n    if (!this.$target) {\r\n      return this\r\n    }\r\n\r\n    if (Speech.isSupport) {\r\n      this.speech = new Speech()\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  isSpeaking() {\r\n    return this?.speech?.isSpeaking()\r\n  }\r\n\r\n  render() {\r\n    this._renderEdge()._paint(this.$target)\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$article.innerHTML = ''\r\n    return this\r\n  }\r\n\r\n  _paint($content) {\r\n    const $fragment = document.createDocumentFragment()\r\n    const $children = [...$content.cloneNode(true).children]\r\n\r\n    later(() => {\r\n      $children.forEach(($child) => {\r\n        $fragment.appendChild($child)\r\n      })\r\n\r\n      this.$article.appendChild($fragment)\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    const $paper = this.$paper\r\n    const toolbar = this.toolbar\r\n\r\n    if ($paper) {\r\n      document.body.removeChild($paper)\r\n    }\r\n\r\n    if (toolbar) {\r\n      toolbar.destroy()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  refresh() {\r\n    this.erase()._paint(this.$target)\r\n    return this\r\n  }\r\n\r\n  _renderEdge() {\r\n    const $target = this.$target\r\n    let title = this.attr('title')\r\n    let $paper\r\n    let $title\r\n    let $article\r\n    let $progress\r\n    let $sibling\r\n\r\n    $title = $target.querySelector('h1')\r\n\r\n    if (isElement(title)) {\r\n      $title = title\r\n    }\r\n\r\n    if (isElement($title)) {\r\n      title = $title.innerText\r\n    }\r\n\r\n    $title = createElement(\r\n      'h1',\r\n      {\r\n        className: 'outline-reader__title'\r\n      },\r\n      title\r\n    )\r\n    this.$title = $title\r\n\r\n    $article = createElement('article', {\r\n      id: 'outline-reader__article',\r\n      className: 'outline-reader__article'\r\n    })\r\n    this.$article = $article\r\n\r\n    $progress = createElement('div', {\r\n      className: 'outline-reader__progress'\r\n    })\r\n    this.$progress = $progress\r\n\r\n    const buttons = []\r\n\r\n    if (Speech.isSupport && this.attr('allowSpeak')) {\r\n      buttons.push({\r\n        name: 'speak',\r\n        icon: 'sound',\r\n        size: 20,\r\n        action: {\r\n          context: this,\r\n          handler: this.speak\r\n        }\r\n      })\r\n    }\r\n\r\n    buttons.push(\r\n      ...[\r\n        {\r\n          name: 'print',\r\n          icon: 'print',\r\n          size: 20,\r\n          action: {\r\n            context: this,\r\n            handler: this.print\r\n          }\r\n        },\r\n        {\r\n          name: 'exit',\r\n          icon: 'close',\r\n          size: 20,\r\n          action: {\r\n            context: this,\r\n            handler: this.exit\r\n          }\r\n        }\r\n      ]\r\n    )\r\n\r\n    this.toolbar = new Toolbar({\r\n      placement: 'rtl',\r\n      buttons\r\n    })\r\n\r\n    $paper = createElement(\r\n      'section',\r\n      {\r\n        id: 'outline-reader',\r\n        className: 'outline-reader outline-reader_hidden'\r\n      },\r\n      [$progress, $title, $article, this.toolbar.$el]\r\n    )\r\n    this.$paper = $paper\r\n\r\n    document.body.appendChild($paper)\r\n\r\n    later(() => {\r\n      // 设置邻居节点的打印样式\r\n      $sibling = $paper.previousElementSibling\r\n      _updateSiblingElements($sibling, true)\r\n\r\n      $sibling = $paper.nextElementSibling\r\n      _updateSiblingElements($sibling)\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  enter() {\r\n    const READER = 'outline-reader'\r\n    const READING = `${READER}--reading`\r\n    const HIDDEN = `${READER}_hidden`\r\n    const $paper = this.$paper\r\n    const $siblings = document.querySelectorAll('.outline-reader_sibling')\r\n    const enterReadingTip = this.attr('enterReadingTip') || ENTER_READING_TIP\r\n\r\n    if (this.reading || !$paper) {\r\n      return this\r\n    }\r\n\r\n    $siblings.forEach(($sibling) => {\r\n      addClass($sibling, HIDDEN)\r\n    })\r\n    addClass($paper, READING)\r\n    removeClass($paper, HIDDEN)\r\n    this.toolbar.show()\r\n    this.reading = true\r\n\r\n    Message.info({\r\n      round: true,\r\n      message: enterReadingTip\r\n    })\r\n\r\n    this.$emit('enterReading')\r\n\r\n    return this\r\n  }\r\n\r\n  exit() {\r\n    const READER = 'outline-reader'\r\n    const READING = `${READER}--reading`\r\n    const HIDDEN = `${READER}_hidden`\r\n    const $paper = this.$paper\r\n    const $siblings = document.querySelectorAll('.outline-reader_sibling')\r\n\r\n    if (!this.reading || !$paper) {\r\n      return this\r\n    }\r\n\r\n    addClass($paper, HIDDEN)\r\n    removeClass($paper, READING)\r\n    $siblings.forEach(($sibling) => {\r\n      removeClass($sibling, HIDDEN)\r\n    })\r\n    this.toolbar.hide()\r\n    this.reading = false\r\n\r\n    this.$emit('exitReading')\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    if (this.reading) {\r\n      this.exit()\r\n    } else {\r\n      this.enter()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  speak() {\r\n    const text = this.$article.innerText\r\n    const speech = this.speech\r\n\r\n    if (!Speech.isSupport) {\r\n      return this\r\n    }\r\n\r\n    this.toolbar.highlight('speak')\r\n\r\n    if (this.isSpeaking()) {\r\n      speech.cancel()\r\n    } else {\r\n      speech.speak(text)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  print() {\r\n    if (!isFunction(print)) {\r\n      return this\r\n    }\r\n\r\n    print()\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const $paper = this.$paper\r\n\r\n    if (!$paper) {\r\n      return this\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    return this\r\n  }\r\n\r\n  onPrint() {\r\n    this.print()\r\n    return this\r\n  }\r\n\r\n  onEnterReading() {\r\n    this.toggle()\r\n    return this\r\n  }\r\n\r\n  onExitReading(evt) {\r\n    const keyCode = evt.keyCode\r\n\r\n    if (keyCode === 27 && this.reading) {\r\n      this.toggle()\r\n      stop(evt)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $paper = this.$paper\r\n\r\n    if (!$paper) {\r\n      return this\r\n    }\r\n\r\n    at(document, 'keyup', this.onExitReading, this, true)\r\n\r\n    this.$on('toolbar:action:print', this.onPrint)\r\n    this.$on('toolbar:action:reading', this.onEnterReading)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $paper = this.$paper\r\n\r\n    if (!$paper) {\r\n      return this\r\n    }\r\n\r\n    off(document, 'keyup', this.onExitReading)\r\n\r\n    this.$off('toolbar:action:print')\r\n    this.$off('toolbar:action:reading')\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nReader.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    target: '',\r\n    title: '',\r\n    enterReadingTip: ENTER_READING_TIP,\r\n    allowSpeak: false\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Reader\r\n","import later from './utils/lang/later'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isString from './utils/types/isString'\r\nimport isElement from './utils/types/isElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\n\r\nimport getChapters from './getChapters'\r\n\r\nimport Base from './base'\r\nimport Anchors from './anchors'\r\nimport Drawer from './drawer'\r\nimport Navigator from './navigator'\r\nimport Reader from './reader'\r\nimport Toolbar from './toolbar'\r\n\r\nclass Outline extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    const options = Outline.DEFAULTS\r\n\r\n    this.attrs = cloneDeep(options)\r\n    this.$article = null\r\n    this.$scrollElement = null\r\n    this.buttons = []\r\n\r\n    this.anchors = null\r\n    this.drawer = null\r\n    this.navigator = null\r\n    this.reader = null\r\n    this.toolbar = null\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let articleElement = ''\r\n    let scrollElement = ''\r\n    let $article = null\r\n\r\n    this.attr(options)\r\n\r\n    articleElement = this.attr('articleElement')\r\n    scrollElement = this.attr('scrollElement')\r\n\r\n    if (isString(articleElement)) {\r\n      $article = document.querySelector(articleElement)\r\n    } else if (isElement(articleElement)) {\r\n      $article = articleElement\r\n    }\r\n    this.$article = $article\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n\r\n    this.$emit('created', { ...this.attr() })\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  getChapters(isTreeStructured = false) {\r\n    const articleElement = this.$article\r\n    const selector = this.attr('selector')\r\n    const showCode = this.attr('showCode') || true\r\n    const chapterTextFilter = this.attr('chapterTextFilter')\r\n\r\n    return getChapters({\r\n      articleElement,\r\n      selector,\r\n      showCode,\r\n      chapterTextFilter,\r\n      isTreeStructured\r\n    })\r\n  }\r\n\r\n  count() {\r\n    return this.getChapters().length\r\n  }\r\n\r\n  render() {\r\n    const hasToolbar = this.attr('hasToolbar')\r\n    const $scrollElement = this.$scrollElement\r\n\r\n    this._renderReader()._renderAnchors()._renderNavigator()._renderToolbar()\r\n\r\n    if ($scrollElement && hasToolbar) {\r\n      this._updateToolbar({\r\n        top: $scrollElement.scrollTop,\r\n        min: 0,\r\n        max: $scrollElement.scrollHeight\r\n      })\r\n    }\r\n\r\n    this.$emit('mounted')\r\n\r\n    return this\r\n  }\r\n\r\n  refresh() {\r\n    const chapters = this.getChapters()\r\n\r\n    this.anchors.refresh(chapters)\r\n    this.navigator.refresh(chapters)\r\n    this.reader.refresh()\r\n\r\n    return this\r\n  }\r\n\r\n  _renderReader() {\r\n    const option = this.attr('reader')\r\n\r\n    if (!option.target) {\r\n      return this\r\n    }\r\n\r\n    addClass(this.$article, 'outline-article')\r\n\r\n    this.reader = new Reader(option)\r\n\r\n    return this\r\n  }\r\n\r\n  _renderAnchors() {\r\n    const articleElement = this.attr('articleElement')\r\n    const selector = this.attr('selector')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const scrollElement = this.attr('scrollElement')\r\n    const showCode = this.attr('showCode')\r\n    const anchorURL = this.attr('anchorURL')\r\n    const afterScroll = this.attr('afterScroll')\r\n    const chapterTextFilter = this.attr('chapterTextFilter')\r\n\r\n    this.anchors = new Anchors({\r\n      articleElement,\r\n      stickyHeight,\r\n      scrollElement,\r\n      selector,\r\n      showCode,\r\n      anchorURL,\r\n      afterScroll,\r\n      chapterTextFilter\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  _renderNavigator() {\r\n    const title = this.attr('title')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const scrollElement = this.attr('scrollElement')\r\n    const customClass = this.attr('customClass')\r\n    const showCode = this.attr('showCode')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const closeOnClickModal = this.attr('closeOnClickModal')\r\n    const showNavModalFirst = this.attr('showNavModalFirst')\r\n    const position = this.attr('position')\r\n    const placement = this.attr('placement')\r\n    const afterSticky = this.attr('afterSticky')\r\n    const afterToggle = this.attr('afterToggle')\r\n    const afterScroll = this.attr('afterScroll')\r\n    const count = this.count()\r\n    let parentElement = this.attr('parentElement')\r\n    let OPTIONS\r\n\r\n    if (count < 1) {\r\n      return this\r\n    }\r\n\r\n    OPTIONS = {\r\n      scrollElement,\r\n      showCode,\r\n      animationCurrent,\r\n      position,\r\n      title,\r\n      stickyHeight,\r\n      chapters: this.getChapters(),\r\n      afterSticky,\r\n      afterToggle,\r\n      afterScroll\r\n    }\r\n\r\n    if (position === 'relative') {\r\n      this.drawer = new Drawer({\r\n        placement,\r\n        title,\r\n        size: 'tiny',\r\n        hasOffset: true,\r\n        hasPadding: false,\r\n        closeOnClickModal,\r\n        customClass,\r\n        afterClosed: () => {\r\n          const toolbar = this.toolbar\r\n          toolbar.toggle()\r\n        }\r\n      })\r\n      parentElement = this.drawer.$main\r\n\r\n      if (showNavModalFirst) {\r\n        this.drawer.open()\r\n      }\r\n    } else {\r\n      OPTIONS.customClass = customClass\r\n    }\r\n\r\n    OPTIONS.parentElement = parentElement\r\n    this.navigator = new Navigator(OPTIONS)\r\n\r\n    return this\r\n  }\r\n\r\n  _renderToolbar() {\r\n    const position = this.attr('position')\r\n    const hasToolbar = this.attr('hasToolbar')\r\n    const showNavModalFirst = this.attr('showNavModalFirst')\r\n    const placement = this.attr('placement')\r\n    const homepage = this.attr('homepage')\r\n    const git = this.attr('git')\r\n    const tags = this.attr('tags')\r\n    const issues = this.attr('issues')\r\n    const tools = this.attr('tools')\r\n    const option = this.attr('reader')\r\n    const count = this.count()\r\n    const UP = {\r\n      name: 'up',\r\n      icon: 'up',\r\n      size: 20,\r\n      action: {\r\n        context: this,\r\n        handler: this.toTop\r\n      }\r\n    }\r\n    const HOME = {\r\n      name: 'homepage',\r\n      icon: 'homepage',\r\n      size: 20,\r\n      link: homepage\r\n    }\r\n    const GIT = {\r\n      name: 'github',\r\n      icon: 'github',\r\n      size: 20,\r\n      link: git\r\n    }\r\n    const TAGS = {\r\n      name: 'tags',\r\n      icon: 'tags',\r\n      size: 20,\r\n      link: tags\r\n    }\r\n    const ISSUES = {\r\n      name: 'issues',\r\n      icon: 'issues',\r\n      size: 20,\r\n      link: issues\r\n    }\r\n    const MENU = {\r\n      name: 'toggle',\r\n      icon: 'menu',\r\n      size: 18,\r\n      action: {\r\n        context: this,\r\n        handler: this.toggle\r\n      }\r\n    }\r\n    const READING = {\r\n      name: 'reading',\r\n      icon: 'file',\r\n      size: 18,\r\n      action: {\r\n        context: this,\r\n        handler: 'toolbar:action:reading'\r\n      }\r\n    }\r\n    const PRINT = {\r\n      name: 'print',\r\n      icon: 'print',\r\n      size: 20,\r\n      action: {\r\n        handler: 'toolbar:action:print'\r\n      }\r\n    }\r\n    const DOWN = {\r\n      name: 'down',\r\n      icon: 'down',\r\n      size: 20,\r\n      action: {\r\n        context: this,\r\n        handler: this.toBottom\r\n      }\r\n    }\r\n    const buttons = []\r\n\r\n    if (!hasToolbar) {\r\n      return this\r\n    }\r\n\r\n    buttons.push(UP)\r\n    if (count > 0) {\r\n      buttons.push(MENU)\r\n    }\r\n    if (homepage) {\r\n      buttons.push(HOME)\r\n    }\r\n    if (git) {\r\n      buttons.push(GIT)\r\n    }\r\n    if (tags) {\r\n      buttons.push(TAGS)\r\n    }\r\n    if (issues) {\r\n      buttons.push(ISSUES)\r\n    }\r\n    if (option.target) {\r\n      buttons.push(READING)\r\n      if (isFunction(print)) {\r\n        buttons.push(PRINT)\r\n      }\r\n    }\r\n    if (tools?.length > 0) {\r\n      buttons.push(...tools)\r\n    }\r\n    buttons.push(DOWN)\r\n    this.buttons = [...buttons]\r\n\r\n    this.toolbar = new Toolbar({\r\n      placement,\r\n      buttons\r\n    })\r\n\r\n    if (position === 'relative' && showNavModalFirst) {\r\n      this.toolbar.hide()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addButton(button) {\r\n    const toolbar = this.toolbar\r\n    const buttons = this.buttons\r\n    buttons.splice(-1, 0, button)\r\n    toolbar.attr({\r\n      buttons\r\n    })\r\n    toolbar.refresh()\r\n    return this\r\n  }\r\n\r\n  removeButton(name) {\r\n    this.toolbar.remove(name)\r\n    return this\r\n  }\r\n\r\n  _updateToolbar({ top, min, max }) {\r\n    const toolbar = this.toolbar\r\n    const current = Math.ceil(top)\r\n\r\n    if (current <= min) {\r\n      toolbar.hide('up')\r\n      toolbar.show('down')\r\n    } else if (current >= max) {\r\n      toolbar.hide('down')\r\n      toolbar.show('up')\r\n    } else if (current > min && current < max) {\r\n      toolbar.show('up')\r\n      toolbar.show('down')\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toTop() {\r\n    const afterScroll = this.attr('afterScroll')\r\n    const toolbar = this.toolbar\r\n    const navigator = this.navigator\r\n    const count = this.count()\r\n    const afterTop = () => {\r\n      toolbar.hide('up')\r\n      toolbar.show('down')\r\n\r\n      if (count > 0) {\r\n        navigator.highlight(0)\r\n        navigator.playing = false\r\n        scrollTo(navigator.$main, 0)\r\n      }\r\n\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(toolbar, 'up')\r\n      }\r\n    }\r\n\r\n    if (count > 0) {\r\n      navigator.playing = true\r\n    }\r\n    this.scrollTo(0, afterTop)\r\n\r\n    return this\r\n  }\r\n\r\n  toBottom() {\r\n    const afterScroll = this.attr('afterScroll')\r\n    const $scrollElement = this.$scrollElement\r\n    const toolbar = this.toolbar\r\n    const navigator = this.navigator\r\n    const count = this.count()\r\n    const top = Math.floor(\r\n      $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n    )\r\n    const afterDown = () => {\r\n      toolbar.hide('down')\r\n      toolbar.show('up')\r\n\r\n      if (count > 0) {\r\n        navigator.highlight(count - 1)\r\n        scrollTo(navigator.$main, navigator.$main.scrollHeight)\r\n        navigator.playing = false\r\n      }\r\n\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(toolbar, 'bottom')\r\n      }\r\n    }\r\n\r\n    if (count > 0) {\r\n      navigator.playing = true\r\n    }\r\n\r\n    this.scrollTo(top, afterDown)\r\n\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, afterScroll) {\r\n    scrollTo(this.$scrollElement, top, afterScroll)\r\n    return this\r\n  }\r\n\r\n  enterReading() {\r\n    const reader = this.reader\r\n\r\n    if (!reader || reader.reading) {\r\n      return this\r\n    }\r\n\r\n    this.toolbar.toggle()\r\n    reader.enter()\r\n\r\n    return this\r\n  }\r\n\r\n  exitReading() {\r\n    const reader = this.reader\r\n\r\n    if (!reader || !reader.reading) {\r\n      return this\r\n    }\r\n\r\n    this.toolbar.toggle()\r\n    reader.exit()\r\n\r\n    return this\r\n  }\r\n\r\n  switchReading() {\r\n    const reader = this.reader\r\n\r\n    if (!reader) {\r\n      return this\r\n    }\r\n\r\n    reader.toggle()\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const position = this.attr('position')\r\n    const toolbar = this.toolbar\r\n    const drawer = this.drawer\r\n    const navigator = this.navigator\r\n    const count = this.count()\r\n\r\n    if (count < 1) {\r\n      return this\r\n    }\r\n\r\n    if (position !== 'relative') {\r\n      navigator.toggle()\r\n      toolbar.highlight('toggle')\r\n    } else {\r\n      toolbar.toggle()\r\n\r\n      later(() => {\r\n        drawer.toggle()\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  print() {\r\n    this.reader.print()\r\n\r\n    return this\r\n  }\r\n\r\n  _destroy() {\r\n    const count = this.count()\r\n    let anchors = this.anchors\r\n    let navigator = this.navigator\r\n    let drawer = this.drawer\r\n    let reader = this.reader\r\n    let toolbar = this.toolbar\r\n    let isOutside = false\r\n\r\n    this.removeListeners()\r\n\r\n    if (reader) {\r\n      reader.destroy()\r\n    }\r\n\r\n    if (count > 0 && navigator) {\r\n      isOutside = navigator.isOutside()\r\n\r\n      navigator.destroy()\r\n\r\n      if (isOutside && drawer) {\r\n        drawer.destroy()\r\n      }\r\n    }\r\n\r\n    if (anchors) {\r\n      anchors.destroy()\r\n    }\r\n\r\n    if (toolbar) {\r\n      toolbar.destroy()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    this.$emit('beforeDestroy')\r\n\r\n    this._destroy()._default()\r\n\r\n    this.$emit('destroyed')\r\n\r\n    return this\r\n  }\r\n\r\n  onToolbarUpdate({ top, min, max }) {\r\n    this._updateToolbar({ top, min, max })\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const hasToolbar = this.attr('hasToolbar')\r\n\r\n    if (!hasToolbar) {\r\n      return this\r\n    }\r\n\r\n    this.$on('toolbar:update', this.onToolbarUpdate)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const hasToolbar = this.attr('hasToolbar')\r\n\r\n    if (!hasToolbar) {\r\n      return this\r\n    }\r\n\r\n    this.$off('toolbar:update')\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nOutline.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    articleElement: '#article',\r\n    selector: 'h2,h3,h4,h5,h6',\r\n    parentElement: '#aside',\r\n    scrollElement: 'html,body',\r\n    title: '目录',\r\n    position: 'relative',\r\n    placement: 'rtl',\r\n    animationCurrent: true,\r\n    showCode: true,\r\n    hasToolbar: true,\r\n    closeOnClickModal: true,\r\n    showNavModalFirst: false,\r\n    anchorURL: '',\r\n    stickyHeight: 0,\r\n    homepage: '',\r\n    git: '',\r\n    tags: '',\r\n    issues: '',\r\n    tools: [],\r\n    reader: {\r\n      target: '',\r\n      title: '',\r\n      enterReadingTip: '进入阅读模式，按 ESC 键可退出阅读模式',\r\n      allowSpeak: false\r\n    },\r\n    customClass: '',\r\n    afterSticky: null,\r\n    afterToggle: null,\r\n    afterScroll: null,\r\n    chapterTextFilter: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nif (window?.jQuery) {\r\n  const $ = window.jQuery\r\n\r\n  // 将 Outline 扩展为一个 jquery 插件\r\n  // eslint-disable-next-line no-undef\r\n  $.extend($.fn, {\r\n    outline: function (options) {\r\n      // eslint-disable-next-line no-undef\r\n      let $article = $(this)\r\n\r\n      return new Outline(\r\n        // eslint-disable-next-line no-undef\r\n        $.extend({}, options, {\r\n          articleElement: $article\r\n        })\r\n      )\r\n    }\r\n  })\r\n}\r\n\r\nexport default 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（必须）待检测的数据\r\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\r\n */\r\nconst isFunction = (val) => {\r\n  return typeof val === 'function' || toString(val) === '[object Function]'\r\n}\r\n\r\nexport default isFunction\r\n","import isFunction from '../types/isFunction'\r\n\r\n/**\r\n * later - 延迟执行方法\r\n * ========================================================================\r\n * @method later\r\n * @param {Function} fn\r\n * @param {Number} [delay]\r\n * @returns {number|boolean}\r\n */\r\nconst later = (fn, delay = 300) => {\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  return setTimeout(() => {\r\n    fn()\r\n  }, delay)\r\n}\r\n\r\nexport default later\r\n","import toString from '../lang/toString'\r\nimport isFunction from './isFunction'\r\n\r\n/**\r\n * 检测数据是否为 Object 类型\r\n * ========================================================================\r\n * @method isObject\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isObject = (o) => {\r\n  return (\r\n    (toString(o) === '[object Object]' ||\r\n      typeof o === 'object' ||\r\n      isFunction(o)) &&\r\n    o !== null\r\n  )\r\n}\r\n\r\nexport default isObject\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测数据是否为 Array 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isArray = (o) => {\r\n  if (Array.isArray) {\r\n    return Array.isArray(o)\r\n  } else {\r\n    return toString(o) === '[object Array]'\r\n  }\r\n}\r\n\r\nexport default isArray\r\n","import isObject from '../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","/**\r\n * 检测数据是否为 String 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} str\r\n * @returns {boolean}\r\n */\r\nconst isString = (str) => {\r\n  return typeof str === 'string'\r\n}\r\n\r\nexport default isString\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测数据是否为 HTMLElement DOM 节点\r\n * ========================================================================\r\n * @method isElement\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isElement = (o) => {\r\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\r\n}\r\n\r\nexport default isElement\r\n","import isElement from '../types/isElement'\r\n/**\r\n * 检测 DOM 节点是否包含名为 className 的样式\r\n * ========================================================================\r\n * @method hasClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst hasClass = (el, className) => {\r\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\r\n  let allClass\r\n  let classList\r\n\r\n  if (!isElement(el)) {\r\n    return false\r\n  }\r\n\r\n  allClass = el.className\r\n\r\n  if (!allClass) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList && classList.contains) {\r\n    return el.classList.contains(className)\r\n  }\r\n\r\n  return !!pattern.exec(allClass)\r\n}\r\n\r\nexport default hasClass\r\n","import hasClass from './hasClass'\r\n\r\n/**\r\n * 给 DOM 节点添加名为 className 的样式\r\n * ========================================================================\r\n * @method addClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst addClass = (el, className) => {\r\n  let classList\r\n  let allClass\r\n\r\n  if (hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.add) {\r\n    classList.add(className)\r\n  } else {\r\n    allClass = el.className\r\n    allClass += allClass.length > 0 ? ' ' + className : className\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default addClass\r\n","/**\r\n * 返回给定值的平方值\r\n * ========================================================================\r\n * @method easeInQuad\r\n * @param {Number} x\r\n * @returns {number}\r\n */\r\nconst easeInQuad = (x) => {\r\n  return x * x\r\n}\r\n\r\nexport default easeInQuad\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\r\n * ========================================================================\r\n * @method _getScrollElement\r\n * @param {String|HTMLElement} scrollElement\r\n * @returns {Element}\r\n * @private\r\n */\r\nconst _getScrollElement = (scrollElement = null) => {\r\n  let $rootElements\r\n  let $scrollElement\r\n\r\n  if (!scrollElement) {\r\n    $rootElements = document.querySelectorAll('html,body')\r\n    $scrollElement =\r\n      $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\r\n        ? $rootElements[0]\r\n        : $rootElements[1]\r\n  } else {\r\n    if (isString(scrollElement)) {\r\n      $scrollElement = document.querySelector(scrollElement)\r\n    } else if (isElement(scrollElement)) {\r\n      $scrollElement = scrollElement\r\n    }\r\n  }\r\n\r\n  return $scrollElement\r\n}\r\n\r\nexport default _getScrollElement\r\n","import easeInQuad from '../lang/easeInQuad'\r\nimport isFunction from '../types/isFunction'\r\nimport _getScrollElement from './_getScrollElement'\r\n\r\n/**\r\n * 指定 rootElement DOM 节点滚动到指定 top 位置\r\n * ========================================================================\r\n * @method scrollTo\r\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\r\n * @param {Number} top - （必须）滚动的 scrollTop 数值\r\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\r\n */\r\nconst scrollTo = (scrollElement, top, afterStop) => {\r\n  const $scrollElement = _getScrollElement(scrollElement)\r\n  let scrollTop = $scrollElement.scrollTop\r\n  let step = 0\r\n  const distance = top - scrollTop\r\n  const MAX_HEIGHT = $scrollElement.scrollHeight\r\n  const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\r\n  const stop = (top) => {\r\n    if (isFunction(afterStop)) {\r\n      afterStop(top)\r\n    }\r\n\r\n    return false\r\n  }\r\n  const play = () => {\r\n    step += 1\r\n\r\n    // 向上滚动\r\n    if (distance < 0) {\r\n      scrollTop -= easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop <= top) {\r\n        $scrollElement.scrollTop = top\r\n        return stop(top)\r\n      }\r\n    } else {\r\n      scrollTop += easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop >= MAX_TOP) {\r\n        $scrollElement.scrollTop = MAX_TOP\r\n        return stop(MAX_TOP)\r\n      }\r\n    }\r\n\r\n    // eslint-disable-next-line compat/compat\r\n    requestAnimationFrame(play)\r\n  }\r\n\r\n  // eslint-disable-next-line compat/compat\r\n  requestAnimationFrame(play)\r\n}\r\n\r\nexport default scrollTo\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 清楚字符串起始位置所有的空格\r\n * ========================================================================\r\n * @method trim\r\n * @param {string} str\r\n * @returns {string|Boolean}\r\n */\r\nconst trim = (str) => {\r\n  if (!isString(str)) {\r\n    return false\r\n  }\r\n  return str.replace(/(^\\s+)|(\\s+$)/g, '')\r\n}\r\n\r\nexport default trim\r\n","import trim from './utils/lang/trim'\r\nimport stripTags from './utils/lang/stripTags'\r\nimport isFunction from './utils/types/isFunction'\r\n\r\nimport _getChapterParentIdByDiffer from './_getChapterParentIdByDiffer'\r\nimport _getChaptersWithCode from './_getChaptersWithCode'\r\n\r\n/**\r\n * 根据文章中的 h1~h6 标签，自动分析返回文章章节数据\r\n * ========================================================================\r\n * @method getChaptersByHeadings\r\n * @param {Array} headings\r\n * @param {Boolean} [showCode]\r\n * @param {Function} [chapterTextFilter]\r\n * @return {*|*[]}\r\n */\r\nconst getChaptersByHeadings = (\r\n  headings,\r\n  showCode = true,\r\n  chapterTextFilter = null\r\n) => {\r\n  let previous = 1\r\n  let level = 0\r\n  let text = ''\r\n  const chapters = []\r\n\r\n  headings.forEach((heading, i) => {\r\n    const tagName = heading.tagName\r\n    const headingLevel = tagName.replace(/h/i, '')\r\n    let current = parseInt(headingLevel, 10)\r\n    let pid = -1\r\n\r\n    // 场景1：当前标题是前一个标题的子标题\r\n    // 当前标题的（标题标签）序号 > 前一个标题的序号：两个相连的标题是父标题 -> 子标题关系；\r\n    // h2 （前一个标题）\r\n    // h3 （当前标题）\r\n    if (current > previous) {\r\n      level += 1\r\n\r\n      // 第一层级的 pid 是 -1\r\n      if (level === 1) {\r\n        pid = -1\r\n      } else {\r\n        pid = i - 1\r\n      }\r\n    }\r\n    // 场景2：当前标题和前一个标题层级相同\r\n    // 当前标题的（标题标签）序号 = 前一个标题的序号\r\n    // h2 （前一个标题）\r\n    // h2 （当前标题）\r\n    // 当前标题的（标题标签）序号 < 前一个标题的序号，并且当前标题序号 > 当前的级别\r\n    // h2\r\n    // h4 （前一个标题）\r\n    // h3 （当前标题：这种情况我们还是任务 h3 是 h2 的下一级章节）\r\n    else if (current === previous || (current < previous && current > level)) {\r\n      // H1 的层级肯定是 1\r\n      if (current === 1) {\r\n        level = 1\r\n        pid = -1\r\n      } else {\r\n        pid = chapters[i - 1].pid\r\n      }\r\n    }\r\n    // 场景3：当前标题比前一个标题层级高\r\n    else if (current <= level) {\r\n      // H1 的层级肯定是 1\r\n      if (current === 1) {\r\n        level = 1\r\n      } else {\r\n        level = level - (previous - current)\r\n\r\n        if (level <= 1) {\r\n          level = 1\r\n        }\r\n      }\r\n\r\n      // 第一级的标题\r\n      if (level === 1) {\r\n        pid = -1\r\n      } else {\r\n        // 通过当前标题和前一个标题之间的等级差，获得当前标题的父标题ID\r\n        pid = _getChapterParentIdByDiffer(chapters, previous - current, i)\r\n      }\r\n    }\r\n\r\n    previous = current\r\n\r\n    text = stripTags(trim(heading.innerHTML))\r\n\r\n    if (isFunction(chapterTextFilter)) {\r\n      text = chapterTextFilter(text)\r\n    }\r\n\r\n    chapters.push({\r\n      id: i,\r\n      pid: pid,\r\n      level: level,\r\n      rel: `heading-${i}`,\r\n      text,\r\n      tagName\r\n    })\r\n  })\r\n\r\n  return showCode ? _getChaptersWithCode(chapters) : chapters\r\n}\r\n\r\nexport default getChaptersByHeadings\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 过滤所有 HTML 标签\r\n * ========================================================================\r\n * @method stripTags\r\n * @param {string} str\r\n * @returns {string}\r\n */\r\nconst stripTags = (str) => {\r\n  if (!isString(str)) {\r\n    return ''\r\n  }\r\n  return str.replace(/<\\/?[^>]+(>|$)/g, '')\r\n}\r\n\r\nexport default stripTags\r\n","const _getChapterParentIdByDiffer = (chapters, differ, index) => {\r\n  let previous = chapters[index - 1]\r\n  let pid\r\n  let i\r\n\r\n  for (i = 0; i < differ; i += 1) {\r\n    pid = previous.pid\r\n    previous = chapters[pid]\r\n  }\r\n\r\n  pid = previous.pid\r\n\r\n  return pid\r\n}\r\n\r\nexport default _getChapterParentIdByDiffer\r\n","import isArray from './utils/types/isArray'\r\n\r\nconst _getChaptersWithCode = (chapters) => {\r\n  const groups = {}\r\n  const cb = (o) => {\r\n    return [o.pid]\r\n  }\r\n\r\n  chapters.forEach((o) => {\r\n    const group = JSON.stringify(cb(o))\r\n\r\n    groups[group] = groups[group] || []\r\n    groups[group].push(o)\r\n\r\n    o.index = groups[group].length\r\n\r\n    if (o.pid === -1) {\r\n      o.code = String(o.index)\r\n    }\r\n  })\r\n\r\n  Object.keys(groups).forEach((group) => {\r\n    groups[group].forEach((c) => {\r\n      const subjects = groups[`[${c.id}]`]\r\n\r\n      if (!subjects || !isArray(subjects)) {\r\n        return false\r\n      }\r\n\r\n      subjects.forEach((o) => {\r\n        o.code = c.code + '.' + o.index\r\n      })\r\n    })\r\n  })\r\n\r\n  return chapters\r\n}\r\n\r\nexport default _getChaptersWithCode\r\n","import isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport toTree from './utils/lang/toTree'\r\n\r\nimport getChaptersByHeadings from './getChaptersByHeadings'\r\n\r\n/**\r\n *\r\n * @param {Object} [options]\r\n * @param {String|HTMLElement} [options.articleElement]\r\n * @param {String} [options.selector]\r\n * @param {Boolean} [options.showCode]\r\n * @param {Function} [options.chapterTextFilter]\r\n * @param {Boolean} [options.isTreeStructured]\r\n * @returns {Array}\r\n */\r\nconst getChapters = (options) => {\r\n  const {\r\n    articleElement,\r\n    selector,\r\n    showCode,\r\n    chapterTextFilter,\r\n    isTreeStructured\r\n  } = options\r\n  let $article = document.querySelector('#article')\r\n  let $headings = []\r\n  let chapters = []\r\n  let filter = (text) => {\r\n    return text.replace(/\\(.*?\\)/, '()')\r\n  }\r\n\r\n  if (isString(articleElement)) {\r\n    $article = document.querySelector(articleElement)\r\n  } else if (isElement(articleElement)) {\r\n    $article = articleElement\r\n  }\r\n\r\n  if (!$article) {\r\n    return chapters\r\n  }\r\n\r\n  if (isFunction(chapterTextFilter)) {\r\n    filter = chapterTextFilter\r\n  }\r\n\r\n  $headings = [...$article.querySelectorAll(selector || 'h1,h2,h3,h4,h5,h6')]\r\n  chapters = getChaptersByHeadings($headings, showCode || true, filter)\r\n\r\n  return isTreeStructured === true ? toTree(chapters, 'id', 'pid') : chapters\r\n}\r\n\r\nexport default getChapters\r\n","const toTree = (list, nodeKey, parentKey) => {\r\n  const map = {}\r\n  const roots = []\r\n\r\n  list.forEach((item, i) => {\r\n    // initialize the map\r\n    map[item[nodeKey]] = i\r\n    // initialize the children\r\n    item.children = []\r\n  })\r\n\r\n  list.forEach((item) => {\r\n    const node = list[map[item[parentKey]]]\r\n\r\n    if (item[parentKey] !== -1) {\r\n      // if you have dangling branches check that map[node.parentId] exists\r\n      node.children.push(item)\r\n    } else {\r\n      roots.push(item)\r\n    }\r\n  })\r\n\r\n  return roots\r\n}\r\n\r\nexport default toTree\r\n","/**\r\n * 检测对象自身属性中是否具有指定的属性。\r\n * ========================================================================\r\n * @method hasOwn\r\n * @param {Object} obj - （必须）检测的目标对象\r\n * @param {String} prop - （必须）属性名\r\n * @returns {Boolean}\r\n */\r\nconst hasOwn = (obj, prop) => {\r\n  const hasOwnProperty = Object.prototype.hasOwnProperty\r\n  return obj && hasOwnProperty.call(obj, prop)\r\n}\r\n\r\nexport default hasOwn\r\n","import hasOwn from './hasOwn'\r\n\r\n/**\r\n * 扩展对象\r\n * ========================================================================\r\n * @method extend\r\n * @param {Object} origin\r\n * @param {Object} source\r\n */\r\nconst extend = (origin, source) => {\r\n  const keys = Object.keys(source)\r\n\r\n  keys.forEach((prop) => {\r\n    if (hasOwn(source, prop)) {\r\n      origin[prop] = source[prop]\r\n    }\r\n  })\r\n}\r\n\r\nexport default extend\r\n","/**\r\n * 存储订阅者（主题和处理器的）私有对象\r\n * ========================================================================\r\n * @type {{}}\r\n * @private\r\n */\r\nconst _subscribers = {}\r\n\r\nexport default _subscribers\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\r\n * ========================================================================\r\n * @method _hasDirectSubscribersFor\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasDirectSubscribersFor = (topic) => {\r\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\r\n}\r\n\r\nexport default _hasDirectSubscribersFor\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\nimport _hasSubscribers from './_hasSubscribers'\r\n\r\n/**\r\n * 判断是否存在包含 topic 指定的订阅者信息\r\n * ========================================================================\r\n * @method has\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\r\n * @returns {Boolean}\r\n */\r\nconst has = (topic, isDirect = true) => {\r\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\r\n}\r\n\r\nexport default has\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * 判断是否存在包含给定 topic 相关的订阅者信息\r\n * ========================================================================\r\n * @method _hasSubscribers\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasSubscribers = (topic) => {\r\n  let found = _hasDirectSubscribersFor(topic)\r\n  let position = topic.lastIndexOf('.')\r\n\r\n  while (!found && position !== -1) {\r\n    topic = topic.substring(0, position)\r\n    position = topic.lastIndexOf('.')\r\n    found = _hasDirectSubscribersFor(topic)\r\n  }\r\n\r\n  return found\r\n}\r\n\r\nexport default _hasSubscribers\r\n","import isTypedArray from '../types/isTypedArray'\r\nimport _subscribers from './_subscribers'\r\nimport has from './has'\r\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * （异步）发布订阅主题信息\r\n * ========================================================================\r\n * 主题默认是异步发布的。确保在消费者处理主题时，主题的发起者不会被阻止。\r\n * ========================================================================\r\n * @method emit\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Object} [data] - （可选）数据对象\r\n * @param {Boolean} [async] - (可选) 是否异步发布\r\n */\r\nconst emit = (topic, data, async = true) => {\r\n  const execute = (topic) => {\r\n    if (!_hasDirectSubscribersFor(topic)) {\r\n      return false\r\n    }\r\n\r\n    _subscribers[topic].forEach((subscriber) => {\r\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\r\n      // 采用 toString() 方法转化为普通（JSON）字符串\r\n      const message = isTypedArray(data) ? data.toString() : data\r\n\r\n      subscriber.callback.call(subscriber.context || subscriber, message)\r\n    })\r\n  }\r\n  const deliver = () => {\r\n    let subscriber = topic\r\n    let position = topic.lastIndexOf('.')\r\n\r\n    while (position !== -1) {\r\n      subscriber = subscriber.substring(0, position)\r\n      position = subscriber.lastIndexOf('.')\r\n\r\n      execute(subscriber)\r\n    }\r\n\r\n    // 执行 topic 对应的处理器\r\n    execute(topic)\r\n    // 执行特殊 topic：'*'（监听全部消息的发布）\r\n    execute('*')\r\n  }\r\n\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (async) {\r\n    setTimeout(deliver, 10)\r\n  } else {\r\n    deliver()\r\n  }\r\n}\r\n\r\nexport default emit\r\n","import toString from '../lang/toString'\r\n/**\r\n * 判断检测数据是否为 Typed Arrays 类型的数据\r\n * ========================================================================\r\n * @param {*} val\r\n * @returns {boolean}\r\n */\r\nconst isTypedArray = (val) => {\r\n  const TYPES = [\r\n    '[object Int8Array]',\r\n    '[object Uint8Array]',\r\n    '[object Uint8ClampedArray]',\r\n    '[object Int16Array]',\r\n    '[object Uint16Array]',\r\n    '[object Int32Array]',\r\n    '[object Uint32Array]',\r\n    '[object Float32Array]',\r\n    '[object Float64Array]',\r\n    '[object BigInt64Array]',\r\n    '[object BigUint64Array]'\r\n  ]\r\n\r\n  return TYPES.indexOf(toString(val)) > -1\r\n}\r\n\r\nexport default isTypedArray\r\n","/**\r\n * 生成唯一 id 字符串的函数\r\n * ========================================================================\r\n * @method guid\r\n * @param {String} [prefix] - 生成 id 的前缀字符串\r\n * @return {String} 返回一个表示唯一 id 的字符串\r\n */\r\nconst guid = (() => {\r\n  let uuid = 0\r\n\r\n  return (prefix) => {\r\n    uuid += 1\r\n\r\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\r\n  }\r\n})()\r\n\r\nexport default guid\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 删除与给定 topic 相同的订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriber\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _removeSubscriber = (topic) => {\r\n  if (!hasOwn(_subscribers, topic)) {\r\n    return false\r\n  }\r\n\r\n  delete _subscribers[topic]\r\n}\r\n\r\nexport default _removeSubscriber\r\n","import has from './has'\r\nimport _removeSubscriber from './_removeSubscriber'\r\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\r\n\r\n/**\r\n * 取消订阅主题\r\n * ========================================================================\r\n * @method off\r\n * @param {String} topic - （必须）订阅的主题\r\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\r\n */\r\nconst off = (topic, token) => {\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (token) {\r\n    _removeSubscriberByToken(token)\r\n  } else {\r\n    _removeSubscriber(topic)\r\n  }\r\n}\r\n\r\nexport default off\r\n","import _subscribers from './_subscribers'\r\nimport _removeSubscriber from './_removeSubscriber'\r\n\r\n/**\r\n * 通过订阅者 token 值删除订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriberByToken\r\n * @param {String} token - 订阅者 token 字符串\r\n * @returns {boolean}\r\n * @private\r\n */\r\nconst _removeSubscriberByToken = (token) => {\r\n  const keys = Object.keys(_subscribers)\r\n  let index = -1\r\n\r\n  if (!token || keys.length < 1) {\r\n    return false\r\n  }\r\n\r\n  keys.forEach((subject) => {\r\n    const subscriber = _subscribers[subject]\r\n    let topic\r\n\r\n    subscriber.forEach((execution, j) => {\r\n      if (execution.callback === token || execution.token === token) {\r\n        topic = execution.topic\r\n        subscriber.splice(index, j)\r\n      }\r\n    })\r\n\r\n    /* istanbul ignore else */\r\n    if (subscriber.length < 1) {\r\n      _removeSubscriber(topic)\r\n    }\r\n  })\r\n}\r\n\r\nexport default _removeSubscriberByToken\r\n","import 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  refresh() {\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    let attrs = this.attr()\r\n\r\n    if (options) {\r\n      attrs = this.attr(options)\r\n    }\r\n\r\n    this.destroy().initialize(attrs)\r\n\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'\r\nimport isFunction from '../types/isFunction'\r\nimport guid from '../lang/guid'\r\n\r\n/**\r\n * 订阅主题，并给出处理器函数\r\n * ========================================================================\r\n * @method on\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Function} handler - （必须）主题的处理器函数\r\n * @param {Object} [context] - （可选）指定 this 执行上下文\r\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\r\n */\r\nconst on = (topic, handler, context = null) => {\r\n  const token = guid()\r\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\r\n\r\n  if (!isFunction(handler)) {\r\n    return ''\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (!_subscribers[subject]) {\r\n    _subscribers[subject] = []\r\n  }\r\n\r\n  _subscribers[subject].push({\r\n    topic: subject,\r\n    callback: handler,\r\n    context,\r\n    token\r\n  })\r\n\r\n  return token\r\n}\r\n\r\nexport default on\r\n","/**\r\n * timeSlice.js 时间切片功能函数\r\n * ====================================================\r\n * Created By: Yaohaixiao\r\n * Update: 2023.09.04\r\n */\r\nimport isFunction from '../types/isFunction'\r\nimport later from './later'\r\n\r\nconst queue = []\r\nlet isHandling\r\nlet done\r\n\r\n// Shim from https://developers.google.com/web/updates/2015/08/using-requestidlecallback\r\nif (typeof window.requestIdleCallback === 'undefined') {\r\n  window.requestIdleCallback = function (cb) {\r\n    const start = Date.now()\r\n    return later(function () {\r\n      cb({\r\n        didTimeout: false,\r\n        timeRemaining: function () {\r\n          return Math.max(0, 50 - (Date.now() - start))\r\n        }\r\n      })\r\n    }, 10)\r\n  }\r\n\r\n  window.cancelIdleCallback = function (id) {\r\n    clearTimeout(id)\r\n  }\r\n}\r\n\r\nfunction runIdle(idleDeadline) {\r\n  while (idleDeadline.timeRemaining() > 0 && queue.length) {\r\n    const fn = queue.shift()\r\n\r\n    if (!isFunction(fn)) {\r\n      return false\r\n    }\r\n\r\n    fn()\r\n  }\r\n\r\n  if (queue.length) {\r\n    isHandling = requestIdleCallback(runIdle)\r\n  } else {\r\n    isHandling = 0\r\n\r\n    if (isFunction(done)) {\r\n      done()\r\n      done = null\r\n    }\r\n  }\r\n}\r\n\r\n/**\r\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\r\n * 多个短时间任务\r\n * ====================================================\r\n * @param {Function} fn - 需要在空闲时执行的回调函数\r\n * @param {Function} afterComplete - queen 的\r\n * @return {(function(): (boolean|undefined))|*|boolean}\r\n */\r\nconst timeSlice = (fn, afterComplete = null) => {\r\n  queue.push(fn)\r\n\r\n  if (isFunction(afterComplete)) {\r\n    done = afterComplete\r\n  }\r\n\r\n  if (!isHandling) {\r\n    requestIdleCallback(runIdle)\r\n  }\r\n}\r\n\r\nexport default timeSlice\r\n","/**\r\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\r\n * ========================================================================\r\n * @method offsetTop\r\n * @param {HTMLElement} el - DOM 节点\r\n * @returns {Number}\r\n */\r\nconst offsetTop = (el) => {\r\n  let top = el.offsetTop\r\n\r\n  if (el.offsetParent !== null) {\r\n    top += offsetTop(el.offsetParent)\r\n  }\r\n\r\n  return top\r\n}\r\n\r\nexport default offsetTop\r\n","/**\r\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\r\n * ========================================================================\r\n * Element.matches() 方法可以用来判断 DOM 元素是否与给定的选择器匹配，事件代理判断是\r\n * 否触发绑定的代理事件回调函数，关键就是使用 Element.matches() 辨别当前事件触发的目\r\n * 标 DOM 元素是否为事件代理所期望触发的目标。\r\n * ========================================================================\r\n * @method matches\r\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\r\n * @returns {Boolean}\r\n */\r\nconst matches = (el, selector = '') => {\r\n  const sel = selector.replace(/^>/i, '')\r\n\r\n  if (!selector || !sel || !el) {\r\n    return false\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (el.matches) {\r\n    return el.matches(sel)\r\n  } else if (el.msMatchesSelector) {\r\n    return el.msMatchesSelector(sel)\r\n  } else {\r\n    return false\r\n  }\r\n}\r\n\r\nexport default matches\r\n","/**\r\n * 获取 DOM 元素的父节点\r\n * ========================================================================\r\n * @method getParentOrHost\r\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\r\n * @returns {*|HTMLElement}\r\n */\r\nconst getParentOrHost = (el) => {\r\n  return el.host && el !== document && el.host.nodeType\r\n    ? el.host\r\n    : el.parentNode\r\n}\r\n\r\nexport default getParentOrHost\r\n","export const CAPTURE_EVENTS = [\r\n  'focusout',\r\n  'blur',\r\n  'focusin',\r\n  'focus',\r\n  'load',\r\n  'unload',\r\n  'mouseenter',\r\n  'mouseleave'\r\n]\r\n","import { CAPTURE_EVENTS } from './enum'\r\nimport _delete from './_delete'\r\n\r\n/**\r\n * （私有方法）取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method _off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} fn - （必须）事件处理器回调函数\r\n * @private\r\n */\r\nconst _off = (el, type, fn) => {\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  /* istanbul ignore else */\r\n  if (fn._delegateListener) {\r\n    fn = fn._delegateListener\r\n    delete fn._delegateListener\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  _delete(el, type, fn)\r\n\r\n  el.removeEventListener(type, fn, capture)\r\n}\r\n\r\nexport default _off\r\n","/**\r\n * 删除 DOM 元素缓存的 _listeners 数据\r\n * ========================================================================\r\n * @method _delete\r\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\r\n * @param {String} type - 事件类型（名称）\r\n * @param {Function} [fn] - 事件处理器回调函数\r\n */\r\nconst _delete = function (el, type, fn) {\r\n  const listeners = el._listeners\r\n  let index = -1\r\n\r\n  if (listeners.length < 1) {\r\n    return false\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  listeners.forEach((listener, i) => {\r\n    const handler = listener.fn\r\n\r\n    if (type === listener.type) {\r\n      index = i\r\n\r\n      if (handler === fn) {\r\n        index = i\r\n      }\r\n    }\r\n  })\r\n\r\n  /* istanbul ignore else */\r\n  if (index > -1) {\r\n    listeners.splice(index, 1)\r\n  }\r\n}\r\n\r\nexport default _delete\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport getListeners from './getListeners'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 销毁（type 类型的）代理事件绑定\r\n * ========================================================================\r\n * 1. 设置了事件类型 type，则销毁指定类型的事件绑定，否则清除所有代理事件绑定\r\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\r\n * ========================================================================\r\n * @method purgeElement\r\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\r\n * @param {String|Boolean} type - （必须）事件类型\r\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\r\n */\r\nconst purgeElement = function (el, type, recurse = false) {\r\n  const $element = isString(el) ? document.querySelector(el) : el\r\n  const $children = $element.childNodes\r\n  const listeners = getListeners($element, type)\r\n\r\n  listeners.forEach((listener) => {\r\n    _off($element, listener.type, listener.fn)\r\n  })\r\n\r\n  if (\r\n    (recurse || type === true || arguments.length === 1) &&\r\n    $element &&\r\n    $children\r\n  ) {\r\n    $children.forEach(($child) => {\r\n      if (isElement($child)) {\r\n        purgeElement($child, type, recurse)\r\n      }\r\n    })\r\n  }\r\n}\r\n\r\nexport default purgeElement\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 获取 DOM 元素（type 事件类型）事件绑定信息\r\n * ========================================================================\r\n * 如果设置了事件类型 type， 则返回指定类型的事件绑定信息，否则返回所有事件绑定信息\r\n * ========================================================================\r\n * @methods getListeners\r\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\r\n * @param {String} [type] - （可选）事件类型\r\n * @returns {Array} - 已绑定的事件信息\r\n */\r\nconst getListeners = (el, type) => {\r\n  let listeners = el._listeners || []\r\n\r\n  if (isString(type) && type) {\r\n    listeners = listeners.filter((listener) => {\r\n      return listener.type === type\r\n    })\r\n  }\r\n\r\n  return listeners\r\n}\r\n\r\nexport default getListeners\r\n","import purgeElement from './purgeElement'\r\nimport isFunction from '../types/isFunction'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method off\r\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} [fn] - （可选）事件处理器回调函数\r\n */\r\nconst off = (el, type, fn) => {\r\n  // 如果不设置 fn 参数，默认清除 el 元素上绑定的所有事件处理器\r\n  if (!isFunction(fn)) {\r\n    purgeElement(el, type)\r\n    return false\r\n  }\r\n\r\n  _off(el, type, fn)\r\n}\r\n\r\nexport default off\r\n","import closest from '../dom/closest'\r\nimport off from './off'\r\nimport getTarget from './getTarget'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定代理事件\r\n * ========================================================================\r\n * @method on\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （可选） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst on = (el, selector, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  const listener = function (evt) {\r\n    const target = getTarget(evt)\r\n    // 通过 Element.matches 方法获得点击的目标元素\r\n    const delegateTarget = closest(target, selector, el)\r\n    let overrideContext = context || el\r\n\r\n    evt.delegateTarget = delegateTarget\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (delegateTarget) {\r\n      // 仅触发一次\r\n      /* istanbul ignore else */\r\n      if (once === true) {\r\n        off(el, type, listener)\r\n      }\r\n\r\n      fn.call(overrideContext, evt, data)\r\n    }\r\n  }\r\n\r\n  if (!el) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    selector,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default on\r\n","import resolveTextNode from '../dom/resolveTextNode'\r\n\r\n/**\r\n * 返回触发事件的 target DOM 元素\r\n * ========================================================================\r\n * @method getTarget\r\n * @param {Event} evt - Event 对象\r\n * @return {HTMLElement} - Event 对象的 target DOM 元素\r\n */\r\nconst getTarget = function (evt) {\r\n  const target = evt.target\r\n\r\n  return resolveTextNode(target)\r\n}\r\n\r\nexport default getTarget\r\n","/**\r\n * 在某些情况下，某些浏览器（例如：Safari 浏览器）会返回实际的目标元素内部的文本节点。\r\n * resolveTextNode() 方法则会返回实际的目标节点。\r\n * ========================================================================\r\n * @method resolveTextNode\r\n * @param {HTMLElement|Text} el - 要解析的节点\r\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\r\n */\r\nconst resolveTextNode = function (el) {\r\n  if (el && el.nodeType === 3) {\r\n    return el.parentNode\r\n  }\r\n\r\n  return el\r\n}\r\n\r\nexport default resolveTextNode\r\n","import matches from './matches'\r\nimport getParentOrHost from './getParentOrHost'\r\n\r\n/**\r\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\r\n * ========================================================================\r\n * @method closest\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）DOM 元素的选择其\r\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\r\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\r\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\r\n */\r\nconst closest = (el, selector, ctx, includeCTX) => {\r\n  const context = ctx || document\r\n\r\n  if (!el) {\r\n    return null\r\n  }\r\n\r\n  do {\r\n    /* istanbul ignore else */\r\n    if (\r\n      (selector != null &&\r\n        (selector.startsWith('>')\r\n          ? el.parentNode === context && matches(el, selector)\r\n          : matches(el, selector))) ||\r\n      (includeCTX && el === context)\r\n    ) {\r\n      return el\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (el === context) {\r\n      break\r\n    }\r\n\r\n    /* jshint boss:true */\r\n  } while ((el = getParentOrHost(el)))\r\n}\r\n\r\nexport default closest\r\n","/**\r\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\r\n * ========================================================================\r\n * @method stop\r\n * @param {Event} evt - 事件对象\r\n *\r\n * @example\r\n * <div id=\"nav\" class=\"nav\">\r\n *   <a id=\"service\" class=\"anchor\" href=\"https://www.yaohaixiao.com/serivce\">Service</a>\r\n *   <a id=\"help\" class=\"anchor\" href=\"https://www.yaohaixiao.com/help\">Help</a>\r\n * </div>\r\n *\r\n * const $nav = document.querySelector('#nav')\r\n * const $service = document.querySelector('.anchor')\r\n *\r\n * on($nav, 'click', function(evt) {\r\n *   console.log('你点击了导航栏')\r\n * })\r\n *\r\n * on($anchor, 'click', function(evt) {\r\n *   console.log('tagName', this.tagName)\r\n *\r\n *   // 工作台输出：'a'\r\n *   // 不会触发事件冒泡，输出：'你点击了导航栏'\r\n *   // 也不会切换到 href 属性的页面，阻止了点击链接的默认行为\r\n *   stopEvent(evt)\r\n * })\r\n */\r\nconst stop = function (evt) {\r\n  evt.stopPropagation()\r\n  evt.preventDefault()\r\n}\r\n\r\nexport default stop\r\n","import DEFAULTS from './defaults'\r\n\r\nconst SYMBOLS = [...DEFAULTS]\r\n\r\nexport default SYMBOLS\r\n","const DEFAULTS = [\r\n  '<symbol id=\"outline-icon-up\" viewBox=\"0 0 1024 1024\"><path d=\"M494.784 261.696c0.832-0.448 1.536-1.216 2.368-1.536a38.72 38.72 0 0 1 46.08 8.256l277.824 302.272a41.92 41.92 0 0 1-1.536 58.048 39.104 39.104 0 0 1-56.448-1.6L513.728 355.904 260.736 626.048a39.104 39.104 0 0 1-56.448 1.088 41.6 41.6 0 0 1-1.088-57.984L483.84 269.696c0.512-0.512 1.344-0.768 1.92-1.408l1.088-1.344c2.368-2.496 5.312-3.648 8-5.248z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-down\" viewBox=\"0 0 1024 1024\"><path d=\"M494.784 762.304c0.832 0.448 1.536 1.216 2.368 1.536 15.232 7.488 33.92 4.992 46.08-8.256l277.824-302.272a41.92 41.92 0 0 0-1.536-58.048 39.104 39.104 0 0 0-56.448 1.6l-249.344 271.232-252.992-270.144a39.104 39.104 0 0 0-56.448-1.088 41.6 41.6 0 0 0-1.088 57.984l280.576 299.456c0.512 0.512 1.344 0.768 1.92 1.408l1.088 1.344c2.368 2.496 5.312 3.648 8 5.248z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-menu\" viewBox=\"0 0 1024 1024\"><path d=\"M320 256h640V128H320zM320 576h640V448H320zM320 896h640v-128H320zM64 256h128V128H64zM64 576h128V448H64zM64 896h128v-128H64z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-file\" viewBox=\"0 0 1024 1024\"><path d=\"M320 640h256v128H320z\"></path><path d=\"M320 448h384v128H320z\"></path><path d=\"M640 0l320 320v557.696C960 958.528 909.824 1024 848 1024H176C114.176 1024 64 958.528 64 877.696V146.304C64 65.472 114.176 0 176 0H640z m0 128H192v768h640V320h-192V128z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-hash\" viewBox=\"0 0 24 24\"><path d=\"M14.216 10l-0.444 4h-3.988l0.444-4zM15.006 2.89l-0.568 5.11h-3.988l0.543-4.89c0.061-0.549-0.335-1.043-0.883-1.104s-1.043 0.335-1.104 0.884l-0.568 5.11h-4.438c-0.552 0-1 0.448-1 1s0.448 1 1 1h4.216l-0.444 4h-3.772c-0.552 0-1 0.448-1 1s0.448 1 1 1h3.549l-0.543 4.89c-0.061 0.549 0.335 1.043 0.883 1.104s1.043-0.335 1.104-0.883l0.569-5.111h3.988l-0.543 4.89c-0.061 0.549 0.335 1.043 0.883 1.104s1.043-0.335 1.104-0.883l0.568-5.111h4.438c0.552 0 1-0.448 1-1s-0.448-1-1-1h-4.216l0.444-4h3.772c0.552 0 1-0.448 1-1s-0.448-1-1-1h-3.549l0.543-4.89c0.061-0.549-0.335-1.043-0.883-1.104s-1.043 0.335-1.104 0.883z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-close\" viewBox=\"0 0 1024 1024\"><path d=\"M536.96 491.648L310.592 265.344a32 32 0 1 0-45.248 45.248L491.584 536.96l-226.304 226.304a32 32 0 0 0 45.312 45.248l226.24-226.304 226.304 226.304a32 32 0 0 0 45.248-45.248L582.144 536.896l226.304-226.24a32 32 0 0 0-45.248-45.248L536.896 491.584z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-homepage\" viewBox=\"0 0 26 28\"><path d=\"M22 15.5v7.5c0 0.547-0.453 1-1 1h-6v-6h-4v6h-6c-0.547 0-1-0.453-1-1v-7.5c0-0.031 0.016-0.063 0.016-0.094l8.984-7.406 8.984 7.406c0.016 0.031 0.016 0.063 0.016 0.094zM25.484 14.422l-0.969 1.156c-0.078 0.094-0.203 0.156-0.328 0.172h-0.047c-0.125 0-0.234-0.031-0.328-0.109l-10.813-9.016-10.813 9.016c-0.109 0.078-0.234 0.125-0.375 0.109-0.125-0.016-0.25-0.078-0.328-0.172l-0.969-1.156c-0.172-0.203-0.141-0.531 0.063-0.703l11.234-9.359c0.656-0.547 1.719-0.547 2.375 0l3.813 3.187v-3.047c0-0.281 0.219-0.5 0.5-0.5h3c0.281 0 0.5 0.219 0.5 0.5v6.375l3.422 2.844c0.203 0.172 0.234 0.5 0.063 0.703z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-github\" viewBox=\"0 0 24 28\"><path d=\"M12 2c6.625 0 12 5.375 12 12 0 5.297-3.437 9.797-8.203 11.391-0.609 0.109-0.828-0.266-0.828-0.578 0-0.391 0.016-1.687 0.016-3.297 0-1.125-0.375-1.844-0.812-2.219 2.672-0.297 5.484-1.313 5.484-5.922 0-1.313-0.469-2.375-1.234-3.219 0.125-0.313 0.531-1.531-0.125-3.187-1-0.313-3.297 1.234-3.297 1.234-0.953-0.266-1.984-0.406-3-0.406s-2.047 0.141-3 0.406c0 0-2.297-1.547-3.297-1.234-0.656 1.656-0.25 2.875-0.125 3.187-0.766 0.844-1.234 1.906-1.234 3.219 0 4.594 2.797 5.625 5.469 5.922-0.344 0.313-0.656 0.844-0.766 1.609-0.688 0.313-2.438 0.844-3.484-1-0.656-1.141-1.844-1.234-1.844-1.234-1.172-0.016-0.078 0.734-0.078 0.734 0.781 0.359 1.328 1.75 1.328 1.75 0.703 2.141 4.047 1.422 4.047 1.422 0 1 0.016 1.937 0.016 2.234 0 0.313-0.219 0.688-0.828 0.578-4.766-1.594-8.203-6.094-8.203-11.391 0-6.625 5.375-12 12-12zM4.547 19.234c0.031-0.063-0.016-0.141-0.109-0.187-0.094-0.031-0.172-0.016-0.203 0.031-0.031 0.063 0.016 0.141 0.109 0.187 0.078 0.047 0.172 0.031 0.203-0.031zM5.031 19.766c0.063-0.047 0.047-0.156-0.031-0.25-0.078-0.078-0.187-0.109-0.25-0.047-0.063 0.047-0.047 0.156 0.031 0.25 0.078 0.078 0.187 0.109 0.25 0.047zM5.5 20.469c0.078-0.063 0.078-0.187 0-0.297-0.063-0.109-0.187-0.156-0.266-0.094-0.078 0.047-0.078 0.172 0 0.281s0.203 0.156 0.266 0.109zM6.156 21.125c0.063-0.063 0.031-0.203-0.063-0.297-0.109-0.109-0.25-0.125-0.313-0.047-0.078 0.063-0.047 0.203 0.063 0.297 0.109 0.109 0.25 0.125 0.313 0.047zM7.047 21.516c0.031-0.094-0.063-0.203-0.203-0.25-0.125-0.031-0.266 0.016-0.297 0.109s0.063 0.203 0.203 0.234c0.125 0.047 0.266 0 0.297-0.094zM8.031 21.594c0-0.109-0.125-0.187-0.266-0.172-0.141 0-0.25 0.078-0.25 0.172 0 0.109 0.109 0.187 0.266 0.172 0.141 0 0.25-0.078 0.25-0.172zM8.937 21.438c-0.016-0.094-0.141-0.156-0.281-0.141-0.141 0.031-0.234 0.125-0.219 0.234 0.016 0.094 0.141 0.156 0.281 0.125s0.234-0.125 0.219-0.219z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-issues\" viewBox=\"0 0 24 28\"><path d=\"M25.5 15c0 0.547-0.453 1-1 1h-3.5c0 1.953-0.422 3.422-1.047 4.531l3.25 3.266c0.391 0.391 0.391 1.016 0 1.406-0.187 0.203-0.453 0.297-0.703 0.297s-0.516-0.094-0.703-0.297l-3.094-3.078s-2.047 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255.984001z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-warning\" viewBox=\"0 0 1024 1024\"><path d=\"M512 639.704018a95.994 95.994 0 0 1-95.994-95.994V95.994a95.994 95.994 0 0 1 191.988 0v447.716018a95.994 95.994 0 0 1-95.994 95.994z m0 128.375977A127.992 127.992 0 1 1 512 1023.936004a127.992 127.992 0 0 1 0-255.984001z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-error\" viewBox=\"0 0 1024 1024\"><path d=\"M512.64 376.96L263.744 128 128 263.744l248.96 248.96L128 761.472l135.744 135.808 248.96-248.96 248.832 248.96 135.808-135.808-248.96-248.896 248.96-248.896L761.536 128 512.64 376.96z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-success\" viewBox=\"0 0 1024 1024\"><path d=\"M426.368 580.864l-226.56-226.56L64 489.984l362.048 362.112 0.32-0.32 0.32 0.32 588.288-588.352L879.36 128 426.304 580.864z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-circle-info\" viewBox=\"0 0 1024 1024\"><path d=\"M512 810.666667s-42.666667 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1-1.536-45.248z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-circle-success\" viewBox=\"0 0 1024 1024\"><path d=\"M512 0C228.949333 0 0 228.949333 0 512s228.949333 512 512 512 512-228.949333 512-512S794.325333 0 512 0z m0 950.869333C269.909333 950.869333 73.130667 754.090667 73.130667 512 73.130667 269.909333 269.909333 73.130667 512 73.130667c242.090667 0 438.869333 196.778667 438.869333 438.869333 0 242.090667-196.778667 438.869333-438.869333 438.869333z\"></path><path d=\"M737.834667 353.834667a42.666667 42.666667 0 0 1 63.872 56.32l-3.541334 4.010666L486.997333 725.333333a85.333333 85.333333 0 0 1-115.242666 4.992L366.336 725.333333l-140.501333-140.501333a42.666667 42.666667 0 0 1 56.32-63.872l4.010666 3.541333L426.666667 665.002667l311.168-311.168z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-sound\" viewBox=\"0 0 16 16\"><path d=\"M12.757 4.708c-0.406 0.405-1.062 0.405-1.468 0s-0.405-1.062 0-1.468l2.935-2.935c0.406-0.405 1.062-0.405 1.468 0 0.405 0.405 0.405 1.062 0 1.468l-2.935 2.935zM7.996 15.991l-3.996-3.996h-2.997c-0.552 0-0.999-0.447-0.999-0.999v-5.994c0-0.552 0.447-0.999 0.999-0.999h2.997l3.996-3.996c0 0 0.999-0.125 0.999 0.999 0 5.976 0 14.966 0 13.985 0 1.124-0.999 0.999-0.999 0.999zM6.997 4.004l-1.998 1.998h-2.997v3.996h2.997l1.998 1.998v-7.992zM11.992 8.999c-0.552 0-0.999-0.447-0.999-0.999s0.447-0.999 0.999-0.999h2.997c0.552 0 0.999 0.447 0.999 0.999s-0.447 0.999-0.999 0.999h-2.997zM12.757 11.292l2.935 2.935c0.405 0.406 0.405 1.063 0 1.468s-1.062 0.405-1.468 0l-2.935-2.935c-0.405-0.406-0.405-1.063 0-1.468s1.062-0.405 1.468 0z\"></path></symbol>'\r\n]\r\n\r\nexport default DEFAULTS\r\n","import isString from '../types/isString'\r\nimport getSymbol from './getSymbol'\r\nimport SYMBOLS from './symbols'\r\n\r\n/**\r\n *\r\n * @method getSymbols\r\n * @param {String} [name]\r\n * @param {String} [iconSet]\r\n * @returns {string[]|*}\r\n */\r\nconst getSymbols = (name, iconSet = 'icon') => {\r\n  if (isString(name)) {\r\n    return getSymbol(name, iconSet)\r\n  }\r\n\r\n  return [...SYMBOLS]\r\n}\r\n\r\nexport default getSymbols\r\n","import SYMBOLS from './symbols'\r\n\r\n/**\r\n * @method getSymbol\r\n * @param {String} name\r\n * @param {String} [iconSet]\r\n * @returns {String}\r\n */\r\nconst getSymbol = (name, iconSet = 'icon') => {\r\n  const patternName = /id=\"(.*?)\"/\r\n  const patternSet = /^(\\w+)-/\r\n  const symbols = SYMBOLS\r\n\r\n  return symbols.find((symbol) => {\r\n    const names = patternName.exec(symbol)\r\n    const fullName = names[1]\r\n    const sets = patternSet.exec(fullName)\r\n    const setName = sets[1]\r\n    const iconName =\r\n      iconSet === 'icon' ? `${iconSet}-${name}` : `${iconSet}-icon-${name}`\r\n\r\n    return setName === iconSet && fullName === iconName\r\n  })\r\n}\r\n\r\nexport default getSymbol\r\n","import add from './add'\r\nimport getSymbols from './getSymbols'\r\n\r\n/**\r\n * 绘制 SVG 图标集\r\n * ========================================================================\r\n * @method paint\r\n * @param {String|Array} symbol\r\n */\r\nconst paint = (symbol = '') => {\r\n  const $body = document.body\r\n  let $icons = document.querySelector('#outline-icons')\r\n  let symbols = []\r\n\r\n  add(symbol)\r\n  symbols = getSymbols()\r\n\r\n  if ($icons) {\r\n    $icons.innerHTML = symbols.join('')\r\n  } else {\r\n    $icons = document.createElement('div')\r\n    $icons.innerHTML =\r\n      `<svg id=\"outline-icons\" aria-hidden=\"true\" style=\"position:absolute;display:none;width:0;height:0;overflow:hidden;\">` +\r\n      `${symbols.join('')}` +\r\n      `</svg>`\r\n    $body.insertBefore($icons.firstChild, $body.firstChild)\r\n  }\r\n}\r\n\r\nexport default paint\r\n","import isArray from '../types/isArray'\r\nimport isString from '../types/isString'\r\nimport SYMBOLS from './symbols'\r\n\r\n/**\r\n * @method add\r\n * @param {Array|String} symbols\r\n * @return {Boolean}\r\n */\r\nconst add = (symbols) => {\r\n  if (!symbols) {\r\n    return false\r\n  }\r\n\r\n  if (isArray(symbols) && symbols.length > 0) {\r\n    symbols.forEach((symbol) => {\r\n      /* istanbul ignore else */\r\n      if (SYMBOLS.indexOf(symbol) === -1 && isString(symbol)) {\r\n        SYMBOLS.push(symbol)\r\n      }\r\n    })\r\n  } else {\r\n    /* istanbul ignore else */\r\n    if (isString(symbols)) {\r\n      SYMBOLS.push(symbols)\r\n    }\r\n  }\r\n}\r\n\r\nexport default add\r\n","import isObject from './isObject'\r\nimport isElement from './isElement'\r\nimport isHTMLCollection from './isHTMLCollection'\r\nimport isFragment from './isFragment'\r\nimport isTextNode from './isTextNode'\r\n\r\nconst isDOM = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (isElement(el) || isHTMLCollection(el) || isFragment(el) || isTextNode(el))\r\n  )\r\n}\r\n\r\nexport default isDOM\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isHTMLCollection = (el) => {\r\n  return !!(isObject(el) && toString(el) === '[object NodeList]')\r\n}\r\n\r\nexport default isHTMLCollection\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isFragment = (fragment) => {\r\n  return !!(\r\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\r\n  )\r\n}\r\n\r\nexport default isFragment\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isTextNode = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (toString(el) === '[object Text]' || (el.tagName && el.nodeType === 3))\r\n  )\r\n}\r\n\r\nexport default isTextNode\r\n","/**\r\n * 给 DOM 节点设置属性/值\r\n * ========================================================================\r\n * @method setAttribute\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} attr - 属性名称\r\n * @param {String|Number|Boolean} value - 属性值\r\n */\r\nconst setAttribute = (el, attr, value) => {\r\n  let tagName = el.tagName.toLowerCase()\r\n\r\n  switch (attr) {\r\n    case 'style':\r\n      el.style.cssText = value\r\n      break\r\n    case 'value':\r\n      if (tagName === 'input' || tagName === 'textarea') {\r\n        el.value = value\r\n      } else {\r\n        el.setAttribute(attr, value)\r\n      }\r\n      break\r\n    case 'htmlFor':\r\n      el.setAttribute('for', value)\r\n      break\r\n    case 'className':\r\n      el.className = value\r\n      break\r\n    case 'innerHTML':\r\n      el.innerHTML = value\r\n      break\r\n    case 'innerText':\r\n      el.innerText = value\r\n      break\r\n    default:\r\n      el.setAttribute(attr, value)\r\n      break\r\n  }\r\n}\r\n\r\nexport default setAttribute\r\n","import isObject from '../types/isObject'\r\nimport hasOwn from '../lang/hasOwn'\r\nimport setAttribute from './setAttribute'\r\n\r\nconst setAttributes = (el, attrs) => {\r\n  if (!el || !isObject(attrs)) {\r\n    return false\r\n  }\r\n\r\n  Object.keys(attrs).forEach((attr) => {\r\n    const value = attrs[attr]\r\n    if (hasOwn(attrs, attr)) {\r\n      setAttribute(el, attr, value)\r\n    }\r\n  })\r\n}\r\n\r\nexport default setAttributes\r\n","import isObject from '../types/isObject'\r\nimport isString from '../types/isString'\r\nimport isArray from '../types/isArray'\r\nimport isDOM from '../types/isDOM'\r\nimport setAttributes from './setAttributes'\r\n\r\n/**\r\n * 创建 DOM 节点，并添加属性和子节点\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} tagName - 标签名称\r\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\r\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (tagName, attrs, children) => {\r\n  const $fragment = document.createDocumentFragment()\r\n  const $el = document.createElement(tagName)\r\n  const isValidChild = (child) => {\r\n    return isDOM(child) || isString(child)\r\n  }\r\n  const append = (child) => {\r\n    let $child\r\n\r\n    if (!isValidChild(child)) {\r\n      return false\r\n    }\r\n\r\n    if (isDOM(child)) {\r\n      $child = child\r\n    } else if (isString(child)) {\r\n      $child = document.createTextNode(child)\r\n    }\r\n\r\n    $fragment.appendChild($child)\r\n  }\r\n\r\n  if (isObject(attrs)) {\r\n    setAttributes($el, attrs)\r\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\r\n    attrs.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else if (isDOM(attrs)) {\r\n    append(attrs)\r\n  } else if (isString(attrs)) {\r\n    append(document.createTextNode(attrs))\r\n  }\r\n\r\n  if (isArray(children)) {\r\n    children.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else {\r\n    append(children)\r\n  }\r\n\r\n  $el.appendChild($fragment)\r\n\r\n  return $el\r\n}\r\n\r\nexport default createElement\r\n","import isArray from '../types/isArray'\r\nimport isString from '../types/isString'\r\nimport isSVG from '../types/isSVG'\r\nimport setAttributes from '../dom/setAttributes'\r\n\r\n/**\r\n * 创建 SVG 图标 DOM 元素\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} name\r\n * @param {Object} [options]\r\n * @param {Number|Array} [options.size]\r\n * @param {String} [options.color]\r\n * @param {String} [options.iconSet]\r\n * @param {Object} [options.attrs]\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (name, options = {}) => {\r\n  const ICON = 'outline-icon'\r\n  const size = options.size || 0\r\n  const color = options.color || ''\r\n  const iconSet = options.iconSet || ''\r\n  const width = isArray(size) ? size[0] : size\r\n  const height = isArray(size) ? size[1] : size\r\n  const defaultRules = size ? `width:${width}px;height:${height}px;` : ''\r\n  const cssRules = color ? defaultRules + `color:${color}` : defaultRules\r\n  const attrs = options.attrs || {}\r\n  const $icon = document.createElement('i')\r\n  let binds = ''\r\n  let svg = ''\r\n  let $svg\r\n\r\n  if (!isString(name)) {\r\n    return null\r\n  }\r\n\r\n  if (isSVG(name)) {\r\n    svg = name\r\n  } else {\r\n    binds =\r\n      iconSet && iconSet !== 'icon'\r\n        ? `xlink:href=\"#${iconSet}-icon-${name}\"`\r\n        : `xlink:href=\"#icon-${name}\"`\r\n    svg = `<svg><use ${binds}></use></svg>`\r\n  }\r\n\r\n  $icon.innerHTML = svg\r\n\r\n  if (attrs.className) {\r\n    attrs.className = `${ICON} ${attrs.className}`\r\n  } else {\r\n    attrs.className = ICON\r\n  }\r\n\r\n  setAttributes($icon, attrs)\r\n\r\n  $svg = $icon.querySelector('svg')\r\n  setAttributes($svg, {\r\n    'aria-hidden': true,\r\n    xmlns: 'http://www.w3.org/2000/svg',\r\n    class: 'outline-icon__svg',\r\n    width: 200,\r\n    height: 200,\r\n    style: cssRules\r\n  })\r\n\r\n  return $icon\r\n}\r\n\r\nexport default createElement\r\n","import isString from './isString'\r\n\r\nconst isSVG = (str) => {\r\n  const declaration = '(?:<\\\\?xml[^>]*>\\\\s*)?'\r\n  const doctype =\r\n    '(?:<\\\\!doctype svg[^>]*\\\\s*(?:\\\\[?(?:\\\\s*<![^>]*>\\\\s*)*\\\\]?)*[^>]*>\\\\s*)?'\r\n  const content = '<svg[^>]*>[^]*<\\\\/svg>\\\\s*$'\r\n  const svg = `^\\\\s*${declaration}${doctype}${content}\\\\s*$`\r\n  const pattern = new RegExp(svg, 'i')\r\n\r\n  return isString(str) && pattern.test(str)\r\n}\r\n\r\nexport default isSVG\r\n","import createElement from './createElement'\r\n\r\n/**\r\n * 创建 SVG 图标 DOM 元素\r\n * ========================================================================\r\n * @method icon\r\n * @alias createElement\r\n * @see createElement\r\n * @param {String} name\r\n * @param {Object} [options]\r\n * @param {Number|Array} [options.size]\r\n * @param {String} [options.color]\r\n * @param {String} [options.iconSet]\r\n * @returns {HTMLElement}\r\n */\r\nconst icon = (name, options = {}) => {\r\n  return createElement(name, options)\r\n}\r\n\r\nexport default icon\r\n","import trim from '../lang/trim'\r\nimport hasClass from './hasClass'\r\n\r\n/**\r\n * 移除 DOM 节点的 className 样式\r\n * ========================================================================\r\n * @method removeClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst removeClass = (el, className) => {\r\n  let allClass = el.className\r\n  let classList\r\n\r\n  if (!allClass || !hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.remove) {\r\n    classList.remove(className)\r\n  } else {\r\n    allClass = trim(allClass.replace(className, ''))\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default removeClass\r\n","import removeClass from './utils/dom/removeClass'\r\nimport isEmpty from './utils/types/isEmpty'\r\nimport trim from './utils/lang/trim'\r\n\r\nconst _removeHeading = ($heading, hasAnchor = true, isAtStart = true) => {\r\n  const CLS_HEADING = 'outline-heading'\r\n  const text = $heading.innerHTML\r\n  const pattern = /^\\d+(\\.?\\d+)*\\s?/gi\r\n  let $anchor\r\n\r\n  $heading.innerHTML = text.replace(pattern, '')\r\n  $heading.removeAttribute('id')\r\n  $heading.removeAttribute('data-id')\r\n\r\n  removeClass($heading, CLS_HEADING)\r\n\r\n  if (!hasAnchor) {\r\n    return false\r\n  }\r\n\r\n  $anchor = $heading.querySelector(`.${CLS_HEADING}__anchor`)\r\n\r\n  if (isAtStart) {\r\n    removeClass($heading, `${CLS_HEADING}_start`)\r\n  }\r\n\r\n  if (isEmpty(trim($heading.className))) {\r\n    $heading.removeAttribute('class')\r\n  }\r\n\r\n  // 存在锚点才移除\r\n  if ($anchor) {\r\n    $heading.removeChild($anchor)\r\n  }\r\n}\r\n\r\nexport default _removeHeading\r\n","import isString from './isString'\r\n/**\r\n * 检测数据是否为空字符串\r\n * ========================================================================\r\n * @method isEmpty\r\n * @param {String} str\r\n * @returns {boolean}\r\n */\r\nconst isEmpty = (str) => {\r\n  return isString(str) && str === ''\r\n}\r\n\r\nexport default isEmpty\r\n","import isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport timeSlice from './utils/lang/timeSlice'\r\nimport later from './utils/lang/later'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport paint from './utils/icons/paint'\r\n\r\nimport _updateHeading from './_updateHeading'\r\nimport _removeHeading from './_removeHeading'\r\nimport getChapters from './getChapters'\r\n\r\nimport Base from './base'\r\n\r\nclass Anchors extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Anchors.DEFAULTS)\r\n\r\n    this.$articleElement = null\r\n    this.$scrollElement = null\r\n    this.$headings = []\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let scrollElement\r\n    let $articleElement\r\n    let articleElement\r\n\r\n    this.attr(options)\r\n\r\n    articleElement = this.attr('articleElement')\r\n    scrollElement = this.attr('scrollElement')\r\n    created = this.attr('created')\r\n\r\n    if (isString(articleElement)) {\r\n      $articleElement = document.querySelector(articleElement)\r\n    } else if (isElement(articleElement)) {\r\n      $articleElement = articleElement\r\n    }\r\n\r\n    if (!$articleElement) {\r\n      return this\r\n    }\r\n\r\n    this.$articleElement = $articleElement\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n    this.$headings = this.getHeadings()\r\n\r\n    if (this.$headings.length < 1) {\r\n      return this\r\n    }\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  getHeadings() {\r\n    const $articleElement = this.$articleElement\r\n    const selector = this.attr('selector')\r\n\r\n    return [...$articleElement.querySelectorAll(selector)]\r\n  }\r\n\r\n  count() {\r\n    return this.getHeadings().length\r\n  }\r\n\r\n  render() {\r\n    const articleElement = this.attr('articleElement')\r\n    const selector = this.attr('selector')\r\n    const showCode = this.attr('showCode') || true\r\n    const chapterTextFilter = this.attr('chapterTextFilter')\r\n    const mounted = this.attr('mounted')\r\n    const chapters = getChapters({\r\n      articleElement,\r\n      selector,\r\n      showCode,\r\n      chapterTextFilter\r\n    })\r\n\r\n    paint()\r\n\r\n    this._paint(chapters)\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this._remove()\r\n\r\n    return this\r\n  }\r\n\r\n  _paint(chapters) {\r\n    const LIMIT = 400\r\n    const hasAnchor = this.attr('hasAnchor')\r\n    const isAtStart = this.attr('isAtStart')\r\n    const showCode = this.attr('showCode')\r\n    const anchorURL = this.attr('anchorURL')\r\n    const count = this.count()\r\n    const $headings = [...this.$headings]\r\n    const update = (headings, group) => {\r\n      headings.forEach(($heading, i) => {\r\n        const id = i + group * LIMIT\r\n        const chapterCode = chapters[id].code\r\n        _updateHeading($heading, id, {\r\n          hasAnchor,\r\n          isAtStart,\r\n          showCode,\r\n          chapterCode,\r\n          anchorURL\r\n        })\r\n      })\r\n    }\r\n    let groupIndex = -1\r\n\r\n    // 针对超长的文章，进行 timeSlice 处理\r\n    if (count > LIMIT) {\r\n      groupIndex += 1\r\n      // 同步绘制 Limit 以内的标题链接（可以确保 50ms 完成绘制）\r\n      update($headings.splice(0, LIMIT), 0)\r\n      // 采用 timeSlice 处理机制绘制剩余的标题\r\n      while ($headings.length > 0) {\r\n        const once = $headings.splice(0, LIMIT)\r\n        timeSlice(\r\n          () => {\r\n            update(once, (groupIndex += 1))\r\n          },\r\n          () => {\r\n            this.$emit('anchors:all:paint')\r\n          }\r\n        )\r\n      }\r\n    } else {\r\n      update($headings, 0)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    const hasAnchor = this.attr('hasAnchor')\r\n    const isAtStart = this.attr('isAtStart')\r\n    const $headings = this.$headings\r\n\r\n    $headings.forEach(($heading) => {\r\n      _removeHeading($heading, hasAnchor, isAtStart)\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  refresh(chapters) {\r\n    const articleElement = this.attr('articleElement')\r\n    const selector = this.attr('selector')\r\n    const showCode = this.attr('showCode') || true\r\n    const chapterTextFilter = this.attr('chapterTextFilter')\r\n\r\n    this.$headings = this.getHeadings()\r\n\r\n    this.erase()._paint(\r\n      chapters ||\r\n        getChapters({\r\n          articleElement,\r\n          selector,\r\n          showCode,\r\n          chapterTextFilter\r\n        })\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onAnchorTrigger(evt) {\r\n    const anchorURL = this.attr('anchorURL')\r\n    const afterScroll = this.attr('afterScroll')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const $heading = $anchor.parentNode\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const $scrollElement = this.$scrollElement\r\n    const min = 0\r\n    const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this, 'anchor')\r\n      }\r\n\r\n      later(() => {\r\n        this.$emit('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.scrollTo(top, after)\r\n\r\n    if (!anchorURL) {\r\n      stop(evt)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $articleElement = this.$articleElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    on(\r\n      $articleElement,\r\n      '.outline-heading__anchor',\r\n      'click',\r\n      this.onAnchorTrigger,\r\n      this,\r\n      true\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $articleElement = this.$articleElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    off($articleElement, 'click', this.onAnchorTrigger)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nAnchors.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    scrollElement: 'html,body',\r\n    articleElement: '#article',\r\n    selector: 'h1,h2,h3,h4,h5,h6',\r\n    stickyHeight: 0,\r\n    anchorURL: '',\r\n    hasAnchor: true,\r\n    isAtStart: true,\r\n    showCode: false,\r\n    created: null,\r\n    mounted: null,\r\n    afterScroll: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null,\r\n    chapterTextFilter: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Anchors\r\n","import trim from './utils/lang/trim'\r\nimport createElement from './utils/dom/createElement'\r\nimport setAttributes from './utils/dom/setAttributes'\r\n\r\nimport icon from './utils/icons/icon'\r\n\r\nconst _updateHeading = ($heading, i, options) => {\r\n  const CLS_HEADING = 'outline-heading'\r\n  const hasAnchor = options.hasAnchor || true\r\n  const isAtStart = options.isAtStart || true\r\n  const showCode = options.showCode || false\r\n  const chapterCode = options.chapterCode || ''\r\n  const anchorURL = options.anchorURL || ''\r\n  const headingId = `heading-${i}`\r\n  const attrs = {\r\n    id: headingId,\r\n    className: isAtStart ? `${CLS_HEADING} ${CLS_HEADING}_start` : CLS_HEADING,\r\n    'data-id': i\r\n  }\r\n  const text = trim($heading.innerHTML)\r\n  let $anchor\r\n  let $icon\r\n\r\n  if (showCode) {\r\n    attrs.innerHTML = chapterCode + ' ' + text\r\n    attrs['data-code'] = chapterCode\r\n  }\r\n  setAttributes($heading, attrs)\r\n\r\n  if (!hasAnchor) {\r\n    return false\r\n  }\r\n\r\n  $icon = icon('hash', { iconSet: 'outline' })\r\n  $anchor = createElement(\r\n    'a',\r\n    {\r\n      id: `anchor-${i}`,\r\n      className: `${CLS_HEADING}__anchor anchor-${i}`,\r\n      href: anchorURL || `#${headingId}`,\r\n      target: anchorURL ? '_blank' : 'self',\r\n      'data-id': i\r\n    },\r\n    $icon\r\n  )\r\n  $heading.appendChild($anchor)\r\n}\r\n\r\nexport default _updateHeading\r\n","// HTML 合法的标签\r\nconst TAGS = [\r\n  'a',\r\n  'abbr',\r\n  'address',\r\n  'area',\r\n  'article',\r\n  'aside',\r\n  'audio',\r\n  'b',\r\n  'base',\r\n  'bdi',\r\n  'bdo',\r\n  'blockquote',\r\n  'body',\r\n  'br',\r\n  'button',\r\n  'canvas',\r\n  'caption',\r\n  'cite',\r\n  'code',\r\n  'col',\r\n  'colgroup',\r\n  'data',\r\n  'datalist',\r\n  'dd',\r\n  'del',\r\n  'details',\r\n  'dfn',\r\n  'dialog',\r\n  'div',\r\n  'dl',\r\n  'dt',\r\n  'em',\r\n  'embed',\r\n  'fieldset',\r\n  'figcaption',\r\n  'figure',\r\n  'footer',\r\n  'form',\r\n  'h1',\r\n  'h2',\r\n  'h3',\r\n  'h4',\r\n  'h5',\r\n  'h6',\r\n  'head',\r\n  'header',\r\n  'hgroup',\r\n  'hr',\r\n  'html',\r\n  'i',\r\n  'iframe',\r\n  'img',\r\n  'input',\r\n  'ins',\r\n  'kbd',\r\n  'label',\r\n  'legend',\r\n  'li',\r\n  'link',\r\n  'main',\r\n  'map',\r\n  'mark',\r\n  'math',\r\n  'menu',\r\n  'menuitem',\r\n  'meta',\r\n  'meter',\r\n  'nav',\r\n  'noscript',\r\n  'object',\r\n  'ol',\r\n  'optgroup',\r\n  'option',\r\n  'output',\r\n  'p',\r\n  'param',\r\n  'picture',\r\n  'pre',\r\n  'progress',\r\n  'q',\r\n  'rb',\r\n  'rp',\r\n  'rt',\r\n  'rtc',\r\n  'ruby',\r\n  's',\r\n  'samp',\r\n  'script',\r\n  'search',\r\n  'section',\r\n  'select',\r\n  'slot',\r\n  'small',\r\n  'source',\r\n  'span',\r\n  'strong',\r\n  'style',\r\n  'sub',\r\n  'summary',\r\n  'sup',\r\n  'svg',\r\n  'table',\r\n  'tbody',\r\n  'td',\r\n  'template',\r\n  'textarea',\r\n  'tfoot',\r\n  'th',\r\n  'thead',\r\n  'time',\r\n  'title',\r\n  'tr',\r\n  'track',\r\n  'u',\r\n  'ul',\r\n  'var',\r\n  'video',\r\n  'wbr'\r\n]\r\n\r\nexport default TAGS\r\n","import isString from './isString'\r\nimport trim from '../lang/trim'\r\nimport TAGS from './tags'\r\n\r\n/**\r\n * 检测测试数据是否为合法的 HTML 代码\r\n * ========================================================================\r\n * @method isHTML\r\n * @category Lang\r\n * @see https://github.com/sindresorhus/html-tags\r\n * @see https://github.com/sindresorhus/is-html\r\n * @param {String} str - 要检测的数据\r\n * @returns {Boolean} 'val' 为合法的 HTML 代码，返回 true，否则返回 false\r\n */\r\nconst isHTML = (str) => {\r\n  let html\r\n  let basic\r\n  let full\r\n\r\n  if (!isString(str)) {\r\n    return false\r\n  }\r\n\r\n  // 为了提高性能，我们将其限制在合理的长度内。\r\n  html = trim(str).slice(0, 1000)\r\n  basic = /\\s*<!doctype html>|<html\\b[^>]*>|<body\\b[^>]*>|<x-[^>]+>/i\r\n  full = new RegExp(TAGS.map((tag) => `<${tag}\\\\b[^>]*>`).join('|'), 'i')\r\n\r\n  return basic.test(html) || full.test(html)\r\n}\r\n\r\nexport default isHTML\r\n","/**\r\n * 移除字符串中的 JavaScript 代码\r\n * ====================================================\r\n * @param {String} str\r\n * @returns {String}\r\n */\r\nconst stripScripts = (str) => {\r\n  return str.replace(/<script[^>]*>.*?<\\/script>/gi, '')\r\n}\r\n\r\nexport default stripScripts\r\n","const setProperty = (prop, value) => {\r\n  const documentElement = document.documentElement\r\n  documentElement.style.setProperty(prop, value)\r\n}\r\n\r\nexport default setProperty\r\n","import setProperty from './utils/dom/setProperty'\r\n\r\nlet index = 2000\r\n\r\nconst zIndex = (idx) => {\r\n  if (idx) {\r\n    index = idx\r\n  } else {\r\n    index += 1\r\n  }\r\n\r\n  setProperty('--outline-zIndex', `${index}`)\r\n\r\n  return index\r\n}\r\n\r\nexport default zIndex\r\n","import Base from './base'\r\n\r\nimport later from './utils/lang/later'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isDOM from './utils/types/isDOM'\r\nimport isHTML from './utils/types/isHTML'\r\nimport addClass from './utils/dom/addClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport html from './utils/dom/html'\r\nimport createElement from './utils/dom/createElement'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\n\r\nimport paint from './utils/icons/paint'\r\nimport icon from './utils/icons/icon'\r\nimport zIndex from './zIndex'\r\n\r\nclass Drawer extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    this.zIndex = 0\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Drawer.DEFAULTS)\r\n    this.title = ''\r\n    this.closed = false\r\n\r\n    this.$el = null\r\n    this.$modal = null\r\n    this.$header = null\r\n    this.$title = null\r\n    this.$close = null\r\n    this.$main = null\r\n    this.$footer = null\r\n    this.$overlay = null\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n\r\n    this.attr(options)\r\n\r\n    this.title = this.attr('title')\r\n    created = this.attr('created')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n    return this\r\n  }\r\n\r\n  setTitle(title) {\r\n    this.attr('title', title)\r\n    this.title = title\r\n    this.$title.innerHTML = title\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const size = this.attr('size')\r\n    const placement = this.attr('placement')\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const hasOffset = this.attr('hasOffset')\r\n    const hasPadding = this.attr('hasPadding')\r\n    const autoHeight = this.attr('autoHeight')\r\n    const customClass = this.attr('customClass')\r\n    let $el\r\n    let $modal\r\n    let $header\r\n    let $title\r\n    let $close\r\n    let $main\r\n    let $footer\r\n    let $overlay\r\n\r\n    paint()\r\n    this.zIndex = zIndex()\r\n\r\n    $title = createElement(\r\n      'h2',\r\n      {\r\n        className: 'outline-drawer__title'\r\n      },\r\n      this.title\r\n    )\r\n    this.$title = $title\r\n\r\n    if (hasClose) {\r\n      $close = createElement(\r\n        'div',\r\n        {\r\n          className: 'outline-drawer__close'\r\n        },\r\n        icon('close', { iconSet: 'outline', size: 20 })\r\n      )\r\n      this.$close = $close\r\n    }\r\n\r\n    $header = createElement(\r\n      'header',\r\n      {\r\n        className: 'outline-drawer__header'\r\n      },\r\n      [$title, $close]\r\n    )\r\n    this.$header = $header\r\n\r\n    $main = createElement('div', {\r\n      className: 'outline-drawer__main'\r\n    })\r\n    this.$main = $main\r\n\r\n    if (!hasPadding) {\r\n      addClass($main, 'outline-drawer_full')\r\n    }\r\n\r\n    $footer = createElement('footer', {\r\n      className: 'outline-drawer__footer'\r\n    })\r\n    this.$footer = $footer\r\n\r\n    $modal = createElement(\r\n      'div',\r\n      {\r\n        className: `outline-drawer__modal outline-drawer_${placement} outline-drawer_${size} outline-drawer_closed`\r\n      },\r\n      [$header, $main, $footer]\r\n    )\r\n    this.$modal = $modal\r\n\r\n    if (hasOffset) {\r\n      addClass($modal, 'outline-drawer_offset')\r\n    }\r\n\r\n    if (autoHeight) {\r\n      addClass($modal, 'outline-drawer_auto')\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($modal, customClass)\r\n    }\r\n\r\n    if (hasOverlay) {\r\n      $overlay = createElement('div', {\r\n        className: 'outline-drawer__overlay'\r\n      })\r\n      this.$overlay = $overlay\r\n    }\r\n\r\n    $el = createElement(\r\n      'div',\r\n      {\r\n        className: `outline-drawer`\r\n      },\r\n      [$modal, $overlay]\r\n    )\r\n    this.$el = $el\r\n    document.body.appendChild($el)\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$main.innerHTML = ''\r\n    return this\r\n  }\r\n\r\n  _paint(content) {\r\n    let $content = null\r\n\r\n    if (isFunction(content)) {\r\n      $content = content()\r\n    } else if (isDOM(content)) {\r\n      $content = content\r\n    } else if (isHTML(content)) {\r\n      $content = html(content)\r\n    }\r\n\r\n    if ($content) {\r\n      this.$main.appendChild($content)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    document.body.removeChild(this.$el)\r\n    return this\r\n  }\r\n\r\n  refresh(content) {\r\n    this.erase()._paint(content)\r\n    return this\r\n  }\r\n\r\n  open() {\r\n    const opened = this.attr('afterOpened')\r\n    const $modal = this.$modal\r\n\r\n    addClass(this.$el, 'outline-drawer_opened')\r\n    removeClass($modal, 'outline-drawer_closed')\r\n    addClass($modal, 'outline-drawer_opened')\r\n\r\n    later(() => {\r\n      this.closed = false\r\n\r\n      if (isFunction(opened)) {\r\n        opened.call(this)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  close() {\r\n    const closed = this.attr('afterClosed')\r\n    const $modal = this.$modal\r\n\r\n    removeClass($modal, 'outline-drawer_opened')\r\n    addClass($modal, 'outline-drawer_closed')\r\n\r\n    later(() => {\r\n      removeClass(this.$el, 'outline-drawer_opened')\r\n      this.closed = true\r\n\r\n      if (isFunction(closed)) {\r\n        closed.call(this)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const closed = this.isClosed()\r\n\r\n    if (closed) {\r\n      this.open()\r\n    } else {\r\n      this.close()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        afterToggle.call(this, closed)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const afterDestroy = this.attr('afterDestroy')\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    let index = this.zIndex\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    index -= 1\r\n    zIndex(index)\r\n    this.zIndex = 0\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onClose() {\r\n    this.close()\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const closeOnClickModal = this.attr('closeOnClickModal')\r\n    const $el = this.$el\r\n\r\n    if (hasClose) {\r\n      on($el, '.outline-drawer__close', 'click', this.onClose, this, true)\r\n    }\r\n\r\n    if (hasOverlay && closeOnClickModal) {\r\n      on($el, '.outline-drawer__overlay', 'click', this.onClose, this, true)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const $el = this.$el\r\n\r\n    if (!hasClose && !hasOverlay) {\r\n      return this\r\n    }\r\n\r\n    off($el, 'click', this.onClose)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nDrawer.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    placement: 'rtl',\r\n    title: '标题',\r\n    size: 'regular',\r\n    hasClose: true,\r\n    hasOverlay: true,\r\n    hasOffset: false,\r\n    hasPadding: true,\r\n    autoHeight: true,\r\n    closeOnClickModal: true,\r\n    created: null,\r\n    mounted: null,\r\n    afterClosed: null,\r\n    afterOpened: null,\r\n    afterScroll: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null,\r\n    afterToggle: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Drawer\r\n","import isHTML from '../types/isHTML'\r\nimport isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport stripScripts from '../lang/stripScripts'\r\nimport createElement from './createElement'\r\n\r\n/**\r\n * 获取或者设置 DOM 元素的 innerHTML 属性值，或者通过 HTML 字符串，创建 DOM 元素\r\n * ========================================================================\r\n * @method html\r\n * @param {HTMLElement|String} el\r\n * @param {String} [strHTML]\r\n * @return {DocumentFragment|null|*}\r\n */\r\nconst html = (el, strHTML) => {\r\n  const $fragment = document.createDocumentFragment()\r\n\r\n  if (!el || (!isHTML(el) && !isString(el) && !isElement(el))) {\r\n    return null\r\n  }\r\n\r\n  if (isHTML(el)) {\r\n    const template = createElement('div')\r\n    let children = []\r\n\r\n    template.innerHTML = stripScripts(el)\r\n    children = [...template.childNodes]\r\n    children.forEach((child) => {\r\n      $fragment.appendChild(child)\r\n    })\r\n\r\n    return $fragment\r\n  } else if (isString(strHTML)) {\r\n    el.innerHTML = stripScripts(strHTML)\r\n  } else {\r\n    return el.innerHTML\r\n  }\r\n}\r\n\r\nexport default html\r\n","import isFunction from '../types/isFunction'\r\nimport off from './off'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定事件\r\n * ========================================================================\r\n * @method at\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （必须） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst at = (el, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n  const listener = function (evt) {\r\n    let overrideContext = context || el\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    // 仅触发一次\r\n    /* istanbul ignore else */\r\n    if (once === true) {\r\n      off(el, type, listener)\r\n    }\r\n\r\n    fn.call(overrideContext, evt, data)\r\n  }\r\n\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default at\r\n","/**\r\n * 获取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 isElement from '../types/isElement'\r\n\r\n/**\r\n * 检测某个 DOM 节点的位置是否在另个一个 DOM 节点范围内\r\n * ========================================================================\r\n * @method inBounding\r\n * @param {HTMLElement} child\r\n * @param {HTMLElement} parent\r\n * @return {Boolean}\r\n */\r\nconst inBounding = (child, parent) => {\r\n  let parentRect\r\n  let childRect\r\n\r\n  if (!isElement(child) || !isElement(parent)) {\r\n    return false\r\n  }\r\n\r\n  parentRect = parent.getBoundingClientRect()\r\n  childRect = child.getBoundingClientRect()\r\n\r\n  return (\r\n    childRect.top >= parentRect.top &&\r\n    childRect.right <= parentRect.right &&\r\n    childRect.bottom <= parentRect.bottom &&\r\n    childRect.left >= parentRect.left\r\n  )\r\n}\r\n\r\nexport default inBounding\r\n","import isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport later from './utils/lang/later'\r\nimport at from './utils/event/at'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport createElement from './utils/dom/createElement'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport addClass from './utils/dom/addClass'\r\nimport intersection from './utils/dom/intersection'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport getStyle from './utils/dom/getStyle'\r\nimport setProperty from './utils/dom/setProperty'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\n\r\nimport _paintChapters from './_paintChapters'\r\nimport inBounding from './utils/dom/inBounding'\r\n\r\nimport Base from './base'\r\n\r\nclass Navigator extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    this.scrollTimer = null\r\n    this.resizeTimer = null\r\n    this.observerTimer = null\r\n    this.Observer = null\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Navigator.DEFAULTS)\r\n\r\n    this.$el = null\r\n    this.$title = null\r\n    this.$main = null\r\n    this.$list = null\r\n    this.$placeholder = null\r\n    this.$parentElement = null\r\n    this.$scrollElement = null\r\n    this.$active = null\r\n\r\n    this.chapters = []\r\n    this.active = 0\r\n    this.offsetWidth = 0\r\n    this.offsetTop = 0\r\n    this.playing = false\r\n    this.closed = false\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let parentElement\r\n    let scrollElement\r\n    let $parent\r\n\r\n    this.attr(options)\r\n\r\n    created = this.attr('created')\r\n    parentElement = this.attr('parentElement')\r\n    scrollElement = this.attr('scrollElement')\r\n\r\n    if (isString(parentElement)) {\r\n      $parent = document.querySelector(parentElement)\r\n    } else if (isElement(parentElement)) {\r\n      $parent = parentElement\r\n    }\r\n    this.$parentElement = $parent\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n\r\n    this.chapters = this.attr('chapters')\r\n    this.closed = this.attr('closed')\r\n    this.active = this.attr('active')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    if (this.chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    this.$active = document.querySelector(`#chapter-${this.active}`)\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  isSticky() {\r\n    const position = this.attr('position')\r\n    return position === 'sticky'\r\n  }\r\n\r\n  isFixed() {\r\n    const position = this.attr('position')\r\n    return position === 'fixed'\r\n  }\r\n\r\n  isInside() {\r\n    return this.isFixed() || this.isSticky()\r\n  }\r\n\r\n  isOutside() {\r\n    return !this.isInside()\r\n  }\r\n\r\n  count() {\r\n    return this.chapters.length\r\n  }\r\n\r\n  _paintEdge() {\r\n    const $fragment = document.createDocumentFragment()\r\n    const STICKY = 'outline-navigator_sticky'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const title = this.attr('title')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const customClass = this.attr('customClass')\r\n    const $parentElement = this.$parentElement\r\n    const children = []\r\n    const contents = []\r\n    let $title = null\r\n    let $el\r\n    let $main\r\n    let $list\r\n    let $placeholder\r\n\r\n    if (!$parentElement) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside() && title) {\r\n      $title = createElement(\r\n        'h2',\r\n        {\r\n          className: 'outline-navigator__title'\r\n        },\r\n        title\r\n      )\r\n      this.$title = $title\r\n      contents.push($title)\r\n    }\r\n\r\n    $list = createElement('ul', {\r\n      // 为优化性能，添加了 _fixed 和 _hidden\r\n      // fixed 为了让 $list 脱离流布局\r\n      // hidden 让 $list 不可见\r\n      className: `outline-navigator__list`\r\n    })\r\n    this.$list = $list\r\n    children.push($list)\r\n\r\n    if (animationCurrent) {\r\n      $placeholder = createElement('div', {\r\n        className: 'outline-navigator__placeholder'\r\n      })\r\n      this.$placeholder = $placeholder\r\n      children.push($placeholder)\r\n    }\r\n\r\n    $main = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-navigator__main'\r\n      },\r\n      children\r\n    )\r\n    this.$main = $main\r\n    contents.push($main)\r\n\r\n    $el = createElement(\r\n      'nav',\r\n      {\r\n        id: 'outline-navigator',\r\n        className: `outline-navigator ${HIDDEN}`\r\n      },\r\n      contents\r\n    )\r\n    this.$el = $el\r\n\r\n    if (this.isSticky()) {\r\n      this.calculateStickyHeight()\r\n      addClass($el, STICKY)\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($el, customClass)\r\n    }\r\n    $fragment.appendChild($el)\r\n    $parentElement.appendChild($fragment)\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const $parentElement = this.$parentElement\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n    let $el\r\n\r\n    if (!$parentElement || chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside()) {\r\n      addClass($parentElement, 'outline-navigator-parent')\r\n    }\r\n\r\n    this._paintEdge()\r\n    $el = this.$el\r\n\r\n    this._paint(chapters)\r\n\r\n    later(() => {\r\n      this.highlight(this.active)\r\n    }, 60)\r\n\r\n    this.offsetTop = offsetTop($el)\r\n    this.offsetWidth = $el.offsetWidth\r\n\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      setProperty('--outline-navigator-width', `${this.offsetWidth}px`)\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    if (count < 400) {\r\n      this.onObserver()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$list.innerHTML = ''\r\n\r\n    return this\r\n  }\r\n\r\n  _paint(chapters) {\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const showCode = this.attr('showCode')\r\n    const $el = this.$el\r\n    const $list = this.$list\r\n\r\n    _paintChapters($list, chapters, showCode)\r\n    removeClass($el, HIDDEN)\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    this.$parentElement.removeChild(this.$el)\r\n    return this\r\n  }\r\n\r\n  refresh(chapters) {\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const $el = this.$el\r\n\r\n    removeClass($el, HIDDEN)\r\n    this.erase()._paint(chapters)\r\n\r\n    return this\r\n  }\r\n\r\n  _getPlaceholderOffset(index) {\r\n    const $main = this.$main\r\n    const $list = this.$list\r\n    const $anchor = $list.querySelector('.outline-navigator__anchor')\r\n    const mainPaddingTop = parseInt(getStyle($main, 'padding-top'), 10)\r\n    const mainBorderTop = parseInt(getStyle($main, 'border-top-width'), 10)\r\n    const placeholderPaddingTop = parseInt(getStyle($list, 'padding-top'), 10)\r\n    const placeholderMarginTop = parseInt(getStyle($list, 'margin-top'), 10)\r\n    const placeholderBorderTop = parseInt(\r\n      getStyle($list, 'border-top-width'),\r\n      10\r\n    )\r\n    let height = $anchor.offsetHeight\r\n    let offsetTop = 0\r\n    let top\r\n\r\n    if (mainPaddingTop) {\r\n      offsetTop += mainPaddingTop\r\n    }\r\n\r\n    if (placeholderPaddingTop) {\r\n      offsetTop += placeholderPaddingTop\r\n    }\r\n\r\n    if (placeholderMarginTop) {\r\n      offsetTop += placeholderMarginTop\r\n    }\r\n\r\n    if (mainBorderTop) {\r\n      offsetTop += mainBorderTop\r\n    }\r\n\r\n    if (placeholderBorderTop) {\r\n      offsetTop += placeholderBorderTop\r\n    }\r\n\r\n    top = height * index\r\n\r\n    return offsetTop + top\r\n  }\r\n\r\n  positionPlaceholder(index) {\r\n    const $list = this.$list\r\n    const $placeholder = this.$placeholder\r\n    const $anchor = $list.querySelector('.outline-navigator__anchor')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const height = $anchor.offsetHeight\r\n    let offsetTop = 0\r\n\r\n    if (!animationCurrent) {\r\n      return this\r\n    }\r\n\r\n    offsetTop = this._getPlaceholderOffset(index)\r\n\r\n    $placeholder.style.cssText = `transform: translateY(${offsetTop}px);height:${height}px;`\r\n\r\n    return this\r\n  }\r\n\r\n  highlight(id) {\r\n    const $el = this.$el\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const ACTIVE = 'outline-navigator_active'\r\n    const HIGHLIGHT = 'outline-navigator_highlight'\r\n    let $anchor = null\r\n    let placeholderOffsetTop = 0\r\n\r\n    if (!$el) {\r\n      return this\r\n    }\r\n\r\n    $anchor = $el.querySelector(`#chapter__anchor-${id}`)\r\n\r\n    if (!$anchor) {\r\n      return this\r\n    }\r\n\r\n    this.active = parseInt($anchor.getAttribute('data-id'), 10)\r\n\r\n    if (this.$active) {\r\n      removeClass(this.$active, HIGHLIGHT)\r\n      removeClass(this.$active, ACTIVE)\r\n    }\r\n\r\n    this.$active = $anchor\r\n    addClass(this.$active, ACTIVE)\r\n\r\n    if (animationCurrent) {\r\n      this.positionPlaceholder(this.active)\r\n    } else {\r\n      addClass(this.$active, HIGHLIGHT)\r\n    }\r\n\r\n    later(() => {\r\n      console.log(!inBounding(this.$active, this.$main))\r\n      if (!inBounding(this.$active, this.$main)) {\r\n        placeholderOffsetTop = this._getPlaceholderOffset(this.active)\r\n        console.log('placeholderOffsetTop', placeholderOffsetTop)\r\n        scrollTo(this.$main, placeholderOffsetTop)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  sticky() {\r\n    const afterSticky = this.attr('afterSticky')\r\n    const FIXED = 'outline-navigator_fixed'\r\n    const $el = this.$el\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (!this.isFixed()) {\r\n      return this\r\n    }\r\n\r\n    isStickying = scrollTop >= top\r\n\r\n    if (isStickying) {\r\n      addClass($el, FIXED)\r\n    } else {\r\n      removeClass($el, FIXED)\r\n    }\r\n\r\n    if (isFunction(afterSticky)) {\r\n      afterSticky.call(this, this.isClosed(), isStickying)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  calculateStickyHeight() {\r\n    const documentElement = document.documentElement\r\n    const height = Math.max(\r\n      documentElement.clientHeight || 0,\r\n      window.innerHeight || 0\r\n    )\r\n    setProperty('--outline-sticky-height', `${height}px`)\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  show() {\r\n    const FOLDED = 'outline-navigator_folded'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const opened = this.attr('afterOpened')\r\n    const count = this.count()\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      if (count > 800) {\r\n        removeClass($parent, HIDDEN)\r\n      } else {\r\n        removeClass($parent, HIDDEN)\r\n        later(() => {\r\n          removeClass($parent, FOLDED)\r\n        }, 30)\r\n      }\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n    }\r\n    this.closed = false\r\n\r\n    if (isFunction(opened)) {\r\n      opened.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide() {\r\n    const FOLDED = 'outline-navigator_folded'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const closed = this.attr('afterClosed')\r\n    const count = this.count()\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      if (count > 800) {\r\n        addClass($parent, HIDDEN)\r\n      } else {\r\n        addClass($parent, FOLDED)\r\n        later(() => {\r\n          addClass($parent, HIDDEN)\r\n        })\r\n      }\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n    }\r\n    this.closed = true\r\n\r\n    if (isFunction(closed)) {\r\n      closed.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (this.isClosed()) {\r\n      this.show()\r\n    } else {\r\n      this.hide()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        isStickying = scrollTop >= top\r\n        afterToggle.call(this, this.isClosed(), isStickying)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n      this.scrollTimer = null\r\n    }\r\n\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n      this.resizeTimer = null\r\n    }\r\n\r\n    if (this.observerTimer) {\r\n      clearTimeout(this.observerTimer)\r\n      this.observerTimer = null\r\n    }\r\n\r\n    if (this.Observer) {\r\n      this.Observer = null\r\n    }\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onObserver() {\r\n    const selector = this.attr('selector')\r\n\r\n    this.Observer = intersection(\r\n      ($heading) => {\r\n        const id = $heading.getAttribute('data-id')\r\n\r\n        if (this.playing) {\r\n          return false\r\n        }\r\n\r\n        if (this.observerTimer) {\r\n          clearTimeout(this.observerTimer)\r\n        }\r\n\r\n        this.observerTimer = later(() => {\r\n          this.highlight(id)\r\n        }, 100)\r\n      },\r\n      {\r\n        selector,\r\n        context: this\r\n      }\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  onSelect(evt) {\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const id = $anchor.getAttribute('data-id')\r\n    const headingId = $anchor.href.split('#')[1]\r\n    const $heading = document.querySelector(`#${headingId}`)\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const min = 0\r\n    const max = this.$scrollElement.scrollHeight\r\n    const afterScroll = this.attr('afterScroll')\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this, 'chapter')\r\n      }\r\n\r\n      later(() => {\r\n        this.playing = false\r\n        this.$emit('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.playing = true\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      later(() => {\r\n        this.scrollTo(top, after)\r\n        this.highlight(id)\r\n      }, 10)\r\n    } else {\r\n      this.scrollTo(top, after)\r\n      this.highlight(id)\r\n    }\r\n\r\n    stop(evt)\r\n\r\n    return this\r\n  }\r\n\r\n  onScroll() {\r\n    const $scrollElement = this.$scrollElement\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n    }\r\n\r\n    this.scrollTimer = later(() => {\r\n      const top = $scrollElement.scrollTop\r\n      const min = 0\r\n      const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n\r\n      if (this.isFixed()) {\r\n        this.sticky()\r\n      }\r\n\r\n      this.$emit('toolbar:update', {\r\n        top,\r\n        min,\r\n        max\r\n      })\r\n    }, 100)\r\n\r\n    return this\r\n  }\r\n\r\n  onResize() {\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n    }\r\n\r\n    this.resizeTimer = later(() => {\r\n      this.calculateStickyHeight()\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    on($el, '.outline-navigator__anchor', 'click', this.onSelect, this, true)\r\n    at($element, 'scroll', this.onScroll, this, true)\r\n    if (this.isSticky()) {\r\n      at(window, 'resize', this.onResize, this, true)\r\n    }\r\n    this.$on('anchors:all:paint', this.onObserver, this)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const selector = this.attr('selector')\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    off($el, 'click', this.onSelect)\r\n    off($element, 'scroll', this.onScroll)\r\n    if (this.isSticky()) {\r\n      off(window, 'resize', this.onResize)\r\n    }\r\n    this.$off('anchors:all:paint')\r\n\r\n    if (this.Observer) {\r\n      document.querySelectorAll(selector).forEach((section) => {\r\n        this.Observer.unobserve(section)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nNavigator.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    parentElement: '',\r\n    scrollElement: '',\r\n    selector: '.outline-heading',\r\n    active: 0,\r\n    closed: false,\r\n    showCode: true,\r\n    animationCurrent: true,\r\n    position: 'relative',\r\n    stickyHeight: 0,\r\n    chapters: [],\r\n    created: null,\r\n    mounted: null,\r\n    afterClosed: null,\r\n    afterOpened: null,\r\n    afterScroll: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null,\r\n    afterSticky: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Navigator\r\n","import createElement from './utils/dom/createElement'\r\nimport timeSlice from './utils/lang/timeSlice'\r\n\r\nconst _paintChapters = ($list, chapters, showCode = false) => {\r\n  const LIMIT = 400\r\n  const count = chapters.length\r\n  const clones = [...chapters]\r\n  const paint = (parts) => {\r\n    const byId = (id) => $list.querySelector(`#${id}`)\r\n    parts.forEach((chapter) => {\r\n      const pid = chapter.pid\r\n      const id = chapter.id\r\n      const code = chapter.code\r\n      const rel = chapter.rel\r\n      const children = []\r\n      const $text = createElement(\r\n        'span',\r\n        {\r\n          className: 'outline-navigator__text'\r\n        },\r\n        chapter.text\r\n      )\r\n      let $link\r\n      let $code\r\n      let $li\r\n      let $subject\r\n      let $chapter\r\n\r\n      if (showCode) {\r\n        $code = createElement(\r\n          'span',\r\n          {\r\n            className: 'outline-navigator__code',\r\n            'data-id': id\r\n          },\r\n          chapter.code\r\n        )\r\n\r\n        children.push($code)\r\n      }\r\n\r\n      children.push($text)\r\n\r\n      $link = createElement(\r\n        'a',\r\n        {\r\n          id: `chapter__anchor-${id}`,\r\n          className: 'outline-navigator__anchor',\r\n          href: '#' + rel,\r\n          rel: rel,\r\n          'data-id': id,\r\n          'data-code': code\r\n        },\r\n        children\r\n      )\r\n\r\n      $li = createElement(\r\n        'li',\r\n        {\r\n          id: `chapter-${id}`,\r\n          className: 'outline-navigator__item',\r\n          'data-id': id,\r\n          'data-code': code\r\n        },\r\n        $link\r\n      )\r\n\r\n      if (pid === -1) {\r\n        $list.appendChild($li)\r\n      } else {\r\n        $chapter = byId(`chapter-${pid}`)\r\n        $subject = byId(`subject-${pid}`)\r\n\r\n        if (!$subject) {\r\n          $subject = createElement(\r\n            'ul',\r\n            {\r\n              id: 'subject-' + pid,\r\n              className: 'outline-navigator__subject'\r\n            },\r\n            $li\r\n          )\r\n\r\n          $chapter.appendChild($subject)\r\n        } else {\r\n          $subject.appendChild($li)\r\n        }\r\n      }\r\n    })\r\n  }\r\n\r\n  if (count > LIMIT) {\r\n    // 同步绘制\r\n    paint(clones.splice(0, LIMIT))\r\n    // 剩余的采用 timeSlice 机制绘制\r\n    while (clones.length > 0) {\r\n      const once = clones.splice(0, LIMIT)\r\n      timeSlice(() => {\r\n        paint(once)\r\n      })\r\n    }\r\n  } else {\r\n    paint(clones)\r\n  }\r\n}\r\n\r\nexport default _paintChapters\r\n","import isFunction from '../types/isFunction'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通用的 IntersectionObserver 观察者处理器\r\n * ========================================================================\r\n * @method intersection\r\n * @param {Function} fn\r\n * @param {Object} [props]\r\n * @param {Object|HTMLElement} [props.root]\r\n * @param {String} [props.selector]\r\n * @param {Object} [props.context]\r\n * @param {String} [props.attr]\r\n * @param {String} [props.rootMargin]\r\n */\r\nconst intersection = (fn, props = {}) => {\r\n  const root = props.root || null\r\n  const selector = props.selector || '.outline-heading'\r\n  const context = props.context || null\r\n  const rootMargin = props.rootMargin || '0px 0px -90% 0px'\r\n  const options = {\r\n    rootMargin: rootMargin\r\n  }\r\n  // eslint-disable-next-line compat/compat\r\n  const Observer = new IntersectionObserver((entries) => {\r\n    entries.forEach((entry) => {\r\n      if (entry.intersectionRatio > 0) {\r\n        if (isFunction(fn)) {\r\n          fn.call(context || entry.target, entry.target)\r\n        }\r\n      }\r\n    })\r\n  }, options)\r\n  const $root = isElement(root) ? root : document\r\n\r\n  if (root) {\r\n    options.root = root\r\n  }\r\n\r\n  $root.querySelectorAll(selector).forEach((section) => {\r\n    Observer.observe(section)\r\n  })\r\n\r\n  return Observer\r\n}\r\n\r\nexport default intersection\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测测试数据是否为类似 Object 类型\r\n * ========================================================================\r\n * @method isObjectLike\r\n * @param {Object} val - 要检测的数据\r\n * @returns {Boolean} 'val' 是类似 Object 类型，返回 true，否则返回 false\r\n */\r\nconst isObjectLike = (val) => {\r\n  return isObject(val) && val !== null\r\n}\r\n\r\nexport default isObjectLike\r\n","import isObjectLike from './isObjectLike'\r\n\r\n/**\r\n * 检测测试数据是否为普通对象\r\n * ========================================================================\r\n * @method isPlainObject\r\n * @param {Object} val - 要检测的数据\r\n * @returns {Boolean} 'val' 是普通对象，返回 true，否则返回 false\r\n */\r\nconst isPlainObject = (val) => {\r\n  const getPrototypeOf = Object.getPrototypeOf\r\n  let proto\r\n\r\n  // Detect obvious negatives\r\n  if (!isObjectLike(val)) {\r\n    return false\r\n  }\r\n\r\n  proto = val.prototype\r\n\r\n  // JavaScript 对象分为两种：普通对象和函数对象\r\n  // 普通对象：原型是 __proto__，没有 prototype 原型（属性）\r\n  // 函数对象：原型是 prototype ，prototype 只存在于函数对象上\r\n  if (!proto) {\r\n    return true\r\n  }\r\n\r\n  proto = val\r\n\r\n  while (getPrototypeOf(proto) !== null) {\r\n    proto = getPrototypeOf(proto)\r\n  }\r\n\r\n  return getPrototypeOf(val) === proto\r\n}\r\n\r\nexport default isPlainObject\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    '&': '&amp;',\r\n    '<': '&lt;',\r\n    '>': '&gt;',\r\n    \"'\": '&#39;',\r\n    '\"': '&quot;'\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\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\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    return this\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\r\n    document.body.removeChild(this.$el)\r\n\r\n    clearTimeout(this.timer)\r\n    this._default()\r\n\r\n    this.$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($el, 'click', this.onClose)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nMessage.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    id: '',\r\n    type: 'info',\r\n    effect: 'default',\r\n    round: false,\r\n    offset: 30,\r\n    duration: 3,\r\n    delay: 2,\r\n    message: '',\r\n    customClass: '',\r\n    closable: true,\r\n    visible: true,\r\n    dangerouslyUseHTMLString: false,\r\n    destroyAfterClosed: true,\r\n    beforeClose: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nTYPES.forEach((type) => {\r\n  Message[type] = (options) => {\r\n    const config = {}\r\n    const id = guid(`outline-message-`)\r\n    const beforeClose = options.beforeClose || null\r\n    let offset = options.offset || 30\r\n\r\n    if (isString(options)) {\r\n      config.message = options\r\n    } else {\r\n      if (isPlainObject(options)) {\r\n        extend(config, options)\r\n      }\r\n    }\r\n    config.id = id\r\n    config.type = type\r\n    config.offset = offset\r\n    config.visible = false\r\n    config.beforeClose = () => {\r\n      Message.close(id, beforeClose)\r\n    }\r\n\r\n    instance = new Message(config)\r\n    instances.forEach((item) => {\r\n      offset += item.$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 isFunction from './utils/types/isFunction'\r\n\r\nclass Command {\r\n  constructor(name, action) {\r\n    this.name = name\r\n\r\n    if (isFunction(action)) {\r\n      this.action = action\r\n    }\r\n  }\r\n\r\n  execute() {\r\n    this.action()\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nexport default Command\r\n","import isFunction from './utils/types/isFunction'\r\n\r\nclass Commands {\r\n  constructor() {\r\n    this.commands = []\r\n  }\r\n\r\n  get(name) {\r\n    return this.commands.find((cmd) => cmd.name === name)\r\n  }\r\n\r\n  add(command) {\r\n    this.commands.push(command)\r\n\r\n    return this\r\n  }\r\n\r\n  del(name) {\r\n    const commands = this.commands\r\n    const command = commands.find((cmd) => cmd.name === name)\r\n    const index = command ? commands.indexOf(command) : -1\r\n\r\n    if (index > -1) {\r\n      commands.splice(index, 1)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  clear() {\r\n    this.commands = []\r\n\r\n    return this\r\n  }\r\n\r\n  execute(name) {\r\n    const command = this.commands.find((cmd) => cmd.name === name)\r\n\r\n    if (isFunction(command?.execute)) {\r\n      command.execute()\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nexport default Commands\r\n","import icon from './utils/icons/icon'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\n\r\nconst _createButton = (button, rounded = true) => {\r\n  const $icon = icon(button.icon, {\r\n    iconSet: button.iconSet || 'outline',\r\n    color: button.color || '',\r\n    size: button.size\r\n  })\r\n  const $anchor = createElement(\r\n    'a',\r\n    {\r\n      className: `outline-toolbar__anchor`,\r\n      href: button.link\r\n    },\r\n    $icon\r\n  )\r\n  const $button = createElement(\r\n    'div',\r\n    {\r\n      className: `outline-toolbar__button ${button.name}`,\r\n      'data-cmd': button.name\r\n    },\r\n    [button.link ? $anchor : $icon]\r\n  )\r\n\r\n  addClass($icon, 'outline-toolbar__icon')\r\n\r\n  if (rounded) {\r\n    addClass($button, 'outline-toolbar_rounded')\r\n  }\r\n\r\n  if (button.disabled) {\r\n    addClass($button, 'outline-toolbar_disabled')\r\n  }\r\n\r\n  return $button\r\n}\r\n\r\nexport default _createButton\r\n","import isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isObject from './utils/types/isObject'\r\nimport isArray from './utils/types/isArray'\r\nimport later from './utils/lang/later'\r\nimport guid from './utils/lang/guid'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport hasClass from './utils/dom/hasClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport paint from './utils/icons/paint'\r\n\r\nimport Base from './base'\r\nimport Command from './command'\r\nimport Commands from './commands'\r\n\r\nimport _createButton from './_createButton'\r\n\r\nconst DISABLED = 'outline-toolbar_disabled'\r\nconst HIDDEN = 'outline-toolbar_hidden'\r\n\r\nclass Toolbar extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Toolbar.DEFAULTS)\r\n\r\n    this.disabled = false\r\n    this.closed = false\r\n\r\n    this.$el = null\r\n    this.buttons = []\r\n    this.commands = null\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n\r\n    this.attr(options)\r\n\r\n    this.disabled = this.attr('disabled')\r\n    this.closed = this.attr('closed')\r\n    this.commands = new Commands()\r\n\r\n    created = this.attr('created')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  isDisabled(name) {\r\n    let button\r\n\r\n    if (name) {\r\n      button = this.get(name)\r\n\r\n      return button.disabled\r\n    }\r\n\r\n    return this.disabled\r\n  }\r\n\r\n  isExist(name) {\r\n    const button = this.get(name)\r\n    return !!button\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  _getCommand(button) {\r\n    const _self = this\r\n    const { action, name } = button\r\n    let command = null\r\n    let handler = null\r\n    let context\r\n    let listener\r\n\r\n    if (!action) {\r\n      return command\r\n    }\r\n\r\n    handler = action.handler\r\n    context = action.context || this\r\n\r\n    if (isFunction(handler)) {\r\n      listener = handler\r\n    } else if (isString(handler)) {\r\n      listener = function () {\r\n        _self.$emit(handler, name)\r\n      }\r\n    }\r\n\r\n    if (isFunction(listener)) {\r\n      command = new Command(name, listener.bind(context))\r\n    }\r\n\r\n    return command\r\n  }\r\n\r\n  get(name) {\r\n    return this.buttons.find((button) => button.name === name)\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const buttons = this.attr('buttons') || []\r\n    const placement = this.attr('placement')\r\n\r\n    paint()\r\n\r\n    this.$el = createElement('div', {\r\n      id: guid('outline-toolbar'),\r\n      className: `outline-toolbar outline-toolbar_${placement}`\r\n    })\r\n    this._paint(buttons)\r\n    document.body.appendChild(this.$el)\r\n\r\n    if (this.closed) {\r\n      this.hide()\r\n    }\r\n\r\n    if (this.disabled) {\r\n      this.disable()\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$el.innerHTML = ''\r\n    return this\r\n  }\r\n\r\n  _paint(buttons) {\r\n    const rounded = this.attr('rounded')\r\n    const $fragment = document.createDocumentFragment()\r\n\r\n    buttons.forEach((button) => {\r\n      const $button = _createButton(button, rounded)\r\n      const command = this._getCommand(button)\r\n      const { name, disabled, context } = button\r\n\r\n      $fragment.appendChild($button)\r\n\r\n      if (!this.isExist(name)) {\r\n        this.buttons.push({\r\n          $el: $button,\r\n          name,\r\n          disabled: disabled || false,\r\n          context: context || this\r\n        })\r\n\r\n        if (command) {\r\n          this.commands.add(command)\r\n        }\r\n      }\r\n    })\r\n\r\n    this.$el.appendChild($fragment)\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    document.body.removeChild(this.$el)\r\n    return this\r\n  }\r\n\r\n  refresh(buttons) {\r\n    this.attr({ buttons })\r\n    this.erase()._paint(buttons)\r\n    return this\r\n  }\r\n\r\n  add(button) {\r\n    const $el = this.$el\r\n    const $fragment = document.createDocumentFragment()\r\n    const buttons = this.attr('buttons') || []\r\n    const { name, disabled, context } = button\r\n    const command = this._getCommand(button)\r\n    const _add = (button) => {\r\n      const $button = _createButton(button)\r\n\r\n      $fragment.appendChild($button)\r\n\r\n      buttons.push(button)\r\n      this.buttons.push({\r\n        $el: $button,\r\n        name,\r\n        disabled: disabled || false,\r\n        context: context || this,\r\n        command\r\n      })\r\n\r\n      if (command) {\r\n        this.commands.add(command)\r\n      }\r\n    }\r\n\r\n    if (isObject(button)) {\r\n      _add(button)\r\n    } else if (isArray(button)) {\r\n      button.forEach((item) => {\r\n        if (isObject(item)) {\r\n          _add(item)\r\n        }\r\n      })\r\n    }\r\n    $el.appendChild($fragment)\r\n\r\n    return this\r\n  }\r\n\r\n  remove(name) {\r\n    const $el = this.$el\r\n    const buttons = this.buttons\r\n    const button = this.get(name)\r\n    let index = -1\r\n\r\n    if (!button) {\r\n      return this\r\n    }\r\n\r\n    index = buttons.indexOf(button)\r\n\r\n    if (index > -1) {\r\n      buttons.splice(index, 1)\r\n      this.attrs('buttons').splice(index, 1)\r\n    }\r\n\r\n    this._disable(name)\r\n    $el.removeChild(button.$el)\r\n\r\n    return this\r\n  }\r\n\r\n  _disable(name) {\r\n    const button = this.get(name)\r\n    const command = this.commands.get(name)\r\n\r\n    if (!button || button.disabled) {\r\n      return this\r\n    }\r\n\r\n    button.disabled = true\r\n\r\n    if (command) {\r\n      this.commands.del(command)\r\n    }\r\n\r\n    addClass(button.$el, DISABLED)\r\n\r\n    return this\r\n  }\r\n\r\n  _enable(name) {\r\n    const button = this.get(name)\r\n    const command = this.commands.get(name)\r\n\r\n    if (!button || !button.disabled) {\r\n      return this\r\n    }\r\n\r\n    button.disabled = false\r\n\r\n    if (command) {\r\n      this.commands.add(command)\r\n    }\r\n\r\n    removeClass(button.$el, DISABLED)\r\n\r\n    return this\r\n  }\r\n\r\n  disable(name) {\r\n    const disabled = this.attr('afterDisabled')\r\n\r\n    if (name) {\r\n      this._disable(name)\r\n    } else {\r\n      addClass(this.$el, DISABLED)\r\n      this.removeListeners()\r\n      this.disabled = true\r\n\r\n      if (isFunction(disabled)) {\r\n        disabled.call(this)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  enable(name) {\r\n    const enabled = this.attr('afterEnabled')\r\n\r\n    if (name) {\r\n      this._enable(name)\r\n    } else {\r\n      this.disabled = false\r\n      removeClass(this.$el, DISABLED)\r\n      this.addListeners()\r\n\r\n      if (isFunction(enabled)) {\r\n        enabled.call(this)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  show(name) {\r\n    const opened = this.attr('afterOpened')\r\n    const button = this.get(name)\r\n    const $el = this.$el\r\n\r\n    if (name) {\r\n      if (!button) {\r\n        return this\r\n      }\r\n\r\n      removeClass(button.$el, HIDDEN)\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n      this.closed = false\r\n\r\n      if (isFunction(opened)) {\r\n        later(() => {\r\n          opened.call(this)\r\n        }, 310)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide(name) {\r\n    const closed = this.attr('afterClosed')\r\n    const button = this.get(name)\r\n    const $el = this.$el\r\n\r\n    if (name) {\r\n      if (!button) {\r\n        return this\r\n      }\r\n\r\n      addClass(button.$el, HIDDEN)\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n      this.closed = true\r\n\r\n      if (isFunction(closed)) {\r\n        later(() => {\r\n          closed.call(this)\r\n        }, 310)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle(name) {\r\n    if (this.isClosed()) {\r\n      this.show(name)\r\n    } else {\r\n      this.hide(name)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  highlight(name) {\r\n    const button = this.get(name)\r\n    const ACTIVE = 'outline-toolbar_active'\r\n    let $button\r\n\r\n    if (!button) {\r\n      return this\r\n    }\r\n\r\n    $button = button.$el\r\n\r\n    if (hasClass($button, ACTIVE)) {\r\n      removeClass($button, ACTIVE)\r\n    } else {\r\n      addClass($button, ACTIVE)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.commands.clear()\r\n    this.removeListeners()._remove()._default()\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  execute(name) {\r\n    if (this.isDisabled(name)) {\r\n      return this\r\n    }\r\n\r\n    this.commands.execute(name)\r\n\r\n    return this\r\n  }\r\n\r\n  onExecute(evt) {\r\n    const $button = evt.delegateTarget\r\n    let cmd = ''\r\n\r\n    if ($button) {\r\n      cmd = $button.getAttribute('data-cmd')\r\n\r\n      if (cmd) {\r\n        this.execute(cmd)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const buttons = this.attr('buttons') || []\r\n    const $el = this.$el\r\n\r\n    if (!buttons || buttons.length < 1) {\r\n      return this\r\n    }\r\n\r\n    on($el, `.outline-toolbar__button`, 'click', this.onExecute, this, true)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const buttons = this.attr('buttons') || []\r\n    const $el = this.$el\r\n\r\n    if (!buttons || buttons.length < 1) {\r\n      return this\r\n    }\r\n\r\n    off($el, '.outline-toolbar__button', this.onExecute)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nToolbar.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    placement: 'ltr',\r\n    closed: false,\r\n    disabled: false,\r\n    rounded: true,\r\n    buttons: [],\r\n    created: null,\r\n    mounted: null,\r\n    afterClosed: null,\r\n    afterOpened: null,\r\n    afterDisabled: null,\r\n    afterEnabled: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Toolbar\r\n","import publish from './utils/observer/emit'\r\n\r\nclass Speech {\r\n  constructor(options) {\r\n    this.utterance = new SpeechSynthesisUtterance()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _initialize(options) {\r\n    if (options.lang) {\r\n      this.setLang(options.lang)\r\n    }\r\n\r\n    if (options.pitch) {\r\n      this.setPitch(options.pitch)\r\n    }\r\n\r\n    if (options.rate) {\r\n      this.setRate(options.rate)\r\n    }\r\n\r\n    if (options.text) {\r\n      this.setText(options.text)\r\n    }\r\n\r\n    if (options.voice) {\r\n      this.setVoice(options.voice)\r\n    }\r\n\r\n    if (options.volume) {\r\n      this.setVolume(options.volume)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    this._initialize(options)._addListeners()\r\n    return this\r\n  }\r\n\r\n  isSpeaking() {\r\n    return speechSynthesis.speaking\r\n  }\r\n\r\n  isPending() {\r\n    return speechSynthesis.pending\r\n  }\r\n\r\n  isPaused() {\r\n    return speechSynthesis.paused\r\n  }\r\n\r\n  getVoices() {\r\n    return speechSynthesis.getVoices()\r\n  }\r\n\r\n  setLang(lang) {\r\n    this.utterance.lang = lang\r\n    return this\r\n  }\r\n\r\n  setPitch(pitch) {\r\n    this.utterance.pitch = pitch\r\n    return this\r\n  }\r\n\r\n  setRate(rate) {\r\n    this.utterance.rate = rate\r\n    return this\r\n  }\r\n\r\n  setText(text) {\r\n    this.utterance.text = text\r\n    return this\r\n  }\r\n\r\n  setVoice(voice) {\r\n    this.utterance.voice = voice\r\n    return this\r\n  }\r\n\r\n  setVolume(volume) {\r\n    this.utterance.volume = volume\r\n    return this\r\n  }\r\n\r\n  speak(text) {\r\n    if (text) {\r\n      this.setText(text)\r\n    }\r\n\r\n    speechSynthesis.speak(this.utterance)\r\n\r\n    return this\r\n  }\r\n\r\n  pause() {\r\n    speechSynthesis.pause()\r\n    return this\r\n  }\r\n\r\n  resume() {\r\n    speechSynthesis.resume()\r\n    return this\r\n  }\r\n\r\n  cancel() {\r\n    speechSynthesis.cancel()\r\n    this.setText('')\r\n    return this\r\n  }\r\n\r\n  _addListeners() {\r\n    const UTTERANCE_EVENTS = [\r\n      'boundary',\r\n      'end',\r\n      'error',\r\n      'start',\r\n      'mark',\r\n      'pause',\r\n      'resume'\r\n    ]\r\n    const utterance = this.utterance\r\n    const speech = this\r\n\r\n    UTTERANCE_EVENTS.forEach((name) => {\r\n      utterance[`on${name}`] = (event) => {\r\n        publish(name, {\r\n          event,\r\n          speech\r\n        })\r\n      }\r\n    })\r\n\r\n    speechSynthesis.onvoiceschanged = (event) => {\r\n      publish('voiceschanged', {\r\n        event,\r\n        speech\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nSpeech.isSupport = (() => {\r\n  return 'speechSynthesis' in window\r\n})()\r\n\r\nexport default Speech\r\n","import addClass from './utils/dom/addClass'\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-reader_sibling')\r\n    }\r\n\r\n    if (isPrev) {\r\n      $sibling = $sibling.previousElementSibling\r\n    } else {\r\n      $sibling = $sibling.nextElementSibling\r\n    }\r\n  }\r\n}\r\n\r\nexport default _updateSiblingElements\r\n","import cloneDeep from './utils/lang/cloneDeep'\r\nimport later from './utils/lang/later'\r\nimport isString from './utils/types/isString'\r\nimport isElement from './utils/types/isElement'\r\nimport isFunction from './utils/types/isFunction'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport at from './utils/event/at'\r\nimport stop from './utils/event/stop'\r\nimport off from './utils/event/off'\r\n\r\nimport Base from './base'\r\nimport Message from './message'\r\nimport Toolbar from './toolbar'\r\nimport Speech from './speech'\r\n\r\nimport _updateSiblingElements from './_updateSiblingElements'\r\n\r\nconst ENTER_READING_TIP = '进入阅读模式，按 ESC 键可退出阅读模式'\r\n\r\nclass Reader extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Reader.DEFAULTS)\r\n    this.reading = false\r\n\r\n    this.$target = null\r\n    this.$paper = null\r\n    this.$title = null\r\n    this.$article = null\r\n    this.$progress = null\r\n\r\n    this.toolbar = null\r\n    this.speech = null\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let target = null\r\n\r\n    this.attr(options)\r\n\r\n    target = this.attr('target')\r\n\r\n    if (isString(target)) {\r\n      this.$target = document.querySelector(target)\r\n    } else if (isElement(target)) {\r\n      this.$target = target\r\n    }\r\n\r\n    if (!this.$target) {\r\n      return this\r\n    }\r\n\r\n    if (Speech.isSupport) {\r\n      this.speech = new Speech()\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  isSpeaking() {\r\n    return this?.speech?.isSpeaking()\r\n  }\r\n\r\n  render() {\r\n    this._renderEdge()._paint(this.$target)\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$article.innerHTML = ''\r\n    return this\r\n  }\r\n\r\n  _paint($content) {\r\n    const $fragment = document.createDocumentFragment()\r\n    const $children = [...$content.cloneNode(true).children]\r\n\r\n    later(() => {\r\n      $children.forEach(($child) => {\r\n        $fragment.appendChild($child)\r\n      })\r\n\r\n      this.$article.appendChild($fragment)\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    const $paper = this.$paper\r\n    const toolbar = this.toolbar\r\n\r\n    if ($paper) {\r\n      document.body.removeChild($paper)\r\n    }\r\n\r\n    if (toolbar) {\r\n      toolbar.destroy()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  refresh() {\r\n    this.erase()._paint(this.$target)\r\n    return this\r\n  }\r\n\r\n  _renderEdge() {\r\n    const $target = this.$target\r\n    let title = this.attr('title')\r\n    let $paper\r\n    let $title\r\n    let $article\r\n    let $progress\r\n    let $sibling\r\n\r\n    $title = $target.querySelector('h1')\r\n\r\n    if (isElement(title)) {\r\n      $title = title\r\n    }\r\n\r\n    if (isElement($title)) {\r\n      title = $title.innerText\r\n    }\r\n\r\n    $title = createElement(\r\n      'h1',\r\n      {\r\n        className: 'outline-reader__title'\r\n      },\r\n      title\r\n    )\r\n    this.$title = $title\r\n\r\n    $article = createElement('article', {\r\n      id: 'outline-reader__article',\r\n      className: 'outline-reader__article'\r\n    })\r\n    this.$article = $article\r\n\r\n    $progress = createElement('div', {\r\n      className: 'outline-reader__progress'\r\n    })\r\n    this.$progress = $progress\r\n\r\n    const buttons = []\r\n\r\n    if (Speech.isSupport && this.attr('allowSpeak')) {\r\n      buttons.push({\r\n        name: 'speak',\r\n        icon: 'sound',\r\n        size: 20,\r\n        action: {\r\n          context: this,\r\n          handler: this.speak\r\n        }\r\n      })\r\n    }\r\n\r\n    buttons.push(\r\n      ...[\r\n        {\r\n          name: 'print',\r\n          icon: 'print',\r\n          size: 20,\r\n          action: {\r\n            context: this,\r\n            handler: this.print\r\n          }\r\n        },\r\n        {\r\n          name: 'exit',\r\n          icon: 'close',\r\n          size: 20,\r\n          action: {\r\n            context: this,\r\n            handler: this.exit\r\n          }\r\n        }\r\n      ]\r\n    )\r\n\r\n    this.toolbar = new Toolbar({\r\n      placement: 'rtl',\r\n      buttons\r\n    })\r\n\r\n    $paper = createElement(\r\n      'section',\r\n      {\r\n        id: 'outline-reader',\r\n        className: 'outline-reader outline-reader_hidden'\r\n      },\r\n      [$progress, $title, $article, this.toolbar.$el]\r\n    )\r\n    this.$paper = $paper\r\n\r\n    document.body.appendChild($paper)\r\n\r\n    later(() => {\r\n      // 设置邻居节点的打印样式\r\n      $sibling = $paper.previousElementSibling\r\n      _updateSiblingElements($sibling, true)\r\n\r\n      $sibling = $paper.nextElementSibling\r\n      _updateSiblingElements($sibling)\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  enter() {\r\n    const READER = 'outline-reader'\r\n    const READING = `${READER}--reading`\r\n    const HIDDEN = `${READER}_hidden`\r\n    const $paper = this.$paper\r\n    const $siblings = document.querySelectorAll('.outline-reader_sibling')\r\n    const enterReadingTip = this.attr('enterReadingTip') || ENTER_READING_TIP\r\n\r\n    if (this.reading || !$paper) {\r\n      return this\r\n    }\r\n\r\n    $siblings.forEach(($sibling) => {\r\n      addClass($sibling, HIDDEN)\r\n    })\r\n    addClass($paper, READING)\r\n    removeClass($paper, HIDDEN)\r\n    this.toolbar.show()\r\n    this.reading = true\r\n\r\n    Message.info({\r\n      round: true,\r\n      message: enterReadingTip\r\n    })\r\n\r\n    this.$emit('enterReading')\r\n\r\n    return this\r\n  }\r\n\r\n  exit() {\r\n    const READER = 'outline-reader'\r\n    const READING = `${READER}--reading`\r\n    const HIDDEN = `${READER}_hidden`\r\n    const $paper = this.$paper\r\n    const $siblings = document.querySelectorAll('.outline-reader_sibling')\r\n\r\n    if (!this.reading || !$paper) {\r\n      return this\r\n    }\r\n\r\n    addClass($paper, HIDDEN)\r\n    removeClass($paper, READING)\r\n    $siblings.forEach(($sibling) => {\r\n      removeClass($sibling, HIDDEN)\r\n    })\r\n    this.toolbar.hide()\r\n    this.reading = false\r\n\r\n    this.$emit('exitReading')\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    if (this.reading) {\r\n      this.exit()\r\n    } else {\r\n      this.enter()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  speak() {\r\n    const text = this.$article.innerText\r\n    const speech = this.speech\r\n\r\n    if (!Speech.isSupport) {\r\n      return this\r\n    }\r\n\r\n    this.toolbar.highlight('speak')\r\n\r\n    if (this.isSpeaking()) {\r\n      speech.cancel()\r\n    } else {\r\n      speech.speak(text)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  print() {\r\n    if (!isFunction(print)) {\r\n      return this\r\n    }\r\n\r\n    print()\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const $paper = this.$paper\r\n\r\n    if (!$paper) {\r\n      return this\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    return this\r\n  }\r\n\r\n  onPrint() {\r\n    this.print()\r\n    return this\r\n  }\r\n\r\n  onEnterReading() {\r\n    this.toggle()\r\n    return this\r\n  }\r\n\r\n  onExitReading(evt) {\r\n    const keyCode = evt.keyCode\r\n\r\n    if (keyCode === 27 && this.reading) {\r\n      this.toggle()\r\n      stop(evt)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $paper = this.$paper\r\n\r\n    if (!$paper) {\r\n      return this\r\n    }\r\n\r\n    at(document, 'keyup', this.onExitReading, this, true)\r\n\r\n    this.$on('toolbar:action:print', this.onPrint)\r\n    this.$on('toolbar:action:reading', this.onEnterReading)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $paper = this.$paper\r\n\r\n    if (!$paper) {\r\n      return this\r\n    }\r\n\r\n    off(document, 'keyup', this.onExitReading)\r\n\r\n    this.$off('toolbar:action:print')\r\n    this.$off('toolbar:action:reading')\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nReader.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    target: '',\r\n    title: '',\r\n    enterReadingTip: ENTER_READING_TIP,\r\n    allowSpeak: false\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Reader\r\n","import later from './utils/lang/later'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isString from './utils/types/isString'\r\nimport isElement from './utils/types/isElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\n\r\nimport getChapters from './getChapters'\r\n\r\nimport Base from './base'\r\nimport Anchors from './anchors'\r\nimport Drawer from './drawer'\r\nimport Navigator from './navigator'\r\nimport Reader from './reader'\r\nimport Toolbar from './toolbar'\r\n\r\nclass Outline extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    const options = Outline.DEFAULTS\r\n\r\n    this.attrs = cloneDeep(options)\r\n    this.$article = null\r\n    this.$scrollElement = null\r\n    this.buttons = []\r\n\r\n    this.anchors = null\r\n    this.drawer = null\r\n    this.navigator = null\r\n    this.reader = null\r\n    this.toolbar = null\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let articleElement = ''\r\n    let scrollElement = ''\r\n    let $article = null\r\n\r\n    this.attr(options)\r\n\r\n    articleElement = this.attr('articleElement')\r\n    scrollElement = this.attr('scrollElement')\r\n\r\n    if (isString(articleElement)) {\r\n      $article = document.querySelector(articleElement)\r\n    } else if (isElement(articleElement)) {\r\n      $article = articleElement\r\n    }\r\n    this.$article = $article\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n\r\n    this.$emit('created', { ...this.attr() })\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  getChapters(isTreeStructured = false) {\r\n    const articleElement = this.$article\r\n    const selector = this.attr('selector')\r\n    const showCode = this.attr('showCode') || true\r\n    const chapterTextFilter = this.attr('chapterTextFilter')\r\n\r\n    return getChapters({\r\n      articleElement,\r\n      selector,\r\n      showCode,\r\n      chapterTextFilter,\r\n      isTreeStructured\r\n    })\r\n  }\r\n\r\n  count() {\r\n    return this.getChapters().length\r\n  }\r\n\r\n  render() {\r\n    const hasToolbar = this.attr('hasToolbar')\r\n    const $scrollElement = this.$scrollElement\r\n\r\n    this._renderReader()._renderAnchors()._renderNavigator()._renderToolbar()\r\n\r\n    if ($scrollElement && hasToolbar) {\r\n      this._updateToolbar({\r\n        top: $scrollElement.scrollTop,\r\n        min: 0,\r\n        max: $scrollElement.scrollHeight\r\n      })\r\n    }\r\n\r\n    this.$emit('mounted')\r\n\r\n    return this\r\n  }\r\n\r\n  refresh() {\r\n    const chapters = this.getChapters()\r\n\r\n    this.anchors.refresh(chapters)\r\n    this.navigator.refresh(chapters)\r\n    this.reader.refresh()\r\n\r\n    return this\r\n  }\r\n\r\n  _renderReader() {\r\n    const option = this.attr('reader')\r\n\r\n    if (!option.target) {\r\n      return this\r\n    }\r\n\r\n    addClass(this.$article, 'outline-article')\r\n\r\n    this.reader = new Reader(option)\r\n\r\n    return this\r\n  }\r\n\r\n  _renderAnchors() {\r\n    const articleElement = this.attr('articleElement')\r\n    const selector = this.attr('selector')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const scrollElement = this.attr('scrollElement')\r\n    const showCode = this.attr('showCode')\r\n    const anchorURL = this.attr('anchorURL')\r\n    const afterScroll = this.attr('afterScroll')\r\n    const chapterTextFilter = this.attr('chapterTextFilter')\r\n\r\n    this.anchors = new Anchors({\r\n      articleElement,\r\n      stickyHeight,\r\n      scrollElement,\r\n      selector,\r\n      showCode,\r\n      anchorURL,\r\n      afterScroll,\r\n      chapterTextFilter\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  _renderNavigator() {\r\n    const title = this.attr('title')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const scrollElement = this.attr('scrollElement')\r\n    const customClass = this.attr('customClass')\r\n    const showCode = this.attr('showCode')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const closeOnClickModal = this.attr('closeOnClickModal')\r\n    const showNavModalFirst = this.attr('showNavModalFirst')\r\n    const position = this.attr('position')\r\n    const placement = this.attr('placement')\r\n    const afterSticky = this.attr('afterSticky')\r\n    const afterToggle = this.attr('afterToggle')\r\n    const afterScroll = this.attr('afterScroll')\r\n    const count = this.count()\r\n    let parentElement = this.attr('parentElement')\r\n    let OPTIONS\r\n\r\n    if (count < 1) {\r\n      return this\r\n    }\r\n\r\n    OPTIONS = {\r\n      scrollElement,\r\n      showCode,\r\n      animationCurrent,\r\n      position,\r\n      title,\r\n      stickyHeight,\r\n      chapters: this.getChapters(),\r\n      afterSticky,\r\n      afterToggle,\r\n      afterScroll\r\n    }\r\n\r\n    if (position === 'relative') {\r\n      this.drawer = new Drawer({\r\n        placement,\r\n        title,\r\n        size: 'tiny',\r\n        hasOffset: true,\r\n        hasPadding: false,\r\n        closeOnClickModal,\r\n        customClass,\r\n        afterClosed: () => {\r\n          const toolbar = this.toolbar\r\n          toolbar.toggle()\r\n        }\r\n      })\r\n      parentElement = this.drawer.$main\r\n\r\n      if (showNavModalFirst) {\r\n        this.drawer.open()\r\n      }\r\n    } else {\r\n      OPTIONS.customClass = customClass\r\n    }\r\n\r\n    OPTIONS.parentElement = parentElement\r\n    this.navigator = new Navigator(OPTIONS)\r\n\r\n    return this\r\n  }\r\n\r\n  _renderToolbar() {\r\n    const position = this.attr('position')\r\n    const hasToolbar = this.attr('hasToolbar')\r\n    const showNavModalFirst = this.attr('showNavModalFirst')\r\n    const placement = this.attr('placement')\r\n    const homepage = this.attr('homepage')\r\n    const git = this.attr('git')\r\n    const tags = this.attr('tags')\r\n    const issues = this.attr('issues')\r\n    const tools = this.attr('tools')\r\n    const option = this.attr('reader')\r\n    const count = this.count()\r\n    const UP = {\r\n      name: 'up',\r\n      icon: 'up',\r\n      size: 20,\r\n      action: {\r\n        context: this,\r\n        handler: this.toTop\r\n      }\r\n    }\r\n    const HOME = {\r\n      name: 'homepage',\r\n      icon: 'homepage',\r\n      size: 20,\r\n      link: homepage\r\n    }\r\n    const GIT = {\r\n      name: 'github',\r\n      icon: 'github',\r\n      size: 20,\r\n      link: git\r\n    }\r\n    const TAGS = {\r\n      name: 'tags',\r\n      icon: 'tags',\r\n      size: 20,\r\n      link: tags\r\n    }\r\n    const ISSUES = {\r\n      name: 'issues',\r\n      icon: 'issues',\r\n      size: 20,\r\n      link: issues\r\n    }\r\n    const MENU = {\r\n      name: 'toggle',\r\n      icon: 'menu',\r\n      size: 18,\r\n      action: {\r\n        context: this,\r\n        handler: this.toggle\r\n      }\r\n    }\r\n    const READING = {\r\n      name: 'reading',\r\n      icon: 'file',\r\n      size: 18,\r\n      action: {\r\n        context: this,\r\n        handler: 'toolbar:action:reading'\r\n      }\r\n    }\r\n    const PRINT = {\r\n      name: 'print',\r\n      icon: 'print',\r\n      size: 20,\r\n      action: {\r\n        handler: 'toolbar:action:print'\r\n      }\r\n    }\r\n    const DOWN = {\r\n      name: 'down',\r\n      icon: 'down',\r\n      size: 20,\r\n      action: {\r\n        context: this,\r\n        handler: this.toBottom\r\n      }\r\n    }\r\n    const buttons = []\r\n\r\n    if (!hasToolbar) {\r\n      return this\r\n    }\r\n\r\n    buttons.push(UP)\r\n    if (count > 0) {\r\n      buttons.push(MENU)\r\n    }\r\n    if (homepage) {\r\n      buttons.push(HOME)\r\n    }\r\n    if (git) {\r\n      buttons.push(GIT)\r\n    }\r\n    if (tags) {\r\n      buttons.push(TAGS)\r\n    }\r\n    if (issues) {\r\n      buttons.push(ISSUES)\r\n    }\r\n    if (option.target) {\r\n      buttons.push(READING)\r\n      if (isFunction(print)) {\r\n        buttons.push(PRINT)\r\n      }\r\n    }\r\n    if (tools?.length > 0) {\r\n      buttons.push(...tools)\r\n    }\r\n    buttons.push(DOWN)\r\n    this.buttons = [...buttons]\r\n\r\n    this.toolbar = new Toolbar({\r\n      placement,\r\n      buttons\r\n    })\r\n\r\n    if (position === 'relative' && showNavModalFirst) {\r\n      this.toolbar.hide()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addButton(button) {\r\n    const toolbar = this.toolbar\r\n    const buttons = this.buttons\r\n    buttons.splice(-1, 0, button)\r\n    toolbar.attr({\r\n      buttons\r\n    })\r\n    toolbar.refresh()\r\n    return this\r\n  }\r\n\r\n  removeButton(name) {\r\n    this.toolbar.remove(name)\r\n    return this\r\n  }\r\n\r\n  _updateToolbar({ top, min, max }) {\r\n    const toolbar = this.toolbar\r\n    const current = Math.ceil(top)\r\n\r\n    if (current <= min) {\r\n      toolbar.hide('up')\r\n      toolbar.show('down')\r\n    } else if (current >= max) {\r\n      toolbar.hide('down')\r\n      toolbar.show('up')\r\n    } else if (current > min && current < max) {\r\n      toolbar.show('up')\r\n      toolbar.show('down')\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toTop() {\r\n    const afterScroll = this.attr('afterScroll')\r\n    const toolbar = this.toolbar\r\n    const navigator = this.navigator\r\n    const count = this.count()\r\n    const afterTop = () => {\r\n      toolbar.hide('up')\r\n      toolbar.show('down')\r\n\r\n      if (count > 0) {\r\n        navigator.highlight(0)\r\n        navigator.playing = false\r\n        scrollTo(navigator.$main, 0)\r\n      }\r\n\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(toolbar, 'up')\r\n      }\r\n    }\r\n\r\n    if (count > 0) {\r\n      navigator.playing = true\r\n    }\r\n    this.scrollTo(0, afterTop)\r\n\r\n    return this\r\n  }\r\n\r\n  toBottom() {\r\n    const afterScroll = this.attr('afterScroll')\r\n    const $scrollElement = this.$scrollElement\r\n    const toolbar = this.toolbar\r\n    const navigator = this.navigator\r\n    const count = this.count()\r\n    const top = Math.floor(\r\n      $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n    )\r\n    const afterDown = () => {\r\n      const $main = navigator.$main\r\n      toolbar.hide('down')\r\n      toolbar.show('up')\r\n\r\n      if (count > 0) {\r\n        navigator.highlight(count - 1)\r\n        scrollTo($main, $main.scrollHeight)\r\n        navigator.playing = false\r\n      }\r\n\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(toolbar, 'bottom')\r\n      }\r\n    }\r\n\r\n    if (count > 0) {\r\n      navigator.playing = true\r\n    }\r\n\r\n    this.scrollTo(top, afterDown)\r\n\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, afterScroll) {\r\n    scrollTo(this.$scrollElement, top, afterScroll)\r\n    return this\r\n  }\r\n\r\n  enterReading() {\r\n    const reader = this.reader\r\n\r\n    if (!reader || reader.reading) {\r\n      return this\r\n    }\r\n\r\n    this.toolbar.toggle()\r\n    reader.enter()\r\n\r\n    return this\r\n  }\r\n\r\n  exitReading() {\r\n    const reader = this.reader\r\n\r\n    if (!reader || !reader.reading) {\r\n      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\ No newline at end of file
diff --git a/navigator.js b/navigator.js
index 77e77dc..2842a36 100644
--- a/navigator.js
+++ b/navigator.js
@@ -288,7 +288,6 @@ class Navigator extends Base {
     const $main = this.$main
     const $list = this.$list
     const $anchor = $list.querySelector('.outline-navigator__anchor')
-    const animationCurrent = this.attr('animationCurrent')
     const mainPaddingTop = parseInt(getStyle($main, 'padding-top'), 10)
     const mainBorderTop = parseInt(getStyle($main, 'border-top-width'), 10)
     const placeholderPaddingTop = parseInt(getStyle($list, 'padding-top'), 10)
@@ -301,10 +300,6 @@ class Navigator extends Base {
     let offsetTop = 0
     let top
 
-    if (!animationCurrent) {
-      return this
-    }
-
     if (mainPaddingTop) {
       offsetTop += mainPaddingTop
     }
@@ -384,6 +379,7 @@ class Navigator extends Base {
     }
 
     later(() => {
+      console.log(!inBounding(this.$active, this.$main))
       if (!inBounding(this.$active, this.$main)) {
         placeholderOffsetTop = this._getPlaceholderOffset(this.active)
         console.log('placeholderOffsetTop', placeholderOffsetTop)
diff --git a/navigator.min.js b/navigator.min.js
index 0ab28b3..532db1e 100644
--- a/navigator.min.js
+++ b/navigator.min.js
@@ -1,2 +1,2 @@
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this.count()<1||("html"!==s&&"body"!==s||(r=window),h(e,"click",this.onSelect),h(r,"scroll",this.onScroll),this.isSticky()&&h(window,"resize",this.onResize),this.$off("anchors:all:paint"),this.Observer&&document.querySelectorAll(t).forEach((t=>{this.Observer.unobserve(t)}))),this}}return R.DEFAULTS=O({parentElement:"",scrollElement:"",selector:".outline-heading",active:0,closed:!1,showCode:!0,animationCurrent:!0,position:"relative",stickyHeight:0,chapters:[],created:null,mounted:null,afterClosed:null,afterOpened:null,afterScroll:null,beforeDestroy:null,afterDestroy:null,afterSticky:null}),R}));
 //# sourceMappingURL=navigator.min.js.map
diff --git a/navigator.min.js.map b/navigator.min.js.map
index 4cbb9e5..f297a8f 100644
--- a/navigator.min.js.map
+++ b/navigator.min.js.map
@@ -1 +1 @@
-{"version":3,"file":"navigator.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/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/lang/hasOwn.js","utils/dom/createElement.js","utils/dom/setAttributes.js","utils/dom/setAttribute.js","utils/lang/easeInQuad.js","utils/dom/_getScrollElement.js","utils/dom/scrollTo.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","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","navigator.js","_paintChapters.js","utils/dom/inBounding.js","utils/dom/intersection.js","utils/event/stop.js"],"sourcesContent":["/**\r\n * 检测数据是否为 String 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} str\r\n * @returns {boolean}\r\n */\r\nconst isString = (str) => {\r\n  return typeof str === 'string'\r\n}\r\n\r\nexport default isString\r\n","/**\r\n * Object 对象原型上的 toString 方法\r\n * ========================================================================\r\n * @method toString\r\n * @param {*} val\r\n * @returns {string}\r\n */\r\nconst toString = (val) => {\r\n  return Object.prototype.toString.apply(val)\r\n}\r\n\r\nexport default toString\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测测试数据是否为 Function 类型\r\n * ========================================================================\r\n * @method isFunction\r\n * @param {*} val - （必须）待检测的数据\r\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\r\n */\r\nconst isFunction = (val) => {\r\n  return typeof val === 'function' || toString(val) === '[object Function]'\r\n}\r\n\r\nexport default isFunction\r\n","import toString from '../lang/toString'\r\nimport isFunction from './isFunction'\r\n\r\n/**\r\n * 检测数据是否为 Object 类型\r\n * ========================================================================\r\n * @method isObject\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isObject = (o) => {\r\n  return (\r\n    (toString(o) === '[object Object]' ||\r\n      typeof o === 'object' ||\r\n      isFunction(o)) &&\r\n    o !== null\r\n  )\r\n}\r\n\r\nexport default isObject\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测数据是否为 HTMLElement DOM 节点\r\n * ========================================================================\r\n * @method isElement\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isElement = (o) => {\r\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\r\n}\r\n\r\nexport default isElement\r\n","import isFunction from '../types/isFunction'\r\n\r\n/**\r\n * later - 延迟执行方法\r\n * ========================================================================\r\n * @method later\r\n * @param {Function} fn\r\n * @param {Number} [delay]\r\n * @returns {number|boolean}\r\n */\r\nconst later = (fn, delay = 300) => {\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  return setTimeout(() => {\r\n    fn()\r\n  }, delay)\r\n}\r\n\r\nexport default later\r\n","export const CAPTURE_EVENTS = [\r\n  'focusout',\r\n  'blur',\r\n  'focusin',\r\n  'focus',\r\n  'load',\r\n  'unload',\r\n  'mouseenter',\r\n  'mouseleave'\r\n]\r\n","import { CAPTURE_EVENTS } from './enum'\r\nimport _delete from './_delete'\r\n\r\n/**\r\n * （私有方法）取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method _off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} fn - （必须）事件处理器回调函数\r\n * @private\r\n */\r\nconst _off = (el, type, fn) => {\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  /* istanbul ignore else */\r\n  if (fn._delegateListener) {\r\n    fn = fn._delegateListener\r\n    delete fn._delegateListener\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  _delete(el, type, fn)\r\n\r\n  el.removeEventListener(type, fn, capture)\r\n}\r\n\r\nexport default _off\r\n","/**\r\n * 删除 DOM 元素缓存的 _listeners 数据\r\n * ========================================================================\r\n * @method _delete\r\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\r\n * @param {String} type - 事件类型（名称）\r\n * @param {Function} [fn] - 事件处理器回调函数\r\n */\r\nconst _delete = function (el, type, fn) {\r\n  const listeners = el._listeners\r\n  let index = -1\r\n\r\n  if (listeners.length < 1) {\r\n    return false\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  listeners.forEach((listener, i) => {\r\n    const handler = listener.fn\r\n\r\n    if (type === listener.type) {\r\n      index = i\r\n\r\n      if (handler === fn) {\r\n        index = i\r\n      }\r\n    }\r\n  })\r\n\r\n  /* istanbul ignore else */\r\n  if (index > -1) {\r\n    listeners.splice(index, 1)\r\n  }\r\n}\r\n\r\nexport default _delete\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport getListeners from './getListeners'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 销毁（type 类型的）代理事件绑定\r\n * ========================================================================\r\n * 1. 设置了事件类型 type，则销毁指定类型的事件绑定，否则清除所有代理事件绑定\r\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\r\n * ========================================================================\r\n * @method purgeElement\r\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\r\n * @param {String|Boolean} type - （必须）事件类型\r\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\r\n */\r\nconst purgeElement = function (el, type, recurse = false) {\r\n  const $element = isString(el) ? document.querySelector(el) : el\r\n  const $children = $element.childNodes\r\n  const listeners = getListeners($element, type)\r\n\r\n  listeners.forEach((listener) => {\r\n    _off($element, listener.type, listener.fn)\r\n  })\r\n\r\n  if (\r\n    (recurse || type === true || arguments.length === 1) &&\r\n    $element &&\r\n    $children\r\n  ) {\r\n    $children.forEach(($child) => {\r\n      if (isElement($child)) {\r\n        purgeElement($child, type, recurse)\r\n      }\r\n    })\r\n  }\r\n}\r\n\r\nexport default purgeElement\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 获取 DOM 元素（type 事件类型）事件绑定信息\r\n * ========================================================================\r\n * 如果设置了事件类型 type， 则返回指定类型的事件绑定信息，否则返回所有事件绑定信息\r\n * ========================================================================\r\n * @methods getListeners\r\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\r\n * @param {String} [type] - （可选）事件类型\r\n * @returns {Array} - 已绑定的事件信息\r\n */\r\nconst getListeners = (el, type) => {\r\n  let listeners = el._listeners || []\r\n\r\n  if (isString(type) && type) {\r\n    listeners = listeners.filter((listener) => {\r\n      return listener.type === type\r\n    })\r\n  }\r\n\r\n  return listeners\r\n}\r\n\r\nexport default getListeners\r\n","import purgeElement from './purgeElement'\r\nimport isFunction from '../types/isFunction'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method off\r\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} [fn] - （可选）事件处理器回调函数\r\n */\r\nconst off = (el, type, fn) => {\r\n  // 如果不设置 fn 参数，默认清除 el 元素上绑定的所有事件处理器\r\n  if (!isFunction(fn)) {\r\n    purgeElement(el, type)\r\n    return false\r\n  }\r\n\r\n  _off(el, type, fn)\r\n}\r\n\r\nexport default off\r\n","import isFunction from '../types/isFunction'\r\nimport off from './off'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定事件\r\n * ========================================================================\r\n * @method at\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （必须） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst at = (el, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n  const listener = function (evt) {\r\n    let overrideContext = context || el\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    // 仅触发一次\r\n    /* istanbul ignore else */\r\n    if (once === true) {\r\n      off(el, type, listener)\r\n    }\r\n\r\n    fn.call(overrideContext, evt, data)\r\n  }\r\n\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default at\r\n","/**\r\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\r\n * ========================================================================\r\n * Element.matches() 方法可以用来判断 DOM 元素是否与给定的选择器匹配，事件代理判断是\r\n * 否触发绑定的代理事件回调函数，关键就是使用 Element.matches() 辨别当前事件触发的目\r\n * 标 DOM 元素是否为事件代理所期望触发的目标。\r\n * ========================================================================\r\n * @method matches\r\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\r\n * @returns {Boolean}\r\n */\r\nconst matches = (el, selector = '') => {\r\n  const sel = selector.replace(/^>/i, '')\r\n\r\n  if (!selector || !sel || !el) {\r\n    return false\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (el.matches) {\r\n    return el.matches(sel)\r\n  } else if (el.msMatchesSelector) {\r\n    return el.msMatchesSelector(sel)\r\n  } else {\r\n    return false\r\n  }\r\n}\r\n\r\nexport default matches\r\n","/**\r\n * 获取 DOM 元素的父节点\r\n * ========================================================================\r\n * @method getParentOrHost\r\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\r\n * @returns {*|HTMLElement}\r\n */\r\nconst getParentOrHost = (el) => {\r\n  return el.host && el !== document && el.host.nodeType\r\n    ? el.host\r\n    : el.parentNode\r\n}\r\n\r\nexport default getParentOrHost\r\n","import closest from '../dom/closest'\r\nimport off from './off'\r\nimport getTarget from './getTarget'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定代理事件\r\n * ========================================================================\r\n * @method on\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （可选） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst on = (el, selector, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  const listener = function (evt) {\r\n    const target = getTarget(evt)\r\n    // 通过 Element.matches 方法获得点击的目标元素\r\n    const delegateTarget = closest(target, selector, el)\r\n    let overrideContext = context || el\r\n\r\n    evt.delegateTarget = delegateTarget\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (delegateTarget) {\r\n      // 仅触发一次\r\n      /* istanbul ignore else */\r\n      if (once === true) {\r\n        off(el, type, listener)\r\n      }\r\n\r\n      fn.call(overrideContext, evt, data)\r\n    }\r\n  }\r\n\r\n  if (!el) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    selector,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default on\r\n","import resolveTextNode from '../dom/resolveTextNode'\r\n\r\n/**\r\n * 返回触发事件的 target DOM 元素\r\n * ========================================================================\r\n * @method getTarget\r\n * @param {Event} evt - Event 对象\r\n * @return {HTMLElement} - Event 对象的 target DOM 元素\r\n */\r\nconst getTarget = function (evt) {\r\n  const target = evt.target\r\n\r\n  return resolveTextNode(target)\r\n}\r\n\r\nexport default getTarget\r\n","/**\r\n * 在某些情况下，某些浏览器（例如：Safari 浏览器）会返回实际的目标元素内部的文本节点。\r\n * resolveTextNode() 方法则会返回实际的目标节点。\r\n * ========================================================================\r\n * @method resolveTextNode\r\n * @param {HTMLElement|Text} el - 要解析的节点\r\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\r\n */\r\nconst resolveTextNode = function (el) {\r\n  if (el && el.nodeType === 3) {\r\n    return el.parentNode\r\n  }\r\n\r\n  return el\r\n}\r\n\r\nexport default resolveTextNode\r\n","import matches from './matches'\r\nimport getParentOrHost from './getParentOrHost'\r\n\r\n/**\r\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\r\n * ========================================================================\r\n * @method closest\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）DOM 元素的选择其\r\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\r\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\r\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\r\n */\r\nconst closest = (el, selector, ctx, includeCTX) => {\r\n  const context = ctx || document\r\n\r\n  if (!el) {\r\n    return null\r\n  }\r\n\r\n  do {\r\n    /* istanbul ignore else */\r\n    if (\r\n      (selector != null &&\r\n        (selector.startsWith('>')\r\n          ? el.parentNode === context && matches(el, selector)\r\n          : matches(el, selector))) ||\r\n      (includeCTX && el === context)\r\n    ) {\r\n      return el\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (el === context) {\r\n      break\r\n    }\r\n\r\n    /* jshint boss:true */\r\n  } while ((el = getParentOrHost(el)))\r\n}\r\n\r\nexport default closest\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测数据是否为 Array 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isArray = (o) => {\r\n  if (Array.isArray) {\r\n    return Array.isArray(o)\r\n  } else {\r\n    return toString(o) === '[object Array]'\r\n  }\r\n}\r\n\r\nexport default isArray\r\n","import isObject from './isObject'\r\nimport isElement from './isElement'\r\nimport isHTMLCollection from './isHTMLCollection'\r\nimport isFragment from './isFragment'\r\nimport isTextNode from './isTextNode'\r\n\r\nconst isDOM = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (isElement(el) || isHTMLCollection(el) || isFragment(el) || isTextNode(el))\r\n  )\r\n}\r\n\r\nexport default isDOM\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isHTMLCollection = (el) => {\r\n  return !!(isObject(el) && toString(el) === '[object NodeList]')\r\n}\r\n\r\nexport default isHTMLCollection\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isFragment = (fragment) => {\r\n  return !!(\r\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\r\n  )\r\n}\r\n\r\nexport default isFragment\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isTextNode = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (toString(el) === '[object Text]' || (el.tagName && el.nodeType === 3))\r\n  )\r\n}\r\n\r\nexport default isTextNode\r\n","/**\r\n * 检测对象自身属性中是否具有指定的属性。\r\n * ========================================================================\r\n * @method hasOwn\r\n * @param {Object} obj - （必须）检测的目标对象\r\n * @param {String} prop - （必须）属性名\r\n * @returns {Boolean}\r\n */\r\nconst hasOwn = (obj, prop) => {\r\n  const hasOwnProperty = Object.prototype.hasOwnProperty\r\n  return obj && hasOwnProperty.call(obj, prop)\r\n}\r\n\r\nexport default hasOwn\r\n","import isObject from '../types/isObject'\r\nimport isString from '../types/isString'\r\nimport isArray from '../types/isArray'\r\nimport isDOM from '../types/isDOM'\r\nimport setAttributes from './setAttributes'\r\n\r\n/**\r\n * 创建 DOM 节点，并添加属性和子节点\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} tagName - 标签名称\r\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\r\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (tagName, attrs, children) => {\r\n  const $fragment = document.createDocumentFragment()\r\n  const $el = document.createElement(tagName)\r\n  const isValidChild = (child) => {\r\n    return isDOM(child) || isString(child)\r\n  }\r\n  const append = (child) => {\r\n    let $child\r\n\r\n    if (!isValidChild(child)) {\r\n      return false\r\n    }\r\n\r\n    if (isDOM(child)) {\r\n      $child = child\r\n    } else if (isString(child)) {\r\n      $child = document.createTextNode(child)\r\n    }\r\n\r\n    $fragment.appendChild($child)\r\n  }\r\n\r\n  if (isObject(attrs)) {\r\n    setAttributes($el, attrs)\r\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\r\n    attrs.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else if (isDOM(attrs)) {\r\n    append(attrs)\r\n  } else if (isString(attrs)) {\r\n    append(document.createTextNode(attrs))\r\n  }\r\n\r\n  if (isArray(children)) {\r\n    children.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else {\r\n    append(children)\r\n  }\r\n\r\n  $el.appendChild($fragment)\r\n\r\n  return $el\r\n}\r\n\r\nexport default createElement\r\n","import isObject from '../types/isObject'\r\nimport hasOwn from '../lang/hasOwn'\r\nimport setAttribute from './setAttribute'\r\n\r\nconst setAttributes = (el, attrs) => {\r\n  if (!el || !isObject(attrs)) {\r\n    return false\r\n  }\r\n\r\n  Object.keys(attrs).forEach((attr) => {\r\n    const value = attrs[attr]\r\n    if (hasOwn(attrs, attr)) {\r\n      setAttribute(el, attr, value)\r\n    }\r\n  })\r\n}\r\n\r\nexport default setAttributes\r\n","/**\r\n * 给 DOM 节点设置属性/值\r\n * ========================================================================\r\n * @method setAttribute\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} attr - 属性名称\r\n * @param {String|Number|Boolean} value - 属性值\r\n */\r\nconst setAttribute = (el, attr, value) => {\r\n  let tagName = el.tagName.toLowerCase()\r\n\r\n  switch (attr) {\r\n    case 'style':\r\n      el.style.cssText = value\r\n      break\r\n    case 'value':\r\n      if (tagName === 'input' || tagName === 'textarea') {\r\n        el.value = value\r\n      } else {\r\n        el.setAttribute(attr, value)\r\n      }\r\n      break\r\n    case 'htmlFor':\r\n      el.setAttribute('for', value)\r\n      break\r\n    case 'className':\r\n      el.className = value\r\n      break\r\n    case 'innerHTML':\r\n      el.innerHTML = value\r\n      break\r\n    case 'innerText':\r\n      el.innerText = value\r\n      break\r\n    default:\r\n      el.setAttribute(attr, value)\r\n      break\r\n  }\r\n}\r\n\r\nexport default setAttribute\r\n","/**\r\n * 返回给定值的平方值\r\n * ========================================================================\r\n * @method easeInQuad\r\n * @param {Number} x\r\n * @returns {number}\r\n */\r\nconst easeInQuad = (x) => {\r\n  return x * x\r\n}\r\n\r\nexport default easeInQuad\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\r\n * ========================================================================\r\n * @method _getScrollElement\r\n * @param {String|HTMLElement} scrollElement\r\n * @returns {Element}\r\n * @private\r\n */\r\nconst _getScrollElement = (scrollElement = null) => {\r\n  let $rootElements\r\n  let $scrollElement\r\n\r\n  if (!scrollElement) {\r\n    $rootElements = document.querySelectorAll('html,body')\r\n    $scrollElement =\r\n      $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\r\n        ? $rootElements[0]\r\n        : $rootElements[1]\r\n  } else {\r\n    if (isString(scrollElement)) {\r\n      $scrollElement = document.querySelector(scrollElement)\r\n    } else if (isElement(scrollElement)) {\r\n      $scrollElement = scrollElement\r\n    }\r\n  }\r\n\r\n  return $scrollElement\r\n}\r\n\r\nexport default _getScrollElement\r\n","import easeInQuad from '../lang/easeInQuad'\r\nimport isFunction from '../types/isFunction'\r\nimport _getScrollElement from './_getScrollElement'\r\n\r\n/**\r\n * 指定 rootElement DOM 节点滚动到指定 top 位置\r\n * ========================================================================\r\n * @method scrollTo\r\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\r\n * @param {Number} top - （必须）滚动的 scrollTop 数值\r\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\r\n */\r\nconst scrollTo = (scrollElement, top, afterStop) => {\r\n  const $scrollElement = _getScrollElement(scrollElement)\r\n  let scrollTop = $scrollElement.scrollTop\r\n  let step = 0\r\n  const distance = top - scrollTop\r\n  const MAX_HEIGHT = $scrollElement.scrollHeight\r\n  const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\r\n  const stop = (top) => {\r\n    if (isFunction(afterStop)) {\r\n      afterStop(top)\r\n    }\r\n\r\n    return false\r\n  }\r\n  const play = () => {\r\n    step += 1\r\n\r\n    // 向上滚动\r\n    if (distance < 0) {\r\n      scrollTop -= easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop <= top) {\r\n        $scrollElement.scrollTop = top\r\n        return stop(top)\r\n      }\r\n    } else {\r\n      scrollTop += easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop >= MAX_TOP) {\r\n        $scrollElement.scrollTop = MAX_TOP\r\n        return stop(MAX_TOP)\r\n      }\r\n    }\r\n\r\n    // eslint-disable-next-line compat/compat\r\n    requestAnimationFrame(play)\r\n  }\r\n\r\n  // eslint-disable-next-line compat/compat\r\n  requestAnimationFrame(play)\r\n}\r\n\r\nexport default scrollTo\r\n","import isElement from '../types/isElement'\r\n/**\r\n * 检测 DOM 节点是否包含名为 className 的样式\r\n * ========================================================================\r\n * @method hasClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst hasClass = (el, className) => {\r\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\r\n  let allClass\r\n  let classList\r\n\r\n  if (!isElement(el)) {\r\n    return false\r\n  }\r\n\r\n  allClass = el.className\r\n\r\n  if (!allClass) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList && classList.contains) {\r\n    return el.classList.contains(className)\r\n  }\r\n\r\n  return !!pattern.exec(allClass)\r\n}\r\n\r\nexport default hasClass\r\n","import hasClass from './hasClass'\r\n\r\n/**\r\n * 给 DOM 节点添加名为 className 的样式\r\n * ========================================================================\r\n * @method addClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst addClass = (el, className) => {\r\n  let classList\r\n  let allClass\r\n\r\n  if (hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.add) {\r\n    classList.add(className)\r\n  } else {\r\n    allClass = el.className\r\n    allClass += allClass.length > 0 ? ' ' + className : className\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default addClass\r\n","import trim from '../lang/trim'\r\nimport hasClass from './hasClass'\r\n\r\n/**\r\n * 移除 DOM 节点的 className 样式\r\n * ========================================================================\r\n * @method removeClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst removeClass = (el, className) => {\r\n  let allClass = el.className\r\n  let classList\r\n\r\n  if (!allClass || !hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.remove) {\r\n    classList.remove(className)\r\n  } else {\r\n    allClass = trim(allClass.replace(className, ''))\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default removeClass\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 清楚字符串起始位置所有的空格\r\n * ========================================================================\r\n * @method trim\r\n * @param {string} str\r\n * @returns {string|Boolean}\r\n */\r\nconst trim = (str) => {\r\n  if (!isString(str)) {\r\n    return false\r\n  }\r\n  return str.replace(/(^\\s+)|(\\s+$)/g, '')\r\n}\r\n\r\nexport default trim\r\n","/**\r\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\r\n * ========================================================================\r\n * @method offsetTop\r\n * @param {HTMLElement} el - DOM 节点\r\n * @returns {Number}\r\n */\r\nconst offsetTop = (el) => {\r\n  let top = el.offsetTop\r\n\r\n  if (el.offsetParent !== null) {\r\n    top += offsetTop(el.offsetParent)\r\n  }\r\n\r\n  return top\r\n}\r\n\r\nexport default offsetTop\r\n","/**\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","/**\r\n * timeSlice.js 时间切片功能函数\r\n * ====================================================\r\n * Created By: Yaohaixiao\r\n * Update: 2023.09.04\r\n */\r\nimport isFunction from '../types/isFunction'\r\nimport later from './later'\r\n\r\nconst queue = []\r\nlet isHandling\r\nlet done\r\n\r\n// Shim from https://developers.google.com/web/updates/2015/08/using-requestidlecallback\r\nif (typeof window.requestIdleCallback === 'undefined') {\r\n  window.requestIdleCallback = function (cb) {\r\n    const start = Date.now()\r\n    return later(function () {\r\n      cb({\r\n        didTimeout: false,\r\n        timeRemaining: function () {\r\n          return Math.max(0, 50 - (Date.now() - start))\r\n        }\r\n      })\r\n    }, 10)\r\n  }\r\n\r\n  window.cancelIdleCallback = function (id) {\r\n    clearTimeout(id)\r\n  }\r\n}\r\n\r\nfunction runIdle(idleDeadline) {\r\n  while (idleDeadline.timeRemaining() > 0 && queue.length) {\r\n    const fn = queue.shift()\r\n\r\n    if (!isFunction(fn)) {\r\n      return false\r\n    }\r\n\r\n    fn()\r\n  }\r\n\r\n  if (queue.length) {\r\n    isHandling = requestIdleCallback(runIdle)\r\n  } else {\r\n    isHandling = 0\r\n\r\n    if (isFunction(done)) {\r\n      done()\r\n      done = null\r\n    }\r\n  }\r\n}\r\n\r\n/**\r\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\r\n * 多个短时间任务\r\n * ====================================================\r\n * @param {Function} fn - 需要在空闲时执行的回调函数\r\n * @param {Function} afterComplete - queen 的\r\n * @return {(function(): (boolean|undefined))|*|boolean}\r\n */\r\nconst timeSlice = (fn, afterComplete = null) => {\r\n  queue.push(fn)\r\n\r\n  if (isFunction(afterComplete)) {\r\n    done = afterComplete\r\n  }\r\n\r\n  if (!isHandling) {\r\n    requestIdleCallback(runIdle)\r\n  }\r\n}\r\n\r\nexport default timeSlice\r\n","/**\r\n * 存储订阅者（主题和处理器的）私有对象\r\n * ========================================================================\r\n * @type {{}}\r\n * @private\r\n */\r\nconst _subscribers = {}\r\n\r\nexport default _subscribers\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\r\n * ========================================================================\r\n * @method _hasDirectSubscribersFor\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasDirectSubscribersFor = (topic) => {\r\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\r\n}\r\n\r\nexport default _hasDirectSubscribersFor\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\nimport _hasSubscribers from './_hasSubscribers'\r\n\r\n/**\r\n * 判断是否存在包含 topic 指定的订阅者信息\r\n * ========================================================================\r\n * @method has\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\r\n * @returns {Boolean}\r\n */\r\nconst has = (topic, isDirect = true) => {\r\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\r\n}\r\n\r\nexport default has\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * 判断是否存在包含给定 topic 相关的订阅者信息\r\n * ========================================================================\r\n * @method _hasSubscribers\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasSubscribers = (topic) => {\r\n  let found = _hasDirectSubscribersFor(topic)\r\n  let position = topic.lastIndexOf('.')\r\n\r\n  while (!found && position !== -1) {\r\n    topic = topic.substring(0, position)\r\n    position = topic.lastIndexOf('.')\r\n    found = _hasDirectSubscribersFor(topic)\r\n  }\r\n\r\n  return found\r\n}\r\n\r\nexport default _hasSubscribers\r\n","import isTypedArray from '../types/isTypedArray'\r\nimport _subscribers from './_subscribers'\r\nimport has from './has'\r\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * （异步）发布订阅主题信息\r\n * ========================================================================\r\n * 主题默认是异步发布的。确保在消费者处理主题时，主题的发起者不会被阻止。\r\n * ========================================================================\r\n * @method emit\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Object} [data] - （可选）数据对象\r\n * @param {Boolean} [async] - (可选) 是否异步发布\r\n */\r\nconst emit = (topic, data, async = true) => {\r\n  const execute = (topic) => {\r\n    if (!_hasDirectSubscribersFor(topic)) {\r\n      return false\r\n    }\r\n\r\n    _subscribers[topic].forEach((subscriber) => {\r\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\r\n      // 采用 toString() 方法转化为普通（JSON）字符串\r\n      const message = isTypedArray(data) ? data.toString() : data\r\n\r\n      subscriber.callback.call(subscriber.context || subscriber, message)\r\n    })\r\n  }\r\n  const deliver = () => {\r\n    let subscriber = topic\r\n    let position = topic.lastIndexOf('.')\r\n\r\n    while (position !== -1) {\r\n      subscriber = subscriber.substring(0, position)\r\n      position = subscriber.lastIndexOf('.')\r\n\r\n      execute(subscriber)\r\n    }\r\n\r\n    // 执行 topic 对应的处理器\r\n    execute(topic)\r\n    // 执行特殊 topic：'*'（监听全部消息的发布）\r\n    execute('*')\r\n  }\r\n\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (async) {\r\n    setTimeout(deliver, 10)\r\n  } else {\r\n    deliver()\r\n  }\r\n}\r\n\r\nexport default emit\r\n","import toString from '../lang/toString'\r\n/**\r\n * 判断检测数据是否为 Typed Arrays 类型的数据\r\n * ========================================================================\r\n * @param {*} val\r\n * @returns {boolean}\r\n */\r\nconst isTypedArray = (val) => {\r\n  const TYPES = [\r\n    '[object Int8Array]',\r\n    '[object Uint8Array]',\r\n    '[object Uint8ClampedArray]',\r\n    '[object Int16Array]',\r\n    '[object Uint16Array]',\r\n    '[object Int32Array]',\r\n    '[object Uint32Array]',\r\n    '[object Float32Array]',\r\n    '[object Float64Array]',\r\n    '[object BigInt64Array]',\r\n    '[object BigUint64Array]'\r\n  ]\r\n\r\n  return TYPES.indexOf(toString(val)) > -1\r\n}\r\n\r\nexport default isTypedArray\r\n","/**\r\n * 生成唯一 id 字符串的函数\r\n * ========================================================================\r\n * @method guid\r\n * @param {String} [prefix] - 生成 id 的前缀字符串\r\n * @return {String} 返回一个表示唯一 id 的字符串\r\n */\r\nconst guid = (() => {\r\n  let uuid = 0\r\n\r\n  return (prefix) => {\r\n    uuid += 1\r\n\r\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\r\n  }\r\n})()\r\n\r\nexport default guid\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 删除与给定 topic 相同的订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriber\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _removeSubscriber = (topic) => {\r\n  if (!hasOwn(_subscribers, topic)) {\r\n    return false\r\n  }\r\n\r\n  delete _subscribers[topic]\r\n}\r\n\r\nexport default _removeSubscriber\r\n","import has from './has'\r\nimport _removeSubscriber from './_removeSubscriber'\r\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\r\n\r\n/**\r\n * 取消订阅主题\r\n * ========================================================================\r\n * @method off\r\n * @param {String} topic - （必须）订阅的主题\r\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\r\n */\r\nconst off = (topic, token) => {\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (token) {\r\n    _removeSubscriberByToken(token)\r\n  } else {\r\n    _removeSubscriber(topic)\r\n  }\r\n}\r\n\r\nexport default off\r\n","import _subscribers from './_subscribers'\r\nimport _removeSubscriber from './_removeSubscriber'\r\n\r\n/**\r\n * 通过订阅者 token 值删除订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriberByToken\r\n * @param {String} token - 订阅者 token 字符串\r\n * @returns {boolean}\r\n * @private\r\n */\r\nconst _removeSubscriberByToken = (token) => {\r\n  const keys = Object.keys(_subscribers)\r\n  let index = -1\r\n\r\n  if (!token || keys.length < 1) {\r\n    return false\r\n  }\r\n\r\n  keys.forEach((subject) => {\r\n    const subscriber = _subscribers[subject]\r\n    let topic\r\n\r\n    subscriber.forEach((execution, j) => {\r\n      if (execution.callback === token || execution.token === token) {\r\n        topic = execution.topic\r\n        subscriber.splice(index, j)\r\n      }\r\n    })\r\n\r\n    /* istanbul ignore else */\r\n    if (subscriber.length < 1) {\r\n      _removeSubscriber(topic)\r\n    }\r\n  })\r\n}\r\n\r\nexport default _removeSubscriberByToken\r\n","import 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  refresh() {\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    let attrs = this.attr()\r\n\r\n    if (options) {\r\n      attrs = this.attr(options)\r\n    }\r\n\r\n    this.destroy().initialize(attrs)\r\n\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'\r\n\r\n/**\r\n * 扩展对象\r\n * ========================================================================\r\n * @method extend\r\n * @param {Object} origin\r\n * @param {Object} source\r\n */\r\nconst extend = (origin, source) => {\r\n  const keys = Object.keys(source)\r\n\r\n  keys.forEach((prop) => {\r\n    if (hasOwn(source, prop)) {\r\n      origin[prop] = source[prop]\r\n    }\r\n  })\r\n}\r\n\r\nexport default extend\r\n","import _subscribers from './_subscribers'\r\nimport isFunction from '../types/isFunction'\r\nimport guid from '../lang/guid'\r\n\r\n/**\r\n * 订阅主题，并给出处理器函数\r\n * ========================================================================\r\n * @method on\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Function} handler - （必须）主题的处理器函数\r\n * @param {Object} [context] - （可选）指定 this 执行上下文\r\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\r\n */\r\nconst on = (topic, handler, context = null) => {\r\n  const token = guid()\r\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\r\n\r\n  if (!isFunction(handler)) {\r\n    return ''\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (!_subscribers[subject]) {\r\n    _subscribers[subject] = []\r\n  }\r\n\r\n  _subscribers[subject].push({\r\n    topic: subject,\r\n    callback: handler,\r\n    context,\r\n    token\r\n  })\r\n\r\n  return token\r\n}\r\n\r\nexport default on\r\n","import isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport later from './utils/lang/later'\r\nimport at from './utils/event/at'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport createElement from './utils/dom/createElement'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport addClass from './utils/dom/addClass'\r\nimport intersection from './utils/dom/intersection'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport getStyle from './utils/dom/getStyle'\r\nimport setProperty from './utils/dom/setProperty'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\n\r\nimport _paintChapters from './_paintChapters'\r\nimport inBounding from './utils/dom/inBounding'\r\n\r\nimport Base from './base'\r\n\r\nclass Navigator extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    this.scrollTimer = null\r\n    this.resizeTimer = null\r\n    this.observerTimer = null\r\n    this.Observer = null\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Navigator.DEFAULTS)\r\n\r\n    this.$el = null\r\n    this.$title = null\r\n    this.$main = null\r\n    this.$list = null\r\n    this.$placeholder = null\r\n    this.$parentElement = null\r\n    this.$scrollElement = null\r\n    this.$active = null\r\n\r\n    this.chapters = []\r\n    this.active = 0\r\n    this.offsetWidth = 0\r\n    this.offsetTop = 0\r\n    this.playing = false\r\n    this.closed = false\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let parentElement\r\n    let scrollElement\r\n    let $parent\r\n\r\n    this.attr(options)\r\n\r\n    created = this.attr('created')\r\n    parentElement = this.attr('parentElement')\r\n    scrollElement = this.attr('scrollElement')\r\n\r\n    if (isString(parentElement)) {\r\n      $parent = document.querySelector(parentElement)\r\n    } else if (isElement(parentElement)) {\r\n      $parent = parentElement\r\n    }\r\n    this.$parentElement = $parent\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n\r\n    this.chapters = this.attr('chapters')\r\n    this.closed = this.attr('closed')\r\n    this.active = this.attr('active')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    if (this.chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    this.$active = document.querySelector(`#chapter-${this.active}`)\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  isSticky() {\r\n    const position = this.attr('position')\r\n    return position === 'sticky'\r\n  }\r\n\r\n  isFixed() {\r\n    const position = this.attr('position')\r\n    return position === 'fixed'\r\n  }\r\n\r\n  isInside() {\r\n    return this.isFixed() || this.isSticky()\r\n  }\r\n\r\n  isOutside() {\r\n    return !this.isInside()\r\n  }\r\n\r\n  count() {\r\n    return this.chapters.length\r\n  }\r\n\r\n  _paintEdge() {\r\n    const $fragment = document.createDocumentFragment()\r\n    const STICKY = 'outline-navigator_sticky'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const title = this.attr('title')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const customClass = this.attr('customClass')\r\n    const $parentElement = this.$parentElement\r\n    const children = []\r\n    const contents = []\r\n    let $title = null\r\n    let $el\r\n    let $main\r\n    let $list\r\n    let $placeholder\r\n\r\n    if (!$parentElement) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside() && title) {\r\n      $title = createElement(\r\n        'h2',\r\n        {\r\n          className: 'outline-navigator__title'\r\n        },\r\n        title\r\n      )\r\n      this.$title = $title\r\n      contents.push($title)\r\n    }\r\n\r\n    $list = createElement('ul', {\r\n      // 为优化性能，添加了 _fixed 和 _hidden\r\n      // fixed 为了让 $list 脱离流布局\r\n      // hidden 让 $list 不可见\r\n      className: `outline-navigator__list`\r\n    })\r\n    this.$list = $list\r\n    children.push($list)\r\n\r\n    if (animationCurrent) {\r\n      $placeholder = createElement('div', {\r\n        className: 'outline-navigator__placeholder'\r\n      })\r\n      this.$placeholder = $placeholder\r\n      children.push($placeholder)\r\n    }\r\n\r\n    $main = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-navigator__main'\r\n      },\r\n      children\r\n    )\r\n    this.$main = $main\r\n    contents.push($main)\r\n\r\n    $el = createElement(\r\n      'nav',\r\n      {\r\n        id: 'outline-navigator',\r\n        className: `outline-navigator ${HIDDEN}`\r\n      },\r\n      contents\r\n    )\r\n    this.$el = $el\r\n\r\n    if (this.isSticky()) {\r\n      this.calculateStickyHeight()\r\n      addClass($el, STICKY)\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($el, customClass)\r\n    }\r\n    $fragment.appendChild($el)\r\n    $parentElement.appendChild($fragment)\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const $parentElement = this.$parentElement\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n    let $el\r\n\r\n    if (!$parentElement || chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside()) {\r\n      addClass($parentElement, 'outline-navigator-parent')\r\n    }\r\n\r\n    this._paintEdge()\r\n    $el = this.$el\r\n\r\n    this._paint(chapters)\r\n\r\n    later(() => {\r\n      this.highlight(this.active)\r\n    }, 60)\r\n\r\n    this.offsetTop = offsetTop($el)\r\n    this.offsetWidth = $el.offsetWidth\r\n\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      setProperty('--outline-navigator-width', `${this.offsetWidth}px`)\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    if (count < 400) {\r\n      this.onObserver()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$list.innerHTML = ''\r\n\r\n    return this\r\n  }\r\n\r\n  _paint(chapters) {\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const showCode = this.attr('showCode')\r\n    const $el = this.$el\r\n    const $list = this.$list\r\n\r\n    _paintChapters($list, chapters, showCode)\r\n    removeClass($el, HIDDEN)\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    this.$parentElement.removeChild(this.$el)\r\n    return this\r\n  }\r\n\r\n  refresh(chapters) {\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const $el = this.$el\r\n\r\n    removeClass($el, HIDDEN)\r\n    this.erase()._paint(chapters)\r\n\r\n    return this\r\n  }\r\n\r\n  _getPlaceholderOffset(index) {\r\n    const $main = this.$main\r\n    const $list = this.$list\r\n    const $anchor = $list.querySelector('.outline-navigator__anchor')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const mainPaddingTop = parseInt(getStyle($main, 'padding-top'), 10)\r\n    const mainBorderTop = parseInt(getStyle($main, 'border-top-width'), 10)\r\n    const placeholderPaddingTop = parseInt(getStyle($list, 'padding-top'), 10)\r\n    const placeholderMarginTop = parseInt(getStyle($list, 'margin-top'), 10)\r\n    const placeholderBorderTop = parseInt(\r\n      getStyle($list, 'border-top-width'),\r\n      10\r\n    )\r\n    let height = $anchor.offsetHeight\r\n    let offsetTop = 0\r\n    let top\r\n\r\n    if (!animationCurrent) {\r\n      return this\r\n    }\r\n\r\n    if (mainPaddingTop) {\r\n      offsetTop += mainPaddingTop\r\n    }\r\n\r\n    if (placeholderPaddingTop) {\r\n      offsetTop += placeholderPaddingTop\r\n    }\r\n\r\n    if (placeholderMarginTop) {\r\n      offsetTop += placeholderMarginTop\r\n    }\r\n\r\n    if (mainBorderTop) {\r\n      offsetTop += mainBorderTop\r\n    }\r\n\r\n    if (placeholderBorderTop) {\r\n      offsetTop += placeholderBorderTop\r\n    }\r\n\r\n    top = height * index\r\n\r\n    return offsetTop + top\r\n  }\r\n\r\n  positionPlaceholder(index) {\r\n    const $list = this.$list\r\n    const $placeholder = this.$placeholder\r\n    const $anchor = $list.querySelector('.outline-navigator__anchor')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const height = $anchor.offsetHeight\r\n    let offsetTop = 0\r\n\r\n    if (!animationCurrent) {\r\n      return this\r\n    }\r\n\r\n    offsetTop = this._getPlaceholderOffset(index)\r\n\r\n    $placeholder.style.cssText = `transform: translateY(${offsetTop}px);height:${height}px;`\r\n\r\n    return this\r\n  }\r\n\r\n  highlight(id) {\r\n    const $el = this.$el\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const ACTIVE = 'outline-navigator_active'\r\n    const HIGHLIGHT = 'outline-navigator_highlight'\r\n    let $anchor = null\r\n    let placeholderOffsetTop = 0\r\n\r\n    if (!$el) {\r\n      return this\r\n    }\r\n\r\n    $anchor = $el.querySelector(`#chapter__anchor-${id}`)\r\n\r\n    if (!$anchor) {\r\n      return this\r\n    }\r\n\r\n    this.active = parseInt($anchor.getAttribute('data-id'), 10)\r\n\r\n    if (this.$active) {\r\n      removeClass(this.$active, HIGHLIGHT)\r\n      removeClass(this.$active, ACTIVE)\r\n    }\r\n\r\n    this.$active = $anchor\r\n    addClass(this.$active, ACTIVE)\r\n\r\n    if (animationCurrent) {\r\n      this.positionPlaceholder(this.active)\r\n    } else {\r\n      addClass(this.$active, HIGHLIGHT)\r\n    }\r\n\r\n    later(() => {\r\n      if (!inBounding(this.$active, this.$main)) {\r\n        placeholderOffsetTop = this._getPlaceholderOffset(this.active)\r\n        scrollTo(this.$main, placeholderOffsetTop)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  sticky() {\r\n    const afterSticky = this.attr('afterSticky')\r\n    const FIXED = 'outline-navigator_fixed'\r\n    const $el = this.$el\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (!this.isFixed()) {\r\n      return this\r\n    }\r\n\r\n    isStickying = scrollTop >= top\r\n\r\n    if (isStickying) {\r\n      addClass($el, FIXED)\r\n    } else {\r\n      removeClass($el, FIXED)\r\n    }\r\n\r\n    if (isFunction(afterSticky)) {\r\n      afterSticky.call(this, this.isClosed(), isStickying)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  calculateStickyHeight() {\r\n    const documentElement = document.documentElement\r\n    const height = Math.max(\r\n      documentElement.clientHeight || 0,\r\n      window.innerHeight || 0\r\n    )\r\n    setProperty('--outline-sticky-height', `${height}px`)\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  show() {\r\n    const FOLDED = 'outline-navigator_folded'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const opened = this.attr('afterOpened')\r\n    const count = this.count()\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      if (count > 800) {\r\n        removeClass($parent, HIDDEN)\r\n      } else {\r\n        removeClass($parent, HIDDEN)\r\n        later(() => {\r\n          removeClass($parent, FOLDED)\r\n        }, 30)\r\n      }\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n    }\r\n    this.closed = false\r\n\r\n    if (isFunction(opened)) {\r\n      opened.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide() {\r\n    const FOLDED = 'outline-navigator_folded'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const closed = this.attr('afterClosed')\r\n    const count = this.count()\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      if (count > 800) {\r\n        addClass($parent, HIDDEN)\r\n      } else {\r\n        addClass($parent, FOLDED)\r\n        later(() => {\r\n          addClass($parent, HIDDEN)\r\n        })\r\n      }\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n    }\r\n    this.closed = true\r\n\r\n    if (isFunction(closed)) {\r\n      closed.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (this.isClosed()) {\r\n      this.show()\r\n    } else {\r\n      this.hide()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        isStickying = scrollTop >= top\r\n        afterToggle.call(this, this.isClosed(), isStickying)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n      this.scrollTimer = null\r\n    }\r\n\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n      this.resizeTimer = null\r\n    }\r\n\r\n    if (this.observerTimer) {\r\n      clearTimeout(this.observerTimer)\r\n      this.observerTimer = null\r\n    }\r\n\r\n    if (this.Observer) {\r\n      this.Observer = null\r\n    }\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onObserver() {\r\n    const selector = this.attr('selector')\r\n\r\n    this.Observer = intersection(\r\n      ($heading) => {\r\n        const id = $heading.getAttribute('data-id')\r\n\r\n        if (this.playing) {\r\n          return false\r\n        }\r\n\r\n        if (this.observerTimer) {\r\n          clearTimeout(this.observerTimer)\r\n        }\r\n\r\n        this.observerTimer = later(() => {\r\n          this.highlight(id)\r\n        }, 100)\r\n      },\r\n      {\r\n        selector,\r\n        context: this\r\n      }\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  onSelect(evt) {\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const id = $anchor.getAttribute('data-id')\r\n    const headingId = $anchor.href.split('#')[1]\r\n    const $heading = document.querySelector(`#${headingId}`)\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const min = 0\r\n    const max = this.$scrollElement.scrollHeight\r\n    const afterScroll = this.attr('afterScroll')\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this, 'chapter')\r\n      }\r\n\r\n      later(() => {\r\n        this.playing = false\r\n        this.$emit('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.playing = true\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      later(() => {\r\n        this.scrollTo(top, after)\r\n        this.highlight(id)\r\n      }, 10)\r\n    } else {\r\n      this.scrollTo(top, after)\r\n      this.highlight(id)\r\n    }\r\n\r\n    stop(evt)\r\n\r\n    return this\r\n  }\r\n\r\n  onScroll() {\r\n    const $scrollElement = this.$scrollElement\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n    }\r\n\r\n    this.scrollTimer = later(() => {\r\n      const top = $scrollElement.scrollTop\r\n      const min = 0\r\n      const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n\r\n      if (this.isFixed()) {\r\n        this.sticky()\r\n      }\r\n\r\n      this.$emit('toolbar:update', {\r\n        top,\r\n        min,\r\n        max\r\n      })\r\n    }, 100)\r\n\r\n    return this\r\n  }\r\n\r\n  onResize() {\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n    }\r\n\r\n    this.resizeTimer = later(() => {\r\n      this.calculateStickyHeight()\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    on($el, '.outline-navigator__anchor', 'click', this.onSelect, this, true)\r\n    at($element, 'scroll', this.onScroll, this, true)\r\n    if (this.isSticky()) {\r\n      at(window, 'resize', this.onResize, this, true)\r\n    }\r\n    this.$on('anchors:all:paint', this.onObserver, this)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const selector = this.attr('selector')\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    off($el, 'click', this.onSelect)\r\n    off($element, 'scroll', this.onScroll)\r\n    if (this.isSticky()) {\r\n      off(window, 'resize', this.onResize)\r\n    }\r\n    this.$off('anchors:all:paint')\r\n\r\n    if (this.Observer) {\r\n      document.querySelectorAll(selector).forEach((section) => {\r\n        this.Observer.unobserve(section)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nNavigator.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    parentElement: '',\r\n    scrollElement: '',\r\n    selector: '.outline-heading',\r\n    active: 0,\r\n    closed: false,\r\n    showCode: true,\r\n    animationCurrent: true,\r\n    position: 'relative',\r\n    stickyHeight: 0,\r\n    chapters: [],\r\n    created: null,\r\n    mounted: null,\r\n    afterClosed: null,\r\n    afterOpened: null,\r\n    afterScroll: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null,\r\n    afterSticky: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Navigator\r\n","import createElement from './utils/dom/createElement'\r\nimport timeSlice from './utils/lang/timeSlice'\r\n\r\nconst _paintChapters = ($list, chapters, showCode = false) => {\r\n  const LIMIT = 400\r\n  const count = chapters.length\r\n  const clones = [...chapters]\r\n  const paint = (parts) => {\r\n    const byId = (id) => $list.querySelector(`#${id}`)\r\n    parts.forEach((chapter) => {\r\n      const pid = chapter.pid\r\n      const id = chapter.id\r\n      const code = chapter.code\r\n      const rel = chapter.rel\r\n      const children = []\r\n      const $text = createElement(\r\n        'span',\r\n        {\r\n          className: 'outline-navigator__text'\r\n        },\r\n        chapter.text\r\n      )\r\n      let $link\r\n      let $code\r\n      let $li\r\n      let $subject\r\n      let $chapter\r\n\r\n      if (showCode) {\r\n        $code = createElement(\r\n          'span',\r\n          {\r\n            className: 'outline-navigator__code',\r\n            'data-id': id\r\n          },\r\n          chapter.code\r\n        )\r\n\r\n        children.push($code)\r\n      }\r\n\r\n      children.push($text)\r\n\r\n      $link = createElement(\r\n        'a',\r\n        {\r\n          id: `chapter__anchor-${id}`,\r\n          className: 'outline-navigator__anchor',\r\n          href: '#' + rel,\r\n          rel: rel,\r\n          'data-id': id,\r\n          'data-code': code\r\n        },\r\n        children\r\n      )\r\n\r\n      $li = createElement(\r\n        'li',\r\n        {\r\n          id: `chapter-${id}`,\r\n          className: 'outline-navigator__item',\r\n          'data-id': id,\r\n          'data-code': code\r\n        },\r\n        $link\r\n      )\r\n\r\n      if (pid === -1) {\r\n        $list.appendChild($li)\r\n      } else {\r\n        $chapter = byId(`chapter-${pid}`)\r\n        $subject = byId(`subject-${pid}`)\r\n\r\n        if (!$subject) {\r\n          $subject = createElement(\r\n            'ul',\r\n            {\r\n              id: 'subject-' + pid,\r\n              className: 'outline-navigator__subject'\r\n            },\r\n            $li\r\n          )\r\n\r\n          $chapter.appendChild($subject)\r\n        } else {\r\n          $subject.appendChild($li)\r\n        }\r\n      }\r\n    })\r\n  }\r\n\r\n  if (count > LIMIT) {\r\n    // 同步绘制\r\n    paint(clones.splice(0, LIMIT))\r\n    // 剩余的采用 timeSlice 机制绘制\r\n    while (clones.length > 0) {\r\n      const once = clones.splice(0, LIMIT)\r\n      timeSlice(() => {\r\n        paint(once)\r\n      })\r\n    }\r\n  } else {\r\n    paint(clones)\r\n  }\r\n}\r\n\r\nexport default _paintChapters\r\n","import isElement from '../types/isElement'\r\n\r\n/**\r\n * 检测某个 DOM 节点的位置是否在另个一个 DOM 节点范围内\r\n * ========================================================================\r\n * @method inBounding\r\n * @param {HTMLElement} child\r\n * @param {HTMLElement} parent\r\n * @return {Boolean}\r\n */\r\nconst inBounding = (child, parent) => {\r\n  let parentRect\r\n  let childRect\r\n\r\n  if (!isElement(child) || !isElement(parent)) {\r\n    return false\r\n  }\r\n\r\n  parentRect = parent.getBoundingClientRect()\r\n  childRect = child.getBoundingClientRect()\r\n\r\n  return (\r\n    childRect.top >= parentRect.top &&\r\n    childRect.right <= parentRect.right &&\r\n    childRect.bottom <= parentRect.bottom &&\r\n    childRect.left >= parentRect.left\r\n  )\r\n}\r\n\r\nexport default inBounding\r\n","import isFunction from '../types/isFunction'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通用的 IntersectionObserver 观察者处理器\r\n * ========================================================================\r\n * @method intersection\r\n * @param {Function} fn\r\n * @param {Object} [props]\r\n * @param {Object|HTMLElement} [props.root]\r\n * @param {String} [props.selector]\r\n * @param {Object} [props.context]\r\n * @param {String} [props.attr]\r\n * @param {String} [props.rootMargin]\r\n */\r\nconst intersection = (fn, props = {}) => {\r\n  const root = props.root || null\r\n  const selector = props.selector || '.outline-heading'\r\n  const context = props.context || null\r\n  const rootMargin = props.rootMargin || '0px 0px -90% 0px'\r\n  const options = {\r\n    rootMargin: rootMargin\r\n  }\r\n  // eslint-disable-next-line compat/compat\r\n  const Observer = new IntersectionObserver((entries) => {\r\n    entries.forEach((entry) => {\r\n      if (entry.intersectionRatio > 0) {\r\n        if (isFunction(fn)) {\r\n          fn.call(context || entry.target, entry.target)\r\n        }\r\n      }\r\n    })\r\n  }, options)\r\n  const $root = isElement(root) ? root : document\r\n\r\n  if (root) {\r\n    options.root = root\r\n  }\r\n\r\n  $root.querySelectorAll(selector).forEach((section) => {\r\n    Observer.observe(section)\r\n  })\r\n\r\n  return Observer\r\n}\r\n\r\nexport default intersection\r\n","/**\r\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\r\n * ========================================================================\r\n * @method stop\r\n * @param {Event} evt - 事件对象\r\n *\r\n * @example\r\n * <div id=\"nav\" class=\"nav\">\r\n *   <a id=\"service\" class=\"anchor\" href=\"https://www.yaohaixiao.com/serivce\">Service</a>\r\n *   <a id=\"help\" class=\"anchor\" href=\"https://www.yaohaixiao.com/help\">Help</a>\r\n * </div>\r\n *\r\n * const $nav = document.querySelector('#nav')\r\n * const $service = document.querySelector('.anchor')\r\n *\r\n * on($nav, 'click', function(evt) {\r\n *   console.log('你点击了导航栏')\r\n * })\r\n *\r\n * on($anchor, 'click', function(evt) {\r\n *   console.log('tagName', this.tagName)\r\n *\r\n *   // 工作台输出：'a'\r\n *   // 不会触发事件冒泡，输出：'你点击了导航栏'\r\n *   // 也不会切换到 href 属性的页面，阻止了点击链接的默认行为\r\n *   stopEvent(evt)\r\n * })\r\n */\r\nconst stop = function (evt) {\r\n  evt.stopPropagation()\r\n  evt.preventDefault()\r\n}\r\n\r\nexport default 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\ No newline at end of file
+{"version":3,"file":"navigator.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/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/lang/hasOwn.js","utils/dom/createElement.js","utils/dom/setAttributes.js","utils/dom/setAttribute.js","utils/lang/easeInQuad.js","utils/dom/_getScrollElement.js","utils/dom/scrollTo.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","utils/dom/inBounding.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","navigator.js","_paintChapters.js","utils/dom/intersection.js","utils/event/stop.js"],"sourcesContent":["/**\r\n * 检测数据是否为 String 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} str\r\n * @returns {boolean}\r\n */\r\nconst isString = (str) => {\r\n  return typeof str === 'string'\r\n}\r\n\r\nexport default isString\r\n","/**\r\n * Object 对象原型上的 toString 方法\r\n * ========================================================================\r\n * @method toString\r\n * @param {*} val\r\n * @returns {string}\r\n */\r\nconst toString = (val) => {\r\n  return Object.prototype.toString.apply(val)\r\n}\r\n\r\nexport default toString\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测测试数据是否为 Function 类型\r\n * ========================================================================\r\n * @method isFunction\r\n * @param {*} val - （必须）待检测的数据\r\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\r\n */\r\nconst isFunction = (val) => {\r\n  return typeof val === 'function' || toString(val) === '[object Function]'\r\n}\r\n\r\nexport default isFunction\r\n","import toString from '../lang/toString'\r\nimport isFunction from './isFunction'\r\n\r\n/**\r\n * 检测数据是否为 Object 类型\r\n * ========================================================================\r\n * @method isObject\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isObject = (o) => {\r\n  return (\r\n    (toString(o) === '[object Object]' ||\r\n      typeof o === 'object' ||\r\n      isFunction(o)) &&\r\n    o !== null\r\n  )\r\n}\r\n\r\nexport default isObject\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测数据是否为 HTMLElement DOM 节点\r\n * ========================================================================\r\n * @method isElement\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isElement = (o) => {\r\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\r\n}\r\n\r\nexport default isElement\r\n","import isFunction from '../types/isFunction'\r\n\r\n/**\r\n * later - 延迟执行方法\r\n * ========================================================================\r\n * @method later\r\n * @param {Function} fn\r\n * @param {Number} [delay]\r\n * @returns {number|boolean}\r\n */\r\nconst later = (fn, delay = 300) => {\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  return setTimeout(() => {\r\n    fn()\r\n  }, delay)\r\n}\r\n\r\nexport default later\r\n","export const CAPTURE_EVENTS = [\r\n  'focusout',\r\n  'blur',\r\n  'focusin',\r\n  'focus',\r\n  'load',\r\n  'unload',\r\n  'mouseenter',\r\n  'mouseleave'\r\n]\r\n","import { CAPTURE_EVENTS } from './enum'\r\nimport _delete from './_delete'\r\n\r\n/**\r\n * （私有方法）取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method _off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} fn - （必须）事件处理器回调函数\r\n * @private\r\n */\r\nconst _off = (el, type, fn) => {\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  /* istanbul ignore else */\r\n  if (fn._delegateListener) {\r\n    fn = fn._delegateListener\r\n    delete fn._delegateListener\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  _delete(el, type, fn)\r\n\r\n  el.removeEventListener(type, fn, capture)\r\n}\r\n\r\nexport default _off\r\n","/**\r\n * 删除 DOM 元素缓存的 _listeners 数据\r\n * ========================================================================\r\n * @method _delete\r\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\r\n * @param {String} type - 事件类型（名称）\r\n * @param {Function} [fn] - 事件处理器回调函数\r\n */\r\nconst _delete = function (el, type, fn) {\r\n  const listeners = el._listeners\r\n  let index = -1\r\n\r\n  if (listeners.length < 1) {\r\n    return false\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  listeners.forEach((listener, i) => {\r\n    const handler = listener.fn\r\n\r\n    if (type === listener.type) {\r\n      index = i\r\n\r\n      if (handler === fn) {\r\n        index = i\r\n      }\r\n    }\r\n  })\r\n\r\n  /* istanbul ignore else */\r\n  if (index > -1) {\r\n    listeners.splice(index, 1)\r\n  }\r\n}\r\n\r\nexport default _delete\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport getListeners from './getListeners'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 销毁（type 类型的）代理事件绑定\r\n * ========================================================================\r\n * 1. 设置了事件类型 type，则销毁指定类型的事件绑定，否则清除所有代理事件绑定\r\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\r\n * ========================================================================\r\n * @method purgeElement\r\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\r\n * @param {String|Boolean} type - （必须）事件类型\r\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\r\n */\r\nconst purgeElement = function (el, type, recurse = false) {\r\n  const $element = isString(el) ? document.querySelector(el) : el\r\n  const $children = $element.childNodes\r\n  const listeners = getListeners($element, type)\r\n\r\n  listeners.forEach((listener) => {\r\n    _off($element, listener.type, listener.fn)\r\n  })\r\n\r\n  if (\r\n    (recurse || type === true || arguments.length === 1) &&\r\n    $element &&\r\n    $children\r\n  ) {\r\n    $children.forEach(($child) => {\r\n      if (isElement($child)) {\r\n        purgeElement($child, type, recurse)\r\n      }\r\n    })\r\n  }\r\n}\r\n\r\nexport default purgeElement\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 获取 DOM 元素（type 事件类型）事件绑定信息\r\n * ========================================================================\r\n * 如果设置了事件类型 type， 则返回指定类型的事件绑定信息，否则返回所有事件绑定信息\r\n * ========================================================================\r\n * @methods getListeners\r\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\r\n * @param {String} [type] - （可选）事件类型\r\n * @returns {Array} - 已绑定的事件信息\r\n */\r\nconst getListeners = (el, type) => {\r\n  let listeners = el._listeners || []\r\n\r\n  if (isString(type) && type) {\r\n    listeners = listeners.filter((listener) => {\r\n      return listener.type === type\r\n    })\r\n  }\r\n\r\n  return listeners\r\n}\r\n\r\nexport default getListeners\r\n","import purgeElement from './purgeElement'\r\nimport isFunction from '../types/isFunction'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method off\r\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} [fn] - （可选）事件处理器回调函数\r\n */\r\nconst off = (el, type, fn) => {\r\n  // 如果不设置 fn 参数，默认清除 el 元素上绑定的所有事件处理器\r\n  if (!isFunction(fn)) {\r\n    purgeElement(el, type)\r\n    return false\r\n  }\r\n\r\n  _off(el, type, fn)\r\n}\r\n\r\nexport default off\r\n","import isFunction from '../types/isFunction'\r\nimport off from './off'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定事件\r\n * ========================================================================\r\n * @method at\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （必须） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst at = (el, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n  const listener = function (evt) {\r\n    let overrideContext = context || el\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    // 仅触发一次\r\n    /* istanbul ignore else */\r\n    if (once === true) {\r\n      off(el, type, listener)\r\n    }\r\n\r\n    fn.call(overrideContext, evt, data)\r\n  }\r\n\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default at\r\n","/**\r\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\r\n * ========================================================================\r\n * Element.matches() 方法可以用来判断 DOM 元素是否与给定的选择器匹配，事件代理判断是\r\n * 否触发绑定的代理事件回调函数，关键就是使用 Element.matches() 辨别当前事件触发的目\r\n * 标 DOM 元素是否为事件代理所期望触发的目标。\r\n * ========================================================================\r\n * @method matches\r\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\r\n * @returns {Boolean}\r\n */\r\nconst matches = (el, selector = '') => {\r\n  const sel = selector.replace(/^>/i, '')\r\n\r\n  if (!selector || !sel || !el) {\r\n    return false\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (el.matches) {\r\n    return el.matches(sel)\r\n  } else if (el.msMatchesSelector) {\r\n    return el.msMatchesSelector(sel)\r\n  } else {\r\n    return false\r\n  }\r\n}\r\n\r\nexport default matches\r\n","/**\r\n * 获取 DOM 元素的父节点\r\n * ========================================================================\r\n * @method getParentOrHost\r\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\r\n * @returns {*|HTMLElement}\r\n */\r\nconst getParentOrHost = (el) => {\r\n  return el.host && el !== document && el.host.nodeType\r\n    ? el.host\r\n    : el.parentNode\r\n}\r\n\r\nexport default getParentOrHost\r\n","import closest from '../dom/closest'\r\nimport off from './off'\r\nimport getTarget from './getTarget'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定代理事件\r\n * ========================================================================\r\n * @method on\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （可选） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst on = (el, selector, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  const listener = function (evt) {\r\n    const target = getTarget(evt)\r\n    // 通过 Element.matches 方法获得点击的目标元素\r\n    const delegateTarget = closest(target, selector, el)\r\n    let overrideContext = context || el\r\n\r\n    evt.delegateTarget = delegateTarget\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (delegateTarget) {\r\n      // 仅触发一次\r\n      /* istanbul ignore else */\r\n      if (once === true) {\r\n        off(el, type, listener)\r\n      }\r\n\r\n      fn.call(overrideContext, evt, data)\r\n    }\r\n  }\r\n\r\n  if (!el) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    selector,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default on\r\n","import resolveTextNode from '../dom/resolveTextNode'\r\n\r\n/**\r\n * 返回触发事件的 target DOM 元素\r\n * ========================================================================\r\n * @method getTarget\r\n * @param {Event} evt - Event 对象\r\n * @return {HTMLElement} - Event 对象的 target DOM 元素\r\n */\r\nconst getTarget = function (evt) {\r\n  const target = evt.target\r\n\r\n  return resolveTextNode(target)\r\n}\r\n\r\nexport default getTarget\r\n","/**\r\n * 在某些情况下，某些浏览器（例如：Safari 浏览器）会返回实际的目标元素内部的文本节点。\r\n * resolveTextNode() 方法则会返回实际的目标节点。\r\n * ========================================================================\r\n * @method resolveTextNode\r\n * @param {HTMLElement|Text} el - 要解析的节点\r\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\r\n */\r\nconst resolveTextNode = function (el) {\r\n  if (el && el.nodeType === 3) {\r\n    return el.parentNode\r\n  }\r\n\r\n  return el\r\n}\r\n\r\nexport default resolveTextNode\r\n","import matches from './matches'\r\nimport getParentOrHost from './getParentOrHost'\r\n\r\n/**\r\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\r\n * ========================================================================\r\n * @method closest\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）DOM 元素的选择其\r\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\r\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\r\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\r\n */\r\nconst closest = (el, selector, ctx, includeCTX) => {\r\n  const context = ctx || document\r\n\r\n  if (!el) {\r\n    return null\r\n  }\r\n\r\n  do {\r\n    /* istanbul ignore else */\r\n    if (\r\n      (selector != null &&\r\n        (selector.startsWith('>')\r\n          ? el.parentNode === context && matches(el, selector)\r\n          : matches(el, selector))) ||\r\n      (includeCTX && el === context)\r\n    ) {\r\n      return el\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (el === context) {\r\n      break\r\n    }\r\n\r\n    /* jshint boss:true */\r\n  } while ((el = getParentOrHost(el)))\r\n}\r\n\r\nexport default closest\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测数据是否为 Array 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isArray = (o) => {\r\n  if (Array.isArray) {\r\n    return Array.isArray(o)\r\n  } else {\r\n    return toString(o) === '[object Array]'\r\n  }\r\n}\r\n\r\nexport default isArray\r\n","import isObject from './isObject'\r\nimport isElement from './isElement'\r\nimport isHTMLCollection from './isHTMLCollection'\r\nimport isFragment from './isFragment'\r\nimport isTextNode from './isTextNode'\r\n\r\nconst isDOM = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (isElement(el) || isHTMLCollection(el) || isFragment(el) || isTextNode(el))\r\n  )\r\n}\r\n\r\nexport default isDOM\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isHTMLCollection = (el) => {\r\n  return !!(isObject(el) && toString(el) === '[object NodeList]')\r\n}\r\n\r\nexport default isHTMLCollection\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isFragment = (fragment) => {\r\n  return !!(\r\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\r\n  )\r\n}\r\n\r\nexport default isFragment\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isTextNode = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (toString(el) === '[object Text]' || (el.tagName && el.nodeType === 3))\r\n  )\r\n}\r\n\r\nexport default isTextNode\r\n","/**\r\n * 检测对象自身属性中是否具有指定的属性。\r\n * ========================================================================\r\n * @method hasOwn\r\n * @param {Object} obj - （必须）检测的目标对象\r\n * @param {String} prop - （必须）属性名\r\n * @returns {Boolean}\r\n */\r\nconst hasOwn = (obj, prop) => {\r\n  const hasOwnProperty = Object.prototype.hasOwnProperty\r\n  return obj && hasOwnProperty.call(obj, prop)\r\n}\r\n\r\nexport default hasOwn\r\n","import isObject from '../types/isObject'\r\nimport isString from '../types/isString'\r\nimport isArray from '../types/isArray'\r\nimport isDOM from '../types/isDOM'\r\nimport setAttributes from './setAttributes'\r\n\r\n/**\r\n * 创建 DOM 节点，并添加属性和子节点\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} tagName - 标签名称\r\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\r\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (tagName, attrs, children) => {\r\n  const $fragment = document.createDocumentFragment()\r\n  const $el = document.createElement(tagName)\r\n  const isValidChild = (child) => {\r\n    return isDOM(child) || isString(child)\r\n  }\r\n  const append = (child) => {\r\n    let $child\r\n\r\n    if (!isValidChild(child)) {\r\n      return false\r\n    }\r\n\r\n    if (isDOM(child)) {\r\n      $child = child\r\n    } else if (isString(child)) {\r\n      $child = document.createTextNode(child)\r\n    }\r\n\r\n    $fragment.appendChild($child)\r\n  }\r\n\r\n  if (isObject(attrs)) {\r\n    setAttributes($el, attrs)\r\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\r\n    attrs.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else if (isDOM(attrs)) {\r\n    append(attrs)\r\n  } else if (isString(attrs)) {\r\n    append(document.createTextNode(attrs))\r\n  }\r\n\r\n  if (isArray(children)) {\r\n    children.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else {\r\n    append(children)\r\n  }\r\n\r\n  $el.appendChild($fragment)\r\n\r\n  return $el\r\n}\r\n\r\nexport default createElement\r\n","import isObject from '../types/isObject'\r\nimport hasOwn from '../lang/hasOwn'\r\nimport setAttribute from './setAttribute'\r\n\r\nconst setAttributes = (el, attrs) => {\r\n  if (!el || !isObject(attrs)) {\r\n    return false\r\n  }\r\n\r\n  Object.keys(attrs).forEach((attr) => {\r\n    const value = attrs[attr]\r\n    if (hasOwn(attrs, attr)) {\r\n      setAttribute(el, attr, value)\r\n    }\r\n  })\r\n}\r\n\r\nexport default setAttributes\r\n","/**\r\n * 给 DOM 节点设置属性/值\r\n * ========================================================================\r\n * @method setAttribute\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} attr - 属性名称\r\n * @param {String|Number|Boolean} value - 属性值\r\n */\r\nconst setAttribute = (el, attr, value) => {\r\n  let tagName = el.tagName.toLowerCase()\r\n\r\n  switch (attr) {\r\n    case 'style':\r\n      el.style.cssText = value\r\n      break\r\n    case 'value':\r\n      if (tagName === 'input' || tagName === 'textarea') {\r\n        el.value = value\r\n      } else {\r\n        el.setAttribute(attr, value)\r\n      }\r\n      break\r\n    case 'htmlFor':\r\n      el.setAttribute('for', value)\r\n      break\r\n    case 'className':\r\n      el.className = value\r\n      break\r\n    case 'innerHTML':\r\n      el.innerHTML = value\r\n      break\r\n    case 'innerText':\r\n      el.innerText = value\r\n      break\r\n    default:\r\n      el.setAttribute(attr, value)\r\n      break\r\n  }\r\n}\r\n\r\nexport default setAttribute\r\n","/**\r\n * 返回给定值的平方值\r\n * ========================================================================\r\n * @method easeInQuad\r\n * @param {Number} x\r\n * @returns {number}\r\n */\r\nconst easeInQuad = (x) => {\r\n  return x * x\r\n}\r\n\r\nexport default easeInQuad\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\r\n * ========================================================================\r\n * @method _getScrollElement\r\n * @param {String|HTMLElement} scrollElement\r\n * @returns {Element}\r\n * @private\r\n */\r\nconst _getScrollElement = (scrollElement = null) => {\r\n  let $rootElements\r\n  let $scrollElement\r\n\r\n  if (!scrollElement) {\r\n    $rootElements = document.querySelectorAll('html,body')\r\n    $scrollElement =\r\n      $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\r\n        ? $rootElements[0]\r\n        : $rootElements[1]\r\n  } else {\r\n    if (isString(scrollElement)) {\r\n      $scrollElement = document.querySelector(scrollElement)\r\n    } else if (isElement(scrollElement)) {\r\n      $scrollElement = scrollElement\r\n    }\r\n  }\r\n\r\n  return $scrollElement\r\n}\r\n\r\nexport default _getScrollElement\r\n","import easeInQuad from '../lang/easeInQuad'\r\nimport isFunction from '../types/isFunction'\r\nimport _getScrollElement from './_getScrollElement'\r\n\r\n/**\r\n * 指定 rootElement DOM 节点滚动到指定 top 位置\r\n * ========================================================================\r\n * @method scrollTo\r\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\r\n * @param {Number} top - （必须）滚动的 scrollTop 数值\r\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\r\n */\r\nconst scrollTo = (scrollElement, top, afterStop) => {\r\n  const $scrollElement = _getScrollElement(scrollElement)\r\n  let scrollTop = $scrollElement.scrollTop\r\n  let step = 0\r\n  const distance = top - scrollTop\r\n  const MAX_HEIGHT = $scrollElement.scrollHeight\r\n  const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\r\n  const stop = (top) => {\r\n    if (isFunction(afterStop)) {\r\n      afterStop(top)\r\n    }\r\n\r\n    return false\r\n  }\r\n  const play = () => {\r\n    step += 1\r\n\r\n    // 向上滚动\r\n    if (distance < 0) {\r\n      scrollTop -= easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop <= top) {\r\n        $scrollElement.scrollTop = top\r\n        return stop(top)\r\n      }\r\n    } else {\r\n      scrollTop += easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop >= MAX_TOP) {\r\n        $scrollElement.scrollTop = MAX_TOP\r\n        return stop(MAX_TOP)\r\n      }\r\n    }\r\n\r\n    // eslint-disable-next-line compat/compat\r\n    requestAnimationFrame(play)\r\n  }\r\n\r\n  // eslint-disable-next-line compat/compat\r\n  requestAnimationFrame(play)\r\n}\r\n\r\nexport default scrollTo\r\n","import isElement from '../types/isElement'\r\n/**\r\n * 检测 DOM 节点是否包含名为 className 的样式\r\n * ========================================================================\r\n * @method hasClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst hasClass = (el, className) => {\r\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\r\n  let allClass\r\n  let classList\r\n\r\n  if (!isElement(el)) {\r\n    return false\r\n  }\r\n\r\n  allClass = el.className\r\n\r\n  if (!allClass) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList && classList.contains) {\r\n    return el.classList.contains(className)\r\n  }\r\n\r\n  return !!pattern.exec(allClass)\r\n}\r\n\r\nexport default hasClass\r\n","import hasClass from './hasClass'\r\n\r\n/**\r\n * 给 DOM 节点添加名为 className 的样式\r\n * ========================================================================\r\n * @method addClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst addClass = (el, className) => {\r\n  let classList\r\n  let allClass\r\n\r\n  if (hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.add) {\r\n    classList.add(className)\r\n  } else {\r\n    allClass = el.className\r\n    allClass += allClass.length > 0 ? ' ' + className : className\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default addClass\r\n","import trim from '../lang/trim'\r\nimport hasClass from './hasClass'\r\n\r\n/**\r\n * 移除 DOM 节点的 className 样式\r\n * ========================================================================\r\n * @method removeClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst removeClass = (el, className) => {\r\n  let allClass = el.className\r\n  let classList\r\n\r\n  if (!allClass || !hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.remove) {\r\n    classList.remove(className)\r\n  } else {\r\n    allClass = trim(allClass.replace(className, ''))\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default removeClass\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 清楚字符串起始位置所有的空格\r\n * ========================================================================\r\n * @method trim\r\n * @param {string} str\r\n * @returns {string|Boolean}\r\n */\r\nconst trim = (str) => {\r\n  if (!isString(str)) {\r\n    return false\r\n  }\r\n  return str.replace(/(^\\s+)|(\\s+$)/g, '')\r\n}\r\n\r\nexport default trim\r\n","/**\r\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\r\n * ========================================================================\r\n * @method offsetTop\r\n * @param {HTMLElement} el - DOM 节点\r\n * @returns {Number}\r\n */\r\nconst offsetTop = (el) => {\r\n  let top = el.offsetTop\r\n\r\n  if (el.offsetParent !== null) {\r\n    top += offsetTop(el.offsetParent)\r\n  }\r\n\r\n  return top\r\n}\r\n\r\nexport default offsetTop\r\n","/**\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","/**\r\n * timeSlice.js 时间切片功能函数\r\n * ====================================================\r\n * Created By: Yaohaixiao\r\n * Update: 2023.09.04\r\n */\r\nimport isFunction from '../types/isFunction'\r\nimport later from './later'\r\n\r\nconst queue = []\r\nlet isHandling\r\nlet done\r\n\r\n// Shim from https://developers.google.com/web/updates/2015/08/using-requestidlecallback\r\nif (typeof window.requestIdleCallback === 'undefined') {\r\n  window.requestIdleCallback = function (cb) {\r\n    const start = Date.now()\r\n    return later(function () {\r\n      cb({\r\n        didTimeout: false,\r\n        timeRemaining: function () {\r\n          return Math.max(0, 50 - (Date.now() - start))\r\n        }\r\n      })\r\n    }, 10)\r\n  }\r\n\r\n  window.cancelIdleCallback = function (id) {\r\n    clearTimeout(id)\r\n  }\r\n}\r\n\r\nfunction runIdle(idleDeadline) {\r\n  while (idleDeadline.timeRemaining() > 0 && queue.length) {\r\n    const fn = queue.shift()\r\n\r\n    if (!isFunction(fn)) {\r\n      return false\r\n    }\r\n\r\n    fn()\r\n  }\r\n\r\n  if (queue.length) {\r\n    isHandling = requestIdleCallback(runIdle)\r\n  } else {\r\n    isHandling = 0\r\n\r\n    if (isFunction(done)) {\r\n      done()\r\n      done = null\r\n    }\r\n  }\r\n}\r\n\r\n/**\r\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\r\n * 多个短时间任务\r\n * ====================================================\r\n * @param {Function} fn - 需要在空闲时执行的回调函数\r\n * @param {Function} afterComplete - queen 的\r\n * @return {(function(): (boolean|undefined))|*|boolean}\r\n */\r\nconst timeSlice = (fn, afterComplete = null) => {\r\n  queue.push(fn)\r\n\r\n  if (isFunction(afterComplete)) {\r\n    done = afterComplete\r\n  }\r\n\r\n  if (!isHandling) {\r\n    requestIdleCallback(runIdle)\r\n  }\r\n}\r\n\r\nexport default timeSlice\r\n","import isElement from '../types/isElement'\r\n\r\n/**\r\n * 检测某个 DOM 节点的位置是否在另个一个 DOM 节点范围内\r\n * ========================================================================\r\n * @method inBounding\r\n * @param {HTMLElement} child\r\n * @param {HTMLElement} parent\r\n * @return {Boolean}\r\n */\r\nconst inBounding = (child, parent) => {\r\n  let parentRect\r\n  let childRect\r\n\r\n  if (!isElement(child) || !isElement(parent)) {\r\n    return false\r\n  }\r\n\r\n  parentRect = parent.getBoundingClientRect()\r\n  childRect = child.getBoundingClientRect()\r\n\r\n  return (\r\n    childRect.top >= parentRect.top &&\r\n    childRect.right <= parentRect.right &&\r\n    childRect.bottom <= parentRect.bottom &&\r\n    childRect.left >= parentRect.left\r\n  )\r\n}\r\n\r\nexport default inBounding\r\n","/**\r\n * 存储订阅者（主题和处理器的）私有对象\r\n * ========================================================================\r\n * @type {{}}\r\n * @private\r\n */\r\nconst _subscribers = {}\r\n\r\nexport default _subscribers\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\r\n * ========================================================================\r\n * @method _hasDirectSubscribersFor\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasDirectSubscribersFor = (topic) => {\r\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\r\n}\r\n\r\nexport default _hasDirectSubscribersFor\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\nimport _hasSubscribers from './_hasSubscribers'\r\n\r\n/**\r\n * 判断是否存在包含 topic 指定的订阅者信息\r\n * ========================================================================\r\n * @method has\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\r\n * @returns {Boolean}\r\n */\r\nconst has = (topic, isDirect = true) => {\r\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\r\n}\r\n\r\nexport default has\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * 判断是否存在包含给定 topic 相关的订阅者信息\r\n * ========================================================================\r\n * @method _hasSubscribers\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasSubscribers = (topic) => {\r\n  let found = _hasDirectSubscribersFor(topic)\r\n  let position = topic.lastIndexOf('.')\r\n\r\n  while (!found && position !== -1) {\r\n    topic = topic.substring(0, position)\r\n    position = topic.lastIndexOf('.')\r\n    found = _hasDirectSubscribersFor(topic)\r\n  }\r\n\r\n  return found\r\n}\r\n\r\nexport default _hasSubscribers\r\n","import isTypedArray from '../types/isTypedArray'\r\nimport _subscribers from './_subscribers'\r\nimport has from './has'\r\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * （异步）发布订阅主题信息\r\n * ========================================================================\r\n * 主题默认是异步发布的。确保在消费者处理主题时，主题的发起者不会被阻止。\r\n * ========================================================================\r\n * @method emit\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Object} [data] - （可选）数据对象\r\n * @param {Boolean} [async] - (可选) 是否异步发布\r\n */\r\nconst emit = (topic, data, async = true) => {\r\n  const execute = (topic) => {\r\n    if (!_hasDirectSubscribersFor(topic)) {\r\n      return false\r\n    }\r\n\r\n    _subscribers[topic].forEach((subscriber) => {\r\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\r\n      // 采用 toString() 方法转化为普通（JSON）字符串\r\n      const message = isTypedArray(data) ? data.toString() : data\r\n\r\n      subscriber.callback.call(subscriber.context || subscriber, message)\r\n    })\r\n  }\r\n  const deliver = () => {\r\n    let subscriber = topic\r\n    let position = topic.lastIndexOf('.')\r\n\r\n    while (position !== -1) {\r\n      subscriber = subscriber.substring(0, position)\r\n      position = subscriber.lastIndexOf('.')\r\n\r\n      execute(subscriber)\r\n    }\r\n\r\n    // 执行 topic 对应的处理器\r\n    execute(topic)\r\n    // 执行特殊 topic：'*'（监听全部消息的发布）\r\n    execute('*')\r\n  }\r\n\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (async) {\r\n    setTimeout(deliver, 10)\r\n  } else {\r\n    deliver()\r\n  }\r\n}\r\n\r\nexport default emit\r\n","import toString from '../lang/toString'\r\n/**\r\n * 判断检测数据是否为 Typed Arrays 类型的数据\r\n * ========================================================================\r\n * @param {*} val\r\n * @returns {boolean}\r\n */\r\nconst isTypedArray = (val) => {\r\n  const TYPES = [\r\n    '[object Int8Array]',\r\n    '[object Uint8Array]',\r\n    '[object Uint8ClampedArray]',\r\n    '[object Int16Array]',\r\n    '[object Uint16Array]',\r\n    '[object Int32Array]',\r\n    '[object Uint32Array]',\r\n    '[object Float32Array]',\r\n    '[object Float64Array]',\r\n    '[object BigInt64Array]',\r\n    '[object BigUint64Array]'\r\n  ]\r\n\r\n  return TYPES.indexOf(toString(val)) > -1\r\n}\r\n\r\nexport default isTypedArray\r\n","/**\r\n * 生成唯一 id 字符串的函数\r\n * ========================================================================\r\n * @method guid\r\n * @param {String} [prefix] - 生成 id 的前缀字符串\r\n * @return {String} 返回一个表示唯一 id 的字符串\r\n */\r\nconst guid = (() => {\r\n  let uuid = 0\r\n\r\n  return (prefix) => {\r\n    uuid += 1\r\n\r\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\r\n  }\r\n})()\r\n\r\nexport default guid\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 删除与给定 topic 相同的订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriber\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _removeSubscriber = (topic) => {\r\n  if (!hasOwn(_subscribers, topic)) {\r\n    return false\r\n  }\r\n\r\n  delete _subscribers[topic]\r\n}\r\n\r\nexport default _removeSubscriber\r\n","import has from './has'\r\nimport _removeSubscriber from './_removeSubscriber'\r\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\r\n\r\n/**\r\n * 取消订阅主题\r\n * ========================================================================\r\n * @method off\r\n * @param {String} topic - （必须）订阅的主题\r\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\r\n */\r\nconst off = (topic, token) => {\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (token) {\r\n    _removeSubscriberByToken(token)\r\n  } else {\r\n    _removeSubscriber(topic)\r\n  }\r\n}\r\n\r\nexport default off\r\n","import _subscribers from './_subscribers'\r\nimport _removeSubscriber from './_removeSubscriber'\r\n\r\n/**\r\n * 通过订阅者 token 值删除订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriberByToken\r\n * @param {String} token - 订阅者 token 字符串\r\n * @returns {boolean}\r\n * @private\r\n */\r\nconst _removeSubscriberByToken = (token) => {\r\n  const keys = Object.keys(_subscribers)\r\n  let index = -1\r\n\r\n  if (!token || keys.length < 1) {\r\n    return false\r\n  }\r\n\r\n  keys.forEach((subject) => {\r\n    const subscriber = _subscribers[subject]\r\n    let topic\r\n\r\n    subscriber.forEach((execution, j) => {\r\n      if (execution.callback === token || execution.token === token) {\r\n        topic = execution.topic\r\n        subscriber.splice(index, j)\r\n      }\r\n    })\r\n\r\n    /* istanbul ignore else */\r\n    if (subscriber.length < 1) {\r\n      _removeSubscriber(topic)\r\n    }\r\n  })\r\n}\r\n\r\nexport default _removeSubscriberByToken\r\n","import 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  refresh() {\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    let attrs = this.attr()\r\n\r\n    if (options) {\r\n      attrs = this.attr(options)\r\n    }\r\n\r\n    this.destroy().initialize(attrs)\r\n\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'\r\n\r\n/**\r\n * 扩展对象\r\n * ========================================================================\r\n * @method extend\r\n * @param {Object} origin\r\n * @param {Object} source\r\n */\r\nconst extend = (origin, source) => {\r\n  const keys = Object.keys(source)\r\n\r\n  keys.forEach((prop) => {\r\n    if (hasOwn(source, prop)) {\r\n      origin[prop] = source[prop]\r\n    }\r\n  })\r\n}\r\n\r\nexport default extend\r\n","import _subscribers from './_subscribers'\r\nimport isFunction from '../types/isFunction'\r\nimport guid from '../lang/guid'\r\n\r\n/**\r\n * 订阅主题，并给出处理器函数\r\n * ========================================================================\r\n * @method on\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Function} handler - （必须）主题的处理器函数\r\n * @param {Object} [context] - （可选）指定 this 执行上下文\r\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\r\n */\r\nconst on = (topic, handler, context = null) => {\r\n  const token = guid()\r\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\r\n\r\n  if (!isFunction(handler)) {\r\n    return ''\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (!_subscribers[subject]) {\r\n    _subscribers[subject] = []\r\n  }\r\n\r\n  _subscribers[subject].push({\r\n    topic: subject,\r\n    callback: handler,\r\n    context,\r\n    token\r\n  })\r\n\r\n  return token\r\n}\r\n\r\nexport default on\r\n","import isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport later from './utils/lang/later'\r\nimport at from './utils/event/at'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport createElement from './utils/dom/createElement'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport addClass from './utils/dom/addClass'\r\nimport intersection from './utils/dom/intersection'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport getStyle from './utils/dom/getStyle'\r\nimport setProperty from './utils/dom/setProperty'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\n\r\nimport _paintChapters from './_paintChapters'\r\nimport inBounding from './utils/dom/inBounding'\r\n\r\nimport Base from './base'\r\n\r\nclass Navigator extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    this.scrollTimer = null\r\n    this.resizeTimer = null\r\n    this.observerTimer = null\r\n    this.Observer = null\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Navigator.DEFAULTS)\r\n\r\n    this.$el = null\r\n    this.$title = null\r\n    this.$main = null\r\n    this.$list = null\r\n    this.$placeholder = null\r\n    this.$parentElement = null\r\n    this.$scrollElement = null\r\n    this.$active = null\r\n\r\n    this.chapters = []\r\n    this.active = 0\r\n    this.offsetWidth = 0\r\n    this.offsetTop = 0\r\n    this.playing = false\r\n    this.closed = false\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let parentElement\r\n    let scrollElement\r\n    let $parent\r\n\r\n    this.attr(options)\r\n\r\n    created = this.attr('created')\r\n    parentElement = this.attr('parentElement')\r\n    scrollElement = this.attr('scrollElement')\r\n\r\n    if (isString(parentElement)) {\r\n      $parent = document.querySelector(parentElement)\r\n    } else if (isElement(parentElement)) {\r\n      $parent = parentElement\r\n    }\r\n    this.$parentElement = $parent\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n\r\n    this.chapters = this.attr('chapters')\r\n    this.closed = this.attr('closed')\r\n    this.active = this.attr('active')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    if (this.chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    this.$active = document.querySelector(`#chapter-${this.active}`)\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  isSticky() {\r\n    const position = this.attr('position')\r\n    return position === 'sticky'\r\n  }\r\n\r\n  isFixed() {\r\n    const position = this.attr('position')\r\n    return position === 'fixed'\r\n  }\r\n\r\n  isInside() {\r\n    return this.isFixed() || this.isSticky()\r\n  }\r\n\r\n  isOutside() {\r\n    return !this.isInside()\r\n  }\r\n\r\n  count() {\r\n    return this.chapters.length\r\n  }\r\n\r\n  _paintEdge() {\r\n    const $fragment = document.createDocumentFragment()\r\n    const STICKY = 'outline-navigator_sticky'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const title = this.attr('title')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const customClass = this.attr('customClass')\r\n    const $parentElement = this.$parentElement\r\n    const children = []\r\n    const contents = []\r\n    let $title = null\r\n    let $el\r\n    let $main\r\n    let $list\r\n    let $placeholder\r\n\r\n    if (!$parentElement) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside() && title) {\r\n      $title = createElement(\r\n        'h2',\r\n        {\r\n          className: 'outline-navigator__title'\r\n        },\r\n        title\r\n      )\r\n      this.$title = $title\r\n      contents.push($title)\r\n    }\r\n\r\n    $list = createElement('ul', {\r\n      // 为优化性能，添加了 _fixed 和 _hidden\r\n      // fixed 为了让 $list 脱离流布局\r\n      // hidden 让 $list 不可见\r\n      className: `outline-navigator__list`\r\n    })\r\n    this.$list = $list\r\n    children.push($list)\r\n\r\n    if (animationCurrent) {\r\n      $placeholder = createElement('div', {\r\n        className: 'outline-navigator__placeholder'\r\n      })\r\n      this.$placeholder = $placeholder\r\n      children.push($placeholder)\r\n    }\r\n\r\n    $main = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-navigator__main'\r\n      },\r\n      children\r\n    )\r\n    this.$main = $main\r\n    contents.push($main)\r\n\r\n    $el = createElement(\r\n      'nav',\r\n      {\r\n        id: 'outline-navigator',\r\n        className: `outline-navigator ${HIDDEN}`\r\n      },\r\n      contents\r\n    )\r\n    this.$el = $el\r\n\r\n    if (this.isSticky()) {\r\n      this.calculateStickyHeight()\r\n      addClass($el, STICKY)\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($el, customClass)\r\n    }\r\n    $fragment.appendChild($el)\r\n    $parentElement.appendChild($fragment)\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const $parentElement = this.$parentElement\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n    let $el\r\n\r\n    if (!$parentElement || chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside()) {\r\n      addClass($parentElement, 'outline-navigator-parent')\r\n    }\r\n\r\n    this._paintEdge()\r\n    $el = this.$el\r\n\r\n    this._paint(chapters)\r\n\r\n    later(() => {\r\n      this.highlight(this.active)\r\n    }, 60)\r\n\r\n    this.offsetTop = offsetTop($el)\r\n    this.offsetWidth = $el.offsetWidth\r\n\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      setProperty('--outline-navigator-width', `${this.offsetWidth}px`)\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    if (count < 400) {\r\n      this.onObserver()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$list.innerHTML = ''\r\n\r\n    return this\r\n  }\r\n\r\n  _paint(chapters) {\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const showCode = this.attr('showCode')\r\n    const $el = this.$el\r\n    const $list = this.$list\r\n\r\n    _paintChapters($list, chapters, showCode)\r\n    removeClass($el, HIDDEN)\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    this.$parentElement.removeChild(this.$el)\r\n    return this\r\n  }\r\n\r\n  refresh(chapters) {\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const $el = this.$el\r\n\r\n    removeClass($el, HIDDEN)\r\n    this.erase()._paint(chapters)\r\n\r\n    return this\r\n  }\r\n\r\n  _getPlaceholderOffset(index) {\r\n    const $main = this.$main\r\n    const $list = this.$list\r\n    const $anchor = $list.querySelector('.outline-navigator__anchor')\r\n    const mainPaddingTop = parseInt(getStyle($main, 'padding-top'), 10)\r\n    const mainBorderTop = parseInt(getStyle($main, 'border-top-width'), 10)\r\n    const placeholderPaddingTop = parseInt(getStyle($list, 'padding-top'), 10)\r\n    const placeholderMarginTop = parseInt(getStyle($list, 'margin-top'), 10)\r\n    const placeholderBorderTop = parseInt(\r\n      getStyle($list, 'border-top-width'),\r\n      10\r\n    )\r\n    let height = $anchor.offsetHeight\r\n    let offsetTop = 0\r\n    let top\r\n\r\n    if (mainPaddingTop) {\r\n      offsetTop += mainPaddingTop\r\n    }\r\n\r\n    if (placeholderPaddingTop) {\r\n      offsetTop += placeholderPaddingTop\r\n    }\r\n\r\n    if (placeholderMarginTop) {\r\n      offsetTop += placeholderMarginTop\r\n    }\r\n\r\n    if (mainBorderTop) {\r\n      offsetTop += mainBorderTop\r\n    }\r\n\r\n    if (placeholderBorderTop) {\r\n      offsetTop += placeholderBorderTop\r\n    }\r\n\r\n    top = height * index\r\n\r\n    return offsetTop + top\r\n  }\r\n\r\n  positionPlaceholder(index) {\r\n    const $list = this.$list\r\n    const $placeholder = this.$placeholder\r\n    const $anchor = $list.querySelector('.outline-navigator__anchor')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const height = $anchor.offsetHeight\r\n    let offsetTop = 0\r\n\r\n    if (!animationCurrent) {\r\n      return this\r\n    }\r\n\r\n    offsetTop = this._getPlaceholderOffset(index)\r\n\r\n    $placeholder.style.cssText = `transform: translateY(${offsetTop}px);height:${height}px;`\r\n\r\n    return this\r\n  }\r\n\r\n  highlight(id) {\r\n    const $el = this.$el\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const ACTIVE = 'outline-navigator_active'\r\n    const HIGHLIGHT = 'outline-navigator_highlight'\r\n    let $anchor = null\r\n    let placeholderOffsetTop = 0\r\n\r\n    if (!$el) {\r\n      return this\r\n    }\r\n\r\n    $anchor = $el.querySelector(`#chapter__anchor-${id}`)\r\n\r\n    if (!$anchor) {\r\n      return this\r\n    }\r\n\r\n    this.active = parseInt($anchor.getAttribute('data-id'), 10)\r\n\r\n    if (this.$active) {\r\n      removeClass(this.$active, HIGHLIGHT)\r\n      removeClass(this.$active, ACTIVE)\r\n    }\r\n\r\n    this.$active = $anchor\r\n    addClass(this.$active, ACTIVE)\r\n\r\n    if (animationCurrent) {\r\n      this.positionPlaceholder(this.active)\r\n    } else {\r\n      addClass(this.$active, HIGHLIGHT)\r\n    }\r\n\r\n    later(() => {\r\n      console.log(!inBounding(this.$active, this.$main))\r\n      if (!inBounding(this.$active, this.$main)) {\r\n        placeholderOffsetTop = this._getPlaceholderOffset(this.active)\r\n        console.log('placeholderOffsetTop', placeholderOffsetTop)\r\n        scrollTo(this.$main, placeholderOffsetTop)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  sticky() {\r\n    const afterSticky = this.attr('afterSticky')\r\n    const FIXED = 'outline-navigator_fixed'\r\n    const $el = this.$el\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (!this.isFixed()) {\r\n      return this\r\n    }\r\n\r\n    isStickying = scrollTop >= top\r\n\r\n    if (isStickying) {\r\n      addClass($el, FIXED)\r\n    } else {\r\n      removeClass($el, FIXED)\r\n    }\r\n\r\n    if (isFunction(afterSticky)) {\r\n      afterSticky.call(this, this.isClosed(), isStickying)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  calculateStickyHeight() {\r\n    const documentElement = document.documentElement\r\n    const height = Math.max(\r\n      documentElement.clientHeight || 0,\r\n      window.innerHeight || 0\r\n    )\r\n    setProperty('--outline-sticky-height', `${height}px`)\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  show() {\r\n    const FOLDED = 'outline-navigator_folded'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const opened = this.attr('afterOpened')\r\n    const count = this.count()\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      if (count > 800) {\r\n        removeClass($parent, HIDDEN)\r\n      } else {\r\n        removeClass($parent, HIDDEN)\r\n        later(() => {\r\n          removeClass($parent, FOLDED)\r\n        }, 30)\r\n      }\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n    }\r\n    this.closed = false\r\n\r\n    if (isFunction(opened)) {\r\n      opened.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide() {\r\n    const FOLDED = 'outline-navigator_folded'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const closed = this.attr('afterClosed')\r\n    const count = this.count()\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      if (count > 800) {\r\n        addClass($parent, HIDDEN)\r\n      } else {\r\n        addClass($parent, FOLDED)\r\n        later(() => {\r\n          addClass($parent, HIDDEN)\r\n        })\r\n      }\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n    }\r\n    this.closed = true\r\n\r\n    if (isFunction(closed)) {\r\n      closed.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (this.isClosed()) {\r\n      this.show()\r\n    } else {\r\n      this.hide()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        isStickying = scrollTop >= top\r\n        afterToggle.call(this, this.isClosed(), isStickying)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n      this.scrollTimer = null\r\n    }\r\n\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n      this.resizeTimer = null\r\n    }\r\n\r\n    if (this.observerTimer) {\r\n      clearTimeout(this.observerTimer)\r\n      this.observerTimer = null\r\n    }\r\n\r\n    if (this.Observer) {\r\n      this.Observer = null\r\n    }\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onObserver() {\r\n    const selector = this.attr('selector')\r\n\r\n    this.Observer = intersection(\r\n      ($heading) => {\r\n        const id = $heading.getAttribute('data-id')\r\n\r\n        if (this.playing) {\r\n          return false\r\n        }\r\n\r\n        if (this.observerTimer) {\r\n          clearTimeout(this.observerTimer)\r\n        }\r\n\r\n        this.observerTimer = later(() => {\r\n          this.highlight(id)\r\n        }, 100)\r\n      },\r\n      {\r\n        selector,\r\n        context: this\r\n      }\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  onSelect(evt) {\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const id = $anchor.getAttribute('data-id')\r\n    const headingId = $anchor.href.split('#')[1]\r\n    const $heading = document.querySelector(`#${headingId}`)\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const min = 0\r\n    const max = this.$scrollElement.scrollHeight\r\n    const afterScroll = this.attr('afterScroll')\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this, 'chapter')\r\n      }\r\n\r\n      later(() => {\r\n        this.playing = false\r\n        this.$emit('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.playing = true\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      later(() => {\r\n        this.scrollTo(top, after)\r\n        this.highlight(id)\r\n      }, 10)\r\n    } else {\r\n      this.scrollTo(top, after)\r\n      this.highlight(id)\r\n    }\r\n\r\n    stop(evt)\r\n\r\n    return this\r\n  }\r\n\r\n  onScroll() {\r\n    const $scrollElement = this.$scrollElement\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n    }\r\n\r\n    this.scrollTimer = later(() => {\r\n      const top = $scrollElement.scrollTop\r\n      const min = 0\r\n      const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n\r\n      if (this.isFixed()) {\r\n        this.sticky()\r\n      }\r\n\r\n      this.$emit('toolbar:update', {\r\n        top,\r\n        min,\r\n        max\r\n      })\r\n    }, 100)\r\n\r\n    return this\r\n  }\r\n\r\n  onResize() {\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n    }\r\n\r\n    this.resizeTimer = later(() => {\r\n      this.calculateStickyHeight()\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    on($el, '.outline-navigator__anchor', 'click', this.onSelect, this, true)\r\n    at($element, 'scroll', this.onScroll, this, true)\r\n    if (this.isSticky()) {\r\n      at(window, 'resize', this.onResize, this, true)\r\n    }\r\n    this.$on('anchors:all:paint', this.onObserver, this)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const selector = this.attr('selector')\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    off($el, 'click', this.onSelect)\r\n    off($element, 'scroll', this.onScroll)\r\n    if (this.isSticky()) {\r\n      off(window, 'resize', this.onResize)\r\n    }\r\n    this.$off('anchors:all:paint')\r\n\r\n    if (this.Observer) {\r\n      document.querySelectorAll(selector).forEach((section) => {\r\n        this.Observer.unobserve(section)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nNavigator.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    parentElement: '',\r\n    scrollElement: '',\r\n    selector: '.outline-heading',\r\n    active: 0,\r\n    closed: false,\r\n    showCode: true,\r\n    animationCurrent: true,\r\n    position: 'relative',\r\n    stickyHeight: 0,\r\n    chapters: [],\r\n    created: null,\r\n    mounted: null,\r\n    afterClosed: null,\r\n    afterOpened: null,\r\n    afterScroll: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null,\r\n    afterSticky: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Navigator\r\n","import createElement from './utils/dom/createElement'\r\nimport timeSlice from './utils/lang/timeSlice'\r\n\r\nconst _paintChapters = ($list, chapters, showCode = false) => {\r\n  const LIMIT = 400\r\n  const count = chapters.length\r\n  const clones = [...chapters]\r\n  const paint = (parts) => {\r\n    const byId = (id) => $list.querySelector(`#${id}`)\r\n    parts.forEach((chapter) => {\r\n      const pid = chapter.pid\r\n      const id = chapter.id\r\n      const code = chapter.code\r\n      const rel = chapter.rel\r\n      const children = []\r\n      const $text = createElement(\r\n        'span',\r\n        {\r\n          className: 'outline-navigator__text'\r\n        },\r\n        chapter.text\r\n      )\r\n      let $link\r\n      let $code\r\n      let $li\r\n      let $subject\r\n      let $chapter\r\n\r\n      if (showCode) {\r\n        $code = createElement(\r\n          'span',\r\n          {\r\n            className: 'outline-navigator__code',\r\n            'data-id': id\r\n          },\r\n          chapter.code\r\n        )\r\n\r\n        children.push($code)\r\n      }\r\n\r\n      children.push($text)\r\n\r\n      $link = createElement(\r\n        'a',\r\n        {\r\n          id: `chapter__anchor-${id}`,\r\n          className: 'outline-navigator__anchor',\r\n          href: '#' + rel,\r\n          rel: rel,\r\n          'data-id': id,\r\n          'data-code': code\r\n        },\r\n        children\r\n      )\r\n\r\n      $li = createElement(\r\n        'li',\r\n        {\r\n          id: `chapter-${id}`,\r\n          className: 'outline-navigator__item',\r\n          'data-id': id,\r\n          'data-code': code\r\n        },\r\n        $link\r\n      )\r\n\r\n      if (pid === -1) {\r\n        $list.appendChild($li)\r\n      } else {\r\n        $chapter = byId(`chapter-${pid}`)\r\n        $subject = byId(`subject-${pid}`)\r\n\r\n        if (!$subject) {\r\n          $subject = createElement(\r\n            'ul',\r\n            {\r\n              id: 'subject-' + pid,\r\n              className: 'outline-navigator__subject'\r\n            },\r\n            $li\r\n          )\r\n\r\n          $chapter.appendChild($subject)\r\n        } else {\r\n          $subject.appendChild($li)\r\n        }\r\n      }\r\n    })\r\n  }\r\n\r\n  if (count > LIMIT) {\r\n    // 同步绘制\r\n    paint(clones.splice(0, LIMIT))\r\n    // 剩余的采用 timeSlice 机制绘制\r\n    while (clones.length > 0) {\r\n      const once = clones.splice(0, LIMIT)\r\n      timeSlice(() => {\r\n        paint(once)\r\n      })\r\n    }\r\n  } else {\r\n    paint(clones)\r\n  }\r\n}\r\n\r\nexport default _paintChapters\r\n","import isFunction from '../types/isFunction'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通用的 IntersectionObserver 观察者处理器\r\n * ========================================================================\r\n * @method intersection\r\n * @param {Function} fn\r\n * @param {Object} [props]\r\n * @param {Object|HTMLElement} [props.root]\r\n * @param {String} [props.selector]\r\n * @param {Object} [props.context]\r\n * @param {String} [props.attr]\r\n * @param {String} [props.rootMargin]\r\n */\r\nconst intersection = (fn, props = {}) => {\r\n  const root = props.root || null\r\n  const selector = props.selector || '.outline-heading'\r\n  const context = props.context || null\r\n  const rootMargin = props.rootMargin || '0px 0px -90% 0px'\r\n  const options = {\r\n    rootMargin: rootMargin\r\n  }\r\n  // eslint-disable-next-line compat/compat\r\n  const Observer = new IntersectionObserver((entries) => {\r\n    entries.forEach((entry) => {\r\n      if (entry.intersectionRatio > 0) {\r\n        if (isFunction(fn)) {\r\n          fn.call(context || entry.target, entry.target)\r\n        }\r\n      }\r\n    })\r\n  }, options)\r\n  const $root = isElement(root) ? root : document\r\n\r\n  if (root) {\r\n    options.root = root\r\n  }\r\n\r\n  $root.querySelectorAll(selector).forEach((section) => {\r\n    Observer.observe(section)\r\n  })\r\n\r\n  return Observer\r\n}\r\n\r\nexport default intersection\r\n","/**\r\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\r\n * ========================================================================\r\n * @method stop\r\n * @param {Event} evt - 事件对象\r\n *\r\n * @example\r\n * <div id=\"nav\" class=\"nav\">\r\n *   <a id=\"service\" class=\"anchor\" href=\"https://www.yaohaixiao.com/serivce\">Service</a>\r\n *   <a id=\"help\" class=\"anchor\" href=\"https://www.yaohaixiao.com/help\">Help</a>\r\n * </div>\r\n *\r\n * const $nav = document.querySelector('#nav')\r\n * const $service = document.querySelector('.anchor')\r\n *\r\n * on($nav, 'click', function(evt) {\r\n *   console.log('你点击了导航栏')\r\n * })\r\n *\r\n * on($anchor, 'click', function(evt) {\r\n *   console.log('tagName', this.tagName)\r\n *\r\n *   // 工作台输出：'a'\r\n *   // 不会触发事件冒泡，输出：'你点击了导航栏'\r\n *   // 也不会切换到 href 属性的页面，阻止了点击链接的默认行为\r\n *   stopEvent(evt)\r\n * })\r\n */\r\nconst stop = function (evt) {\r\n  evt.stopPropagation()\r\n  evt.preventDefault()\r\n}\r\n\r\nexport default 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\ No newline at end of file
diff --git a/outline.min.js b/outline.min.js
index 5e7bb36..2d56cfa 100644
--- a/outline.min.js
+++ b/outline.min.js
@@ -1,2 +1,2 @@
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t="outline-reader",e=`${t}--reading`,s=`${t}_hidden`,i=this.$paper,r=document.querySelectorAll(".outline-reader_sibling");return this.reading&&i?(h(i,s),Y(i,e),r.forEach((t=>{Y(t,s)})),this.toolbar.hide(),this.reading=!1,this.$emit("exitReading"),this):this}toggle(){return this.reading?this.exit():this.enter(),this}speak(){const t=this.$article.innerText,e=this.speech;return $t.isSupport?(this.toolbar.highlight("speak"),this.isSpeaking()?e.cancel():e.speak(t),this):this}print(){return e(print)?(print(),this):this}destroy(){return this.$paper?(this.removeListeners()._remove()._default(),this):this}onPrint(){return this.print(),this}onEnterReading(){return this.toggle(),this}onExitReading(t){return 27===t.keyCode&&this.reading&&(this.toggle(),j(t)),this}addListeners(){return this.$paper?(nt(document,"keyup",this.onExitReading,this,!0),this.$on("toolbar:action:print",this.onPrint),this.$on("toolbar:action:reading",this.onEnterReading),this):this}removeListeners(){return this.$paper?(F(document,"keyup",this.onExitReading),this.$off("toolbar:action:print"),this.$off("toolbar:action:reading"),this):this}}var wt;Tt.DEFAULTS=n({target:"",title:"",enterReadingTip:xt,allowSpeak:!1});class Et extends E{constructor(t){super(),this._default(),t&&this.initialize(t)}_default(){const t=Et.DEFAULTS;return this.attrs=n(t),this.$article=null,this.$scrollElement=null,this.buttons=[],this.anchors=null,this.drawer=null,this.navigator=null,this.reader=null,this.toolbar=null,this}initialize(t){let e="",s="",i=null;return this.attr(t),e=this.attr("articleElement"),s=this.attr("scrollElement"),l(e)?i=document.querySelector(e):o(e)&&(i=e),this.$article=i,this.$scrollElement=d(s),this.$emit("created",{...this.attr()}),this.render().addListeners(),this}getChapters(){let t=arguments.length>0&&void 0!==arguments[0]&&arguments[0];const e=this.$article,s=this.attr("selector"),i=this.attr("showCode")||!0,r=this.attr("chapterTextFilter");return g({articleElement:e,selector:s,showCode:i,chapterTextFilter:r,isTreeStructured:t})}count(){return this.getChapters().length}render(){const t=this.attr("hasToolbar"),e=this.$scrollElement;return this._renderReader()._renderAnchors()._renderNavigator()._renderToolbar(),e&&t&&this._updateToolbar({top:e.scrollTop,min:0,max:e.scrollHeight}),this.$emit("mounted"),this}refresh(){const t=this.getChapters();return this.anchors.refresh(t),this.navigator.refresh(t),this.reader.refresh(),this}_renderReader(){const t=this.attr("reader");return t.target?(h(this.$article,"outline-article"),this.reader=new Tt(t),this):this}_renderAnchors(){const t=this.attr("articleElement"),e=this.attr("selector"),s=this.attr("stickyHeight"),i=this.attr("scrollElement"),r=this.attr("showCode"),n=this.attr("anchorURL"),l=this.attr("afterScroll"),o=this.attr("chapterTextFilter");return this.anchors=new K({articleElement:t,stickyHeight:s,scrollElement:i,selector:e,showCode:r,anchorURL:n,afterScroll:l,chapterTextFilter:o}),this}_renderNavigator(){const t=this.attr("title"),e=this.attr("stickyHeight"),s=this.attr("scrollElement"),i=this.attr("customClass"),r=this.attr("showCode"),n=this.attr("animationCurrent"),l=this.attr("closeOnClickModal"),o=this.attr("showNavModalFirst"),a=this.attr("position"),h=this.attr("placement"),c=this.attr("afterSticky"),d=this.attr("afterToggle"),u=this.attr("afterScroll"),m=this.count();let p,g=this.attr("parentElement");return m<1||(p={scrollElement:s,showCode:r,animationCurrent:n,position:a,title:t,stickyHeight:e,chapters:this.getChapters(),afterSticky:c,afterToggle:d,afterScroll:u},"relative"===a?(this.drawer=new rt({placement:h,title:t,size:"tiny",hasOffset:!0,hasPadding:!1,closeOnClickModal:l,customClass:i,afterClosed:()=>{this.toolbar.toggle()}}),g=this.drawer.$main,o&&this.drawer.open()):p.customClass=i,p.parentElement=g,this.navigator=new at(p)),this}_renderToolbar(){const t=this.attr("position"),s=this.attr("hasToolbar"),i=this.attr("showNavModalFirst"),r=this.attr("placement"),n=this.attr("homepage"),l=this.attr("git"),o=this.attr("tags"),a=this.attr("issues"),h=this.attr("tools"),c=this.attr("reader"),d=this.count(),u={name:"up",icon:"up",size:20,action:{context:this,handler:this.toTop}},m={name:"homepage",icon:"homepage",size:20,link:n},p={name:"github",icon:"github",size:20,link:l},g={name:"tags",icon:"tags",size:20,link:o},f={name:"issues",icon:"issues",size:20,link:a},b={name:"toggle",icon:"menu",size:18,action:{context:this,handler:this.toggle}},v={name:"reading",icon:"file",size:18,action:{context:this,handler:"toolbar:action:reading"}},y={name:"print",icon:"print",size:20,action:{handler:"toolbar:action:print"}},$={name:"down",icon:"down",size:20,action:{context:this,handler:this.toBottom}},_=[];return s?(_.push(u),d>0&&_.push(b),n&&_.push(m),l&&_.push(p),o&&_.push(g),a&&_.push(f),c.target&&(_.push(v),e(print)&&_.push(y)),(null==h?void 0:h.length)>0&&_.push(...h),_.push($),this.buttons=[..._],this.toolbar=new yt({placement:r,buttons:_}),"relative"===t&&i&&this.toolbar.hide(),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}_updateToolbar(t){let{top:e,min:s,max:i}=t;const r=this.toolbar,n=Math.ceil(e);return n<=s?(r.hide("up"),r.show("down")):n>=i?(r.hide("down"),r.show("up")):n>s&&n<i&&(r.show("up"),r.show("down")),this}toTop(){const t=this.attr("afterScroll"),s=this.toolbar,i=this.navigator,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,u(i.$main,0)),e(t)&&t.call(s,"up")})),this}toBottom(){const t=this.attr("afterScroll"),s=this.$scrollElement,i=this.toolbar,r=this.navigator,n=this.count(),l=Math.floor(s.scrollHeight-s.clientHeight);return n>0&&(r.playing=!0),this.scrollTo(l,(()=>{const s=r.$main;i.hide("down"),i.show("up"),n>0&&(r.highlight(n-1),u(s,s.scrollHeight),r.playing=!1),e(t)&&t.call(i,"bottom")})),this}scrollTo(t,e){return u(this.$scrollElement,t,e),this}enterReading(){const t=this.reader;return!t||t.reading||(this.toolbar.toggle(),t.enter()),this}exitReading(){const t=this.reader;return t&&t.reading?(this.toolbar.toggle(),t.exit(),this):this}switchReading(){const t=this.reader;return t?(t.toggle(),this):this}toggle(){const t=this.attr("position"),e=this.toolbar,i=this.drawer,r=this.navigator;return this.count()<1||("relative"!==t?(r.toggle(),e.highlight("toggle")):(e.toggle(),s((()=>{i.toggle()})))),this}print(){return this.reader.print(),this}_destroy(){const t=this.count();let e=this.anchors,s=this.navigator,i=this.drawer,r=this.reader,n=this.toolbar,l=!1;return this.removeListeners(),r&&r.destroy(),t>0&&s&&(l=s.isOutside(),s.destroy(),l&&i&&i.destroy()),e&&e.destroy(),n&&n.destroy(),this}destroy(){return this.$emit("beforeDestroy"),this._destroy()._default(),this.$emit("destroyed"),this}onToolbarUpdate(t){let{top:e,min:s,max:i}=t;return this._updateToolbar({top:e,min:s,max:i}),this}addListeners(){return this.attr("hasToolbar")?(this.$on("toolbar:update",this.onToolbarUpdate),this):this}removeListeners(){return this.attr("hasToolbar")?(this.$off("toolbar:update"),this):this}}if(Et.DEFAULTS=n({articleElement:"#article",selector:"h2,h3,h4,h5,h6",parentElement:"#aside",scrollElement:"html,body",title:"目录",position:"relative",placement:"rtl",animationCurrent:!0,showCode:!0,hasToolbar:!0,closeOnClickModal:!0,showNavModalFirst:!1,anchorURL:"",stickyHeight:0,homepage:"",git:"",tags:"",issues:"",tools:[],reader:{target:"",title:"",enterReadingTip:"进入阅读模式，按 ESC 键可退出阅读模式",allowSpeak:!1},customClass:"",afterSticky:null,afterToggle:null,afterScroll:null,chapterTextFilter:null}),null!==(wt=window)&&void 0!==wt&&wt.jQuery){const t=window.jQuery;t.extend(t.fn,{outline:function(e){let s=t(this);return new Et(t.extend({},e,{articleElement:s}))}})}return Et}));
 //# sourceMappingURL=outline.min.js.map
diff --git a/outline.min.js.map b/outline.min.js.map
index d2fb732..d20b25b 100644
--- a/outline.min.js.map
+++ b/outline.min.js.map
@@ -1 +1 @@
-{"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/easeInQuad.js","utils/dom/_getScrollElement.js","utils/dom/scrollTo.js","utils/lang/trim.js","getChaptersByHeadings.js","utils/lang/stripTags.js","_getChapterParentIdByDiffer.js","_getChaptersWithCode.js","getChapters.js","utils/lang/toTree.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/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/event/stop.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","utils/dom/removeClass.js","_removeHeading.js","utils/types/isEmpty.js","anchors.js","_updateHeading.js","utils/types/tags.js","utils/types/isHTML.js","utils/lang/stripScripts.js","utils/dom/setProperty.js","zIndex.js","drawer.js","utils/dom/html.js","utils/event/at.js","utils/dom/getStyle.js","navigator.js","_paintChapters.js","utils/dom/inBounding.js","utils/dom/intersection.js","utils/types/isObjectLike.js","utils/types/isPlainObject.js","utils/lang/encodeHTML.js","message.js","command.js","commands.js","_createButton.js","toolbar.js","speech.js","_updateSiblingElements.js","reader.js","outline.js"],"sourcesContent":["/**\r\n * Object 对象原型上的 toString 方法\r\n * ========================================================================\r\n * @method toString\r\n * @param {*} val\r\n * @returns {string}\r\n */\r\nconst toString = (val) => {\r\n  return Object.prototype.toString.apply(val)\r\n}\r\n\r\nexport default toString\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测测试数据是否为 Function 类型\r\n * ========================================================================\r\n * @method isFunction\r\n * @param {*} val - （必须）待检测的数据\r\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\r\n */\r\nconst isFunction = (val) => {\r\n  return typeof val === 'function' || toString(val) === '[object Function]'\r\n}\r\n\r\nexport default isFunction\r\n","import isFunction from '../types/isFunction'\r\n\r\n/**\r\n * later - 延迟执行方法\r\n * ========================================================================\r\n * @method later\r\n * @param {Function} fn\r\n * @param {Number} [delay]\r\n * @returns {number|boolean}\r\n */\r\nconst later = (fn, delay = 300) => {\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  return setTimeout(() => {\r\n    fn()\r\n  }, delay)\r\n}\r\n\r\nexport default later\r\n","import toString from '../lang/toString'\r\nimport isFunction from './isFunction'\r\n\r\n/**\r\n * 检测数据是否为 Object 类型\r\n * ========================================================================\r\n * @method isObject\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isObject = (o) => {\r\n  return (\r\n    (toString(o) === '[object Object]' ||\r\n      typeof o === 'object' ||\r\n      isFunction(o)) &&\r\n    o !== null\r\n  )\r\n}\r\n\r\nexport default isObject\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测数据是否为 Array 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isArray = (o) => {\r\n  if (Array.isArray) {\r\n    return Array.isArray(o)\r\n  } else {\r\n    return toString(o) === '[object Array]'\r\n  }\r\n}\r\n\r\nexport default isArray\r\n","import isObject from '../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","/**\r\n * 检测数据是否为 String 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} str\r\n * @returns {boolean}\r\n */\r\nconst isString = (str) => {\r\n  return typeof str === 'string'\r\n}\r\n\r\nexport default isString\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测数据是否为 HTMLElement DOM 节点\r\n * ========================================================================\r\n * @method isElement\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isElement = (o) => {\r\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\r\n}\r\n\r\nexport default isElement\r\n","import isElement from '../types/isElement'\r\n/**\r\n * 检测 DOM 节点是否包含名为 className 的样式\r\n * ========================================================================\r\n * @method hasClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst hasClass = (el, className) => {\r\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\r\n  let allClass\r\n  let classList\r\n\r\n  if (!isElement(el)) {\r\n    return false\r\n  }\r\n\r\n  allClass = el.className\r\n\r\n  if (!allClass) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList && classList.contains) {\r\n    return el.classList.contains(className)\r\n  }\r\n\r\n  return !!pattern.exec(allClass)\r\n}\r\n\r\nexport default hasClass\r\n","import hasClass from './hasClass'\r\n\r\n/**\r\n * 给 DOM 节点添加名为 className 的样式\r\n * ========================================================================\r\n * @method addClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst addClass = (el, className) => {\r\n  let classList\r\n  let allClass\r\n\r\n  if (hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.add) {\r\n    classList.add(className)\r\n  } else {\r\n    allClass = el.className\r\n    allClass += allClass.length > 0 ? ' ' + className : className\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default addClass\r\n","/**\r\n * 返回给定值的平方值\r\n * ========================================================================\r\n * @method easeInQuad\r\n * @param {Number} x\r\n * @returns {number}\r\n */\r\nconst easeInQuad = (x) => {\r\n  return x * x\r\n}\r\n\r\nexport default easeInQuad\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\r\n * ========================================================================\r\n * @method _getScrollElement\r\n * @param {String|HTMLElement} scrollElement\r\n * @returns {Element}\r\n * @private\r\n */\r\nconst _getScrollElement = (scrollElement = null) => {\r\n  let $rootElements\r\n  let $scrollElement\r\n\r\n  if (!scrollElement) {\r\n    $rootElements = document.querySelectorAll('html,body')\r\n    $scrollElement =\r\n      $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\r\n        ? $rootElements[0]\r\n        : $rootElements[1]\r\n  } else {\r\n    if (isString(scrollElement)) {\r\n      $scrollElement = document.querySelector(scrollElement)\r\n    } else if (isElement(scrollElement)) {\r\n      $scrollElement = scrollElement\r\n    }\r\n  }\r\n\r\n  return $scrollElement\r\n}\r\n\r\nexport default _getScrollElement\r\n","import easeInQuad from '../lang/easeInQuad'\r\nimport isFunction from '../types/isFunction'\r\nimport _getScrollElement from './_getScrollElement'\r\n\r\n/**\r\n * 指定 rootElement DOM 节点滚动到指定 top 位置\r\n * ========================================================================\r\n * @method scrollTo\r\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\r\n * @param {Number} top - （必须）滚动的 scrollTop 数值\r\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\r\n */\r\nconst scrollTo = (scrollElement, top, afterStop) => {\r\n  const $scrollElement = _getScrollElement(scrollElement)\r\n  let scrollTop = $scrollElement.scrollTop\r\n  let step = 0\r\n  const distance = top - scrollTop\r\n  const MAX_HEIGHT = $scrollElement.scrollHeight\r\n  const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\r\n  const stop = (top) => {\r\n    if (isFunction(afterStop)) {\r\n      afterStop(top)\r\n    }\r\n\r\n    return false\r\n  }\r\n  const play = () => {\r\n    step += 1\r\n\r\n    // 向上滚动\r\n    if (distance < 0) {\r\n      scrollTop -= easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop <= top) {\r\n        $scrollElement.scrollTop = top\r\n        return stop(top)\r\n      }\r\n    } else {\r\n      scrollTop += easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop >= MAX_TOP) {\r\n        $scrollElement.scrollTop = MAX_TOP\r\n        return stop(MAX_TOP)\r\n      }\r\n    }\r\n\r\n    // eslint-disable-next-line compat/compat\r\n    requestAnimationFrame(play)\r\n  }\r\n\r\n  // eslint-disable-next-line compat/compat\r\n  requestAnimationFrame(play)\r\n}\r\n\r\nexport default scrollTo\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 清楚字符串起始位置所有的空格\r\n * ========================================================================\r\n * @method trim\r\n * @param {string} str\r\n * @returns {string|Boolean}\r\n */\r\nconst trim = (str) => {\r\n  if (!isString(str)) {\r\n    return false\r\n  }\r\n  return str.replace(/(^\\s+)|(\\s+$)/g, '')\r\n}\r\n\r\nexport default trim\r\n","import trim from './utils/lang/trim'\r\nimport stripTags from './utils/lang/stripTags'\r\nimport isFunction from './utils/types/isFunction'\r\n\r\nimport _getChapterParentIdByDiffer from './_getChapterParentIdByDiffer'\r\nimport _getChaptersWithCode from './_getChaptersWithCode'\r\n\r\n/**\r\n * 根据文章中的 h1~h6 标签，自动分析返回文章章节数据\r\n * ========================================================================\r\n * @method getChaptersByHeadings\r\n * @param {Array} headings\r\n * @param {Boolean} [showCode]\r\n * @param {Function} [chapterTextFilter]\r\n * @return {*|*[]}\r\n */\r\nconst getChaptersByHeadings = (\r\n  headings,\r\n  showCode = true,\r\n  chapterTextFilter = null\r\n) => {\r\n  let previous = 1\r\n  let level = 0\r\n  let text = ''\r\n  const chapters = []\r\n\r\n  headings.forEach((heading, i) => {\r\n    const tagName = heading.tagName\r\n    const headingLevel = tagName.replace(/h/i, '')\r\n    let current = parseInt(headingLevel, 10)\r\n    let pid = -1\r\n\r\n    // 场景1：当前标题是前一个标题的子标题\r\n    // 当前标题的（标题标签）序号 > 前一个标题的序号：两个相连的标题是父标题 -> 子标题关系；\r\n    // h2 （前一个标题）\r\n    // h3 （当前标题）\r\n    if (current > previous) {\r\n      level += 1\r\n\r\n      // 第一层级的 pid 是 -1\r\n      if (level === 1) {\r\n        pid = -1\r\n      } else {\r\n        pid = i - 1\r\n      }\r\n    }\r\n    // 场景2：当前标题和前一个标题层级相同\r\n    // 当前标题的（标题标签）序号 = 前一个标题的序号\r\n    // h2 （前一个标题）\r\n    // h2 （当前标题）\r\n    // 当前标题的（标题标签）序号 < 前一个标题的序号，并且当前标题序号 > 当前的级别\r\n    // h2\r\n    // h4 （前一个标题）\r\n    // h3 （当前标题：这种情况我们还是任务 h3 是 h2 的下一级章节）\r\n    else if (current === previous || (current < previous && current > level)) {\r\n      // H1 的层级肯定是 1\r\n      if (current === 1) {\r\n        level = 1\r\n        pid = -1\r\n      } else {\r\n        pid = chapters[i - 1].pid\r\n      }\r\n    }\r\n    // 场景3：当前标题比前一个标题层级高\r\n    else if (current <= level) {\r\n      // H1 的层级肯定是 1\r\n      if (current === 1) {\r\n        level = 1\r\n      } else {\r\n        level = level - (previous - current)\r\n\r\n        if (level <= 1) {\r\n          level = 1\r\n        }\r\n      }\r\n\r\n      // 第一级的标题\r\n      if (level === 1) {\r\n        pid = -1\r\n      } else {\r\n        // 通过当前标题和前一个标题之间的等级差，获得当前标题的父标题ID\r\n        pid = _getChapterParentIdByDiffer(chapters, previous - current, i)\r\n      }\r\n    }\r\n\r\n    previous = current\r\n\r\n    text = stripTags(trim(heading.innerHTML))\r\n\r\n    if (isFunction(chapterTextFilter)) {\r\n      text = chapterTextFilter(text)\r\n    }\r\n\r\n    chapters.push({\r\n      id: i,\r\n      pid: pid,\r\n      level: level,\r\n      rel: `heading-${i}`,\r\n      text,\r\n      tagName\r\n    })\r\n  })\r\n\r\n  return showCode ? _getChaptersWithCode(chapters) : chapters\r\n}\r\n\r\nexport default getChaptersByHeadings\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 过滤所有 HTML 标签\r\n * ========================================================================\r\n * @method stripTags\r\n * @param {string} str\r\n * @returns {string}\r\n */\r\nconst stripTags = (str) => {\r\n  if (!isString(str)) {\r\n    return ''\r\n  }\r\n  return str.replace(/<\\/?[^>]+(>|$)/g, '')\r\n}\r\n\r\nexport default stripTags\r\n","const _getChapterParentIdByDiffer = (chapters, differ, index) => {\r\n  let previous = chapters[index - 1]\r\n  let pid\r\n  let i\r\n\r\n  for (i = 0; i < differ; i += 1) {\r\n    pid = previous.pid\r\n    previous = chapters[pid]\r\n  }\r\n\r\n  pid = previous.pid\r\n\r\n  return pid\r\n}\r\n\r\nexport default _getChapterParentIdByDiffer\r\n","import isArray from './utils/types/isArray'\r\n\r\nconst _getChaptersWithCode = (chapters) => {\r\n  const groups = {}\r\n  const cb = (o) => {\r\n    return [o.pid]\r\n  }\r\n\r\n  chapters.forEach((o) => {\r\n    const group = JSON.stringify(cb(o))\r\n\r\n    groups[group] = groups[group] || []\r\n    groups[group].push(o)\r\n\r\n    o.index = groups[group].length\r\n\r\n    if (o.pid === -1) {\r\n      o.code = String(o.index)\r\n    }\r\n  })\r\n\r\n  Object.keys(groups).forEach((group) => {\r\n    groups[group].forEach((c) => {\r\n      const subjects = groups[`[${c.id}]`]\r\n\r\n      if (!subjects || !isArray(subjects)) {\r\n        return false\r\n      }\r\n\r\n      subjects.forEach((o) => {\r\n        o.code = c.code + '.' + o.index\r\n      })\r\n    })\r\n  })\r\n\r\n  return chapters\r\n}\r\n\r\nexport default _getChaptersWithCode\r\n","import isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport toTree from './utils/lang/toTree'\r\n\r\nimport getChaptersByHeadings from './getChaptersByHeadings'\r\n\r\n/**\r\n *\r\n * @param {Object} [options]\r\n * @param {String|HTMLElement} [options.articleElement]\r\n * @param {String} [options.selector]\r\n * @param {Boolean} [options.showCode]\r\n * @param {Function} [options.chapterTextFilter]\r\n * @param {Boolean} [options.isTreeStructured]\r\n * @returns {Array}\r\n */\r\nconst getChapters = (options) => {\r\n  const {\r\n    articleElement,\r\n    selector,\r\n    showCode,\r\n    chapterTextFilter,\r\n    isTreeStructured\r\n  } = options\r\n  let $article = document.querySelector('#article')\r\n  let $headings = []\r\n  let chapters = []\r\n  let filter = (text) => {\r\n    return text.replace(/\\(.*?\\)/, '()')\r\n  }\r\n\r\n  if (isString(articleElement)) {\r\n    $article = document.querySelector(articleElement)\r\n  } else if (isElement(articleElement)) {\r\n    $article = articleElement\r\n  }\r\n\r\n  if (!$article) {\r\n    return chapters\r\n  }\r\n\r\n  if (isFunction(chapterTextFilter)) {\r\n    filter = chapterTextFilter\r\n  }\r\n\r\n  $headings = [...$article.querySelectorAll(selector || 'h1,h2,h3,h4,h5,h6')]\r\n  chapters = getChaptersByHeadings($headings, showCode || true, filter)\r\n\r\n  return isTreeStructured === true ? toTree(chapters, 'id', 'pid') : chapters\r\n}\r\n\r\nexport default getChapters\r\n","const toTree = (list, nodeKey, parentKey) => {\r\n  const map = {}\r\n  const roots = []\r\n\r\n  list.forEach((item, i) => {\r\n    // initialize the map\r\n    map[item[nodeKey]] = i\r\n    // initialize the children\r\n    item.children = []\r\n  })\r\n\r\n  list.forEach((item) => {\r\n    const node = list[map[item[parentKey]]]\r\n\r\n    if (item[parentKey] !== -1) {\r\n      // if you have dangling branches check that map[node.parentId] exists\r\n      node.children.push(item)\r\n    } else {\r\n      roots.push(item)\r\n    }\r\n  })\r\n\r\n  return roots\r\n}\r\n\r\nexport default toTree\r\n","/**\r\n * 检测对象自身属性中是否具有指定的属性。\r\n * ========================================================================\r\n * @method hasOwn\r\n * @param {Object} obj - （必须）检测的目标对象\r\n * @param {String} prop - （必须）属性名\r\n * @returns {Boolean}\r\n */\r\nconst hasOwn = (obj, prop) => {\r\n  const hasOwnProperty = Object.prototype.hasOwnProperty\r\n  return obj && hasOwnProperty.call(obj, prop)\r\n}\r\n\r\nexport default hasOwn\r\n","import hasOwn from './hasOwn'\r\n\r\n/**\r\n * 扩展对象\r\n * ========================================================================\r\n * @method extend\r\n * @param {Object} origin\r\n * @param {Object} source\r\n */\r\nconst extend = (origin, source) => {\r\n  const keys = Object.keys(source)\r\n\r\n  keys.forEach((prop) => {\r\n    if (hasOwn(source, prop)) {\r\n      origin[prop] = source[prop]\r\n    }\r\n  })\r\n}\r\n\r\nexport default extend\r\n","/**\r\n * 存储订阅者（主题和处理器的）私有对象\r\n * ========================================================================\r\n * @type {{}}\r\n * @private\r\n */\r\nconst _subscribers = {}\r\n\r\nexport default _subscribers\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\r\n * ========================================================================\r\n * @method _hasDirectSubscribersFor\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasDirectSubscribersFor = (topic) => {\r\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\r\n}\r\n\r\nexport default _hasDirectSubscribersFor\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\nimport _hasSubscribers from './_hasSubscribers'\r\n\r\n/**\r\n * 判断是否存在包含 topic 指定的订阅者信息\r\n * ========================================================================\r\n * @method has\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\r\n * @returns {Boolean}\r\n */\r\nconst has = (topic, isDirect = true) => {\r\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\r\n}\r\n\r\nexport default has\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * 判断是否存在包含给定 topic 相关的订阅者信息\r\n * ========================================================================\r\n * @method _hasSubscribers\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasSubscribers = (topic) => {\r\n  let found = _hasDirectSubscribersFor(topic)\r\n  let position = topic.lastIndexOf('.')\r\n\r\n  while (!found && position !== -1) {\r\n    topic = topic.substring(0, position)\r\n    position = topic.lastIndexOf('.')\r\n    found = _hasDirectSubscribersFor(topic)\r\n  }\r\n\r\n  return found\r\n}\r\n\r\nexport default _hasSubscribers\r\n","import isTypedArray from '../types/isTypedArray'\r\nimport _subscribers from './_subscribers'\r\nimport has from './has'\r\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * （异步）发布订阅主题信息\r\n * ========================================================================\r\n * 主题默认是异步发布的。确保在消费者处理主题时，主题的发起者不会被阻止。\r\n * ========================================================================\r\n * @method emit\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Object} [data] - （可选）数据对象\r\n * @param {Boolean} [async] - (可选) 是否异步发布\r\n */\r\nconst emit = (topic, data, async = true) => {\r\n  const execute = (topic) => {\r\n    if (!_hasDirectSubscribersFor(topic)) {\r\n      return false\r\n    }\r\n\r\n    _subscribers[topic].forEach((subscriber) => {\r\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\r\n      // 采用 toString() 方法转化为普通（JSON）字符串\r\n      const message = isTypedArray(data) ? data.toString() : data\r\n\r\n      subscriber.callback.call(subscriber.context || subscriber, message)\r\n    })\r\n  }\r\n  const deliver = () => {\r\n    let subscriber = topic\r\n    let position = topic.lastIndexOf('.')\r\n\r\n    while (position !== -1) {\r\n      subscriber = subscriber.substring(0, position)\r\n      position = subscriber.lastIndexOf('.')\r\n\r\n      execute(subscriber)\r\n    }\r\n\r\n    // 执行 topic 对应的处理器\r\n    execute(topic)\r\n    // 执行特殊 topic：'*'（监听全部消息的发布）\r\n    execute('*')\r\n  }\r\n\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (async) {\r\n    setTimeout(deliver, 10)\r\n  } else {\r\n    deliver()\r\n  }\r\n}\r\n\r\nexport default emit\r\n","import toString from '../lang/toString'\r\n/**\r\n * 判断检测数据是否为 Typed Arrays 类型的数据\r\n * ========================================================================\r\n * @param {*} val\r\n * @returns {boolean}\r\n */\r\nconst isTypedArray = (val) => {\r\n  const TYPES = [\r\n    '[object Int8Array]',\r\n    '[object Uint8Array]',\r\n    '[object Uint8ClampedArray]',\r\n    '[object Int16Array]',\r\n    '[object Uint16Array]',\r\n    '[object Int32Array]',\r\n    '[object Uint32Array]',\r\n    '[object Float32Array]',\r\n    '[object Float64Array]',\r\n    '[object BigInt64Array]',\r\n    '[object BigUint64Array]'\r\n  ]\r\n\r\n  return TYPES.indexOf(toString(val)) > -1\r\n}\r\n\r\nexport default isTypedArray\r\n","/**\r\n * 生成唯一 id 字符串的函数\r\n * ========================================================================\r\n * @method guid\r\n * @param {String} [prefix] - 生成 id 的前缀字符串\r\n * @return {String} 返回一个表示唯一 id 的字符串\r\n */\r\nconst guid = (() => {\r\n  let uuid = 0\r\n\r\n  return (prefix) => {\r\n    uuid += 1\r\n\r\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\r\n  }\r\n})()\r\n\r\nexport default guid\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 删除与给定 topic 相同的订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriber\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _removeSubscriber = (topic) => {\r\n  if (!hasOwn(_subscribers, topic)) {\r\n    return false\r\n  }\r\n\r\n  delete _subscribers[topic]\r\n}\r\n\r\nexport default _removeSubscriber\r\n","import has from './has'\r\nimport _removeSubscriber from './_removeSubscriber'\r\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\r\n\r\n/**\r\n * 取消订阅主题\r\n * ========================================================================\r\n * @method off\r\n * @param {String} topic - （必须）订阅的主题\r\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\r\n */\r\nconst off = (topic, token) => {\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (token) {\r\n    _removeSubscriberByToken(token)\r\n  } else {\r\n    _removeSubscriber(topic)\r\n  }\r\n}\r\n\r\nexport default off\r\n","import _subscribers from './_subscribers'\r\nimport _removeSubscriber from './_removeSubscriber'\r\n\r\n/**\r\n * 通过订阅者 token 值删除订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriberByToken\r\n * @param {String} token - 订阅者 token 字符串\r\n * @returns {boolean}\r\n * @private\r\n */\r\nconst _removeSubscriberByToken = (token) => {\r\n  const keys = Object.keys(_subscribers)\r\n  let index = -1\r\n\r\n  if (!token || keys.length < 1) {\r\n    return false\r\n  }\r\n\r\n  keys.forEach((subject) => {\r\n    const subscriber = _subscribers[subject]\r\n    let topic\r\n\r\n    subscriber.forEach((execution, j) => {\r\n      if (execution.callback === token || execution.token === token) {\r\n        topic = execution.topic\r\n        subscriber.splice(index, j)\r\n      }\r\n    })\r\n\r\n    /* istanbul ignore else */\r\n    if (subscriber.length < 1) {\r\n      _removeSubscriber(topic)\r\n    }\r\n  })\r\n}\r\n\r\nexport default _removeSubscriberByToken\r\n","import 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  refresh() {\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    let attrs = this.attr()\r\n\r\n    if (options) {\r\n      attrs = this.attr(options)\r\n    }\r\n\r\n    this.destroy().initialize(attrs)\r\n\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'\r\nimport isFunction from '../types/isFunction'\r\nimport guid from '../lang/guid'\r\n\r\n/**\r\n * 订阅主题，并给出处理器函数\r\n * ========================================================================\r\n * @method on\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Function} handler - （必须）主题的处理器函数\r\n * @param {Object} [context] - （可选）指定 this 执行上下文\r\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\r\n */\r\nconst on = (topic, handler, context = null) => {\r\n  const token = guid()\r\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\r\n\r\n  if (!isFunction(handler)) {\r\n    return ''\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (!_subscribers[subject]) {\r\n    _subscribers[subject] = []\r\n  }\r\n\r\n  _subscribers[subject].push({\r\n    topic: subject,\r\n    callback: handler,\r\n    context,\r\n    token\r\n  })\r\n\r\n  return token\r\n}\r\n\r\nexport default on\r\n","/**\r\n * timeSlice.js 时间切片功能函数\r\n * ====================================================\r\n * Created By: Yaohaixiao\r\n * Update: 2023.09.04\r\n */\r\nimport isFunction from '../types/isFunction'\r\nimport later from './later'\r\n\r\nconst queue = []\r\nlet isHandling\r\nlet done\r\n\r\n// Shim from https://developers.google.com/web/updates/2015/08/using-requestidlecallback\r\nif (typeof window.requestIdleCallback === 'undefined') {\r\n  window.requestIdleCallback = function (cb) {\r\n    const start = Date.now()\r\n    return later(function () {\r\n      cb({\r\n        didTimeout: false,\r\n        timeRemaining: function () {\r\n          return Math.max(0, 50 - (Date.now() - start))\r\n        }\r\n      })\r\n    }, 10)\r\n  }\r\n\r\n  window.cancelIdleCallback = function (id) {\r\n    clearTimeout(id)\r\n  }\r\n}\r\n\r\nfunction runIdle(idleDeadline) {\r\n  while (idleDeadline.timeRemaining() > 0 && queue.length) {\r\n    const fn = queue.shift()\r\n\r\n    if (!isFunction(fn)) {\r\n      return false\r\n    }\r\n\r\n    fn()\r\n  }\r\n\r\n  if (queue.length) {\r\n    isHandling = requestIdleCallback(runIdle)\r\n  } else {\r\n    isHandling = 0\r\n\r\n    if (isFunction(done)) {\r\n      done()\r\n      done = null\r\n    }\r\n  }\r\n}\r\n\r\n/**\r\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\r\n * 多个短时间任务\r\n * ====================================================\r\n * @param {Function} fn - 需要在空闲时执行的回调函数\r\n * @param {Function} afterComplete - queen 的\r\n * @return {(function(): (boolean|undefined))|*|boolean}\r\n */\r\nconst timeSlice = (fn, afterComplete = null) => {\r\n  queue.push(fn)\r\n\r\n  if (isFunction(afterComplete)) {\r\n    done = afterComplete\r\n  }\r\n\r\n  if (!isHandling) {\r\n    requestIdleCallback(runIdle)\r\n  }\r\n}\r\n\r\nexport default timeSlice\r\n","/**\r\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\r\n * ========================================================================\r\n * @method offsetTop\r\n * @param {HTMLElement} el - DOM 节点\r\n * @returns {Number}\r\n */\r\nconst offsetTop = (el) => {\r\n  let top = el.offsetTop\r\n\r\n  if (el.offsetParent !== null) {\r\n    top += offsetTop(el.offsetParent)\r\n  }\r\n\r\n  return top\r\n}\r\n\r\nexport default offsetTop\r\n","/**\r\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\r\n * ========================================================================\r\n * Element.matches() 方法可以用来判断 DOM 元素是否与给定的选择器匹配，事件代理判断是\r\n * 否触发绑定的代理事件回调函数，关键就是使用 Element.matches() 辨别当前事件触发的目\r\n * 标 DOM 元素是否为事件代理所期望触发的目标。\r\n * ========================================================================\r\n * @method matches\r\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\r\n * @returns {Boolean}\r\n */\r\nconst matches = (el, selector = '') => {\r\n  const sel = selector.replace(/^>/i, '')\r\n\r\n  if (!selector || !sel || !el) {\r\n    return false\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (el.matches) {\r\n    return el.matches(sel)\r\n  } else if (el.msMatchesSelector) {\r\n    return el.msMatchesSelector(sel)\r\n  } else {\r\n    return false\r\n  }\r\n}\r\n\r\nexport default matches\r\n","/**\r\n * 获取 DOM 元素的父节点\r\n * ========================================================================\r\n * @method getParentOrHost\r\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\r\n * @returns {*|HTMLElement}\r\n */\r\nconst getParentOrHost = (el) => {\r\n  return el.host && el !== document && el.host.nodeType\r\n    ? el.host\r\n    : el.parentNode\r\n}\r\n\r\nexport default getParentOrHost\r\n","export const CAPTURE_EVENTS = [\r\n  'focusout',\r\n  'blur',\r\n  'focusin',\r\n  'focus',\r\n  'load',\r\n  'unload',\r\n  'mouseenter',\r\n  'mouseleave'\r\n]\r\n","import { CAPTURE_EVENTS } from './enum'\r\nimport _delete from './_delete'\r\n\r\n/**\r\n * （私有方法）取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method _off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} fn - （必须）事件处理器回调函数\r\n * @private\r\n */\r\nconst _off = (el, type, fn) => {\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  /* istanbul ignore else */\r\n  if (fn._delegateListener) {\r\n    fn = fn._delegateListener\r\n    delete fn._delegateListener\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  _delete(el, type, fn)\r\n\r\n  el.removeEventListener(type, fn, capture)\r\n}\r\n\r\nexport default _off\r\n","/**\r\n * 删除 DOM 元素缓存的 _listeners 数据\r\n * ========================================================================\r\n * @method _delete\r\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\r\n * @param {String} type - 事件类型（名称）\r\n * @param {Function} [fn] - 事件处理器回调函数\r\n */\r\nconst _delete = function (el, type, fn) {\r\n  const listeners = el._listeners\r\n  let index = -1\r\n\r\n  if (listeners.length < 1) {\r\n    return false\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  listeners.forEach((listener, i) => {\r\n    const handler = listener.fn\r\n\r\n    if (type === listener.type) {\r\n      index = i\r\n\r\n      if (handler === fn) {\r\n        index = i\r\n      }\r\n    }\r\n  })\r\n\r\n  /* istanbul ignore else */\r\n  if (index > -1) {\r\n    listeners.splice(index, 1)\r\n  }\r\n}\r\n\r\nexport default _delete\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport getListeners from './getListeners'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 销毁（type 类型的）代理事件绑定\r\n * ========================================================================\r\n * 1. 设置了事件类型 type，则销毁指定类型的事件绑定，否则清除所有代理事件绑定\r\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\r\n * ========================================================================\r\n * @method purgeElement\r\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\r\n * @param {String|Boolean} type - （必须）事件类型\r\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\r\n */\r\nconst purgeElement = function (el, type, recurse = false) {\r\n  const $element = isString(el) ? document.querySelector(el) : el\r\n  const $children = $element.childNodes\r\n  const listeners = getListeners($element, type)\r\n\r\n  listeners.forEach((listener) => {\r\n    _off($element, listener.type, listener.fn)\r\n  })\r\n\r\n  if (\r\n    (recurse || type === true || arguments.length === 1) &&\r\n    $element &&\r\n    $children\r\n  ) {\r\n    $children.forEach(($child) => {\r\n      if (isElement($child)) {\r\n        purgeElement($child, type, recurse)\r\n      }\r\n    })\r\n  }\r\n}\r\n\r\nexport default purgeElement\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 获取 DOM 元素（type 事件类型）事件绑定信息\r\n * ========================================================================\r\n * 如果设置了事件类型 type， 则返回指定类型的事件绑定信息，否则返回所有事件绑定信息\r\n * ========================================================================\r\n * @methods getListeners\r\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\r\n * @param {String} [type] - （可选）事件类型\r\n * @returns {Array} - 已绑定的事件信息\r\n */\r\nconst getListeners = (el, type) => {\r\n  let listeners = el._listeners || []\r\n\r\n  if (isString(type) && type) {\r\n    listeners = listeners.filter((listener) => {\r\n      return listener.type === type\r\n    })\r\n  }\r\n\r\n  return listeners\r\n}\r\n\r\nexport default getListeners\r\n","import purgeElement from './purgeElement'\r\nimport isFunction from '../types/isFunction'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method off\r\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} [fn] - （可选）事件处理器回调函数\r\n */\r\nconst off = (el, type, fn) => {\r\n  // 如果不设置 fn 参数，默认清除 el 元素上绑定的所有事件处理器\r\n  if (!isFunction(fn)) {\r\n    purgeElement(el, type)\r\n    return false\r\n  }\r\n\r\n  _off(el, type, fn)\r\n}\r\n\r\nexport default off\r\n","import closest from '../dom/closest'\r\nimport off from './off'\r\nimport getTarget from './getTarget'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定代理事件\r\n * ========================================================================\r\n * @method on\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （可选） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst on = (el, selector, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  const listener = function (evt) {\r\n    const target = getTarget(evt)\r\n    // 通过 Element.matches 方法获得点击的目标元素\r\n    const delegateTarget = closest(target, selector, el)\r\n    let overrideContext = context || el\r\n\r\n    evt.delegateTarget = delegateTarget\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (delegateTarget) {\r\n      // 仅触发一次\r\n      /* istanbul ignore else */\r\n      if (once === true) {\r\n        off(el, type, listener)\r\n      }\r\n\r\n      fn.call(overrideContext, evt, data)\r\n    }\r\n  }\r\n\r\n  if (!el) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    selector,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default on\r\n","import resolveTextNode from '../dom/resolveTextNode'\r\n\r\n/**\r\n * 返回触发事件的 target DOM 元素\r\n * ========================================================================\r\n * @method getTarget\r\n * @param {Event} evt - Event 对象\r\n * @return {HTMLElement} - Event 对象的 target DOM 元素\r\n */\r\nconst getTarget = function (evt) {\r\n  const target = evt.target\r\n\r\n  return resolveTextNode(target)\r\n}\r\n\r\nexport default getTarget\r\n","/**\r\n * 在某些情况下，某些浏览器（例如：Safari 浏览器）会返回实际的目标元素内部的文本节点。\r\n * resolveTextNode() 方法则会返回实际的目标节点。\r\n * ========================================================================\r\n * @method resolveTextNode\r\n * @param {HTMLElement|Text} el - 要解析的节点\r\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\r\n */\r\nconst resolveTextNode = function (el) {\r\n  if (el && el.nodeType === 3) {\r\n    return el.parentNode\r\n  }\r\n\r\n  return el\r\n}\r\n\r\nexport default resolveTextNode\r\n","import matches from './matches'\r\nimport getParentOrHost from './getParentOrHost'\r\n\r\n/**\r\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\r\n * ========================================================================\r\n * @method closest\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）DOM 元素的选择其\r\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\r\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\r\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\r\n */\r\nconst closest = (el, selector, ctx, includeCTX) => {\r\n  const context = ctx || document\r\n\r\n  if (!el) {\r\n    return null\r\n  }\r\n\r\n  do {\r\n    /* istanbul ignore else */\r\n    if (\r\n      (selector != null &&\r\n        (selector.startsWith('>')\r\n          ? el.parentNode === context && matches(el, selector)\r\n          : matches(el, selector))) ||\r\n      (includeCTX && el === context)\r\n    ) {\r\n      return el\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (el === context) {\r\n      break\r\n    }\r\n\r\n    /* jshint boss:true */\r\n  } while ((el = getParentOrHost(el)))\r\n}\r\n\r\nexport default closest\r\n","/**\r\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\r\n * ========================================================================\r\n * @method stop\r\n * @param {Event} evt - 事件对象\r\n *\r\n * @example\r\n * <div id=\"nav\" class=\"nav\">\r\n *   <a id=\"service\" class=\"anchor\" href=\"https://www.yaohaixiao.com/serivce\">Service</a>\r\n *   <a id=\"help\" class=\"anchor\" href=\"https://www.yaohaixiao.com/help\">Help</a>\r\n * </div>\r\n *\r\n * const $nav = document.querySelector('#nav')\r\n * const $service = document.querySelector('.anchor')\r\n *\r\n * on($nav, 'click', function(evt) {\r\n *   console.log('你点击了导航栏')\r\n * })\r\n *\r\n * on($anchor, 'click', function(evt) {\r\n *   console.log('tagName', this.tagName)\r\n *\r\n *   // 工作台输出：'a'\r\n *   // 不会触发事件冒泡，输出：'你点击了导航栏'\r\n *   // 也不会切换到 href 属性的页面，阻止了点击链接的默认行为\r\n *   stopEvent(evt)\r\n * })\r\n */\r\nconst stop = function (evt) {\r\n  evt.stopPropagation()\r\n  evt.preventDefault()\r\n}\r\n\r\nexport default stop\r\n","import DEFAULTS from './defaults'\r\n\r\nconst SYMBOLS = [...DEFAULTS]\r\n\r\nexport default SYMBOLS\r\n","const DEFAULTS = [\r\n  '<symbol id=\"outline-icon-up\" viewBox=\"0 0 1024 1024\"><path d=\"M494.784 261.696c0.832-0.448 1.536-1.216 2.368-1.536a38.72 38.72 0 0 1 46.08 8.256l277.824 302.272a41.92 41.92 0 0 1-1.536 58.048 39.104 39.104 0 0 1-56.448-1.6L513.728 355.904 260.736 626.048a39.104 39.104 0 0 1-56.448 1.088 41.6 41.6 0 0 1-1.088-57.984L483.84 269.696c0.512-0.512 1.344-0.768 1.92-1.408l1.088-1.344c2.368-2.496 5.312-3.648 8-5.248z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-down\" viewBox=\"0 0 1024 1024\"><path d=\"M494.784 762.304c0.832 0.448 1.536 1.216 2.368 1.536 15.232 7.488 33.92 4.992 46.08-8.256l277.824-302.272a41.92 41.92 0 0 0-1.536-58.048 39.104 39.104 0 0 0-56.448 1.6l-249.344 271.232-252.992-270.144a39.104 39.104 0 0 0-56.448-1.088 41.6 41.6 0 0 0-1.088 57.984l280.576 299.456c0.512 0.512 1.344 0.768 1.92 1.408l1.088 1.344c2.368 2.496 5.312 3.648 8 5.248z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-menu\" viewBox=\"0 0 1024 1024\"><path d=\"M320 256h640V128H320zM320 576h640V448H320zM320 896h640v-128H320zM64 256h128V128H64zM64 576h128V448H64zM64 896h128v-128H64z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-file\" viewBox=\"0 0 1024 1024\"><path d=\"M320 640h256v128H320z\"></path><path d=\"M320 448h384v128H320z\"></path><path d=\"M640 0l320 320v557.696C960 958.528 909.824 1024 848 1024H176C114.176 1024 64 958.528 64 877.696V146.304C64 65.472 114.176 0 176 0H640z m0 128H192v768h640V320h-192V128z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-hash\" viewBox=\"0 0 24 24\"><path d=\"M14.216 10l-0.444 4h-3.988l0.444-4zM15.006 2.89l-0.568 5.11h-3.988l0.543-4.89c0.061-0.549-0.335-1.043-0.883-1.104s-1.043 0.335-1.104 0.884l-0.568 5.11h-4.438c-0.552 0-1 0.448-1 1s0.448 1 1 1h4.216l-0.444 4h-3.772c-0.552 0-1 0.448-1 1s0.448 1 1 1h3.549l-0.543 4.89c-0.061 0.549 0.335 1.043 0.883 1.104s1.043-0.335 1.104-0.883l0.569-5.111h3.988l-0.543 4.89c-0.061 0.549 0.335 1.043 0.883 1.104s1.043-0.335 1.104-0.883l0.568-5.111h4.438c0.552 0 1-0.448 1-1s-0.448-1-1-1h-4.216l0.444-4h3.772c0.552 0 1-0.448 1-1s-0.448-1-1-1h-3.549l0.543-4.89c0.061-0.549-0.335-1.043-0.883-1.104s-1.043 0.335-1.104 0.883z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-close\" viewBox=\"0 0 1024 1024\"><path d=\"M536.96 491.648L310.592 265.344a32 32 0 1 0-45.248 45.248L491.584 536.96l-226.304 226.304a32 32 0 0 0 45.312 45.248l226.24-226.304 226.304 226.304a32 32 0 0 0 45.248-45.248L582.144 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m0-213.333333C228.949333 0 0 228.949333 0 512s228.949333 512 512 512 512-228.949333 512-512S794.325333 0 512 0z m0 938.666667C276.608 938.666667 85.333333 747.392 85.333333 512S276.608 85.333333 512 85.333333s426.666667 191.274667 426.666667 426.666667-191.274667 426.666667-426.666667 426.666667z m0-213.333334c-23.466667 0-42.666667 19.2-42.666667 42.666667s19.2 42.666667 42.666667 42.666667 42.666667-19.2 42.666667-42.666667-19.2-42.666667-42.666667-42.666667z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-circle-error\" viewBox=\"0 0 1024 1024\"><path d=\"M512 0a512 512 0 1 0 512 512 512 512 0 0 0-512-512z m0 955.776A443.84 443.84 0 0 1 512 68.224a443.904 443.904 0 0 1 0 887.552z\"></path><path d=\"M641.664 326.144a32 32 0 0 1 50.304 39.168l-3.52 4.48-306.112 328.064a32 32 0 0 1-50.304-39.168l3.52-4.48 306.112-328.064z\"></path><path d=\"M324.608 337.088a32 32 0 0 1 40.704-5.12l4.48 3.584 328.064 306.112a32 32 0 0 1-39.168 50.304l-4.48-3.52-328.064-306.112a32 32 0 0 1-1.536-45.248z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-circle-success\" viewBox=\"0 0 1024 1024\"><path d=\"M512 0C228.949333 0 0 228.949333 0 512s228.949333 512 512 512 512-228.949333 512-512S794.325333 0 512 0z m0 950.869333C269.909333 950.869333 73.130667 754.090667 73.130667 512 73.130667 269.909333 269.909333 73.130667 512 73.130667c242.090667 0 438.869333 196.778667 438.869333 438.869333 0 242.090667-196.778667 438.869333-438.869333 438.869333z\"></path><path d=\"M737.834667 353.834667a42.666667 42.666667 0 0 1 63.872 56.32l-3.541334 4.010666L486.997333 725.333333a85.333333 85.333333 0 0 1-115.242666 4.992L366.336 725.333333l-140.501333-140.501333a42.666667 42.666667 0 0 1 56.32-63.872l4.010666 3.541333L426.666667 665.002667l311.168-311.168z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-sound\" viewBox=\"0 0 16 16\"><path d=\"M12.757 4.708c-0.406 0.405-1.062 0.405-1.468 0s-0.405-1.062 0-1.468l2.935-2.935c0.406-0.405 1.062-0.405 1.468 0 0.405 0.405 0.405 1.062 0 1.468l-2.935 2.935zM7.996 15.991l-3.996-3.996h-2.997c-0.552 0-0.999-0.447-0.999-0.999v-5.994c0-0.552 0.447-0.999 0.999-0.999h2.997l3.996-3.996c0 0 0.999-0.125 0.999 0.999 0 5.976 0 14.966 0 13.985 0 1.124-0.999 0.999-0.999 0.999zM6.997 4.004l-1.998 1.998h-2.997v3.996h2.997l1.998 1.998v-7.992zM11.992 8.999c-0.552 0-0.999-0.447-0.999-0.999s0.447-0.999 0.999-0.999h2.997c0.552 0 0.999 0.447 0.999 0.999s-0.447 0.999-0.999 0.999h-2.997zM12.757 11.292l2.935 2.935c0.405 0.406 0.405 1.063 0 1.468s-1.062 0.405-1.468 0l-2.935-2.935c-0.405-0.406-0.405-1.063 0-1.468s1.062-0.405 1.468 0z\"></path></symbol>'\r\n]\r\n\r\nexport default DEFAULTS\r\n","import isString from '../types/isString'\r\nimport getSymbol from './getSymbol'\r\nimport SYMBOLS from './symbols'\r\n\r\n/**\r\n *\r\n * @method getSymbols\r\n * @param {String} [name]\r\n * @param {String} [iconSet]\r\n * @returns {string[]|*}\r\n */\r\nconst getSymbols = (name, iconSet = 'icon') => {\r\n  if (isString(name)) {\r\n    return getSymbol(name, iconSet)\r\n  }\r\n\r\n  return [...SYMBOLS]\r\n}\r\n\r\nexport default getSymbols\r\n","import SYMBOLS from './symbols'\r\n\r\n/**\r\n * @method getSymbol\r\n * @param {String} name\r\n * @param {String} [iconSet]\r\n * @returns {String}\r\n */\r\nconst getSymbol = (name, iconSet = 'icon') => {\r\n  const patternName = /id=\"(.*?)\"/\r\n  const patternSet = /^(\\w+)-/\r\n  const symbols = SYMBOLS\r\n\r\n  return symbols.find((symbol) => {\r\n    const names = patternName.exec(symbol)\r\n    const fullName = names[1]\r\n    const sets = patternSet.exec(fullName)\r\n    const setName = sets[1]\r\n    const iconName =\r\n      iconSet === 'icon' ? `${iconSet}-${name}` : `${iconSet}-icon-${name}`\r\n\r\n    return setName === iconSet && fullName === iconName\r\n  })\r\n}\r\n\r\nexport default getSymbol\r\n","import add from './add'\r\nimport getSymbols from './getSymbols'\r\n\r\n/**\r\n * 绘制 SVG 图标集\r\n * ========================================================================\r\n * @method paint\r\n * @param {String|Array} symbol\r\n */\r\nconst paint = (symbol = '') => {\r\n  const $body = document.body\r\n  let $icons = document.querySelector('#outline-icons')\r\n  let symbols = []\r\n\r\n  add(symbol)\r\n  symbols = getSymbols()\r\n\r\n  if ($icons) {\r\n    $icons.innerHTML = symbols.join('')\r\n  } else {\r\n    $icons = document.createElement('div')\r\n    $icons.innerHTML =\r\n      `<svg id=\"outline-icons\" aria-hidden=\"true\" style=\"position:absolute;display:none;width:0;height:0;overflow:hidden;\">` +\r\n      `${symbols.join('')}` +\r\n      `</svg>`\r\n    $body.insertBefore($icons.firstChild, $body.firstChild)\r\n  }\r\n}\r\n\r\nexport default paint\r\n","import isArray from '../types/isArray'\r\nimport isString from '../types/isString'\r\nimport SYMBOLS from './symbols'\r\n\r\n/**\r\n * @method add\r\n * @param {Array|String} symbols\r\n * @return {Boolean}\r\n */\r\nconst add = (symbols) => {\r\n  if (!symbols) {\r\n    return false\r\n  }\r\n\r\n  if (isArray(symbols) && symbols.length > 0) {\r\n    symbols.forEach((symbol) => {\r\n      /* istanbul ignore else */\r\n      if (SYMBOLS.indexOf(symbol) === -1 && isString(symbol)) {\r\n        SYMBOLS.push(symbol)\r\n      }\r\n    })\r\n  } else {\r\n    /* istanbul ignore else */\r\n    if (isString(symbols)) {\r\n      SYMBOLS.push(symbols)\r\n    }\r\n  }\r\n}\r\n\r\nexport default add\r\n","import isObject from './isObject'\r\nimport isElement from './isElement'\r\nimport isHTMLCollection from './isHTMLCollection'\r\nimport isFragment from './isFragment'\r\nimport isTextNode from './isTextNode'\r\n\r\nconst isDOM = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (isElement(el) || isHTMLCollection(el) || isFragment(el) || isTextNode(el))\r\n  )\r\n}\r\n\r\nexport default isDOM\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isHTMLCollection = (el) => {\r\n  return !!(isObject(el) && toString(el) === '[object NodeList]')\r\n}\r\n\r\nexport default isHTMLCollection\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isFragment = (fragment) => {\r\n  return !!(\r\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\r\n  )\r\n}\r\n\r\nexport default isFragment\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isTextNode = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (toString(el) === '[object Text]' || (el.tagName && el.nodeType === 3))\r\n  )\r\n}\r\n\r\nexport default isTextNode\r\n","/**\r\n * 给 DOM 节点设置属性/值\r\n * ========================================================================\r\n * @method setAttribute\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} attr - 属性名称\r\n * @param {String|Number|Boolean} value - 属性值\r\n */\r\nconst setAttribute = (el, attr, value) => {\r\n  let tagName = el.tagName.toLowerCase()\r\n\r\n  switch (attr) {\r\n    case 'style':\r\n      el.style.cssText = value\r\n      break\r\n    case 'value':\r\n      if (tagName === 'input' || tagName === 'textarea') {\r\n        el.value = value\r\n      } else {\r\n        el.setAttribute(attr, value)\r\n      }\r\n      break\r\n    case 'htmlFor':\r\n      el.setAttribute('for', value)\r\n      break\r\n    case 'className':\r\n      el.className = value\r\n      break\r\n    case 'innerHTML':\r\n      el.innerHTML = value\r\n      break\r\n    case 'innerText':\r\n      el.innerText = value\r\n      break\r\n    default:\r\n      el.setAttribute(attr, value)\r\n      break\r\n  }\r\n}\r\n\r\nexport default setAttribute\r\n","import isObject from '../types/isObject'\r\nimport hasOwn from '../lang/hasOwn'\r\nimport setAttribute from './setAttribute'\r\n\r\nconst setAttributes = (el, attrs) => {\r\n  if (!el || !isObject(attrs)) {\r\n    return false\r\n  }\r\n\r\n  Object.keys(attrs).forEach((attr) => {\r\n    const value = attrs[attr]\r\n    if (hasOwn(attrs, attr)) {\r\n      setAttribute(el, attr, value)\r\n    }\r\n  })\r\n}\r\n\r\nexport default setAttributes\r\n","import isObject from '../types/isObject'\r\nimport isString from '../types/isString'\r\nimport isArray from '../types/isArray'\r\nimport isDOM from '../types/isDOM'\r\nimport setAttributes from './setAttributes'\r\n\r\n/**\r\n * 创建 DOM 节点，并添加属性和子节点\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} tagName - 标签名称\r\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\r\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (tagName, attrs, children) => {\r\n  const $fragment = document.createDocumentFragment()\r\n  const $el = document.createElement(tagName)\r\n  const isValidChild = (child) => {\r\n    return isDOM(child) || isString(child)\r\n  }\r\n  const append = (child) => {\r\n    let $child\r\n\r\n    if (!isValidChild(child)) {\r\n      return false\r\n    }\r\n\r\n    if (isDOM(child)) {\r\n      $child = child\r\n    } else if (isString(child)) {\r\n      $child = document.createTextNode(child)\r\n    }\r\n\r\n    $fragment.appendChild($child)\r\n  }\r\n\r\n  if (isObject(attrs)) {\r\n    setAttributes($el, attrs)\r\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\r\n    attrs.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else if (isDOM(attrs)) {\r\n    append(attrs)\r\n  } else if (isString(attrs)) {\r\n    append(document.createTextNode(attrs))\r\n  }\r\n\r\n  if (isArray(children)) {\r\n    children.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else {\r\n    append(children)\r\n  }\r\n\r\n  $el.appendChild($fragment)\r\n\r\n  return $el\r\n}\r\n\r\nexport default createElement\r\n","import isArray from '../types/isArray'\r\nimport isString from '../types/isString'\r\nimport isSVG from '../types/isSVG'\r\nimport setAttributes from '../dom/setAttributes'\r\n\r\n/**\r\n * 创建 SVG 图标 DOM 元素\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} name\r\n * @param {Object} [options]\r\n * @param {Number|Array} [options.size]\r\n * @param {String} [options.color]\r\n * @param {String} [options.iconSet]\r\n * @param {Object} [options.attrs]\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (name, options = {}) => {\r\n  const ICON = 'outline-icon'\r\n  const size = options.size || 0\r\n  const color = options.color || ''\r\n  const iconSet = options.iconSet || ''\r\n  const width = isArray(size) ? size[0] : size\r\n  const height = isArray(size) ? size[1] : size\r\n  const defaultRules = size ? `width:${width}px;height:${height}px;` : ''\r\n  const cssRules = color ? defaultRules + `color:${color}` : defaultRules\r\n  const attrs = options.attrs || {}\r\n  const $icon = document.createElement('i')\r\n  let binds = ''\r\n  let svg = ''\r\n  let $svg\r\n\r\n  if (!isString(name)) {\r\n    return null\r\n  }\r\n\r\n  if (isSVG(name)) {\r\n    svg = name\r\n  } else {\r\n    binds =\r\n      iconSet && iconSet !== 'icon'\r\n        ? `xlink:href=\"#${iconSet}-icon-${name}\"`\r\n        : `xlink:href=\"#icon-${name}\"`\r\n    svg = `<svg><use ${binds}></use></svg>`\r\n  }\r\n\r\n  $icon.innerHTML = svg\r\n\r\n  if (attrs.className) {\r\n    attrs.className = `${ICON} ${attrs.className}`\r\n  } else {\r\n    attrs.className = ICON\r\n  }\r\n\r\n  setAttributes($icon, attrs)\r\n\r\n  $svg = $icon.querySelector('svg')\r\n  setAttributes($svg, {\r\n    'aria-hidden': true,\r\n    xmlns: 'http://www.w3.org/2000/svg',\r\n    class: 'outline-icon__svg',\r\n    width: 200,\r\n    height: 200,\r\n    style: cssRules\r\n  })\r\n\r\n  return $icon\r\n}\r\n\r\nexport default createElement\r\n","import isString from './isString'\r\n\r\nconst isSVG = (str) => {\r\n  const declaration = '(?:<\\\\?xml[^>]*>\\\\s*)?'\r\n  const doctype =\r\n    '(?:<\\\\!doctype svg[^>]*\\\\s*(?:\\\\[?(?:\\\\s*<![^>]*>\\\\s*)*\\\\]?)*[^>]*>\\\\s*)?'\r\n  const content = '<svg[^>]*>[^]*<\\\\/svg>\\\\s*$'\r\n  const svg = `^\\\\s*${declaration}${doctype}${content}\\\\s*$`\r\n  const pattern = new RegExp(svg, 'i')\r\n\r\n  return isString(str) && pattern.test(str)\r\n}\r\n\r\nexport default isSVG\r\n","import createElement from './createElement'\r\n\r\n/**\r\n * 创建 SVG 图标 DOM 元素\r\n * ========================================================================\r\n * @method icon\r\n * @alias createElement\r\n * @see createElement\r\n * @param {String} name\r\n * @param {Object} [options]\r\n * @param {Number|Array} [options.size]\r\n * @param {String} [options.color]\r\n * @param {String} [options.iconSet]\r\n * @returns {HTMLElement}\r\n */\r\nconst icon = (name, options = {}) => {\r\n  return createElement(name, options)\r\n}\r\n\r\nexport default icon\r\n","import trim from '../lang/trim'\r\nimport hasClass from './hasClass'\r\n\r\n/**\r\n * 移除 DOM 节点的 className 样式\r\n * ========================================================================\r\n * @method removeClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst removeClass = (el, className) => {\r\n  let allClass = el.className\r\n  let classList\r\n\r\n  if (!allClass || !hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.remove) {\r\n    classList.remove(className)\r\n  } else {\r\n    allClass = trim(allClass.replace(className, ''))\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default removeClass\r\n","import removeClass from './utils/dom/removeClass'\r\nimport isEmpty from './utils/types/isEmpty'\r\nimport trim from './utils/lang/trim'\r\n\r\nconst _removeHeading = ($heading, hasAnchor = true, isAtStart = true) => {\r\n  const CLS_HEADING = 'outline-heading'\r\n  const text = $heading.innerHTML\r\n  const pattern = /^\\d+(\\.?\\d+)*\\s?/gi\r\n  let $anchor\r\n\r\n  $heading.innerHTML = text.replace(pattern, '')\r\n  $heading.removeAttribute('id')\r\n  $heading.removeAttribute('data-id')\r\n\r\n  removeClass($heading, CLS_HEADING)\r\n\r\n  if (!hasAnchor) {\r\n    return false\r\n  }\r\n\r\n  $anchor = $heading.querySelector(`.${CLS_HEADING}__anchor`)\r\n\r\n  if (isAtStart) {\r\n    removeClass($heading, `${CLS_HEADING}_start`)\r\n  }\r\n\r\n  if (isEmpty(trim($heading.className))) {\r\n    $heading.removeAttribute('class')\r\n  }\r\n\r\n  // 存在锚点才移除\r\n  if ($anchor) {\r\n    $heading.removeChild($anchor)\r\n  }\r\n}\r\n\r\nexport default _removeHeading\r\n","import isString from './isString'\r\n/**\r\n * 检测数据是否为空字符串\r\n * ========================================================================\r\n * @method isEmpty\r\n * @param {String} str\r\n * @returns {boolean}\r\n */\r\nconst isEmpty = (str) => {\r\n  return isString(str) && str === ''\r\n}\r\n\r\nexport default isEmpty\r\n","import isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport timeSlice from './utils/lang/timeSlice'\r\nimport later from './utils/lang/later'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport paint from './utils/icons/paint'\r\n\r\nimport _updateHeading from './_updateHeading'\r\nimport _removeHeading from './_removeHeading'\r\nimport getChapters from './getChapters'\r\n\r\nimport Base from './base'\r\n\r\nclass Anchors extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Anchors.DEFAULTS)\r\n\r\n    this.$articleElement = null\r\n    this.$scrollElement = null\r\n    this.$headings = []\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let scrollElement\r\n    let $articleElement\r\n    let articleElement\r\n\r\n    this.attr(options)\r\n\r\n    articleElement = this.attr('articleElement')\r\n    scrollElement = this.attr('scrollElement')\r\n    created = this.attr('created')\r\n\r\n    if (isString(articleElement)) {\r\n      $articleElement = document.querySelector(articleElement)\r\n    } else if (isElement(articleElement)) {\r\n      $articleElement = articleElement\r\n    }\r\n\r\n    if (!$articleElement) {\r\n      return this\r\n    }\r\n\r\n    this.$articleElement = $articleElement\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n    this.$headings = this.getHeadings()\r\n\r\n    if (this.$headings.length < 1) {\r\n      return this\r\n    }\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  getHeadings() {\r\n    const $articleElement = this.$articleElement\r\n    const selector = this.attr('selector')\r\n\r\n    return [...$articleElement.querySelectorAll(selector)]\r\n  }\r\n\r\n  count() {\r\n    return this.getHeadings().length\r\n  }\r\n\r\n  render() {\r\n    const articleElement = this.attr('articleElement')\r\n    const selector = this.attr('selector')\r\n    const showCode = this.attr('showCode') || true\r\n    const chapterTextFilter = this.attr('chapterTextFilter')\r\n    const mounted = this.attr('mounted')\r\n    const chapters = getChapters({\r\n      articleElement,\r\n      selector,\r\n      showCode,\r\n      chapterTextFilter\r\n    })\r\n\r\n    paint()\r\n\r\n    this._paint(chapters)\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this._remove()\r\n\r\n    return this\r\n  }\r\n\r\n  _paint(chapters) {\r\n    const LIMIT = 400\r\n    const hasAnchor = this.attr('hasAnchor')\r\n    const isAtStart = this.attr('isAtStart')\r\n    const showCode = this.attr('showCode')\r\n    const anchorURL = this.attr('anchorURL')\r\n    const count = this.count()\r\n    const $headings = [...this.$headings]\r\n    const update = (headings, group) => {\r\n      headings.forEach(($heading, i) => {\r\n        const id = i + group * LIMIT\r\n        const chapterCode = chapters[id].code\r\n        _updateHeading($heading, id, {\r\n          hasAnchor,\r\n          isAtStart,\r\n          showCode,\r\n          chapterCode,\r\n          anchorURL\r\n        })\r\n      })\r\n    }\r\n    let groupIndex = -1\r\n\r\n    // 针对超长的文章，进行 timeSlice 处理\r\n    if (count > LIMIT) {\r\n      groupIndex += 1\r\n      // 同步绘制 Limit 以内的标题链接（可以确保 50ms 完成绘制）\r\n      update($headings.splice(0, LIMIT), 0)\r\n      // 采用 timeSlice 处理机制绘制剩余的标题\r\n      while ($headings.length > 0) {\r\n        const once = $headings.splice(0, LIMIT)\r\n        timeSlice(\r\n          () => {\r\n            update(once, (groupIndex += 1))\r\n          },\r\n          () => {\r\n            this.$emit('anchors:all:paint')\r\n          }\r\n        )\r\n      }\r\n    } else {\r\n      update($headings, 0)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    const hasAnchor = this.attr('hasAnchor')\r\n    const isAtStart = this.attr('isAtStart')\r\n    const $headings = this.$headings\r\n\r\n    $headings.forEach(($heading) => {\r\n      _removeHeading($heading, hasAnchor, isAtStart)\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  refresh(chapters) {\r\n    const articleElement = this.attr('articleElement')\r\n    const selector = this.attr('selector')\r\n    const showCode = this.attr('showCode') || true\r\n    const chapterTextFilter = this.attr('chapterTextFilter')\r\n\r\n    this.$headings = this.getHeadings()\r\n\r\n    this.erase()._paint(\r\n      chapters ||\r\n        getChapters({\r\n          articleElement,\r\n          selector,\r\n          showCode,\r\n          chapterTextFilter\r\n        })\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onAnchorTrigger(evt) {\r\n    const anchorURL = this.attr('anchorURL')\r\n    const afterScroll = this.attr('afterScroll')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const $heading = $anchor.parentNode\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const $scrollElement = this.$scrollElement\r\n    const min = 0\r\n    const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this, 'anchor')\r\n      }\r\n\r\n      later(() => {\r\n        this.$emit('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.scrollTo(top, after)\r\n\r\n    if (!anchorURL) {\r\n      stop(evt)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $articleElement = this.$articleElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    on(\r\n      $articleElement,\r\n      '.outline-heading__anchor',\r\n      'click',\r\n      this.onAnchorTrigger,\r\n      this,\r\n      true\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $articleElement = this.$articleElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    off($articleElement, 'click', this.onAnchorTrigger)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nAnchors.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    scrollElement: 'html,body',\r\n    articleElement: '#article',\r\n    selector: 'h1,h2,h3,h4,h5,h6',\r\n    stickyHeight: 0,\r\n    anchorURL: '',\r\n    hasAnchor: true,\r\n    isAtStart: true,\r\n    showCode: false,\r\n    created: null,\r\n    mounted: null,\r\n    afterScroll: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null,\r\n    chapterTextFilter: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Anchors\r\n","import trim from './utils/lang/trim'\r\nimport createElement from './utils/dom/createElement'\r\nimport setAttributes from './utils/dom/setAttributes'\r\n\r\nimport icon from './utils/icons/icon'\r\n\r\nconst _updateHeading = ($heading, i, options) => {\r\n  const CLS_HEADING = 'outline-heading'\r\n  const hasAnchor = options.hasAnchor || true\r\n  const isAtStart = options.isAtStart || true\r\n  const showCode = options.showCode || false\r\n  const chapterCode = options.chapterCode || ''\r\n  const anchorURL = options.anchorURL || ''\r\n  const headingId = `heading-${i}`\r\n  const attrs = {\r\n    id: headingId,\r\n    className: isAtStart ? `${CLS_HEADING} ${CLS_HEADING}_start` : CLS_HEADING,\r\n    'data-id': i\r\n  }\r\n  const text = trim($heading.innerHTML)\r\n  let $anchor\r\n  let $icon\r\n\r\n  if (showCode) {\r\n    attrs.innerHTML = chapterCode + ' ' + text\r\n    attrs['data-code'] = chapterCode\r\n  }\r\n  setAttributes($heading, attrs)\r\n\r\n  if (!hasAnchor) {\r\n    return false\r\n  }\r\n\r\n  $icon = icon('hash', { iconSet: 'outline' })\r\n  $anchor = createElement(\r\n    'a',\r\n    {\r\n      id: `anchor-${i}`,\r\n      className: `${CLS_HEADING}__anchor anchor-${i}`,\r\n      href: anchorURL || `#${headingId}`,\r\n      target: anchorURL ? '_blank' : 'self',\r\n      'data-id': i\r\n    },\r\n    $icon\r\n  )\r\n  $heading.appendChild($anchor)\r\n}\r\n\r\nexport default _updateHeading\r\n","// HTML 合法的标签\r\nconst TAGS = [\r\n  'a',\r\n  'abbr',\r\n  'address',\r\n  'area',\r\n  'article',\r\n  'aside',\r\n  'audio',\r\n  'b',\r\n  'base',\r\n  'bdi',\r\n  'bdo',\r\n  'blockquote',\r\n  'body',\r\n  'br',\r\n  'button',\r\n  'canvas',\r\n  'caption',\r\n  'cite',\r\n  'code',\r\n  'col',\r\n  'colgroup',\r\n  'data',\r\n  'datalist',\r\n  'dd',\r\n  'del',\r\n  'details',\r\n  'dfn',\r\n  'dialog',\r\n  'div',\r\n  'dl',\r\n  'dt',\r\n  'em',\r\n  'embed',\r\n  'fieldset',\r\n  'figcaption',\r\n  'figure',\r\n  'footer',\r\n  'form',\r\n  'h1',\r\n  'h2',\r\n  'h3',\r\n  'h4',\r\n  'h5',\r\n  'h6',\r\n  'head',\r\n  'header',\r\n  'hgroup',\r\n  'hr',\r\n  'html',\r\n  'i',\r\n  'iframe',\r\n  'img',\r\n  'input',\r\n  'ins',\r\n  'kbd',\r\n  'label',\r\n  'legend',\r\n  'li',\r\n  'link',\r\n  'main',\r\n  'map',\r\n  'mark',\r\n  'math',\r\n  'menu',\r\n  'menuitem',\r\n  'meta',\r\n  'meter',\r\n  'nav',\r\n  'noscript',\r\n  'object',\r\n  'ol',\r\n  'optgroup',\r\n  'option',\r\n  'output',\r\n  'p',\r\n  'param',\r\n  'picture',\r\n  'pre',\r\n  'progress',\r\n  'q',\r\n  'rb',\r\n  'rp',\r\n  'rt',\r\n  'rtc',\r\n  'ruby',\r\n  's',\r\n  'samp',\r\n  'script',\r\n  'search',\r\n  'section',\r\n  'select',\r\n  'slot',\r\n  'small',\r\n  'source',\r\n  'span',\r\n  'strong',\r\n  'style',\r\n  'sub',\r\n  'summary',\r\n  'sup',\r\n  'svg',\r\n  'table',\r\n  'tbody',\r\n  'td',\r\n  'template',\r\n  'textarea',\r\n  'tfoot',\r\n  'th',\r\n  'thead',\r\n  'time',\r\n  'title',\r\n  'tr',\r\n  'track',\r\n  'u',\r\n  'ul',\r\n  'var',\r\n  'video',\r\n  'wbr'\r\n]\r\n\r\nexport default TAGS\r\n","import isString from './isString'\r\nimport trim from '../lang/trim'\r\nimport TAGS from './tags'\r\n\r\n/**\r\n * 检测测试数据是否为合法的 HTML 代码\r\n * ========================================================================\r\n * @method isHTML\r\n * @category Lang\r\n * @see https://github.com/sindresorhus/html-tags\r\n * @see https://github.com/sindresorhus/is-html\r\n * @param {String} str - 要检测的数据\r\n * @returns {Boolean} 'val' 为合法的 HTML 代码，返回 true，否则返回 false\r\n */\r\nconst isHTML = (str) => {\r\n  let html\r\n  let basic\r\n  let full\r\n\r\n  if (!isString(str)) {\r\n    return false\r\n  }\r\n\r\n  // 为了提高性能，我们将其限制在合理的长度内。\r\n  html = trim(str).slice(0, 1000)\r\n  basic = /\\s*<!doctype html>|<html\\b[^>]*>|<body\\b[^>]*>|<x-[^>]+>/i\r\n  full = new RegExp(TAGS.map((tag) => `<${tag}\\\\b[^>]*>`).join('|'), 'i')\r\n\r\n  return basic.test(html) || full.test(html)\r\n}\r\n\r\nexport default isHTML\r\n","/**\r\n * 移除字符串中的 JavaScript 代码\r\n * ====================================================\r\n * @param {String} str\r\n * @returns {String}\r\n */\r\nconst stripScripts = (str) => {\r\n  return str.replace(/<script[^>]*>.*?<\\/script>/gi, '')\r\n}\r\n\r\nexport default stripScripts\r\n","const setProperty = (prop, value) => {\r\n  const documentElement = document.documentElement\r\n  documentElement.style.setProperty(prop, value)\r\n}\r\n\r\nexport default setProperty\r\n","import setProperty from './utils/dom/setProperty'\r\n\r\nlet index = 2000\r\n\r\nconst zIndex = (idx) => {\r\n  if (idx) {\r\n    index = idx\r\n  } else {\r\n    index += 1\r\n  }\r\n\r\n  setProperty('--outline-zIndex', `${index}`)\r\n\r\n  return index\r\n}\r\n\r\nexport default zIndex\r\n","import Base from './base'\r\n\r\nimport later from './utils/lang/later'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isDOM from './utils/types/isDOM'\r\nimport isHTML from './utils/types/isHTML'\r\nimport addClass from './utils/dom/addClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport html from './utils/dom/html'\r\nimport createElement from './utils/dom/createElement'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\n\r\nimport paint from './utils/icons/paint'\r\nimport icon from './utils/icons/icon'\r\nimport zIndex from './zIndex'\r\n\r\nclass Drawer extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    this.zIndex = 0\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Drawer.DEFAULTS)\r\n    this.title = ''\r\n    this.closed = false\r\n\r\n    this.$el = null\r\n    this.$modal = null\r\n    this.$header = null\r\n    this.$title = null\r\n    this.$close = null\r\n    this.$main = null\r\n    this.$footer = null\r\n    this.$overlay = null\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n\r\n    this.attr(options)\r\n\r\n    this.title = this.attr('title')\r\n    created = this.attr('created')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n    return this\r\n  }\r\n\r\n  setTitle(title) {\r\n    this.attr('title', title)\r\n    this.title = title\r\n    this.$title.innerHTML = title\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const size = this.attr('size')\r\n    const placement = this.attr('placement')\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const hasOffset = this.attr('hasOffset')\r\n    const hasPadding = this.attr('hasPadding')\r\n    const autoHeight = this.attr('autoHeight')\r\n    const customClass = this.attr('customClass')\r\n    let $el\r\n    let $modal\r\n    let $header\r\n    let $title\r\n    let $close\r\n    let $main\r\n    let $footer\r\n    let $overlay\r\n\r\n    paint()\r\n    this.zIndex = zIndex()\r\n\r\n    $title = createElement(\r\n      'h2',\r\n      {\r\n        className: 'outline-drawer__title'\r\n      },\r\n      this.title\r\n    )\r\n    this.$title = $title\r\n\r\n    if (hasClose) {\r\n      $close = createElement(\r\n        'div',\r\n        {\r\n          className: 'outline-drawer__close'\r\n        },\r\n        icon('close', { iconSet: 'outline', size: 20 })\r\n      )\r\n      this.$close = $close\r\n    }\r\n\r\n    $header = createElement(\r\n      'header',\r\n      {\r\n        className: 'outline-drawer__header'\r\n      },\r\n      [$title, $close]\r\n    )\r\n    this.$header = $header\r\n\r\n    $main = createElement('div', {\r\n      className: 'outline-drawer__main'\r\n    })\r\n    this.$main = $main\r\n\r\n    if (!hasPadding) {\r\n      addClass($main, 'outline-drawer_full')\r\n    }\r\n\r\n    $footer = createElement('footer', {\r\n      className: 'outline-drawer__footer'\r\n    })\r\n    this.$footer = $footer\r\n\r\n    $modal = createElement(\r\n      'div',\r\n      {\r\n        className: `outline-drawer__modal outline-drawer_${placement} outline-drawer_${size} outline-drawer_closed`\r\n      },\r\n      [$header, $main, $footer]\r\n    )\r\n    this.$modal = $modal\r\n\r\n    if (hasOffset) {\r\n      addClass($modal, 'outline-drawer_offset')\r\n    }\r\n\r\n    if (autoHeight) {\r\n      addClass($modal, 'outline-drawer_auto')\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($modal, customClass)\r\n    }\r\n\r\n    if (hasOverlay) {\r\n      $overlay = createElement('div', {\r\n        className: 'outline-drawer__overlay'\r\n      })\r\n      this.$overlay = $overlay\r\n    }\r\n\r\n    $el = createElement(\r\n      'div',\r\n      {\r\n        className: `outline-drawer`\r\n      },\r\n      [$modal, $overlay]\r\n    )\r\n    this.$el = $el\r\n    document.body.appendChild($el)\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$main.innerHTML = ''\r\n    return this\r\n  }\r\n\r\n  _paint(content) {\r\n    let $content = null\r\n\r\n    if (isFunction(content)) {\r\n      $content = content()\r\n    } else if (isDOM(content)) {\r\n      $content = content\r\n    } else if (isHTML(content)) {\r\n      $content = html(content)\r\n    }\r\n\r\n    if ($content) {\r\n      this.$main.appendChild($content)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    document.body.removeChild(this.$el)\r\n    return this\r\n  }\r\n\r\n  refresh(content) {\r\n    this.erase()._paint(content)\r\n    return this\r\n  }\r\n\r\n  open() {\r\n    const opened = this.attr('afterOpened')\r\n    const $modal = this.$modal\r\n\r\n    addClass(this.$el, 'outline-drawer_opened')\r\n    removeClass($modal, 'outline-drawer_closed')\r\n    addClass($modal, 'outline-drawer_opened')\r\n\r\n    later(() => {\r\n      this.closed = false\r\n\r\n      if (isFunction(opened)) {\r\n        opened.call(this)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  close() {\r\n    const closed = this.attr('afterClosed')\r\n    const $modal = this.$modal\r\n\r\n    removeClass($modal, 'outline-drawer_opened')\r\n    addClass($modal, 'outline-drawer_closed')\r\n\r\n    later(() => {\r\n      removeClass(this.$el, 'outline-drawer_opened')\r\n      this.closed = true\r\n\r\n      if (isFunction(closed)) {\r\n        closed.call(this)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const closed = this.isClosed()\r\n\r\n    if (closed) {\r\n      this.open()\r\n    } else {\r\n      this.close()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        afterToggle.call(this, closed)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const afterDestroy = this.attr('afterDestroy')\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    let index = this.zIndex\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    index -= 1\r\n    zIndex(index)\r\n    this.zIndex = 0\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onClose() {\r\n    this.close()\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const closeOnClickModal = this.attr('closeOnClickModal')\r\n    const $el = this.$el\r\n\r\n    if (hasClose) {\r\n      on($el, '.outline-drawer__close', 'click', this.onClose, this, true)\r\n    }\r\n\r\n    if (hasOverlay && closeOnClickModal) {\r\n      on($el, '.outline-drawer__overlay', 'click', this.onClose, this, true)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const $el = this.$el\r\n\r\n    if (!hasClose && !hasOverlay) {\r\n      return this\r\n    }\r\n\r\n    off($el, 'click', this.onClose)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nDrawer.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    placement: 'rtl',\r\n    title: '标题',\r\n    size: 'regular',\r\n    hasClose: true,\r\n    hasOverlay: true,\r\n    hasOffset: false,\r\n    hasPadding: true,\r\n    autoHeight: true,\r\n    closeOnClickModal: true,\r\n    created: null,\r\n    mounted: null,\r\n    afterClosed: null,\r\n    afterOpened: null,\r\n    afterScroll: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null,\r\n    afterToggle: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Drawer\r\n","import isHTML from '../types/isHTML'\r\nimport isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport stripScripts from '../lang/stripScripts'\r\nimport createElement from './createElement'\r\n\r\n/**\r\n * 获取或者设置 DOM 元素的 innerHTML 属性值，或者通过 HTML 字符串，创建 DOM 元素\r\n * ========================================================================\r\n * @method html\r\n * @param {HTMLElement|String} el\r\n * @param {String} [strHTML]\r\n * @return {DocumentFragment|null|*}\r\n */\r\nconst html = (el, strHTML) => {\r\n  const $fragment = document.createDocumentFragment()\r\n\r\n  if (!el || (!isHTML(el) && !isString(el) && !isElement(el))) {\r\n    return null\r\n  }\r\n\r\n  if (isHTML(el)) {\r\n    const template = createElement('div')\r\n    let children = []\r\n\r\n    template.innerHTML = stripScripts(el)\r\n    children = [...template.childNodes]\r\n    children.forEach((child) => {\r\n      $fragment.appendChild(child)\r\n    })\r\n\r\n    return $fragment\r\n  } else if (isString(strHTML)) {\r\n    el.innerHTML = stripScripts(strHTML)\r\n  } else {\r\n    return el.innerHTML\r\n  }\r\n}\r\n\r\nexport default html\r\n","import isFunction from '../types/isFunction'\r\nimport off from './off'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定事件\r\n * ========================================================================\r\n * @method at\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （必须） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst at = (el, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n  const listener = function (evt) {\r\n    let overrideContext = context || el\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    // 仅触发一次\r\n    /* istanbul ignore else */\r\n    if (once === true) {\r\n      off(el, type, listener)\r\n    }\r\n\r\n    fn.call(overrideContext, evt, data)\r\n  }\r\n\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default at\r\n","/**\r\n * 获取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 isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport later from './utils/lang/later'\r\nimport at from './utils/event/at'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport createElement from './utils/dom/createElement'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport addClass from './utils/dom/addClass'\r\nimport intersection from './utils/dom/intersection'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport getStyle from './utils/dom/getStyle'\r\nimport setProperty from './utils/dom/setProperty'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\n\r\nimport _paintChapters from './_paintChapters'\r\nimport inBounding from './utils/dom/inBounding'\r\n\r\nimport Base from './base'\r\n\r\nclass Navigator extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    this.scrollTimer = null\r\n    this.resizeTimer = null\r\n    this.observerTimer = null\r\n    this.Observer = null\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Navigator.DEFAULTS)\r\n\r\n    this.$el = null\r\n    this.$title = null\r\n    this.$main = null\r\n    this.$list = null\r\n    this.$placeholder = null\r\n    this.$parentElement = null\r\n    this.$scrollElement = null\r\n    this.$active = null\r\n\r\n    this.chapters = []\r\n    this.active = 0\r\n    this.offsetWidth = 0\r\n    this.offsetTop = 0\r\n    this.playing = false\r\n    this.closed = false\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let parentElement\r\n    let scrollElement\r\n    let $parent\r\n\r\n    this.attr(options)\r\n\r\n    created = this.attr('created')\r\n    parentElement = this.attr('parentElement')\r\n    scrollElement = this.attr('scrollElement')\r\n\r\n    if (isString(parentElement)) {\r\n      $parent = document.querySelector(parentElement)\r\n    } else if (isElement(parentElement)) {\r\n      $parent = parentElement\r\n    }\r\n    this.$parentElement = $parent\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n\r\n    this.chapters = this.attr('chapters')\r\n    this.closed = this.attr('closed')\r\n    this.active = this.attr('active')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    if (this.chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    this.$active = document.querySelector(`#chapter-${this.active}`)\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  isSticky() {\r\n    const position = this.attr('position')\r\n    return position === 'sticky'\r\n  }\r\n\r\n  isFixed() {\r\n    const position = this.attr('position')\r\n    return position === 'fixed'\r\n  }\r\n\r\n  isInside() {\r\n    return this.isFixed() || this.isSticky()\r\n  }\r\n\r\n  isOutside() {\r\n    return !this.isInside()\r\n  }\r\n\r\n  count() {\r\n    return this.chapters.length\r\n  }\r\n\r\n  _paintEdge() {\r\n    const $fragment = document.createDocumentFragment()\r\n    const STICKY = 'outline-navigator_sticky'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const title = this.attr('title')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const customClass = this.attr('customClass')\r\n    const $parentElement = this.$parentElement\r\n    const children = []\r\n    const contents = []\r\n    let $title = null\r\n    let $el\r\n    let $main\r\n    let $list\r\n    let $placeholder\r\n\r\n    if (!$parentElement) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside() && title) {\r\n      $title = createElement(\r\n        'h2',\r\n        {\r\n          className: 'outline-navigator__title'\r\n        },\r\n        title\r\n      )\r\n      this.$title = $title\r\n      contents.push($title)\r\n    }\r\n\r\n    $list = createElement('ul', {\r\n      // 为优化性能，添加了 _fixed 和 _hidden\r\n      // fixed 为了让 $list 脱离流布局\r\n      // hidden 让 $list 不可见\r\n      className: `outline-navigator__list`\r\n    })\r\n    this.$list = $list\r\n    children.push($list)\r\n\r\n    if (animationCurrent) {\r\n      $placeholder = createElement('div', {\r\n        className: 'outline-navigator__placeholder'\r\n      })\r\n      this.$placeholder = $placeholder\r\n      children.push($placeholder)\r\n    }\r\n\r\n    $main = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-navigator__main'\r\n      },\r\n      children\r\n    )\r\n    this.$main = $main\r\n    contents.push($main)\r\n\r\n    $el = createElement(\r\n      'nav',\r\n      {\r\n        id: 'outline-navigator',\r\n        className: `outline-navigator ${HIDDEN}`\r\n      },\r\n      contents\r\n    )\r\n    this.$el = $el\r\n\r\n    if (this.isSticky()) {\r\n      this.calculateStickyHeight()\r\n      addClass($el, STICKY)\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($el, customClass)\r\n    }\r\n    $fragment.appendChild($el)\r\n    $parentElement.appendChild($fragment)\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const $parentElement = this.$parentElement\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n    let $el\r\n\r\n    if (!$parentElement || chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside()) {\r\n      addClass($parentElement, 'outline-navigator-parent')\r\n    }\r\n\r\n    this._paintEdge()\r\n    $el = this.$el\r\n\r\n    this._paint(chapters)\r\n\r\n    later(() => {\r\n      this.highlight(this.active)\r\n    }, 60)\r\n\r\n    this.offsetTop = offsetTop($el)\r\n    this.offsetWidth = $el.offsetWidth\r\n\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      setProperty('--outline-navigator-width', `${this.offsetWidth}px`)\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    if (count < 400) {\r\n      this.onObserver()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$list.innerHTML = ''\r\n\r\n    return this\r\n  }\r\n\r\n  _paint(chapters) {\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const showCode = this.attr('showCode')\r\n    const $el = this.$el\r\n    const $list = this.$list\r\n\r\n    _paintChapters($list, chapters, showCode)\r\n    removeClass($el, HIDDEN)\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    this.$parentElement.removeChild(this.$el)\r\n    return this\r\n  }\r\n\r\n  refresh(chapters) {\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const $el = this.$el\r\n\r\n    removeClass($el, HIDDEN)\r\n    this.erase()._paint(chapters)\r\n\r\n    return this\r\n  }\r\n\r\n  _getPlaceholderOffset(index) {\r\n    const $main = this.$main\r\n    const $list = this.$list\r\n    const $anchor = $list.querySelector('.outline-navigator__anchor')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const mainPaddingTop = parseInt(getStyle($main, 'padding-top'), 10)\r\n    const mainBorderTop = parseInt(getStyle($main, 'border-top-width'), 10)\r\n    const placeholderPaddingTop = parseInt(getStyle($list, 'padding-top'), 10)\r\n    const placeholderMarginTop = parseInt(getStyle($list, 'margin-top'), 10)\r\n    const placeholderBorderTop = parseInt(\r\n      getStyle($list, 'border-top-width'),\r\n      10\r\n    )\r\n    let height = $anchor.offsetHeight\r\n    let offsetTop = 0\r\n    let top\r\n\r\n    if (!animationCurrent) {\r\n      return this\r\n    }\r\n\r\n    if (mainPaddingTop) {\r\n      offsetTop += mainPaddingTop\r\n    }\r\n\r\n    if (placeholderPaddingTop) {\r\n      offsetTop += placeholderPaddingTop\r\n    }\r\n\r\n    if (placeholderMarginTop) {\r\n      offsetTop += placeholderMarginTop\r\n    }\r\n\r\n    if (mainBorderTop) {\r\n      offsetTop += mainBorderTop\r\n    }\r\n\r\n    if (placeholderBorderTop) {\r\n      offsetTop += placeholderBorderTop\r\n    }\r\n\r\n    top = height * index\r\n\r\n    return offsetTop + top\r\n  }\r\n\r\n  positionPlaceholder(index) {\r\n    const $list = this.$list\r\n    const $placeholder = this.$placeholder\r\n    const $anchor = $list.querySelector('.outline-navigator__anchor')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const height = $anchor.offsetHeight\r\n    let offsetTop = 0\r\n\r\n    if (!animationCurrent) {\r\n      return this\r\n    }\r\n\r\n    offsetTop = this._getPlaceholderOffset(index)\r\n\r\n    $placeholder.style.cssText = `transform: translateY(${offsetTop}px);height:${height}px;`\r\n\r\n    return this\r\n  }\r\n\r\n  highlight(id) {\r\n    const $el = this.$el\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const ACTIVE = 'outline-navigator_active'\r\n    const HIGHLIGHT = 'outline-navigator_highlight'\r\n    let $anchor = null\r\n    let placeholderOffsetTop = 0\r\n\r\n    if (!$el) {\r\n      return this\r\n    }\r\n\r\n    $anchor = $el.querySelector(`#chapter__anchor-${id}`)\r\n\r\n    if (!$anchor) {\r\n      return this\r\n    }\r\n\r\n    this.active = parseInt($anchor.getAttribute('data-id'), 10)\r\n\r\n    if (this.$active) {\r\n      removeClass(this.$active, HIGHLIGHT)\r\n      removeClass(this.$active, ACTIVE)\r\n    }\r\n\r\n    this.$active = $anchor\r\n    addClass(this.$active, ACTIVE)\r\n\r\n    if (animationCurrent) {\r\n      this.positionPlaceholder(this.active)\r\n    } else {\r\n      addClass(this.$active, HIGHLIGHT)\r\n    }\r\n\r\n    later(() => {\r\n      if (!inBounding(this.$active, this.$main)) {\r\n        placeholderOffsetTop = this._getPlaceholderOffset(this.active)\r\n        scrollTo(this.$main, placeholderOffsetTop)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  sticky() {\r\n    const afterSticky = this.attr('afterSticky')\r\n    const FIXED = 'outline-navigator_fixed'\r\n    const $el = this.$el\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (!this.isFixed()) {\r\n      return this\r\n    }\r\n\r\n    isStickying = scrollTop >= top\r\n\r\n    if (isStickying) {\r\n      addClass($el, FIXED)\r\n    } else {\r\n      removeClass($el, FIXED)\r\n    }\r\n\r\n    if (isFunction(afterSticky)) {\r\n      afterSticky.call(this, this.isClosed(), isStickying)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  calculateStickyHeight() {\r\n    const documentElement = document.documentElement\r\n    const height = Math.max(\r\n      documentElement.clientHeight || 0,\r\n      window.innerHeight || 0\r\n    )\r\n    setProperty('--outline-sticky-height', `${height}px`)\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  show() {\r\n    const FOLDED = 'outline-navigator_folded'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const opened = this.attr('afterOpened')\r\n    const count = this.count()\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      if (count > 800) {\r\n        removeClass($parent, HIDDEN)\r\n      } else {\r\n        removeClass($parent, HIDDEN)\r\n        later(() => {\r\n          removeClass($parent, FOLDED)\r\n        }, 30)\r\n      }\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n    }\r\n    this.closed = false\r\n\r\n    if (isFunction(opened)) {\r\n      opened.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide() {\r\n    const FOLDED = 'outline-navigator_folded'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const closed = this.attr('afterClosed')\r\n    const count = this.count()\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      if (count > 800) {\r\n        addClass($parent, HIDDEN)\r\n      } else {\r\n        addClass($parent, FOLDED)\r\n        later(() => {\r\n          addClass($parent, HIDDEN)\r\n        })\r\n      }\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n    }\r\n    this.closed = true\r\n\r\n    if (isFunction(closed)) {\r\n      closed.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (this.isClosed()) {\r\n      this.show()\r\n    } else {\r\n      this.hide()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        isStickying = scrollTop >= top\r\n        afterToggle.call(this, this.isClosed(), isStickying)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n      this.scrollTimer = null\r\n    }\r\n\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n      this.resizeTimer = null\r\n    }\r\n\r\n    if (this.observerTimer) {\r\n      clearTimeout(this.observerTimer)\r\n      this.observerTimer = null\r\n    }\r\n\r\n    if (this.Observer) {\r\n      this.Observer = null\r\n    }\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onObserver() {\r\n    const selector = this.attr('selector')\r\n\r\n    this.Observer = intersection(\r\n      ($heading) => {\r\n        const id = $heading.getAttribute('data-id')\r\n\r\n        if (this.playing) {\r\n          return false\r\n        }\r\n\r\n        if (this.observerTimer) {\r\n          clearTimeout(this.observerTimer)\r\n        }\r\n\r\n        this.observerTimer = later(() => {\r\n          this.highlight(id)\r\n        }, 100)\r\n      },\r\n      {\r\n        selector,\r\n        context: this\r\n      }\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  onSelect(evt) {\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const id = $anchor.getAttribute('data-id')\r\n    const headingId = $anchor.href.split('#')[1]\r\n    const $heading = document.querySelector(`#${headingId}`)\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const min = 0\r\n    const max = this.$scrollElement.scrollHeight\r\n    const afterScroll = this.attr('afterScroll')\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this, 'chapter')\r\n      }\r\n\r\n      later(() => {\r\n        this.playing = false\r\n        this.$emit('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.playing = true\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      later(() => {\r\n        this.scrollTo(top, after)\r\n        this.highlight(id)\r\n      }, 10)\r\n    } else {\r\n      this.scrollTo(top, after)\r\n      this.highlight(id)\r\n    }\r\n\r\n    stop(evt)\r\n\r\n    return this\r\n  }\r\n\r\n  onScroll() {\r\n    const $scrollElement = this.$scrollElement\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n    }\r\n\r\n    this.scrollTimer = later(() => {\r\n      const top = $scrollElement.scrollTop\r\n      const min = 0\r\n      const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n\r\n      if (this.isFixed()) {\r\n        this.sticky()\r\n      }\r\n\r\n      this.$emit('toolbar:update', {\r\n        top,\r\n        min,\r\n        max\r\n      })\r\n    }, 100)\r\n\r\n    return this\r\n  }\r\n\r\n  onResize() {\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n    }\r\n\r\n    this.resizeTimer = later(() => {\r\n      this.calculateStickyHeight()\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    on($el, '.outline-navigator__anchor', 'click', this.onSelect, this, true)\r\n    at($element, 'scroll', this.onScroll, this, true)\r\n    if (this.isSticky()) {\r\n      at(window, 'resize', this.onResize, this, true)\r\n    }\r\n    this.$on('anchors:all:paint', this.onObserver, this)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const selector = this.attr('selector')\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    off($el, 'click', this.onSelect)\r\n    off($element, 'scroll', this.onScroll)\r\n    if (this.isSticky()) {\r\n      off(window, 'resize', this.onResize)\r\n    }\r\n    this.$off('anchors:all:paint')\r\n\r\n    if (this.Observer) {\r\n      document.querySelectorAll(selector).forEach((section) => {\r\n        this.Observer.unobserve(section)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nNavigator.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    parentElement: '',\r\n    scrollElement: '',\r\n    selector: '.outline-heading',\r\n    active: 0,\r\n    closed: false,\r\n    showCode: true,\r\n    animationCurrent: true,\r\n    position: 'relative',\r\n    stickyHeight: 0,\r\n    chapters: [],\r\n    created: null,\r\n    mounted: null,\r\n    afterClosed: null,\r\n    afterOpened: null,\r\n    afterScroll: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null,\r\n    afterSticky: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Navigator\r\n","import createElement from './utils/dom/createElement'\r\nimport timeSlice from './utils/lang/timeSlice'\r\n\r\nconst _paintChapters = ($list, chapters, showCode = false) => {\r\n  const LIMIT = 400\r\n  const count = chapters.length\r\n  const clones = [...chapters]\r\n  const paint = (parts) => {\r\n    const byId = (id) => $list.querySelector(`#${id}`)\r\n    parts.forEach((chapter) => {\r\n      const pid = chapter.pid\r\n      const id = chapter.id\r\n      const code = chapter.code\r\n      const rel = chapter.rel\r\n      const children = []\r\n      const $text = createElement(\r\n        'span',\r\n        {\r\n          className: 'outline-navigator__text'\r\n        },\r\n        chapter.text\r\n      )\r\n      let $link\r\n      let $code\r\n      let $li\r\n      let $subject\r\n      let $chapter\r\n\r\n      if (showCode) {\r\n        $code = createElement(\r\n          'span',\r\n          {\r\n            className: 'outline-navigator__code',\r\n            'data-id': id\r\n          },\r\n          chapter.code\r\n        )\r\n\r\n        children.push($code)\r\n      }\r\n\r\n      children.push($text)\r\n\r\n      $link = createElement(\r\n        'a',\r\n        {\r\n          id: `chapter__anchor-${id}`,\r\n          className: 'outline-navigator__anchor',\r\n          href: '#' + rel,\r\n          rel: rel,\r\n          'data-id': id,\r\n          'data-code': code\r\n        },\r\n        children\r\n      )\r\n\r\n      $li = createElement(\r\n        'li',\r\n        {\r\n          id: `chapter-${id}`,\r\n          className: 'outline-navigator__item',\r\n          'data-id': id,\r\n          'data-code': code\r\n        },\r\n        $link\r\n      )\r\n\r\n      if (pid === -1) {\r\n        $list.appendChild($li)\r\n      } else {\r\n        $chapter = byId(`chapter-${pid}`)\r\n        $subject = byId(`subject-${pid}`)\r\n\r\n        if (!$subject) {\r\n          $subject = createElement(\r\n            'ul',\r\n            {\r\n              id: 'subject-' + pid,\r\n              className: 'outline-navigator__subject'\r\n            },\r\n            $li\r\n          )\r\n\r\n          $chapter.appendChild($subject)\r\n        } else {\r\n          $subject.appendChild($li)\r\n        }\r\n      }\r\n    })\r\n  }\r\n\r\n  if (count > LIMIT) {\r\n    // 同步绘制\r\n    paint(clones.splice(0, LIMIT))\r\n    // 剩余的采用 timeSlice 机制绘制\r\n    while (clones.length > 0) {\r\n      const once = clones.splice(0, LIMIT)\r\n      timeSlice(() => {\r\n        paint(once)\r\n      })\r\n    }\r\n  } else {\r\n    paint(clones)\r\n  }\r\n}\r\n\r\nexport default _paintChapters\r\n","import isElement from '../types/isElement'\r\n\r\n/**\r\n * 检测某个 DOM 节点的位置是否在另个一个 DOM 节点范围内\r\n * ========================================================================\r\n * @method inBounding\r\n * @param {HTMLElement} child\r\n * @param {HTMLElement} parent\r\n * @return {Boolean}\r\n */\r\nconst inBounding = (child, parent) => {\r\n  let parentRect\r\n  let childRect\r\n\r\n  if (!isElement(child) || !isElement(parent)) {\r\n    return false\r\n  }\r\n\r\n  parentRect = parent.getBoundingClientRect()\r\n  childRect = child.getBoundingClientRect()\r\n\r\n  return (\r\n    childRect.top >= parentRect.top &&\r\n    childRect.right <= parentRect.right &&\r\n    childRect.bottom <= parentRect.bottom &&\r\n    childRect.left >= parentRect.left\r\n  )\r\n}\r\n\r\nexport default inBounding\r\n","import isFunction from '../types/isFunction'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通用的 IntersectionObserver 观察者处理器\r\n * ========================================================================\r\n * @method intersection\r\n * @param {Function} fn\r\n * @param {Object} [props]\r\n * @param {Object|HTMLElement} [props.root]\r\n * @param {String} [props.selector]\r\n * @param {Object} [props.context]\r\n * @param {String} [props.attr]\r\n * @param {String} [props.rootMargin]\r\n */\r\nconst intersection = (fn, props = {}) => {\r\n  const root = props.root || null\r\n  const selector = props.selector || '.outline-heading'\r\n  const context = props.context || null\r\n  const rootMargin = props.rootMargin || '0px 0px -90% 0px'\r\n  const options = {\r\n    rootMargin: rootMargin\r\n  }\r\n  // eslint-disable-next-line compat/compat\r\n  const Observer = new IntersectionObserver((entries) => {\r\n    entries.forEach((entry) => {\r\n      if (entry.intersectionRatio > 0) {\r\n        if (isFunction(fn)) {\r\n          fn.call(context || entry.target, entry.target)\r\n        }\r\n      }\r\n    })\r\n  }, options)\r\n  const $root = isElement(root) ? root : document\r\n\r\n  if (root) {\r\n    options.root = root\r\n  }\r\n\r\n  $root.querySelectorAll(selector).forEach((section) => {\r\n    Observer.observe(section)\r\n  })\r\n\r\n  return Observer\r\n}\r\n\r\nexport default intersection\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测测试数据是否为类似 Object 类型\r\n * ========================================================================\r\n * @method isObjectLike\r\n * @param {Object} val - 要检测的数据\r\n * @returns {Boolean} 'val' 是类似 Object 类型，返回 true，否则返回 false\r\n */\r\nconst isObjectLike = (val) => {\r\n  return isObject(val) && val !== null\r\n}\r\n\r\nexport default isObjectLike\r\n","import isObjectLike from './isObjectLike'\r\n\r\n/**\r\n * 检测测试数据是否为普通对象\r\n * ========================================================================\r\n * @method isPlainObject\r\n * @param {Object} val - 要检测的数据\r\n * @returns {Boolean} 'val' 是普通对象，返回 true，否则返回 false\r\n */\r\nconst isPlainObject = (val) => {\r\n  const getPrototypeOf = Object.getPrototypeOf\r\n  let proto\r\n\r\n  // Detect obvious negatives\r\n  if (!isObjectLike(val)) {\r\n    return false\r\n  }\r\n\r\n  proto = val.prototype\r\n\r\n  // JavaScript 对象分为两种：普通对象和函数对象\r\n  // 普通对象：原型是 __proto__，没有 prototype 原型（属性）\r\n  // 函数对象：原型是 prototype ，prototype 只存在于函数对象上\r\n  if (!proto) {\r\n    return true\r\n  }\r\n\r\n  proto = val\r\n\r\n  while (getPrototypeOf(proto) !== null) {\r\n    proto = getPrototypeOf(proto)\r\n  }\r\n\r\n  return getPrototypeOf(val) === proto\r\n}\r\n\r\nexport default isPlainObject\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    '&': '&amp;',\r\n    '<': '&lt;',\r\n    '>': '&gt;',\r\n    \"'\": '&#39;',\r\n    '\"': '&quot;'\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\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\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    return this\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\r\n    document.body.removeChild(this.$el)\r\n\r\n    clearTimeout(this.timer)\r\n    this._default()\r\n\r\n    this.$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($el, 'click', this.onClose)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nMessage.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    id: '',\r\n    type: 'info',\r\n    effect: 'default',\r\n    round: false,\r\n    offset: 30,\r\n    duration: 3,\r\n    delay: 2,\r\n    message: '',\r\n    customClass: '',\r\n    closable: true,\r\n    visible: true,\r\n    dangerouslyUseHTMLString: false,\r\n    destroyAfterClosed: true,\r\n    beforeClose: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nTYPES.forEach((type) => {\r\n  Message[type] = (options) => {\r\n    const config = {}\r\n    const id = guid(`outline-message-`)\r\n    const beforeClose = options.beforeClose || null\r\n    let offset = options.offset || 30\r\n\r\n    if (isString(options)) {\r\n      config.message = options\r\n    } else {\r\n      if (isPlainObject(options)) {\r\n        extend(config, options)\r\n      }\r\n    }\r\n    config.id = id\r\n    config.type = type\r\n    config.offset = offset\r\n    config.visible = false\r\n    config.beforeClose = () => {\r\n      Message.close(id, beforeClose)\r\n    }\r\n\r\n    instance = new Message(config)\r\n    instances.forEach((item) => {\r\n      offset += item.$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 isFunction from './utils/types/isFunction'\r\n\r\nclass Command {\r\n  constructor(name, action) {\r\n    this.name = name\r\n\r\n    if (isFunction(action)) {\r\n      this.action = action\r\n    }\r\n  }\r\n\r\n  execute() {\r\n    this.action()\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nexport default Command\r\n","import isFunction from './utils/types/isFunction'\r\n\r\nclass Commands {\r\n  constructor() {\r\n    this.commands = []\r\n  }\r\n\r\n  get(name) {\r\n    return this.commands.find((cmd) => cmd.name === name)\r\n  }\r\n\r\n  add(command) {\r\n    this.commands.push(command)\r\n\r\n    return this\r\n  }\r\n\r\n  del(name) {\r\n    const commands = this.commands\r\n    const command = commands.find((cmd) => cmd.name === name)\r\n    const index = command ? commands.indexOf(command) : -1\r\n\r\n    if (index > -1) {\r\n      commands.splice(index, 1)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  clear() {\r\n    this.commands = []\r\n\r\n    return this\r\n  }\r\n\r\n  execute(name) {\r\n    const command = this.commands.find((cmd) => cmd.name === name)\r\n\r\n    if (isFunction(command?.execute)) {\r\n      command.execute()\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nexport default Commands\r\n","import icon from './utils/icons/icon'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\n\r\nconst _createButton = (button, rounded = true) => {\r\n  const $icon = icon(button.icon, {\r\n    iconSet: button.iconSet || 'outline',\r\n    color: button.color || '',\r\n    size: button.size\r\n  })\r\n  const $anchor = createElement(\r\n    'a',\r\n    {\r\n      className: `outline-toolbar__anchor`,\r\n      href: button.link\r\n    },\r\n    $icon\r\n  )\r\n  const $button = createElement(\r\n    'div',\r\n    {\r\n      className: `outline-toolbar__button ${button.name}`,\r\n      'data-cmd': button.name\r\n    },\r\n    [button.link ? $anchor : $icon]\r\n  )\r\n\r\n  addClass($icon, 'outline-toolbar__icon')\r\n\r\n  if (rounded) {\r\n    addClass($button, 'outline-toolbar_rounded')\r\n  }\r\n\r\n  if (button.disabled) {\r\n    addClass($button, 'outline-toolbar_disabled')\r\n  }\r\n\r\n  return $button\r\n}\r\n\r\nexport default _createButton\r\n","import isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isObject from './utils/types/isObject'\r\nimport isArray from './utils/types/isArray'\r\nimport later from './utils/lang/later'\r\nimport guid from './utils/lang/guid'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport hasClass from './utils/dom/hasClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport paint from './utils/icons/paint'\r\n\r\nimport Base from './base'\r\nimport Command from './command'\r\nimport Commands from './commands'\r\n\r\nimport _createButton from './_createButton'\r\n\r\nconst DISABLED = 'outline-toolbar_disabled'\r\nconst HIDDEN = 'outline-toolbar_hidden'\r\n\r\nclass Toolbar extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Toolbar.DEFAULTS)\r\n\r\n    this.disabled = false\r\n    this.closed = false\r\n\r\n    this.$el = null\r\n    this.buttons = []\r\n    this.commands = null\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n\r\n    this.attr(options)\r\n\r\n    this.disabled = this.attr('disabled')\r\n    this.closed = this.attr('closed')\r\n    this.commands = new Commands()\r\n\r\n    created = this.attr('created')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  isDisabled(name) {\r\n    let button\r\n\r\n    if (name) {\r\n      button = this.get(name)\r\n\r\n      return button.disabled\r\n    }\r\n\r\n    return this.disabled\r\n  }\r\n\r\n  isExist(name) {\r\n    const button = this.get(name)\r\n    return !!button\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  _getCommand(button) {\r\n    const _self = this\r\n    const { action, name } = button\r\n    let command = null\r\n    let handler = null\r\n    let context\r\n    let listener\r\n\r\n    if (!action) {\r\n      return command\r\n    }\r\n\r\n    handler = action.handler\r\n    context = action.context || this\r\n\r\n    if (isFunction(handler)) {\r\n      listener = handler\r\n    } else if (isString(handler)) {\r\n      listener = function () {\r\n        _self.$emit(handler, name)\r\n      }\r\n    }\r\n\r\n    if (isFunction(listener)) {\r\n      command = new Command(name, listener.bind(context))\r\n    }\r\n\r\n    return command\r\n  }\r\n\r\n  get(name) {\r\n    return this.buttons.find((button) => button.name === name)\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const buttons = this.attr('buttons') || []\r\n    const placement = this.attr('placement')\r\n\r\n    paint()\r\n\r\n    this.$el = createElement('div', {\r\n      id: guid('outline-toolbar'),\r\n      className: `outline-toolbar outline-toolbar_${placement}`\r\n    })\r\n    this._paint(buttons)\r\n    document.body.appendChild(this.$el)\r\n\r\n    if (this.closed) {\r\n      this.hide()\r\n    }\r\n\r\n    if (this.disabled) {\r\n      this.disable()\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$el.innerHTML = ''\r\n    return this\r\n  }\r\n\r\n  _paint(buttons) {\r\n    const rounded = this.attr('rounded')\r\n    const $fragment = document.createDocumentFragment()\r\n\r\n    buttons.forEach((button) => {\r\n      const $button = _createButton(button, rounded)\r\n      const command = this._getCommand(button)\r\n      const { name, disabled, context } = button\r\n\r\n      $fragment.appendChild($button)\r\n\r\n      if (!this.isExist(name)) {\r\n        this.buttons.push({\r\n          $el: $button,\r\n          name,\r\n          disabled: disabled || false,\r\n          context: context || this\r\n        })\r\n\r\n        if (command) {\r\n          this.commands.add(command)\r\n        }\r\n      }\r\n    })\r\n\r\n    this.$el.appendChild($fragment)\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    document.body.removeChild(this.$el)\r\n    return this\r\n  }\r\n\r\n  refresh(buttons) {\r\n    this.attr({ buttons })\r\n    this.erase()._paint(buttons)\r\n    return this\r\n  }\r\n\r\n  add(button) {\r\n    const $el = this.$el\r\n    const $fragment = document.createDocumentFragment()\r\n    const buttons = this.attr('buttons') || []\r\n    const { name, disabled, context } = button\r\n    const command = this._getCommand(button)\r\n    const _add = (button) => {\r\n      const $button = _createButton(button)\r\n\r\n      $fragment.appendChild($button)\r\n\r\n      buttons.push(button)\r\n      this.buttons.push({\r\n        $el: $button,\r\n        name,\r\n        disabled: disabled || false,\r\n        context: context || this,\r\n        command\r\n      })\r\n\r\n      if (command) {\r\n        this.commands.add(command)\r\n      }\r\n    }\r\n\r\n    if (isObject(button)) {\r\n      _add(button)\r\n    } else if (isArray(button)) {\r\n      button.forEach((item) => {\r\n        if (isObject(item)) {\r\n          _add(item)\r\n        }\r\n      })\r\n    }\r\n    $el.appendChild($fragment)\r\n\r\n    return this\r\n  }\r\n\r\n  remove(name) {\r\n    const $el = this.$el\r\n    const buttons = this.buttons\r\n    const button = this.get(name)\r\n    let index = -1\r\n\r\n    if (!button) {\r\n      return this\r\n    }\r\n\r\n    index = buttons.indexOf(button)\r\n\r\n    if (index > -1) {\r\n      buttons.splice(index, 1)\r\n      this.attrs('buttons').splice(index, 1)\r\n    }\r\n\r\n    this._disable(name)\r\n    $el.removeChild(button.$el)\r\n\r\n    return this\r\n  }\r\n\r\n  _disable(name) {\r\n    const button = this.get(name)\r\n    const command = this.commands.get(name)\r\n\r\n    if (!button || button.disabled) {\r\n      return this\r\n    }\r\n\r\n    button.disabled = true\r\n\r\n    if (command) {\r\n      this.commands.del(command)\r\n    }\r\n\r\n    addClass(button.$el, DISABLED)\r\n\r\n    return this\r\n  }\r\n\r\n  _enable(name) {\r\n    const button = this.get(name)\r\n    const command = this.commands.get(name)\r\n\r\n    if (!button || !button.disabled) {\r\n      return this\r\n    }\r\n\r\n    button.disabled = false\r\n\r\n    if (command) {\r\n      this.commands.add(command)\r\n    }\r\n\r\n    removeClass(button.$el, DISABLED)\r\n\r\n    return this\r\n  }\r\n\r\n  disable(name) {\r\n    const disabled = this.attr('afterDisabled')\r\n\r\n    if (name) {\r\n      this._disable(name)\r\n    } else {\r\n      addClass(this.$el, DISABLED)\r\n      this.removeListeners()\r\n      this.disabled = true\r\n\r\n      if (isFunction(disabled)) {\r\n        disabled.call(this)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  enable(name) {\r\n    const enabled = this.attr('afterEnabled')\r\n\r\n    if (name) {\r\n      this._enable(name)\r\n    } else {\r\n      this.disabled = false\r\n      removeClass(this.$el, DISABLED)\r\n      this.addListeners()\r\n\r\n      if (isFunction(enabled)) {\r\n        enabled.call(this)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  show(name) {\r\n    const opened = this.attr('afterOpened')\r\n    const button = this.get(name)\r\n    const $el = this.$el\r\n\r\n    if (name) {\r\n      if (!button) {\r\n        return this\r\n      }\r\n\r\n      removeClass(button.$el, HIDDEN)\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n      this.closed = false\r\n\r\n      if (isFunction(opened)) {\r\n        later(() => {\r\n          opened.call(this)\r\n        }, 310)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide(name) {\r\n    const closed = this.attr('afterClosed')\r\n    const button = this.get(name)\r\n    const $el = this.$el\r\n\r\n    if (name) {\r\n      if (!button) {\r\n        return this\r\n      }\r\n\r\n      addClass(button.$el, HIDDEN)\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n      this.closed = true\r\n\r\n      if (isFunction(closed)) {\r\n        later(() => {\r\n          closed.call(this)\r\n        }, 310)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle(name) {\r\n    if (this.isClosed()) {\r\n      this.show(name)\r\n    } else {\r\n      this.hide(name)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  highlight(name) {\r\n    const button = this.get(name)\r\n    const ACTIVE = 'outline-toolbar_active'\r\n    let $button\r\n\r\n    if (!button) {\r\n      return this\r\n    }\r\n\r\n    $button = button.$el\r\n\r\n    if (hasClass($button, ACTIVE)) {\r\n      removeClass($button, ACTIVE)\r\n    } else {\r\n      addClass($button, ACTIVE)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.commands.clear()\r\n    this.removeListeners()._remove()._default()\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  execute(name) {\r\n    if (this.isDisabled(name)) {\r\n      return this\r\n    }\r\n\r\n    this.commands.execute(name)\r\n\r\n    return this\r\n  }\r\n\r\n  onExecute(evt) {\r\n    const $button = evt.delegateTarget\r\n    let cmd = ''\r\n\r\n    if ($button) {\r\n      cmd = $button.getAttribute('data-cmd')\r\n\r\n      if (cmd) {\r\n        this.execute(cmd)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const buttons = this.attr('buttons') || []\r\n    const $el = this.$el\r\n\r\n    if (!buttons || buttons.length < 1) {\r\n      return this\r\n    }\r\n\r\n    on($el, `.outline-toolbar__button`, 'click', this.onExecute, this, true)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const buttons = this.attr('buttons') || []\r\n    const $el = this.$el\r\n\r\n    if (!buttons || buttons.length < 1) {\r\n      return this\r\n    }\r\n\r\n    off($el, '.outline-toolbar__button', this.onExecute)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nToolbar.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    placement: 'ltr',\r\n    closed: false,\r\n    disabled: false,\r\n    rounded: true,\r\n    buttons: [],\r\n    created: null,\r\n    mounted: null,\r\n    afterClosed: null,\r\n    afterOpened: null,\r\n    afterDisabled: null,\r\n    afterEnabled: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Toolbar\r\n","import publish from './utils/observer/emit'\r\n\r\nclass Speech {\r\n  constructor(options) {\r\n    this.utterance = new SpeechSynthesisUtterance()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _initialize(options) {\r\n    if (options.lang) {\r\n      this.setLang(options.lang)\r\n    }\r\n\r\n    if (options.pitch) {\r\n      this.setPitch(options.pitch)\r\n    }\r\n\r\n    if (options.rate) {\r\n      this.setRate(options.rate)\r\n    }\r\n\r\n    if (options.text) {\r\n      this.setText(options.text)\r\n    }\r\n\r\n    if (options.voice) {\r\n      this.setVoice(options.voice)\r\n    }\r\n\r\n    if (options.volume) {\r\n      this.setVolume(options.volume)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    this._initialize(options)._addListeners()\r\n    return this\r\n  }\r\n\r\n  isSpeaking() {\r\n    return speechSynthesis.speaking\r\n  }\r\n\r\n  isPending() {\r\n    return speechSynthesis.pending\r\n  }\r\n\r\n  isPaused() {\r\n    return speechSynthesis.paused\r\n  }\r\n\r\n  getVoices() {\r\n    return speechSynthesis.getVoices()\r\n  }\r\n\r\n  setLang(lang) {\r\n    this.utterance.lang = lang\r\n    return this\r\n  }\r\n\r\n  setPitch(pitch) {\r\n    this.utterance.pitch = pitch\r\n    return this\r\n  }\r\n\r\n  setRate(rate) {\r\n    this.utterance.rate = rate\r\n    return this\r\n  }\r\n\r\n  setText(text) {\r\n    this.utterance.text = text\r\n    return this\r\n  }\r\n\r\n  setVoice(voice) {\r\n    this.utterance.voice = voice\r\n    return this\r\n  }\r\n\r\n  setVolume(volume) {\r\n    this.utterance.volume = volume\r\n    return this\r\n  }\r\n\r\n  speak(text) {\r\n    if (text) {\r\n      this.setText(text)\r\n    }\r\n\r\n    speechSynthesis.speak(this.utterance)\r\n\r\n    return this\r\n  }\r\n\r\n  pause() {\r\n    speechSynthesis.pause()\r\n    return this\r\n  }\r\n\r\n  resume() {\r\n    speechSynthesis.resume()\r\n    return this\r\n  }\r\n\r\n  cancel() {\r\n    speechSynthesis.cancel()\r\n    this.setText('')\r\n    return this\r\n  }\r\n\r\n  _addListeners() {\r\n    const UTTERANCE_EVENTS = [\r\n      'boundary',\r\n      'end',\r\n      'error',\r\n      'start',\r\n      'mark',\r\n      'pause',\r\n      'resume'\r\n    ]\r\n    const utterance = this.utterance\r\n    const speech = this\r\n\r\n    UTTERANCE_EVENTS.forEach((name) => {\r\n      utterance[`on${name}`] = (event) => {\r\n        publish(name, {\r\n          event,\r\n          speech\r\n        })\r\n      }\r\n    })\r\n\r\n    speechSynthesis.onvoiceschanged = (event) => {\r\n      publish('voiceschanged', {\r\n        event,\r\n        speech\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nSpeech.isSupport = (() => {\r\n  return 'speechSynthesis' in window\r\n})()\r\n\r\nexport default Speech\r\n","import addClass from './utils/dom/addClass'\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-reader_sibling')\r\n    }\r\n\r\n    if (isPrev) {\r\n      $sibling = $sibling.previousElementSibling\r\n    } else {\r\n      $sibling = $sibling.nextElementSibling\r\n    }\r\n  }\r\n}\r\n\r\nexport default _updateSiblingElements\r\n","import cloneDeep from './utils/lang/cloneDeep'\r\nimport later from './utils/lang/later'\r\nimport isString from './utils/types/isString'\r\nimport isElement from './utils/types/isElement'\r\nimport isFunction from './utils/types/isFunction'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport at from './utils/event/at'\r\nimport stop from './utils/event/stop'\r\nimport off from './utils/event/off'\r\n\r\nimport Base from './base'\r\nimport Message from './message'\r\nimport Toolbar from './toolbar'\r\nimport Speech from './speech'\r\n\r\nimport _updateSiblingElements from './_updateSiblingElements'\r\n\r\nconst ENTER_READING_TIP = '进入阅读模式，按 ESC 键可退出阅读模式'\r\n\r\nclass Reader extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Reader.DEFAULTS)\r\n    this.reading = false\r\n\r\n    this.$target = null\r\n    this.$paper = null\r\n    this.$title = null\r\n    this.$article = null\r\n    this.$progress = null\r\n\r\n    this.toolbar = null\r\n    this.speech = null\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let target = null\r\n\r\n    this.attr(options)\r\n\r\n    target = this.attr('target')\r\n\r\n    if (isString(target)) {\r\n      this.$target = document.querySelector(target)\r\n    } else if (isElement(target)) {\r\n      this.$target = target\r\n    }\r\n\r\n    if (!this.$target) {\r\n      return this\r\n    }\r\n\r\n    if (Speech.isSupport) {\r\n      this.speech = new Speech()\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  isSpeaking() {\r\n    return this?.speech?.isSpeaking()\r\n  }\r\n\r\n  render() {\r\n    this._renderEdge()._paint(this.$target)\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$article.innerHTML = ''\r\n    return this\r\n  }\r\n\r\n  _paint($content) {\r\n    const $fragment = document.createDocumentFragment()\r\n    const $children = [...$content.cloneNode(true).children]\r\n\r\n    later(() => {\r\n      $children.forEach(($child) => {\r\n        $fragment.appendChild($child)\r\n      })\r\n\r\n      this.$article.appendChild($fragment)\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    const $paper = this.$paper\r\n    const toolbar = this.toolbar\r\n\r\n    if ($paper) {\r\n      document.body.removeChild($paper)\r\n    }\r\n\r\n    if (toolbar) {\r\n      toolbar.destroy()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  refresh() {\r\n    this.erase()._paint(this.$target)\r\n    return this\r\n  }\r\n\r\n  _renderEdge() {\r\n    const $target = this.$target\r\n    let title = this.attr('title')\r\n    let $paper\r\n    let $title\r\n    let $article\r\n    let $progress\r\n    let $sibling\r\n\r\n    $title = $target.querySelector('h1')\r\n\r\n    if (isElement(title)) {\r\n      $title = title\r\n    }\r\n\r\n    if (isElement($title)) {\r\n      title = $title.innerText\r\n    }\r\n\r\n    $title = createElement(\r\n      'h1',\r\n      {\r\n        className: 'outline-reader__title'\r\n      },\r\n      title\r\n    )\r\n    this.$title = $title\r\n\r\n    $article = createElement('article', {\r\n      id: 'outline-reader__article',\r\n      className: 'outline-reader__article'\r\n    })\r\n    this.$article = $article\r\n\r\n    $progress = createElement('div', {\r\n      className: 'outline-reader__progress'\r\n    })\r\n    this.$progress = $progress\r\n\r\n    const buttons = []\r\n\r\n    if (Speech.isSupport && this.attr('allowSpeak')) {\r\n      buttons.push({\r\n        name: 'speak',\r\n        icon: 'sound',\r\n        size: 20,\r\n        action: {\r\n          context: this,\r\n          handler: this.speak\r\n        }\r\n      })\r\n    }\r\n\r\n    buttons.push(\r\n      ...[\r\n        {\r\n          name: 'print',\r\n          icon: 'print',\r\n          size: 20,\r\n          action: {\r\n            context: this,\r\n            handler: this.print\r\n          }\r\n        },\r\n        {\r\n          name: 'exit',\r\n          icon: 'close',\r\n          size: 20,\r\n          action: {\r\n            context: this,\r\n            handler: this.exit\r\n          }\r\n        }\r\n      ]\r\n    )\r\n\r\n    this.toolbar = new Toolbar({\r\n      placement: 'rtl',\r\n      buttons\r\n    })\r\n\r\n    $paper = createElement(\r\n      'section',\r\n      {\r\n        id: 'outline-reader',\r\n        className: 'outline-reader outline-reader_hidden'\r\n      },\r\n      [$progress, $title, $article, this.toolbar.$el]\r\n    )\r\n    this.$paper = $paper\r\n\r\n    document.body.appendChild($paper)\r\n\r\n    later(() => {\r\n      // 设置邻居节点的打印样式\r\n      $sibling = $paper.previousElementSibling\r\n      _updateSiblingElements($sibling, true)\r\n\r\n      $sibling = $paper.nextElementSibling\r\n      _updateSiblingElements($sibling)\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  enter() {\r\n    const READER = 'outline-reader'\r\n    const READING = `${READER}--reading`\r\n    const HIDDEN = `${READER}_hidden`\r\n    const $paper = this.$paper\r\n    const $siblings = document.querySelectorAll('.outline-reader_sibling')\r\n    const enterReadingTip = this.attr('enterReadingTip') || ENTER_READING_TIP\r\n\r\n    if (this.reading || !$paper) {\r\n      return this\r\n    }\r\n\r\n    $siblings.forEach(($sibling) => {\r\n      addClass($sibling, HIDDEN)\r\n    })\r\n    addClass($paper, READING)\r\n    removeClass($paper, HIDDEN)\r\n    this.toolbar.show()\r\n    this.reading = true\r\n\r\n    Message.info({\r\n      round: true,\r\n      message: enterReadingTip\r\n    })\r\n\r\n    this.$emit('enterReading')\r\n\r\n    return this\r\n  }\r\n\r\n  exit() {\r\n    const READER = 'outline-reader'\r\n    const READING = `${READER}--reading`\r\n    const HIDDEN = `${READER}_hidden`\r\n    const $paper = this.$paper\r\n    const $siblings = document.querySelectorAll('.outline-reader_sibling')\r\n\r\n    if (!this.reading || !$paper) {\r\n      return this\r\n    }\r\n\r\n    addClass($paper, HIDDEN)\r\n    removeClass($paper, READING)\r\n    $siblings.forEach(($sibling) => {\r\n      removeClass($sibling, HIDDEN)\r\n    })\r\n    this.toolbar.hide()\r\n    this.reading = false\r\n\r\n    this.$emit('exitReading')\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    if (this.reading) {\r\n      this.exit()\r\n    } else {\r\n      this.enter()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  speak() {\r\n    const text = this.$article.innerText\r\n    const speech = this.speech\r\n\r\n    if (!Speech.isSupport) {\r\n      return this\r\n    }\r\n\r\n    this.toolbar.highlight('speak')\r\n\r\n    if (this.isSpeaking()) {\r\n      speech.cancel()\r\n    } else {\r\n      speech.speak(text)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  print() {\r\n    if (!isFunction(print)) {\r\n      return this\r\n    }\r\n\r\n    print()\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const $paper = this.$paper\r\n\r\n    if (!$paper) {\r\n      return this\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    return this\r\n  }\r\n\r\n  onPrint() {\r\n    this.print()\r\n    return this\r\n  }\r\n\r\n  onEnterReading() {\r\n    this.toggle()\r\n    return this\r\n  }\r\n\r\n  onExitReading(evt) {\r\n    const keyCode = evt.keyCode\r\n\r\n    if (keyCode === 27 && this.reading) {\r\n      this.toggle()\r\n      stop(evt)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $paper = this.$paper\r\n\r\n    if (!$paper) {\r\n      return this\r\n    }\r\n\r\n    at(document, 'keyup', this.onExitReading, this, true)\r\n\r\n    this.$on('toolbar:action:print', this.onPrint)\r\n    this.$on('toolbar:action:reading', this.onEnterReading)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $paper = this.$paper\r\n\r\n    if (!$paper) {\r\n      return this\r\n    }\r\n\r\n    off(document, 'keyup', this.onExitReading)\r\n\r\n    this.$off('toolbar:action:print')\r\n    this.$off('toolbar:action:reading')\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nReader.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    target: '',\r\n    title: '',\r\n    enterReadingTip: ENTER_READING_TIP,\r\n    allowSpeak: false\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Reader\r\n","import later from './utils/lang/later'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isString from './utils/types/isString'\r\nimport isElement from './utils/types/isElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\n\r\nimport getChapters from './getChapters'\r\n\r\nimport Base from './base'\r\nimport Anchors from './anchors'\r\nimport Drawer from './drawer'\r\nimport Navigator from './navigator'\r\nimport Reader from './reader'\r\nimport Toolbar from './toolbar'\r\n\r\nclass Outline extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    const options = Outline.DEFAULTS\r\n\r\n    this.attrs = cloneDeep(options)\r\n    this.$article = null\r\n    this.$scrollElement = null\r\n    this.buttons = []\r\n\r\n    this.anchors = null\r\n    this.drawer = null\r\n    this.navigator = null\r\n    this.reader = null\r\n    this.toolbar = null\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let articleElement = ''\r\n    let scrollElement = ''\r\n    let $article = null\r\n\r\n    this.attr(options)\r\n\r\n    articleElement = this.attr('articleElement')\r\n    scrollElement = this.attr('scrollElement')\r\n\r\n    if (isString(articleElement)) {\r\n      $article = document.querySelector(articleElement)\r\n    } else if (isElement(articleElement)) {\r\n      $article = articleElement\r\n    }\r\n    this.$article = $article\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n\r\n    this.$emit('created', { ...this.attr() })\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  getChapters(isTreeStructured = false) {\r\n    const articleElement = this.$article\r\n    const selector = this.attr('selector')\r\n    const showCode = this.attr('showCode') || true\r\n    const chapterTextFilter = this.attr('chapterTextFilter')\r\n\r\n    return getChapters({\r\n      articleElement,\r\n      selector,\r\n      showCode,\r\n      chapterTextFilter,\r\n      isTreeStructured\r\n    })\r\n  }\r\n\r\n  count() {\r\n    return this.getChapters().length\r\n  }\r\n\r\n  render() {\r\n    const hasToolbar = this.attr('hasToolbar')\r\n    const $scrollElement = this.$scrollElement\r\n\r\n    this._renderReader()._renderAnchors()._renderNavigator()._renderToolbar()\r\n\r\n    if ($scrollElement && hasToolbar) {\r\n      this._updateToolbar({\r\n        top: $scrollElement.scrollTop,\r\n        min: 0,\r\n        max: $scrollElement.scrollHeight\r\n      })\r\n    }\r\n\r\n    this.$emit('mounted')\r\n\r\n    return this\r\n  }\r\n\r\n  refresh() {\r\n    const chapters = this.getChapters()\r\n\r\n    this.anchors.refresh(chapters)\r\n    this.navigator.refresh(chapters)\r\n    this.reader.refresh()\r\n\r\n    return this\r\n  }\r\n\r\n  _renderReader() {\r\n    const option = this.attr('reader')\r\n\r\n    if (!option.target) {\r\n      return this\r\n    }\r\n\r\n    addClass(this.$article, 'outline-article')\r\n\r\n    this.reader = new Reader(option)\r\n\r\n    return this\r\n  }\r\n\r\n  _renderAnchors() {\r\n    const articleElement = this.attr('articleElement')\r\n    const selector = this.attr('selector')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const scrollElement = this.attr('scrollElement')\r\n    const showCode = this.attr('showCode')\r\n    const anchorURL = this.attr('anchorURL')\r\n    const afterScroll = this.attr('afterScroll')\r\n    const chapterTextFilter = this.attr('chapterTextFilter')\r\n\r\n    this.anchors = new Anchors({\r\n      articleElement,\r\n      stickyHeight,\r\n      scrollElement,\r\n      selector,\r\n      showCode,\r\n      anchorURL,\r\n      afterScroll,\r\n      chapterTextFilter\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  _renderNavigator() {\r\n    const title = this.attr('title')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const scrollElement = this.attr('scrollElement')\r\n    const customClass = this.attr('customClass')\r\n    const showCode = this.attr('showCode')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const closeOnClickModal = this.attr('closeOnClickModal')\r\n    const showNavModalFirst = this.attr('showNavModalFirst')\r\n    const position = this.attr('position')\r\n    const placement = this.attr('placement')\r\n    const afterSticky = this.attr('afterSticky')\r\n    const afterToggle = this.attr('afterToggle')\r\n    const afterScroll = this.attr('afterScroll')\r\n    const count = this.count()\r\n    let parentElement = this.attr('parentElement')\r\n    let OPTIONS\r\n\r\n    if (count < 1) {\r\n      return this\r\n    }\r\n\r\n    OPTIONS = {\r\n      scrollElement,\r\n      showCode,\r\n      animationCurrent,\r\n      position,\r\n      title,\r\n      stickyHeight,\r\n      chapters: this.getChapters(),\r\n      afterSticky,\r\n      afterToggle,\r\n      afterScroll\r\n    }\r\n\r\n    if (position === 'relative') {\r\n      this.drawer = new Drawer({\r\n        placement,\r\n        title,\r\n        size: 'tiny',\r\n        hasOffset: true,\r\n        hasPadding: false,\r\n        closeOnClickModal,\r\n        customClass,\r\n        afterClosed: () => {\r\n          const toolbar = this.toolbar\r\n          toolbar.toggle()\r\n        }\r\n      })\r\n      parentElement = this.drawer.$main\r\n\r\n      if (showNavModalFirst) {\r\n        this.drawer.open()\r\n      }\r\n    } else {\r\n      OPTIONS.customClass = customClass\r\n    }\r\n\r\n    OPTIONS.parentElement = parentElement\r\n    this.navigator = new Navigator(OPTIONS)\r\n\r\n    return this\r\n  }\r\n\r\n  _renderToolbar() {\r\n    const position = this.attr('position')\r\n    const hasToolbar = this.attr('hasToolbar')\r\n    const showNavModalFirst = this.attr('showNavModalFirst')\r\n    const placement = this.attr('placement')\r\n    const homepage = this.attr('homepage')\r\n    const git = this.attr('git')\r\n    const tags = this.attr('tags')\r\n    const issues = this.attr('issues')\r\n    const tools = this.attr('tools')\r\n    const option = this.attr('reader')\r\n    const count = this.count()\r\n    const UP = {\r\n      name: 'up',\r\n      icon: 'up',\r\n      size: 20,\r\n      action: {\r\n        context: this,\r\n        handler: this.toTop\r\n      }\r\n    }\r\n    const HOME = {\r\n      name: 'homepage',\r\n      icon: 'homepage',\r\n      size: 20,\r\n      link: homepage\r\n    }\r\n    const GIT = {\r\n      name: 'github',\r\n      icon: 'github',\r\n      size: 20,\r\n      link: git\r\n    }\r\n    const TAGS = {\r\n      name: 'tags',\r\n      icon: 'tags',\r\n      size: 20,\r\n      link: tags\r\n    }\r\n    const ISSUES = {\r\n      name: 'issues',\r\n      icon: 'issues',\r\n      size: 20,\r\n      link: issues\r\n    }\r\n    const MENU = {\r\n      name: 'toggle',\r\n      icon: 'menu',\r\n      size: 18,\r\n      action: {\r\n        context: this,\r\n        handler: this.toggle\r\n      }\r\n    }\r\n    const READING = {\r\n      name: 'reading',\r\n      icon: 'file',\r\n      size: 18,\r\n      action: {\r\n        context: this,\r\n        handler: 'toolbar:action:reading'\r\n      }\r\n    }\r\n    const PRINT = {\r\n      name: 'print',\r\n      icon: 'print',\r\n      size: 20,\r\n      action: {\r\n        handler: 'toolbar:action:print'\r\n      }\r\n    }\r\n    const DOWN = {\r\n      name: 'down',\r\n      icon: 'down',\r\n      size: 20,\r\n      action: {\r\n        context: this,\r\n        handler: this.toBottom\r\n      }\r\n    }\r\n    const buttons = []\r\n\r\n    if (!hasToolbar) {\r\n      return this\r\n    }\r\n\r\n    buttons.push(UP)\r\n    if (count > 0) {\r\n      buttons.push(MENU)\r\n    }\r\n    if (homepage) {\r\n      buttons.push(HOME)\r\n    }\r\n    if (git) {\r\n      buttons.push(GIT)\r\n    }\r\n    if (tags) {\r\n      buttons.push(TAGS)\r\n    }\r\n    if (issues) {\r\n      buttons.push(ISSUES)\r\n    }\r\n    if (option.target) {\r\n      buttons.push(READING)\r\n      if (isFunction(print)) {\r\n        buttons.push(PRINT)\r\n      }\r\n    }\r\n    if (tools?.length > 0) {\r\n      buttons.push(...tools)\r\n    }\r\n    buttons.push(DOWN)\r\n    this.buttons = [...buttons]\r\n\r\n    this.toolbar = new Toolbar({\r\n      placement,\r\n      buttons\r\n    })\r\n\r\n    if (position === 'relative' && showNavModalFirst) {\r\n      this.toolbar.hide()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addButton(button) {\r\n    const toolbar = this.toolbar\r\n    const buttons = this.buttons\r\n    buttons.splice(-1, 0, button)\r\n    toolbar.attr({\r\n      buttons\r\n    })\r\n    toolbar.refresh()\r\n    return this\r\n  }\r\n\r\n  removeButton(name) {\r\n    this.toolbar.remove(name)\r\n    return this\r\n  }\r\n\r\n  _updateToolbar({ top, min, max }) {\r\n    const toolbar = this.toolbar\r\n    const current = Math.ceil(top)\r\n\r\n    if (current <= min) {\r\n      toolbar.hide('up')\r\n      toolbar.show('down')\r\n    } else if (current >= max) {\r\n      toolbar.hide('down')\r\n      toolbar.show('up')\r\n    } else if (current > min && current < max) {\r\n      toolbar.show('up')\r\n      toolbar.show('down')\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toTop() {\r\n    const afterScroll = this.attr('afterScroll')\r\n    const toolbar = this.toolbar\r\n    const navigator = this.navigator\r\n    const count = this.count()\r\n    const afterTop = () => {\r\n      toolbar.hide('up')\r\n      toolbar.show('down')\r\n\r\n      if (count > 0) {\r\n        navigator.highlight(0)\r\n        navigator.playing = false\r\n        scrollTo(navigator.$main, 0)\r\n      }\r\n\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(toolbar, 'up')\r\n      }\r\n    }\r\n\r\n    if (count > 0) {\r\n      navigator.playing = true\r\n    }\r\n    this.scrollTo(0, afterTop)\r\n\r\n    return this\r\n  }\r\n\r\n  toBottom() {\r\n    const afterScroll = this.attr('afterScroll')\r\n    const $scrollElement = this.$scrollElement\r\n    const toolbar = this.toolbar\r\n    const navigator = this.navigator\r\n    const count = this.count()\r\n    const top = Math.floor(\r\n      $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n    )\r\n    const afterDown = () => {\r\n      toolbar.hide('down')\r\n      toolbar.show('up')\r\n\r\n      if (count > 0) {\r\n        navigator.highlight(count - 1)\r\n        scrollTo(navigator.$main, navigator.$main.scrollHeight)\r\n        navigator.playing = false\r\n      }\r\n\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(toolbar, 'bottom')\r\n      }\r\n    }\r\n\r\n    if (count > 0) {\r\n      navigator.playing = true\r\n    }\r\n\r\n    this.scrollTo(top, afterDown)\r\n\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, afterScroll) {\r\n    scrollTo(this.$scrollElement, top, afterScroll)\r\n    return this\r\n  }\r\n\r\n  enterReading() {\r\n    const reader = this.reader\r\n\r\n    if (!reader || reader.reading) {\r\n      return this\r\n    }\r\n\r\n    this.toolbar.toggle()\r\n    reader.enter()\r\n\r\n    return this\r\n  }\r\n\r\n  exitReading() {\r\n    const reader = this.reader\r\n\r\n    if (!reader || !reader.reading) {\r\n      return this\r\n    }\r\n\r\n    this.toolbar.toggle()\r\n    reader.exit()\r\n\r\n    return this\r\n  }\r\n\r\n  switchReading() {\r\n    const reader = this.reader\r\n\r\n    if (!reader) {\r\n      return this\r\n    }\r\n\r\n    reader.toggle()\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const position = this.attr('position')\r\n    const toolbar = this.toolbar\r\n    const drawer = this.drawer\r\n    const navigator = this.navigator\r\n    const count = this.count()\r\n\r\n    if (count < 1) {\r\n      return this\r\n    }\r\n\r\n    if (position !== 'relative') {\r\n      navigator.toggle()\r\n      toolbar.highlight('toggle')\r\n    } else {\r\n      toolbar.toggle()\r\n\r\n      later(() => {\r\n        drawer.toggle()\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  print() {\r\n    this.reader.print()\r\n\r\n    return this\r\n  }\r\n\r\n  _destroy() {\r\n    const count = this.count()\r\n    let anchors = this.anchors\r\n    let navigator = this.navigator\r\n    let drawer = this.drawer\r\n    let reader = this.reader\r\n    let toolbar = this.toolbar\r\n    let isOutside = false\r\n\r\n    this.removeListeners()\r\n\r\n    if (reader) {\r\n      reader.destroy()\r\n    }\r\n\r\n    if (count > 0 && navigator) {\r\n      isOutside = navigator.isOutside()\r\n\r\n      navigator.destroy()\r\n\r\n      if (isOutside && drawer) {\r\n        drawer.destroy()\r\n      }\r\n    }\r\n\r\n    if (anchors) {\r\n      anchors.destroy()\r\n    }\r\n\r\n    if (toolbar) {\r\n      toolbar.destroy()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    this.$emit('beforeDestroy')\r\n\r\n    this._destroy()._default()\r\n\r\n    this.$emit('destroyed')\r\n\r\n    return this\r\n  }\r\n\r\n  onToolbarUpdate({ top, min, max }) {\r\n    this._updateToolbar({ top, min, max })\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const hasToolbar = this.attr('hasToolbar')\r\n\r\n    if (!hasToolbar) {\r\n      return this\r\n    }\r\n\r\n    this.$on('toolbar:update', this.onToolbarUpdate)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const hasToolbar = this.attr('hasToolbar')\r\n\r\n    if (!hasToolbar) {\r\n      return this\r\n    }\r\n\r\n    this.$off('toolbar:update')\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nOutline.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    articleElement: '#article',\r\n    selector: 'h2,h3,h4,h5,h6',\r\n    parentElement: '#aside',\r\n    scrollElement: 'html,body',\r\n    title: '目录',\r\n    position: 'relative',\r\n    placement: 'rtl',\r\n    animationCurrent: true,\r\n    showCode: true,\r\n    hasToolbar: true,\r\n    closeOnClickModal: true,\r\n    showNavModalFirst: false,\r\n    anchorURL: '',\r\n    stickyHeight: 0,\r\n    homepage: '',\r\n    git: '',\r\n    tags: '',\r\n    issues: '',\r\n    tools: [],\r\n    reader: {\r\n      target: '',\r\n      title: '',\r\n      enterReadingTip: '进入阅读模式，按 ESC 键可退出阅读模式',\r\n      allowSpeak: false\r\n    },\r\n    customClass: '',\r\n    afterSticky: null,\r\n    afterToggle: null,\r\n    afterScroll: null,\r\n    chapterTextFilter: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nif (window?.jQuery) {\r\n  const $ = window.jQuery\r\n\r\n  // 将 Outline 扩展为一个 jquery 插件\r\n  // eslint-disable-next-line no-undef\r\n  $.extend($.fn, {\r\n    outline: function (options) {\r\n      // eslint-disable-next-line no-undef\r\n      let $article = $(this)\r\n\r\n      return new Outline(\r\n        // eslint-disable-next-line no-undef\r\n        $.extend({}, options, {\r\n          articleElement: $article\r\n        })\r\n      )\r\n    }\r\n  })\r\n}\r\n\r\nexport default 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（必须）待检测的数据\r\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\r\n */\r\nconst isFunction = (val) => {\r\n  return typeof val === 'function' || toString(val) === '[object Function]'\r\n}\r\n\r\nexport default isFunction\r\n","import isFunction from '../types/isFunction'\r\n\r\n/**\r\n * later - 延迟执行方法\r\n * ========================================================================\r\n * @method later\r\n * @param {Function} fn\r\n * @param {Number} [delay]\r\n * @returns {number|boolean}\r\n */\r\nconst later = (fn, delay = 300) => {\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  return setTimeout(() => {\r\n    fn()\r\n  }, delay)\r\n}\r\n\r\nexport default later\r\n","import toString from '../lang/toString'\r\nimport isFunction from './isFunction'\r\n\r\n/**\r\n * 检测数据是否为 Object 类型\r\n * ========================================================================\r\n * @method isObject\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isObject = (o) => {\r\n  return (\r\n    (toString(o) === '[object Object]' ||\r\n      typeof o === 'object' ||\r\n      isFunction(o)) &&\r\n    o !== null\r\n  )\r\n}\r\n\r\nexport default isObject\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测数据是否为 Array 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isArray = (o) => {\r\n  if (Array.isArray) {\r\n    return Array.isArray(o)\r\n  } else {\r\n    return toString(o) === '[object Array]'\r\n  }\r\n}\r\n\r\nexport default isArray\r\n","import isObject from '../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","/**\r\n * 检测数据是否为 String 类型\r\n * ========================================================================\r\n * @method isArray\r\n * @param {*} str\r\n * @returns {boolean}\r\n */\r\nconst isString = (str) => {\r\n  return typeof str === 'string'\r\n}\r\n\r\nexport default isString\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测数据是否为 HTMLElement DOM 节点\r\n * ========================================================================\r\n * @method isElement\r\n * @param {*} o\r\n * @returns {boolean}\r\n */\r\nconst isElement = (o) => {\r\n  return !!(isObject(o) && o.nodeName && o.tagName && o.nodeType === 1)\r\n}\r\n\r\nexport default isElement\r\n","import isElement from '../types/isElement'\r\n/**\r\n * 检测 DOM 节点是否包含名为 className 的样式\r\n * ========================================================================\r\n * @method hasClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst hasClass = (el, className) => {\r\n  const pattern = new RegExp('(\\\\s|^)' + className + '(\\\\s|$)')\r\n  let allClass\r\n  let classList\r\n\r\n  if (!isElement(el)) {\r\n    return false\r\n  }\r\n\r\n  allClass = el.className\r\n\r\n  if (!allClass) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList && classList.contains) {\r\n    return el.classList.contains(className)\r\n  }\r\n\r\n  return !!pattern.exec(allClass)\r\n}\r\n\r\nexport default hasClass\r\n","import hasClass from './hasClass'\r\n\r\n/**\r\n * 给 DOM 节点添加名为 className 的样式\r\n * ========================================================================\r\n * @method addClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst addClass = (el, className) => {\r\n  let classList\r\n  let allClass\r\n\r\n  if (hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.add) {\r\n    classList.add(className)\r\n  } else {\r\n    allClass = el.className\r\n    allClass += allClass.length > 0 ? ' ' + className : className\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default addClass\r\n","/**\r\n * 返回给定值的平方值\r\n * ========================================================================\r\n * @method easeInQuad\r\n * @param {Number} x\r\n * @returns {number}\r\n */\r\nconst easeInQuad = (x) => {\r\n  return x * x\r\n}\r\n\r\nexport default easeInQuad\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通过给的 scrollElement 参数，获取滚动 DOM 元素\r\n * ========================================================================\r\n * @method _getScrollElement\r\n * @param {String|HTMLElement} scrollElement\r\n * @returns {Element}\r\n * @private\r\n */\r\nconst _getScrollElement = (scrollElement = null) => {\r\n  let $rootElements\r\n  let $scrollElement\r\n\r\n  if (!scrollElement) {\r\n    $rootElements = document.querySelectorAll('html,body')\r\n    $scrollElement =\r\n      $rootElements[0].scrollTop - $rootElements[1].scrollTop >= 0\r\n        ? $rootElements[0]\r\n        : $rootElements[1]\r\n  } else {\r\n    if (isString(scrollElement)) {\r\n      $scrollElement = document.querySelector(scrollElement)\r\n    } else if (isElement(scrollElement)) {\r\n      $scrollElement = scrollElement\r\n    }\r\n  }\r\n\r\n  return $scrollElement\r\n}\r\n\r\nexport default _getScrollElement\r\n","import easeInQuad from '../lang/easeInQuad'\r\nimport isFunction from '../types/isFunction'\r\nimport _getScrollElement from './_getScrollElement'\r\n\r\n/**\r\n * 指定 rootElement DOM 节点滚动到指定 top 位置\r\n * ========================================================================\r\n * @method scrollTo\r\n * @param {HTMLElement|Object} [scrollElement] - （必须）要滚动的 DOM 节点\r\n * @param {Number} top - （必须）滚动的 scrollTop 数值\r\n * @param {Function} [afterStop] - （可选）滚动完成的回调函数\r\n */\r\nconst scrollTo = (scrollElement, top, afterStop) => {\r\n  const $scrollElement = _getScrollElement(scrollElement)\r\n  let scrollTop = $scrollElement.scrollTop\r\n  let step = 0\r\n  const distance = top - scrollTop\r\n  const MAX_HEIGHT = $scrollElement.scrollHeight\r\n  const MAX_TOP = top - MAX_HEIGHT <= 0 ? top : MAX_HEIGHT\r\n  const stop = (top) => {\r\n    if (isFunction(afterStop)) {\r\n      afterStop(top)\r\n    }\r\n\r\n    return false\r\n  }\r\n  const play = () => {\r\n    step += 1\r\n\r\n    // 向上滚动\r\n    if (distance < 0) {\r\n      scrollTop -= easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop <= top) {\r\n        $scrollElement.scrollTop = top\r\n        return stop(top)\r\n      }\r\n    } else {\r\n      scrollTop += easeInQuad(step)\r\n      $scrollElement.scrollTop = scrollTop\r\n\r\n      if (scrollTop >= MAX_TOP) {\r\n        $scrollElement.scrollTop = MAX_TOP\r\n        return stop(MAX_TOP)\r\n      }\r\n    }\r\n\r\n    // eslint-disable-next-line compat/compat\r\n    requestAnimationFrame(play)\r\n  }\r\n\r\n  // eslint-disable-next-line compat/compat\r\n  requestAnimationFrame(play)\r\n}\r\n\r\nexport default scrollTo\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 清楚字符串起始位置所有的空格\r\n * ========================================================================\r\n * @method trim\r\n * @param {string} str\r\n * @returns {string|Boolean}\r\n */\r\nconst trim = (str) => {\r\n  if (!isString(str)) {\r\n    return false\r\n  }\r\n  return str.replace(/(^\\s+)|(\\s+$)/g, '')\r\n}\r\n\r\nexport default trim\r\n","import trim from './utils/lang/trim'\r\nimport stripTags from './utils/lang/stripTags'\r\nimport isFunction from './utils/types/isFunction'\r\n\r\nimport _getChapterParentIdByDiffer from './_getChapterParentIdByDiffer'\r\nimport _getChaptersWithCode from './_getChaptersWithCode'\r\n\r\n/**\r\n * 根据文章中的 h1~h6 标签，自动分析返回文章章节数据\r\n * ========================================================================\r\n * @method getChaptersByHeadings\r\n * @param {Array} headings\r\n * @param {Boolean} [showCode]\r\n * @param {Function} [chapterTextFilter]\r\n * @return {*|*[]}\r\n */\r\nconst getChaptersByHeadings = (\r\n  headings,\r\n  showCode = true,\r\n  chapterTextFilter = null\r\n) => {\r\n  let previous = 1\r\n  let level = 0\r\n  let text = ''\r\n  const chapters = []\r\n\r\n  headings.forEach((heading, i) => {\r\n    const tagName = heading.tagName\r\n    const headingLevel = tagName.replace(/h/i, '')\r\n    let current = parseInt(headingLevel, 10)\r\n    let pid = -1\r\n\r\n    // 场景1：当前标题是前一个标题的子标题\r\n    // 当前标题的（标题标签）序号 > 前一个标题的序号：两个相连的标题是父标题 -> 子标题关系；\r\n    // h2 （前一个标题）\r\n    // h3 （当前标题）\r\n    if (current > previous) {\r\n      level += 1\r\n\r\n      // 第一层级的 pid 是 -1\r\n      if (level === 1) {\r\n        pid = -1\r\n      } else {\r\n        pid = i - 1\r\n      }\r\n    }\r\n    // 场景2：当前标题和前一个标题层级相同\r\n    // 当前标题的（标题标签）序号 = 前一个标题的序号\r\n    // h2 （前一个标题）\r\n    // h2 （当前标题）\r\n    // 当前标题的（标题标签）序号 < 前一个标题的序号，并且当前标题序号 > 当前的级别\r\n    // h2\r\n    // h4 （前一个标题）\r\n    // h3 （当前标题：这种情况我们还是任务 h3 是 h2 的下一级章节）\r\n    else if (current === previous || (current < previous && current > level)) {\r\n      // H1 的层级肯定是 1\r\n      if (current === 1) {\r\n        level = 1\r\n        pid = -1\r\n      } else {\r\n        pid = chapters[i - 1].pid\r\n      }\r\n    }\r\n    // 场景3：当前标题比前一个标题层级高\r\n    else if (current <= level) {\r\n      // H1 的层级肯定是 1\r\n      if (current === 1) {\r\n        level = 1\r\n      } else {\r\n        level = level - (previous - current)\r\n\r\n        if (level <= 1) {\r\n          level = 1\r\n        }\r\n      }\r\n\r\n      // 第一级的标题\r\n      if (level === 1) {\r\n        pid = -1\r\n      } else {\r\n        // 通过当前标题和前一个标题之间的等级差，获得当前标题的父标题ID\r\n        pid = _getChapterParentIdByDiffer(chapters, previous - current, i)\r\n      }\r\n    }\r\n\r\n    previous = current\r\n\r\n    text = stripTags(trim(heading.innerHTML))\r\n\r\n    if (isFunction(chapterTextFilter)) {\r\n      text = chapterTextFilter(text)\r\n    }\r\n\r\n    chapters.push({\r\n      id: i,\r\n      pid: pid,\r\n      level: level,\r\n      rel: `heading-${i}`,\r\n      text,\r\n      tagName\r\n    })\r\n  })\r\n\r\n  return showCode ? _getChaptersWithCode(chapters) : chapters\r\n}\r\n\r\nexport default getChaptersByHeadings\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 过滤所有 HTML 标签\r\n * ========================================================================\r\n * @method stripTags\r\n * @param {string} str\r\n * @returns {string}\r\n */\r\nconst stripTags = (str) => {\r\n  if (!isString(str)) {\r\n    return ''\r\n  }\r\n  return str.replace(/<\\/?[^>]+(>|$)/g, '')\r\n}\r\n\r\nexport default stripTags\r\n","const _getChapterParentIdByDiffer = (chapters, differ, index) => {\r\n  let previous = chapters[index - 1]\r\n  let pid\r\n  let i\r\n\r\n  for (i = 0; i < differ; i += 1) {\r\n    pid = previous.pid\r\n    previous = chapters[pid]\r\n  }\r\n\r\n  pid = previous.pid\r\n\r\n  return pid\r\n}\r\n\r\nexport default _getChapterParentIdByDiffer\r\n","import isArray from './utils/types/isArray'\r\n\r\nconst _getChaptersWithCode = (chapters) => {\r\n  const groups = {}\r\n  const cb = (o) => {\r\n    return [o.pid]\r\n  }\r\n\r\n  chapters.forEach((o) => {\r\n    const group = JSON.stringify(cb(o))\r\n\r\n    groups[group] = groups[group] || []\r\n    groups[group].push(o)\r\n\r\n    o.index = groups[group].length\r\n\r\n    if (o.pid === -1) {\r\n      o.code = String(o.index)\r\n    }\r\n  })\r\n\r\n  Object.keys(groups).forEach((group) => {\r\n    groups[group].forEach((c) => {\r\n      const subjects = groups[`[${c.id}]`]\r\n\r\n      if (!subjects || !isArray(subjects)) {\r\n        return false\r\n      }\r\n\r\n      subjects.forEach((o) => {\r\n        o.code = c.code + '.' + o.index\r\n      })\r\n    })\r\n  })\r\n\r\n  return chapters\r\n}\r\n\r\nexport default _getChaptersWithCode\r\n","import isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport toTree from './utils/lang/toTree'\r\n\r\nimport getChaptersByHeadings from './getChaptersByHeadings'\r\n\r\n/**\r\n *\r\n * @param {Object} [options]\r\n * @param {String|HTMLElement} [options.articleElement]\r\n * @param {String} [options.selector]\r\n * @param {Boolean} [options.showCode]\r\n * @param {Function} [options.chapterTextFilter]\r\n * @param {Boolean} [options.isTreeStructured]\r\n * @returns {Array}\r\n */\r\nconst getChapters = (options) => {\r\n  const {\r\n    articleElement,\r\n    selector,\r\n    showCode,\r\n    chapterTextFilter,\r\n    isTreeStructured\r\n  } = options\r\n  let $article = document.querySelector('#article')\r\n  let $headings = []\r\n  let chapters = []\r\n  let filter = (text) => {\r\n    return text.replace(/\\(.*?\\)/, '()')\r\n  }\r\n\r\n  if (isString(articleElement)) {\r\n    $article = document.querySelector(articleElement)\r\n  } else if (isElement(articleElement)) {\r\n    $article = articleElement\r\n  }\r\n\r\n  if (!$article) {\r\n    return chapters\r\n  }\r\n\r\n  if (isFunction(chapterTextFilter)) {\r\n    filter = chapterTextFilter\r\n  }\r\n\r\n  $headings = [...$article.querySelectorAll(selector || 'h1,h2,h3,h4,h5,h6')]\r\n  chapters = getChaptersByHeadings($headings, showCode || true, filter)\r\n\r\n  return isTreeStructured === true ? toTree(chapters, 'id', 'pid') : chapters\r\n}\r\n\r\nexport default getChapters\r\n","const toTree = (list, nodeKey, parentKey) => {\r\n  const map = {}\r\n  const roots = []\r\n\r\n  list.forEach((item, i) => {\r\n    // initialize the map\r\n    map[item[nodeKey]] = i\r\n    // initialize the children\r\n    item.children = []\r\n  })\r\n\r\n  list.forEach((item) => {\r\n    const node = list[map[item[parentKey]]]\r\n\r\n    if (item[parentKey] !== -1) {\r\n      // if you have dangling branches check that map[node.parentId] exists\r\n      node.children.push(item)\r\n    } else {\r\n      roots.push(item)\r\n    }\r\n  })\r\n\r\n  return roots\r\n}\r\n\r\nexport default toTree\r\n","/**\r\n * 检测对象自身属性中是否具有指定的属性。\r\n * ========================================================================\r\n * @method hasOwn\r\n * @param {Object} obj - （必须）检测的目标对象\r\n * @param {String} prop - （必须）属性名\r\n * @returns {Boolean}\r\n */\r\nconst hasOwn = (obj, prop) => {\r\n  const hasOwnProperty = Object.prototype.hasOwnProperty\r\n  return obj && hasOwnProperty.call(obj, prop)\r\n}\r\n\r\nexport default hasOwn\r\n","import hasOwn from './hasOwn'\r\n\r\n/**\r\n * 扩展对象\r\n * ========================================================================\r\n * @method extend\r\n * @param {Object} origin\r\n * @param {Object} source\r\n */\r\nconst extend = (origin, source) => {\r\n  const keys = Object.keys(source)\r\n\r\n  keys.forEach((prop) => {\r\n    if (hasOwn(source, prop)) {\r\n      origin[prop] = source[prop]\r\n    }\r\n  })\r\n}\r\n\r\nexport default extend\r\n","/**\r\n * 存储订阅者（主题和处理器的）私有对象\r\n * ========================================================================\r\n * @type {{}}\r\n * @private\r\n */\r\nconst _subscribers = {}\r\n\r\nexport default _subscribers\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 判断是否存在与给定 topic 完全匹配的订阅者信息\r\n * ========================================================================\r\n * @method _hasDirectSubscribersFor\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasDirectSubscribersFor = (topic) => {\r\n  return hasOwn(_subscribers, topic) && _subscribers[topic].length > 0\r\n}\r\n\r\nexport default _hasDirectSubscribersFor\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\nimport _hasSubscribers from './_hasSubscribers'\r\n\r\n/**\r\n * 判断是否存在包含 topic 指定的订阅者信息\r\n * ========================================================================\r\n * @method has\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Boolean} [isDirect] - （可选）是否为直接的主题，默认值：true\r\n * @returns {Boolean}\r\n */\r\nconst has = (topic, isDirect = true) => {\r\n  return isDirect ? _hasDirectSubscribersFor(topic) : _hasSubscribers(topic)\r\n}\r\n\r\nexport default has\r\n","import _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * 判断是否存在包含给定 topic 相关的订阅者信息\r\n * ========================================================================\r\n * @method _hasSubscribers\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _hasSubscribers = (topic) => {\r\n  let found = _hasDirectSubscribersFor(topic)\r\n  let position = topic.lastIndexOf('.')\r\n\r\n  while (!found && position !== -1) {\r\n    topic = topic.substring(0, position)\r\n    position = topic.lastIndexOf('.')\r\n    found = _hasDirectSubscribersFor(topic)\r\n  }\r\n\r\n  return found\r\n}\r\n\r\nexport default _hasSubscribers\r\n","import isTypedArray from '../types/isTypedArray'\r\nimport _subscribers from './_subscribers'\r\nimport has from './has'\r\nimport _hasDirectSubscribersFor from './_hasDirectSubscribersFor'\r\n\r\n/**\r\n * （异步）发布订阅主题信息\r\n * ========================================================================\r\n * 主题默认是异步发布的。确保在消费者处理主题时，主题的发起者不会被阻止。\r\n * ========================================================================\r\n * @method emit\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Object} [data] - （可选）数据对象\r\n * @param {Boolean} [async] - (可选) 是否异步发布\r\n */\r\nconst emit = (topic, data, async = true) => {\r\n  const execute = (topic) => {\r\n    if (!_hasDirectSubscribersFor(topic)) {\r\n      return false\r\n    }\r\n\r\n    _subscribers[topic].forEach((subscriber) => {\r\n      // 针对 mqtt 消息服务返回的 Uint8Array 类似的 typed arrays 格式的数据\r\n      // 采用 toString() 方法转化为普通（JSON）字符串\r\n      const message = isTypedArray(data) ? data.toString() : data\r\n\r\n      subscriber.callback.call(subscriber.context || subscriber, message)\r\n    })\r\n  }\r\n  const deliver = () => {\r\n    let subscriber = topic\r\n    let position = topic.lastIndexOf('.')\r\n\r\n    while (position !== -1) {\r\n      subscriber = subscriber.substring(0, position)\r\n      position = subscriber.lastIndexOf('.')\r\n\r\n      execute(subscriber)\r\n    }\r\n\r\n    // 执行 topic 对应的处理器\r\n    execute(topic)\r\n    // 执行特殊 topic：'*'（监听全部消息的发布）\r\n    execute('*')\r\n  }\r\n\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (async) {\r\n    setTimeout(deliver, 10)\r\n  } else {\r\n    deliver()\r\n  }\r\n}\r\n\r\nexport default emit\r\n","import toString from '../lang/toString'\r\n/**\r\n * 判断检测数据是否为 Typed Arrays 类型的数据\r\n * ========================================================================\r\n * @param {*} val\r\n * @returns {boolean}\r\n */\r\nconst isTypedArray = (val) => {\r\n  const TYPES = [\r\n    '[object Int8Array]',\r\n    '[object Uint8Array]',\r\n    '[object Uint8ClampedArray]',\r\n    '[object Int16Array]',\r\n    '[object Uint16Array]',\r\n    '[object Int32Array]',\r\n    '[object Uint32Array]',\r\n    '[object Float32Array]',\r\n    '[object Float64Array]',\r\n    '[object BigInt64Array]',\r\n    '[object BigUint64Array]'\r\n  ]\r\n\r\n  return TYPES.indexOf(toString(val)) > -1\r\n}\r\n\r\nexport default isTypedArray\r\n","/**\r\n * 生成唯一 id 字符串的函数\r\n * ========================================================================\r\n * @method guid\r\n * @param {String} [prefix] - 生成 id 的前缀字符串\r\n * @return {String} 返回一个表示唯一 id 的字符串\r\n */\r\nconst guid = (() => {\r\n  let uuid = 0\r\n\r\n  return (prefix) => {\r\n    uuid += 1\r\n\r\n    return prefix ? prefix + '-' + uuid : 'guid-' + uuid\r\n  }\r\n})()\r\n\r\nexport default guid\r\n","import _subscribers from './_subscribers'\r\nimport hasOwn from '../lang/hasOwn'\r\n\r\n/**\r\n * 删除与给定 topic 相同的订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriber\r\n * @param {String} topic - （必须）订阅主题字符串\r\n * @returns {Boolean}\r\n */\r\nconst _removeSubscriber = (topic) => {\r\n  if (!hasOwn(_subscribers, topic)) {\r\n    return false\r\n  }\r\n\r\n  delete _subscribers[topic]\r\n}\r\n\r\nexport default _removeSubscriber\r\n","import has from './has'\r\nimport _removeSubscriber from './_removeSubscriber'\r\nimport _removeSubscriberByToken from './_removeSubscriberByToken'\r\n\r\n/**\r\n * 取消订阅主题\r\n * ========================================================================\r\n * @method off\r\n * @param {String} topic - （必须）订阅的主题\r\n * @param {Function|String} [token] - （可选）订阅主题的处理器函数或者唯一 Id 值\r\n */\r\nconst off = (topic, token) => {\r\n  if (!has(topic)) {\r\n    return false\r\n  }\r\n\r\n  if (token) {\r\n    _removeSubscriberByToken(token)\r\n  } else {\r\n    _removeSubscriber(topic)\r\n  }\r\n}\r\n\r\nexport default off\r\n","import _subscribers from './_subscribers'\r\nimport _removeSubscriber from './_removeSubscriber'\r\n\r\n/**\r\n * 通过订阅者 token 值删除订阅者信息\r\n * ========================================================================\r\n * @method _removeSubscriberByToken\r\n * @param {String} token - 订阅者 token 字符串\r\n * @returns {boolean}\r\n * @private\r\n */\r\nconst _removeSubscriberByToken = (token) => {\r\n  const keys = Object.keys(_subscribers)\r\n  let index = -1\r\n\r\n  if (!token || keys.length < 1) {\r\n    return false\r\n  }\r\n\r\n  keys.forEach((subject) => {\r\n    const subscriber = _subscribers[subject]\r\n    let topic\r\n\r\n    subscriber.forEach((execution, j) => {\r\n      if (execution.callback === token || execution.token === token) {\r\n        topic = execution.topic\r\n        subscriber.splice(index, j)\r\n      }\r\n    })\r\n\r\n    /* istanbul ignore else */\r\n    if (subscriber.length < 1) {\r\n      _removeSubscriber(topic)\r\n    }\r\n  })\r\n}\r\n\r\nexport default _removeSubscriberByToken\r\n","import 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  refresh() {\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    let attrs = this.attr()\r\n\r\n    if (options) {\r\n      attrs = this.attr(options)\r\n    }\r\n\r\n    this.destroy().initialize(attrs)\r\n\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'\r\nimport isFunction from '../types/isFunction'\r\nimport guid from '../lang/guid'\r\n\r\n/**\r\n * 订阅主题，并给出处理器函数\r\n * ========================================================================\r\n * @method on\r\n * @param {String} topic - （必须）主题名称\r\n * @param {Function} handler - （必须）主题的处理器函数\r\n * @param {Object} [context] - （可选）指定 this 执行上下文\r\n * @return {String} - 唯一的 token 字符串，例如：'guid-1'。\r\n */\r\nconst on = (topic, handler, context = null) => {\r\n  const token = guid()\r\n  let subject = typeof topic === 'symbol' ? topic.toString() : topic\r\n\r\n  if (!isFunction(handler)) {\r\n    return ''\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (!_subscribers[subject]) {\r\n    _subscribers[subject] = []\r\n  }\r\n\r\n  _subscribers[subject].push({\r\n    topic: subject,\r\n    callback: handler,\r\n    context,\r\n    token\r\n  })\r\n\r\n  return token\r\n}\r\n\r\nexport default on\r\n","/**\r\n * timeSlice.js 时间切片功能函数\r\n * ====================================================\r\n * Created By: Yaohaixiao\r\n * Update: 2023.09.04\r\n */\r\nimport isFunction from '../types/isFunction'\r\nimport later from './later'\r\n\r\nconst queue = []\r\nlet isHandling\r\nlet done\r\n\r\n// Shim from https://developers.google.com/web/updates/2015/08/using-requestidlecallback\r\nif (typeof window.requestIdleCallback === 'undefined') {\r\n  window.requestIdleCallback = function (cb) {\r\n    const start = Date.now()\r\n    return later(function () {\r\n      cb({\r\n        didTimeout: false,\r\n        timeRemaining: function () {\r\n          return Math.max(0, 50 - (Date.now() - start))\r\n        }\r\n      })\r\n    }, 10)\r\n  }\r\n\r\n  window.cancelIdleCallback = function (id) {\r\n    clearTimeout(id)\r\n  }\r\n}\r\n\r\nfunction runIdle(idleDeadline) {\r\n  while (idleDeadline.timeRemaining() > 0 && queue.length) {\r\n    const fn = queue.shift()\r\n\r\n    if (!isFunction(fn)) {\r\n      return false\r\n    }\r\n\r\n    fn()\r\n  }\r\n\r\n  if (queue.length) {\r\n    isHandling = requestIdleCallback(runIdle)\r\n  } else {\r\n    isHandling = 0\r\n\r\n    if (isFunction(done)) {\r\n      done()\r\n      done = null\r\n    }\r\n  }\r\n}\r\n\r\n/**\r\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\r\n * 多个短时间任务\r\n * ====================================================\r\n * @param {Function} fn - 需要在空闲时执行的回调函数\r\n * @param {Function} afterComplete - queen 的\r\n * @return {(function(): (boolean|undefined))|*|boolean}\r\n */\r\nconst timeSlice = (fn, afterComplete = null) => {\r\n  queue.push(fn)\r\n\r\n  if (isFunction(afterComplete)) {\r\n    done = afterComplete\r\n  }\r\n\r\n  if (!isHandling) {\r\n    requestIdleCallback(runIdle)\r\n  }\r\n}\r\n\r\nexport default timeSlice\r\n","/**\r\n * 获取 DOM 节点相对于窗口的 left （纵坐标）值\r\n * ========================================================================\r\n * @method offsetTop\r\n * @param {HTMLElement} el - DOM 节点\r\n * @returns {Number}\r\n */\r\nconst offsetTop = (el) => {\r\n  let top = el.offsetTop\r\n\r\n  if (el.offsetParent !== null) {\r\n    top += offsetTop(el.offsetParent)\r\n  }\r\n\r\n  return top\r\n}\r\n\r\nexport default offsetTop\r\n","/**\r\n * 获取 options 节点下匹配 selector 选择器的 DOM 节点\r\n * ========================================================================\r\n * Element.matches() 方法可以用来判断 DOM 元素是否与给定的选择器匹配，事件代理判断是\r\n * 否触发绑定的代理事件回调函数，关键就是使用 Element.matches() 辨别当前事件触发的目\r\n * 标 DOM 元素是否为事件代理所期望触发的目标。\r\n * ========================================================================\r\n * @method matches\r\n * @see https://developer.mozilla.org/en-US/docs/web/api/element/matches\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）匹配 DOM 元素的选择器\r\n * @returns {Boolean}\r\n */\r\nconst matches = (el, selector = '') => {\r\n  const sel = selector.replace(/^>/i, '')\r\n\r\n  if (!selector || !sel || !el) {\r\n    return false\r\n  }\r\n\r\n  /* istanbul ignore else */\r\n  if (el.matches) {\r\n    return el.matches(sel)\r\n  } else if (el.msMatchesSelector) {\r\n    return el.msMatchesSelector(sel)\r\n  } else {\r\n    return false\r\n  }\r\n}\r\n\r\nexport default matches\r\n","/**\r\n * 获取 DOM 元素的父节点\r\n * ========================================================================\r\n * @method getParentOrHost\r\n * @param {*|HTMLElement} el - （必须）要获取父节点的 DOM 元素\r\n * @returns {*|HTMLElement}\r\n */\r\nconst getParentOrHost = (el) => {\r\n  return el.host && el !== document && el.host.nodeType\r\n    ? el.host\r\n    : el.parentNode\r\n}\r\n\r\nexport default getParentOrHost\r\n","export const CAPTURE_EVENTS = [\r\n  'focusout',\r\n  'blur',\r\n  'focusin',\r\n  'focus',\r\n  'load',\r\n  'unload',\r\n  'mouseenter',\r\n  'mouseleave'\r\n]\r\n","import { CAPTURE_EVENTS } from './enum'\r\nimport _delete from './_delete'\r\n\r\n/**\r\n * （私有方法）取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method _off\r\n * @param {HTMLElement} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} fn - （必须）事件处理器回调函数\r\n * @private\r\n */\r\nconst _off = (el, type, fn) => {\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  /* istanbul ignore else */\r\n  if (fn._delegateListener) {\r\n    fn = fn._delegateListener\r\n    delete fn._delegateListener\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  _delete(el, type, fn)\r\n\r\n  el.removeEventListener(type, fn, capture)\r\n}\r\n\r\nexport default _off\r\n","/**\r\n * 删除 DOM 元素缓存的 _listeners 数据\r\n * ========================================================================\r\n * @method _delete\r\n * @param {HTMLElement} el - 要删除 listener 的 DOM 元素\r\n * @param {String} type - 事件类型（名称）\r\n * @param {Function} [fn] - 事件处理器回调函数\r\n */\r\nconst _delete = function (el, type, fn) {\r\n  const listeners = el._listeners\r\n  let index = -1\r\n\r\n  if (listeners.length < 1) {\r\n    return false\r\n  }\r\n\r\n  // 移除缓存的 _listeners 数据\r\n  listeners.forEach((listener, i) => {\r\n    const handler = listener.fn\r\n\r\n    if (type === listener.type) {\r\n      index = i\r\n\r\n      if (handler === fn) {\r\n        index = i\r\n      }\r\n    }\r\n  })\r\n\r\n  /* istanbul ignore else */\r\n  if (index > -1) {\r\n    listeners.splice(index, 1)\r\n  }\r\n}\r\n\r\nexport default _delete\r\n","import isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport getListeners from './getListeners'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 销毁（type 类型的）代理事件绑定\r\n * ========================================================================\r\n * 1. 设置了事件类型 type，则销毁指定类型的事件绑定，否则清除所有代理事件绑定\r\n * 2. recurse 设置为 true，递归销毁子节点全部事件绑定\r\n * ========================================================================\r\n * @method purgeElement\r\n * @param {HTMLElement|String} el - （必须）DOM 元素或者其选择器\r\n * @param {String|Boolean} type - （必须）事件类型\r\n * @param {Boolean} [recurse] - （可选）是否递归销毁子节点所有事件绑定\r\n */\r\nconst purgeElement = function (el, type, recurse = false) {\r\n  const $element = isString(el) ? document.querySelector(el) : el\r\n  const $children = $element.childNodes\r\n  const listeners = getListeners($element, type)\r\n\r\n  listeners.forEach((listener) => {\r\n    _off($element, listener.type, listener.fn)\r\n  })\r\n\r\n  if (\r\n    (recurse || type === true || arguments.length === 1) &&\r\n    $element &&\r\n    $children\r\n  ) {\r\n    $children.forEach(($child) => {\r\n      if (isElement($child)) {\r\n        purgeElement($child, type, recurse)\r\n      }\r\n    })\r\n  }\r\n}\r\n\r\nexport default purgeElement\r\n","import isString from '../types/isString'\r\n\r\n/**\r\n * 获取 DOM 元素（type 事件类型）事件绑定信息\r\n * ========================================================================\r\n * 如果设置了事件类型 type， 则返回指定类型的事件绑定信息，否则返回所有事件绑定信息\r\n * ========================================================================\r\n * @methods getListeners\r\n * @param {HTMLElement} el - （必须）要获取事件绑定信息的 DOM 元素\r\n * @param {String} [type] - （可选）事件类型\r\n * @returns {Array} - 已绑定的事件信息\r\n */\r\nconst getListeners = (el, type) => {\r\n  let listeners = el._listeners || []\r\n\r\n  if (isString(type) && type) {\r\n    listeners = listeners.filter((listener) => {\r\n      return listener.type === type\r\n    })\r\n  }\r\n\r\n  return listeners\r\n}\r\n\r\nexport default getListeners\r\n","import purgeElement from './purgeElement'\r\nimport isFunction from '../types/isFunction'\r\nimport _off from './_off'\r\n\r\n/**\r\n * 取消 type 类型的代理事件绑定\r\n * ========================================================================\r\n * 如果没有设置 handler，则销毁 this.$options 绑定的所有符合 type 事件类型的事件绑定\r\n * ========================================================================\r\n * @method off\r\n * @param {HTMLElement|Object} el - （必须）取消事件绑定的 DOM 元素\r\n * @param {String} type - （必须）事件类型\r\n * @param {Function} [fn] - （可选）事件处理器回调函数\r\n */\r\nconst off = (el, type, fn) => {\r\n  // 如果不设置 fn 参数，默认清除 el 元素上绑定的所有事件处理器\r\n  if (!isFunction(fn)) {\r\n    purgeElement(el, type)\r\n    return false\r\n  }\r\n\r\n  _off(el, type, fn)\r\n}\r\n\r\nexport default off\r\n","import closest from '../dom/closest'\r\nimport off from './off'\r\nimport getTarget from './getTarget'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定代理事件\r\n * ========================================================================\r\n * @method on\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String} selector - （必须）事件代理目标 DOM 元素的选择器\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （可选） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst on = (el, selector, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n\r\n  const listener = function (evt) {\r\n    const target = getTarget(evt)\r\n    // 通过 Element.matches 方法获得点击的目标元素\r\n    const delegateTarget = closest(target, selector, el)\r\n    let overrideContext = context || el\r\n\r\n    evt.delegateTarget = delegateTarget\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (delegateTarget) {\r\n      // 仅触发一次\r\n      /* istanbul ignore else */\r\n      if (once === true) {\r\n        off(el, type, listener)\r\n      }\r\n\r\n      fn.call(overrideContext, evt, data)\r\n    }\r\n  }\r\n\r\n  if (!el) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    selector,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default on\r\n","import resolveTextNode from '../dom/resolveTextNode'\r\n\r\n/**\r\n * 返回触发事件的 target DOM 元素\r\n * ========================================================================\r\n * @method getTarget\r\n * @param {Event} evt - Event 对象\r\n * @return {HTMLElement} - Event 对象的 target DOM 元素\r\n */\r\nconst getTarget = function (evt) {\r\n  const target = evt.target\r\n\r\n  return resolveTextNode(target)\r\n}\r\n\r\nexport default getTarget\r\n","/**\r\n * 在某些情况下，某些浏览器（例如：Safari 浏览器）会返回实际的目标元素内部的文本节点。\r\n * resolveTextNode() 方法则会返回实际的目标节点。\r\n * ========================================================================\r\n * @method resolveTextNode\r\n * @param {HTMLElement|Text} el - 要解析的节点\r\n * @return {*|HTMLElement} - 实际的目标 DOM 节点\r\n */\r\nconst resolveTextNode = function (el) {\r\n  if (el && el.nodeType === 3) {\r\n    return el.parentNode\r\n  }\r\n\r\n  return el\r\n}\r\n\r\nexport default resolveTextNode\r\n","import matches from './matches'\r\nimport getParentOrHost from './getParentOrHost'\r\n\r\n/**\r\n * 获取 options 元素父元素最近的包含 selector 选择器的元素\r\n * ========================================================================\r\n * @method closest\r\n * @param {HTMLElement} el - （必须）DOM 元素\r\n * @param {String} selector - （必须）DOM 元素的选择其\r\n * @param {HTMLElement} [ctx] - （必须）比对的 DOM 元素\r\n * @param {Boolean} [includeCTX] - （必须）是否包含 context DOM 元素\r\n * @returns {null|HTMLElement} - 返回最接近的 DOM 元素\r\n */\r\nconst closest = (el, selector, ctx, includeCTX) => {\r\n  const context = ctx || document\r\n\r\n  if (!el) {\r\n    return null\r\n  }\r\n\r\n  do {\r\n    /* istanbul ignore else */\r\n    if (\r\n      (selector != null &&\r\n        (selector.startsWith('>')\r\n          ? el.parentNode === context && matches(el, selector)\r\n          : matches(el, selector))) ||\r\n      (includeCTX && el === context)\r\n    ) {\r\n      return el\r\n    }\r\n\r\n    /* istanbul ignore else */\r\n    if (el === context) {\r\n      break\r\n    }\r\n\r\n    /* jshint boss:true */\r\n  } while ((el = getParentOrHost(el)))\r\n}\r\n\r\nexport default closest\r\n","/**\r\n * 停止事件（阻止默认行为和阻止事件的捕获或冒泡）\r\n * ========================================================================\r\n * @method stop\r\n * @param {Event} evt - 事件对象\r\n *\r\n * @example\r\n * <div id=\"nav\" class=\"nav\">\r\n *   <a id=\"service\" class=\"anchor\" href=\"https://www.yaohaixiao.com/serivce\">Service</a>\r\n *   <a id=\"help\" class=\"anchor\" href=\"https://www.yaohaixiao.com/help\">Help</a>\r\n * </div>\r\n *\r\n * const $nav = document.querySelector('#nav')\r\n * const $service = document.querySelector('.anchor')\r\n *\r\n * on($nav, 'click', function(evt) {\r\n *   console.log('你点击了导航栏')\r\n * })\r\n *\r\n * on($anchor, 'click', function(evt) {\r\n *   console.log('tagName', this.tagName)\r\n *\r\n *   // 工作台输出：'a'\r\n *   // 不会触发事件冒泡，输出：'你点击了导航栏'\r\n *   // 也不会切换到 href 属性的页面，阻止了点击链接的默认行为\r\n *   stopEvent(evt)\r\n * })\r\n */\r\nconst stop = function (evt) {\r\n  evt.stopPropagation()\r\n  evt.preventDefault()\r\n}\r\n\r\nexport default stop\r\n","import DEFAULTS from './defaults'\r\n\r\nconst SYMBOLS = [...DEFAULTS]\r\n\r\nexport default SYMBOLS\r\n","const DEFAULTS = [\r\n  '<symbol id=\"outline-icon-up\" viewBox=\"0 0 1024 1024\"><path d=\"M494.784 261.696c0.832-0.448 1.536-1.216 2.368-1.536a38.72 38.72 0 0 1 46.08 8.256l277.824 302.272a41.92 41.92 0 0 1-1.536 58.048 39.104 39.104 0 0 1-56.448-1.6L513.728 355.904 260.736 626.048a39.104 39.104 0 0 1-56.448 1.088 41.6 41.6 0 0 1-1.088-57.984L483.84 269.696c0.512-0.512 1.344-0.768 1.92-1.408l1.088-1.344c2.368-2.496 5.312-3.648 8-5.248z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-down\" viewBox=\"0 0 1024 1024\"><path d=\"M494.784 762.304c0.832 0.448 1.536 1.216 2.368 1.536 15.232 7.488 33.92 4.992 46.08-8.256l277.824-302.272a41.92 41.92 0 0 0-1.536-58.048 39.104 39.104 0 0 0-56.448 1.6l-249.344 271.232-252.992-270.144a39.104 39.104 0 0 0-56.448-1.088 41.6 41.6 0 0 0-1.088 57.984l280.576 299.456c0.512 0.512 1.344 0.768 1.92 1.408l1.088 1.344c2.368 2.496 5.312 3.648 8 5.248z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-menu\" viewBox=\"0 0 1024 1024\"><path d=\"M320 256h640V128H320zM320 576h640V448H320zM320 896h640v-128H320zM64 256h128V128H64zM64 576h128V448H64zM64 896h128v-128H64z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-file\" viewBox=\"0 0 1024 1024\"><path d=\"M320 640h256v128H320z\"></path><path d=\"M320 448h384v128H320z\"></path><path d=\"M640 0l320 320v557.696C960 958.528 909.824 1024 848 1024H176C114.176 1024 64 958.528 64 877.696V146.304C64 65.472 114.176 0 176 0H640z m0 128H192v768h640V320h-192V128z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-hash\" viewBox=\"0 0 24 24\"><path d=\"M14.216 10l-0.444 4h-3.988l0.444-4zM15.006 2.89l-0.568 5.11h-3.988l0.543-4.89c0.061-0.549-0.335-1.043-0.883-1.104s-1.043 0.335-1.104 0.884l-0.568 5.11h-4.438c-0.552 0-1 0.448-1 1s0.448 1 1 1h4.216l-0.444 4h-3.772c-0.552 0-1 0.448-1 1s0.448 1 1 1h3.549l-0.543 4.89c-0.061 0.549 0.335 1.043 0.883 1.104s1.043-0.335 1.104-0.883l0.569-5.111h3.988l-0.543 4.89c-0.061 0.549 0.335 1.043 0.883 1.104s1.043-0.335 1.104-0.883l0.568-5.111h4.438c0.552 0 1-0.448 1-1s-0.448-1-1-1h-4.216l0.444-4h3.772c0.552 0 1-0.448 1-1s-0.448-1-1-1h-3.549l0.543-4.89c0.061-0.549-0.335-1.043-0.883-1.104s-1.043 0.335-1.104 0.883z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-close\" viewBox=\"0 0 1024 1024\"><path d=\"M536.96 491.648L310.592 265.344a32 32 0 1 0-45.248 45.248L491.584 536.96l-226.304 226.304a32 32 0 0 0 45.312 45.248l226.24-226.304 226.304 226.304a32 32 0 0 0 45.248-45.248L582.144 536.896l226.304-226.24a32 32 0 0 0-45.248-45.248L536.896 491.584z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-homepage\" viewBox=\"0 0 26 28\"><path d=\"M22 15.5v7.5c0 0.547-0.453 1-1 1h-6v-6h-4v6h-6c-0.547 0-1-0.453-1-1v-7.5c0-0.031 0.016-0.063 0.016-0.094l8.984-7.406 8.984 7.406c0.016 0.031 0.016 0.063 0.016 0.094zM25.484 14.422l-0.969 1.156c-0.078 0.094-0.203 0.156-0.328 0.172h-0.047c-0.125 0-0.234-0.031-0.328-0.109l-10.813-9.016-10.813 9.016c-0.109 0.078-0.234 0.125-0.375 0.109-0.125-0.016-0.25-0.078-0.328-0.172l-0.969-1.156c-0.172-0.203-0.141-0.531 0.063-0.703l11.234-9.359c0.656-0.547 1.719-0.547 2.375 0l3.813 3.187v-3.047c0-0.281 0.219-0.5 0.5-0.5h3c0.281 0 0.5 0.219 0.5 0.5v6.375l3.422 2.844c0.203 0.172 0.234 0.5 0.063 0.703z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-github\" viewBox=\"0 0 24 28\"><path d=\"M12 2c6.625 0 12 5.375 12 12 0 5.297-3.437 9.797-8.203 11.391-0.609 0.109-0.828-0.266-0.828-0.578 0-0.391 0.016-1.687 0.016-3.297 0-1.125-0.375-1.844-0.812-2.219 2.672-0.297 5.484-1.313 5.484-5.922 0-1.313-0.469-2.375-1.234-3.219 0.125-0.313 0.531-1.531-0.125-3.187-1-0.313-3.297 1.234-3.297 1.234-0.953-0.266-1.984-0.406-3-0.406s-2.047 0.141-3 0.406c0 0-2.297-1.547-3.297-1.234-0.656 1.656-0.25 2.875-0.125 3.187-0.766 0.844-1.234 1.906-1.234 3.219 0 4.594 2.797 5.625 5.469 5.922-0.344 0.313-0.656 0.844-0.766 1.609-0.688 0.313-2.438 0.844-3.484-1-0.656-1.141-1.844-1.234-1.844-1.234-1.172-0.016-0.078 0.734-0.078 0.734 0.781 0.359 1.328 1.75 1.328 1.75 0.703 2.141 4.047 1.422 4.047 1.422 0 1 0.016 1.937 0.016 2.234 0 0.313-0.219 0.688-0.828 0.578-4.766-1.594-8.203-6.094-8.203-11.391 0-6.625 5.375-12 12-12zM4.547 19.234c0.031-0.063-0.016-0.141-0.109-0.187-0.094-0.031-0.172-0.016-0.203 0.031-0.031 0.063 0.016 0.141 0.109 0.187 0.078 0.047 0.172 0.031 0.203-0.031zM5.031 19.766c0.063-0.047 0.047-0.156-0.031-0.25-0.078-0.078-0.187-0.109-0.25-0.047-0.063 0.047-0.047 0.156 0.031 0.25 0.078 0.078 0.187 0.109 0.25 0.047zM5.5 20.469c0.078-0.063 0.078-0.187 0-0.297-0.063-0.109-0.187-0.156-0.266-0.094-0.078 0.047-0.078 0.172 0 0.281s0.203 0.156 0.266 0.109zM6.156 21.125c0.063-0.063 0.031-0.203-0.063-0.297-0.109-0.109-0.25-0.125-0.313-0.047-0.078 0.063-0.047 0.203 0.063 0.297 0.109 0.109 0.25 0.125 0.313 0.047zM7.047 21.516c0.031-0.094-0.063-0.203-0.203-0.25-0.125-0.031-0.266 0.016-0.297 0.109s0.063 0.203 0.203 0.234c0.125 0.047 0.266 0 0.297-0.094zM8.031 21.594c0-0.109-0.125-0.187-0.266-0.172-0.141 0-0.25 0.078-0.25 0.172 0 0.109 0.109 0.187 0.266 0.172 0.141 0 0.25-0.078 0.25-0.172zM8.937 21.438c-0.016-0.094-0.141-0.156-0.281-0.141-0.141 0.031-0.234 0.125-0.219 0.234 0.016 0.094 0.141 0.156 0.281 0.125s0.234-0.125 0.219-0.219z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-issues\" viewBox=\"0 0 24 28\"><path d=\"M25.5 15c0 0.547-0.453 1-1 1h-3.5c0 1.953-0.422 3.422-1.047 4.531l3.25 3.266c0.391 0.391 0.391 1.016 0 1.406-0.187 0.203-0.453 0.297-0.703 0.297s-0.516-0.094-0.703-0.297l-3.094-3.078s-2.047 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255.984001z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-warning\" viewBox=\"0 0 1024 1024\"><path d=\"M512 639.704018a95.994 95.994 0 0 1-95.994-95.994V95.994a95.994 95.994 0 0 1 191.988 0v447.716018a95.994 95.994 0 0 1-95.994 95.994z m0 128.375977A127.992 127.992 0 1 1 512 1023.936004a127.992 127.992 0 0 1 0-255.984001z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-error\" viewBox=\"0 0 1024 1024\"><path d=\"M512.64 376.96L263.744 128 128 263.744l248.96 248.96L128 761.472l135.744 135.808 248.96-248.96 248.832 248.96 135.808-135.808-248.96-248.896 248.96-248.896L761.536 128 512.64 376.96z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-success\" viewBox=\"0 0 1024 1024\"><path d=\"M426.368 580.864l-226.56-226.56L64 489.984l362.048 362.112 0.32-0.32 0.32 0.32 588.288-588.352L879.36 128 426.304 580.864z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-circle-info\" viewBox=\"0 0 1024 1024\"><path d=\"M512 810.666667s-42.666667 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1-1.536-45.248z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-circle-success\" viewBox=\"0 0 1024 1024\"><path d=\"M512 0C228.949333 0 0 228.949333 0 512s228.949333 512 512 512 512-228.949333 512-512S794.325333 0 512 0z m0 950.869333C269.909333 950.869333 73.130667 754.090667 73.130667 512 73.130667 269.909333 269.909333 73.130667 512 73.130667c242.090667 0 438.869333 196.778667 438.869333 438.869333 0 242.090667-196.778667 438.869333-438.869333 438.869333z\"></path><path d=\"M737.834667 353.834667a42.666667 42.666667 0 0 1 63.872 56.32l-3.541334 4.010666L486.997333 725.333333a85.333333 85.333333 0 0 1-115.242666 4.992L366.336 725.333333l-140.501333-140.501333a42.666667 42.666667 0 0 1 56.32-63.872l4.010666 3.541333L426.666667 665.002667l311.168-311.168z\"></path></symbol>',\r\n  '<symbol id=\"outline-icon-sound\" viewBox=\"0 0 16 16\"><path d=\"M12.757 4.708c-0.406 0.405-1.062 0.405-1.468 0s-0.405-1.062 0-1.468l2.935-2.935c0.406-0.405 1.062-0.405 1.468 0 0.405 0.405 0.405 1.062 0 1.468l-2.935 2.935zM7.996 15.991l-3.996-3.996h-2.997c-0.552 0-0.999-0.447-0.999-0.999v-5.994c0-0.552 0.447-0.999 0.999-0.999h2.997l3.996-3.996c0 0 0.999-0.125 0.999 0.999 0 5.976 0 14.966 0 13.985 0 1.124-0.999 0.999-0.999 0.999zM6.997 4.004l-1.998 1.998h-2.997v3.996h2.997l1.998 1.998v-7.992zM11.992 8.999c-0.552 0-0.999-0.447-0.999-0.999s0.447-0.999 0.999-0.999h2.997c0.552 0 0.999 0.447 0.999 0.999s-0.447 0.999-0.999 0.999h-2.997zM12.757 11.292l2.935 2.935c0.405 0.406 0.405 1.063 0 1.468s-1.062 0.405-1.468 0l-2.935-2.935c-0.405-0.406-0.405-1.063 0-1.468s1.062-0.405 1.468 0z\"></path></symbol>'\r\n]\r\n\r\nexport default DEFAULTS\r\n","import isString from '../types/isString'\r\nimport getSymbol from './getSymbol'\r\nimport SYMBOLS from './symbols'\r\n\r\n/**\r\n *\r\n * @method getSymbols\r\n * @param {String} [name]\r\n * @param {String} [iconSet]\r\n * @returns {string[]|*}\r\n */\r\nconst getSymbols = (name, iconSet = 'icon') => {\r\n  if (isString(name)) {\r\n    return getSymbol(name, iconSet)\r\n  }\r\n\r\n  return [...SYMBOLS]\r\n}\r\n\r\nexport default getSymbols\r\n","import SYMBOLS from './symbols'\r\n\r\n/**\r\n * @method getSymbol\r\n * @param {String} name\r\n * @param {String} [iconSet]\r\n * @returns {String}\r\n */\r\nconst getSymbol = (name, iconSet = 'icon') => {\r\n  const patternName = /id=\"(.*?)\"/\r\n  const patternSet = /^(\\w+)-/\r\n  const symbols = SYMBOLS\r\n\r\n  return symbols.find((symbol) => {\r\n    const names = patternName.exec(symbol)\r\n    const fullName = names[1]\r\n    const sets = patternSet.exec(fullName)\r\n    const setName = sets[1]\r\n    const iconName =\r\n      iconSet === 'icon' ? `${iconSet}-${name}` : `${iconSet}-icon-${name}`\r\n\r\n    return setName === iconSet && fullName === iconName\r\n  })\r\n}\r\n\r\nexport default getSymbol\r\n","import add from './add'\r\nimport getSymbols from './getSymbols'\r\n\r\n/**\r\n * 绘制 SVG 图标集\r\n * ========================================================================\r\n * @method paint\r\n * @param {String|Array} symbol\r\n */\r\nconst paint = (symbol = '') => {\r\n  const $body = document.body\r\n  let $icons = document.querySelector('#outline-icons')\r\n  let symbols = []\r\n\r\n  add(symbol)\r\n  symbols = getSymbols()\r\n\r\n  if ($icons) {\r\n    $icons.innerHTML = symbols.join('')\r\n  } else {\r\n    $icons = document.createElement('div')\r\n    $icons.innerHTML =\r\n      `<svg id=\"outline-icons\" aria-hidden=\"true\" style=\"position:absolute;display:none;width:0;height:0;overflow:hidden;\">` +\r\n      `${symbols.join('')}` +\r\n      `</svg>`\r\n    $body.insertBefore($icons.firstChild, $body.firstChild)\r\n  }\r\n}\r\n\r\nexport default paint\r\n","import isArray from '../types/isArray'\r\nimport isString from '../types/isString'\r\nimport SYMBOLS from './symbols'\r\n\r\n/**\r\n * @method add\r\n * @param {Array|String} symbols\r\n * @return {Boolean}\r\n */\r\nconst add = (symbols) => {\r\n  if (!symbols) {\r\n    return false\r\n  }\r\n\r\n  if (isArray(symbols) && symbols.length > 0) {\r\n    symbols.forEach((symbol) => {\r\n      /* istanbul ignore else */\r\n      if (SYMBOLS.indexOf(symbol) === -1 && isString(symbol)) {\r\n        SYMBOLS.push(symbol)\r\n      }\r\n    })\r\n  } else {\r\n    /* istanbul ignore else */\r\n    if (isString(symbols)) {\r\n      SYMBOLS.push(symbols)\r\n    }\r\n  }\r\n}\r\n\r\nexport default add\r\n","import isObject from './isObject'\r\nimport isElement from './isElement'\r\nimport isHTMLCollection from './isHTMLCollection'\r\nimport isFragment from './isFragment'\r\nimport isTextNode from './isTextNode'\r\n\r\nconst isDOM = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (isElement(el) || isHTMLCollection(el) || isFragment(el) || isTextNode(el))\r\n  )\r\n}\r\n\r\nexport default isDOM\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isHTMLCollection = (el) => {\r\n  return !!(isObject(el) && toString(el) === '[object NodeList]')\r\n}\r\n\r\nexport default isHTMLCollection\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isFragment = (fragment) => {\r\n  return !!(\r\n    isObject(fragment) && toString(fragment) === '[object DocumentFragment]'\r\n  )\r\n}\r\n\r\nexport default isFragment\r\n","import toString from '../lang/toString'\r\nimport isObject from './isObject'\r\n\r\nconst isTextNode = (el) => {\r\n  return !!(\r\n    isObject(el) &&\r\n    (toString(el) === '[object Text]' || (el.tagName && el.nodeType === 3))\r\n  )\r\n}\r\n\r\nexport default isTextNode\r\n","/**\r\n * 给 DOM 节点设置属性/值\r\n * ========================================================================\r\n * @method setAttribute\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} attr - 属性名称\r\n * @param {String|Number|Boolean} value - 属性值\r\n */\r\nconst setAttribute = (el, attr, value) => {\r\n  let tagName = el.tagName.toLowerCase()\r\n\r\n  switch (attr) {\r\n    case 'style':\r\n      el.style.cssText = value\r\n      break\r\n    case 'value':\r\n      if (tagName === 'input' || tagName === 'textarea') {\r\n        el.value = value\r\n      } else {\r\n        el.setAttribute(attr, value)\r\n      }\r\n      break\r\n    case 'htmlFor':\r\n      el.setAttribute('for', value)\r\n      break\r\n    case 'className':\r\n      el.className = value\r\n      break\r\n    case 'innerHTML':\r\n      el.innerHTML = value\r\n      break\r\n    case 'innerText':\r\n      el.innerText = value\r\n      break\r\n    default:\r\n      el.setAttribute(attr, value)\r\n      break\r\n  }\r\n}\r\n\r\nexport default setAttribute\r\n","import isObject from '../types/isObject'\r\nimport hasOwn from '../lang/hasOwn'\r\nimport setAttribute from './setAttribute'\r\n\r\nconst setAttributes = (el, attrs) => {\r\n  if (!el || !isObject(attrs)) {\r\n    return false\r\n  }\r\n\r\n  Object.keys(attrs).forEach((attr) => {\r\n    const value = attrs[attr]\r\n    if (hasOwn(attrs, attr)) {\r\n      setAttribute(el, attr, value)\r\n    }\r\n  })\r\n}\r\n\r\nexport default setAttributes\r\n","import isObject from '../types/isObject'\r\nimport isString from '../types/isString'\r\nimport isArray from '../types/isArray'\r\nimport isDOM from '../types/isDOM'\r\nimport setAttributes from './setAttributes'\r\n\r\n/**\r\n * 创建 DOM 节点，并添加属性和子节点\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} tagName - 标签名称\r\n * @param {Object|Array|HTMLElement|DocumentFragment|String} attrs - 属性对象或者子节点\r\n * @param {Array|HTMLElement|DocumentFragment|String} [children] - 子节点数组\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (tagName, attrs, children) => {\r\n  const $fragment = document.createDocumentFragment()\r\n  const $el = document.createElement(tagName)\r\n  const isValidChild = (child) => {\r\n    return isDOM(child) || isString(child)\r\n  }\r\n  const append = (child) => {\r\n    let $child\r\n\r\n    if (!isValidChild(child)) {\r\n      return false\r\n    }\r\n\r\n    if (isDOM(child)) {\r\n      $child = child\r\n    } else if (isString(child)) {\r\n      $child = document.createTextNode(child)\r\n    }\r\n\r\n    $fragment.appendChild($child)\r\n  }\r\n\r\n  if (isObject(attrs)) {\r\n    setAttributes($el, attrs)\r\n  } else if (isArray(attrs) && attrs.every((attr) => isValidChild(attr))) {\r\n    attrs.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else if (isDOM(attrs)) {\r\n    append(attrs)\r\n  } else if (isString(attrs)) {\r\n    append(document.createTextNode(attrs))\r\n  }\r\n\r\n  if (isArray(children)) {\r\n    children.forEach((child) => {\r\n      append(child)\r\n    })\r\n  } else {\r\n    append(children)\r\n  }\r\n\r\n  $el.appendChild($fragment)\r\n\r\n  return $el\r\n}\r\n\r\nexport default createElement\r\n","import isArray from '../types/isArray'\r\nimport isString from '../types/isString'\r\nimport isSVG from '../types/isSVG'\r\nimport setAttributes from '../dom/setAttributes'\r\n\r\n/**\r\n * 创建 SVG 图标 DOM 元素\r\n * ========================================================================\r\n * @method createElement\r\n * @param {String} name\r\n * @param {Object} [options]\r\n * @param {Number|Array} [options.size]\r\n * @param {String} [options.color]\r\n * @param {String} [options.iconSet]\r\n * @param {Object} [options.attrs]\r\n * @returns {HTMLElement}\r\n */\r\nconst createElement = (name, options = {}) => {\r\n  const ICON = 'outline-icon'\r\n  const size = options.size || 0\r\n  const color = options.color || ''\r\n  const iconSet = options.iconSet || ''\r\n  const width = isArray(size) ? size[0] : size\r\n  const height = isArray(size) ? size[1] : size\r\n  const defaultRules = size ? `width:${width}px;height:${height}px;` : ''\r\n  const cssRules = color ? defaultRules + `color:${color}` : defaultRules\r\n  const attrs = options.attrs || {}\r\n  const $icon = document.createElement('i')\r\n  let binds = ''\r\n  let svg = ''\r\n  let $svg\r\n\r\n  if (!isString(name)) {\r\n    return null\r\n  }\r\n\r\n  if (isSVG(name)) {\r\n    svg = name\r\n  } else {\r\n    binds =\r\n      iconSet && iconSet !== 'icon'\r\n        ? `xlink:href=\"#${iconSet}-icon-${name}\"`\r\n        : `xlink:href=\"#icon-${name}\"`\r\n    svg = `<svg><use ${binds}></use></svg>`\r\n  }\r\n\r\n  $icon.innerHTML = svg\r\n\r\n  if (attrs.className) {\r\n    attrs.className = `${ICON} ${attrs.className}`\r\n  } else {\r\n    attrs.className = ICON\r\n  }\r\n\r\n  setAttributes($icon, attrs)\r\n\r\n  $svg = $icon.querySelector('svg')\r\n  setAttributes($svg, {\r\n    'aria-hidden': true,\r\n    xmlns: 'http://www.w3.org/2000/svg',\r\n    class: 'outline-icon__svg',\r\n    width: 200,\r\n    height: 200,\r\n    style: cssRules\r\n  })\r\n\r\n  return $icon\r\n}\r\n\r\nexport default createElement\r\n","import isString from './isString'\r\n\r\nconst isSVG = (str) => {\r\n  const declaration = '(?:<\\\\?xml[^>]*>\\\\s*)?'\r\n  const doctype =\r\n    '(?:<\\\\!doctype svg[^>]*\\\\s*(?:\\\\[?(?:\\\\s*<![^>]*>\\\\s*)*\\\\]?)*[^>]*>\\\\s*)?'\r\n  const content = '<svg[^>]*>[^]*<\\\\/svg>\\\\s*$'\r\n  const svg = `^\\\\s*${declaration}${doctype}${content}\\\\s*$`\r\n  const pattern = new RegExp(svg, 'i')\r\n\r\n  return isString(str) && pattern.test(str)\r\n}\r\n\r\nexport default isSVG\r\n","import createElement from './createElement'\r\n\r\n/**\r\n * 创建 SVG 图标 DOM 元素\r\n * ========================================================================\r\n * @method icon\r\n * @alias createElement\r\n * @see createElement\r\n * @param {String} name\r\n * @param {Object} [options]\r\n * @param {Number|Array} [options.size]\r\n * @param {String} [options.color]\r\n * @param {String} [options.iconSet]\r\n * @returns {HTMLElement}\r\n */\r\nconst icon = (name, options = {}) => {\r\n  return createElement(name, options)\r\n}\r\n\r\nexport default icon\r\n","import trim from '../lang/trim'\r\nimport hasClass from './hasClass'\r\n\r\n/**\r\n * 移除 DOM 节点的 className 样式\r\n * ========================================================================\r\n * @method removeClass\r\n * @param {HTMLElement} el - DOM 节点\r\n * @param {String} className - 样式名称\r\n * @returns {Boolean}\r\n */\r\nconst removeClass = (el, className) => {\r\n  let allClass = el.className\r\n  let classList\r\n\r\n  if (!allClass || !hasClass(el, className)) {\r\n    return false\r\n  }\r\n\r\n  classList = el.classList\r\n\r\n  if (classList?.remove) {\r\n    classList.remove(className)\r\n  } else {\r\n    allClass = trim(allClass.replace(className, ''))\r\n    el.className = allClass\r\n  }\r\n}\r\n\r\nexport default removeClass\r\n","import removeClass from './utils/dom/removeClass'\r\nimport isEmpty from './utils/types/isEmpty'\r\nimport trim from './utils/lang/trim'\r\n\r\nconst _removeHeading = ($heading, hasAnchor = true, isAtStart = true) => {\r\n  const CLS_HEADING = 'outline-heading'\r\n  const text = $heading.innerHTML\r\n  const pattern = /^\\d+(\\.?\\d+)*\\s?/gi\r\n  let $anchor\r\n\r\n  $heading.innerHTML = text.replace(pattern, '')\r\n  $heading.removeAttribute('id')\r\n  $heading.removeAttribute('data-id')\r\n\r\n  removeClass($heading, CLS_HEADING)\r\n\r\n  if (!hasAnchor) {\r\n    return false\r\n  }\r\n\r\n  $anchor = $heading.querySelector(`.${CLS_HEADING}__anchor`)\r\n\r\n  if (isAtStart) {\r\n    removeClass($heading, `${CLS_HEADING}_start`)\r\n  }\r\n\r\n  if (isEmpty(trim($heading.className))) {\r\n    $heading.removeAttribute('class')\r\n  }\r\n\r\n  // 存在锚点才移除\r\n  if ($anchor) {\r\n    $heading.removeChild($anchor)\r\n  }\r\n}\r\n\r\nexport default _removeHeading\r\n","import isString from './isString'\r\n/**\r\n * 检测数据是否为空字符串\r\n * ========================================================================\r\n * @method isEmpty\r\n * @param {String} str\r\n * @returns {boolean}\r\n */\r\nconst isEmpty = (str) => {\r\n  return isString(str) && str === ''\r\n}\r\n\r\nexport default isEmpty\r\n","import isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport timeSlice from './utils/lang/timeSlice'\r\nimport later from './utils/lang/later'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport paint from './utils/icons/paint'\r\n\r\nimport _updateHeading from './_updateHeading'\r\nimport _removeHeading from './_removeHeading'\r\nimport getChapters from './getChapters'\r\n\r\nimport Base from './base'\r\n\r\nclass Anchors extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Anchors.DEFAULTS)\r\n\r\n    this.$articleElement = null\r\n    this.$scrollElement = null\r\n    this.$headings = []\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let scrollElement\r\n    let $articleElement\r\n    let articleElement\r\n\r\n    this.attr(options)\r\n\r\n    articleElement = this.attr('articleElement')\r\n    scrollElement = this.attr('scrollElement')\r\n    created = this.attr('created')\r\n\r\n    if (isString(articleElement)) {\r\n      $articleElement = document.querySelector(articleElement)\r\n    } else if (isElement(articleElement)) {\r\n      $articleElement = articleElement\r\n    }\r\n\r\n    if (!$articleElement) {\r\n      return this\r\n    }\r\n\r\n    this.$articleElement = $articleElement\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n    this.$headings = this.getHeadings()\r\n\r\n    if (this.$headings.length < 1) {\r\n      return this\r\n    }\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  getHeadings() {\r\n    const $articleElement = this.$articleElement\r\n    const selector = this.attr('selector')\r\n\r\n    return [...$articleElement.querySelectorAll(selector)]\r\n  }\r\n\r\n  count() {\r\n    return this.getHeadings().length\r\n  }\r\n\r\n  render() {\r\n    const articleElement = this.attr('articleElement')\r\n    const selector = this.attr('selector')\r\n    const showCode = this.attr('showCode') || true\r\n    const chapterTextFilter = this.attr('chapterTextFilter')\r\n    const mounted = this.attr('mounted')\r\n    const chapters = getChapters({\r\n      articleElement,\r\n      selector,\r\n      showCode,\r\n      chapterTextFilter\r\n    })\r\n\r\n    paint()\r\n\r\n    this._paint(chapters)\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this._remove()\r\n\r\n    return this\r\n  }\r\n\r\n  _paint(chapters) {\r\n    const LIMIT = 400\r\n    const hasAnchor = this.attr('hasAnchor')\r\n    const isAtStart = this.attr('isAtStart')\r\n    const showCode = this.attr('showCode')\r\n    const anchorURL = this.attr('anchorURL')\r\n    const count = this.count()\r\n    const $headings = [...this.$headings]\r\n    const update = (headings, group) => {\r\n      headings.forEach(($heading, i) => {\r\n        const id = i + group * LIMIT\r\n        const chapterCode = chapters[id].code\r\n        _updateHeading($heading, id, {\r\n          hasAnchor,\r\n          isAtStart,\r\n          showCode,\r\n          chapterCode,\r\n          anchorURL\r\n        })\r\n      })\r\n    }\r\n    let groupIndex = -1\r\n\r\n    // 针对超长的文章，进行 timeSlice 处理\r\n    if (count > LIMIT) {\r\n      groupIndex += 1\r\n      // 同步绘制 Limit 以内的标题链接（可以确保 50ms 完成绘制）\r\n      update($headings.splice(0, LIMIT), 0)\r\n      // 采用 timeSlice 处理机制绘制剩余的标题\r\n      while ($headings.length > 0) {\r\n        const once = $headings.splice(0, LIMIT)\r\n        timeSlice(\r\n          () => {\r\n            update(once, (groupIndex += 1))\r\n          },\r\n          () => {\r\n            this.$emit('anchors:all:paint')\r\n          }\r\n        )\r\n      }\r\n    } else {\r\n      update($headings, 0)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    const hasAnchor = this.attr('hasAnchor')\r\n    const isAtStart = this.attr('isAtStart')\r\n    const $headings = this.$headings\r\n\r\n    $headings.forEach(($heading) => {\r\n      _removeHeading($heading, hasAnchor, isAtStart)\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  refresh(chapters) {\r\n    const articleElement = this.attr('articleElement')\r\n    const selector = this.attr('selector')\r\n    const showCode = this.attr('showCode') || true\r\n    const chapterTextFilter = this.attr('chapterTextFilter')\r\n\r\n    this.$headings = this.getHeadings()\r\n\r\n    this.erase()._paint(\r\n      chapters ||\r\n        getChapters({\r\n          articleElement,\r\n          selector,\r\n          showCode,\r\n          chapterTextFilter\r\n        })\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onAnchorTrigger(evt) {\r\n    const anchorURL = this.attr('anchorURL')\r\n    const afterScroll = this.attr('afterScroll')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const $heading = $anchor.parentNode\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const $scrollElement = this.$scrollElement\r\n    const min = 0\r\n    const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this, 'anchor')\r\n      }\r\n\r\n      later(() => {\r\n        this.$emit('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.scrollTo(top, after)\r\n\r\n    if (!anchorURL) {\r\n      stop(evt)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $articleElement = this.$articleElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    on(\r\n      $articleElement,\r\n      '.outline-heading__anchor',\r\n      'click',\r\n      this.onAnchorTrigger,\r\n      this,\r\n      true\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $articleElement = this.$articleElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    off($articleElement, 'click', this.onAnchorTrigger)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nAnchors.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    scrollElement: 'html,body',\r\n    articleElement: '#article',\r\n    selector: 'h1,h2,h3,h4,h5,h6',\r\n    stickyHeight: 0,\r\n    anchorURL: '',\r\n    hasAnchor: true,\r\n    isAtStart: true,\r\n    showCode: false,\r\n    created: null,\r\n    mounted: null,\r\n    afterScroll: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null,\r\n    chapterTextFilter: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Anchors\r\n","import trim from './utils/lang/trim'\r\nimport createElement from './utils/dom/createElement'\r\nimport setAttributes from './utils/dom/setAttributes'\r\n\r\nimport icon from './utils/icons/icon'\r\n\r\nconst _updateHeading = ($heading, i, options) => {\r\n  const CLS_HEADING = 'outline-heading'\r\n  const hasAnchor = options.hasAnchor || true\r\n  const isAtStart = options.isAtStart || true\r\n  const showCode = options.showCode || false\r\n  const chapterCode = options.chapterCode || ''\r\n  const anchorURL = options.anchorURL || ''\r\n  const headingId = `heading-${i}`\r\n  const attrs = {\r\n    id: headingId,\r\n    className: isAtStart ? `${CLS_HEADING} ${CLS_HEADING}_start` : CLS_HEADING,\r\n    'data-id': i\r\n  }\r\n  const text = trim($heading.innerHTML)\r\n  let $anchor\r\n  let $icon\r\n\r\n  if (showCode) {\r\n    attrs.innerHTML = chapterCode + ' ' + text\r\n    attrs['data-code'] = chapterCode\r\n  }\r\n  setAttributes($heading, attrs)\r\n\r\n  if (!hasAnchor) {\r\n    return false\r\n  }\r\n\r\n  $icon = icon('hash', { iconSet: 'outline' })\r\n  $anchor = createElement(\r\n    'a',\r\n    {\r\n      id: `anchor-${i}`,\r\n      className: `${CLS_HEADING}__anchor anchor-${i}`,\r\n      href: anchorURL || `#${headingId}`,\r\n      target: anchorURL ? '_blank' : 'self',\r\n      'data-id': i\r\n    },\r\n    $icon\r\n  )\r\n  $heading.appendChild($anchor)\r\n}\r\n\r\nexport default _updateHeading\r\n","// HTML 合法的标签\r\nconst TAGS = [\r\n  'a',\r\n  'abbr',\r\n  'address',\r\n  'area',\r\n  'article',\r\n  'aside',\r\n  'audio',\r\n  'b',\r\n  'base',\r\n  'bdi',\r\n  'bdo',\r\n  'blockquote',\r\n  'body',\r\n  'br',\r\n  'button',\r\n  'canvas',\r\n  'caption',\r\n  'cite',\r\n  'code',\r\n  'col',\r\n  'colgroup',\r\n  'data',\r\n  'datalist',\r\n  'dd',\r\n  'del',\r\n  'details',\r\n  'dfn',\r\n  'dialog',\r\n  'div',\r\n  'dl',\r\n  'dt',\r\n  'em',\r\n  'embed',\r\n  'fieldset',\r\n  'figcaption',\r\n  'figure',\r\n  'footer',\r\n  'form',\r\n  'h1',\r\n  'h2',\r\n  'h3',\r\n  'h4',\r\n  'h5',\r\n  'h6',\r\n  'head',\r\n  'header',\r\n  'hgroup',\r\n  'hr',\r\n  'html',\r\n  'i',\r\n  'iframe',\r\n  'img',\r\n  'input',\r\n  'ins',\r\n  'kbd',\r\n  'label',\r\n  'legend',\r\n  'li',\r\n  'link',\r\n  'main',\r\n  'map',\r\n  'mark',\r\n  'math',\r\n  'menu',\r\n  'menuitem',\r\n  'meta',\r\n  'meter',\r\n  'nav',\r\n  'noscript',\r\n  'object',\r\n  'ol',\r\n  'optgroup',\r\n  'option',\r\n  'output',\r\n  'p',\r\n  'param',\r\n  'picture',\r\n  'pre',\r\n  'progress',\r\n  'q',\r\n  'rb',\r\n  'rp',\r\n  'rt',\r\n  'rtc',\r\n  'ruby',\r\n  's',\r\n  'samp',\r\n  'script',\r\n  'search',\r\n  'section',\r\n  'select',\r\n  'slot',\r\n  'small',\r\n  'source',\r\n  'span',\r\n  'strong',\r\n  'style',\r\n  'sub',\r\n  'summary',\r\n  'sup',\r\n  'svg',\r\n  'table',\r\n  'tbody',\r\n  'td',\r\n  'template',\r\n  'textarea',\r\n  'tfoot',\r\n  'th',\r\n  'thead',\r\n  'time',\r\n  'title',\r\n  'tr',\r\n  'track',\r\n  'u',\r\n  'ul',\r\n  'var',\r\n  'video',\r\n  'wbr'\r\n]\r\n\r\nexport default TAGS\r\n","import isString from './isString'\r\nimport trim from '../lang/trim'\r\nimport TAGS from './tags'\r\n\r\n/**\r\n * 检测测试数据是否为合法的 HTML 代码\r\n * ========================================================================\r\n * @method isHTML\r\n * @category Lang\r\n * @see https://github.com/sindresorhus/html-tags\r\n * @see https://github.com/sindresorhus/is-html\r\n * @param {String} str - 要检测的数据\r\n * @returns {Boolean} 'val' 为合法的 HTML 代码，返回 true，否则返回 false\r\n */\r\nconst isHTML = (str) => {\r\n  let html\r\n  let basic\r\n  let full\r\n\r\n  if (!isString(str)) {\r\n    return false\r\n  }\r\n\r\n  // 为了提高性能，我们将其限制在合理的长度内。\r\n  html = trim(str).slice(0, 1000)\r\n  basic = /\\s*<!doctype html>|<html\\b[^>]*>|<body\\b[^>]*>|<x-[^>]+>/i\r\n  full = new RegExp(TAGS.map((tag) => `<${tag}\\\\b[^>]*>`).join('|'), 'i')\r\n\r\n  return basic.test(html) || full.test(html)\r\n}\r\n\r\nexport default isHTML\r\n","/**\r\n * 移除字符串中的 JavaScript 代码\r\n * ====================================================\r\n * @param {String} str\r\n * @returns {String}\r\n */\r\nconst stripScripts = (str) => {\r\n  return str.replace(/<script[^>]*>.*?<\\/script>/gi, '')\r\n}\r\n\r\nexport default stripScripts\r\n","const setProperty = (prop, value) => {\r\n  const documentElement = document.documentElement\r\n  documentElement.style.setProperty(prop, value)\r\n}\r\n\r\nexport default setProperty\r\n","import setProperty from './utils/dom/setProperty'\r\n\r\nlet index = 2000\r\n\r\nconst zIndex = (idx) => {\r\n  if (idx) {\r\n    index = idx\r\n  } else {\r\n    index += 1\r\n  }\r\n\r\n  setProperty('--outline-zIndex', `${index}`)\r\n\r\n  return index\r\n}\r\n\r\nexport default zIndex\r\n","import Base from './base'\r\n\r\nimport later from './utils/lang/later'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isDOM from './utils/types/isDOM'\r\nimport isHTML from './utils/types/isHTML'\r\nimport addClass from './utils/dom/addClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport html from './utils/dom/html'\r\nimport createElement from './utils/dom/createElement'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\n\r\nimport paint from './utils/icons/paint'\r\nimport icon from './utils/icons/icon'\r\nimport zIndex from './zIndex'\r\n\r\nclass Drawer extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    this.zIndex = 0\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Drawer.DEFAULTS)\r\n    this.title = ''\r\n    this.closed = false\r\n\r\n    this.$el = null\r\n    this.$modal = null\r\n    this.$header = null\r\n    this.$title = null\r\n    this.$close = null\r\n    this.$main = null\r\n    this.$footer = null\r\n    this.$overlay = null\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n\r\n    this.attr(options)\r\n\r\n    this.title = this.attr('title')\r\n    created = this.attr('created')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n    return this\r\n  }\r\n\r\n  setTitle(title) {\r\n    this.attr('title', title)\r\n    this.title = title\r\n    this.$title.innerHTML = title\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const size = this.attr('size')\r\n    const placement = this.attr('placement')\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const hasOffset = this.attr('hasOffset')\r\n    const hasPadding = this.attr('hasPadding')\r\n    const autoHeight = this.attr('autoHeight')\r\n    const customClass = this.attr('customClass')\r\n    let $el\r\n    let $modal\r\n    let $header\r\n    let $title\r\n    let $close\r\n    let $main\r\n    let $footer\r\n    let $overlay\r\n\r\n    paint()\r\n    this.zIndex = zIndex()\r\n\r\n    $title = createElement(\r\n      'h2',\r\n      {\r\n        className: 'outline-drawer__title'\r\n      },\r\n      this.title\r\n    )\r\n    this.$title = $title\r\n\r\n    if (hasClose) {\r\n      $close = createElement(\r\n        'div',\r\n        {\r\n          className: 'outline-drawer__close'\r\n        },\r\n        icon('close', { iconSet: 'outline', size: 20 })\r\n      )\r\n      this.$close = $close\r\n    }\r\n\r\n    $header = createElement(\r\n      'header',\r\n      {\r\n        className: 'outline-drawer__header'\r\n      },\r\n      [$title, $close]\r\n    )\r\n    this.$header = $header\r\n\r\n    $main = createElement('div', {\r\n      className: 'outline-drawer__main'\r\n    })\r\n    this.$main = $main\r\n\r\n    if (!hasPadding) {\r\n      addClass($main, 'outline-drawer_full')\r\n    }\r\n\r\n    $footer = createElement('footer', {\r\n      className: 'outline-drawer__footer'\r\n    })\r\n    this.$footer = $footer\r\n\r\n    $modal = createElement(\r\n      'div',\r\n      {\r\n        className: `outline-drawer__modal outline-drawer_${placement} outline-drawer_${size} outline-drawer_closed`\r\n      },\r\n      [$header, $main, $footer]\r\n    )\r\n    this.$modal = $modal\r\n\r\n    if (hasOffset) {\r\n      addClass($modal, 'outline-drawer_offset')\r\n    }\r\n\r\n    if (autoHeight) {\r\n      addClass($modal, 'outline-drawer_auto')\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($modal, customClass)\r\n    }\r\n\r\n    if (hasOverlay) {\r\n      $overlay = createElement('div', {\r\n        className: 'outline-drawer__overlay'\r\n      })\r\n      this.$overlay = $overlay\r\n    }\r\n\r\n    $el = createElement(\r\n      'div',\r\n      {\r\n        className: `outline-drawer`\r\n      },\r\n      [$modal, $overlay]\r\n    )\r\n    this.$el = $el\r\n    document.body.appendChild($el)\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$main.innerHTML = ''\r\n    return this\r\n  }\r\n\r\n  _paint(content) {\r\n    let $content = null\r\n\r\n    if (isFunction(content)) {\r\n      $content = content()\r\n    } else if (isDOM(content)) {\r\n      $content = content\r\n    } else if (isHTML(content)) {\r\n      $content = html(content)\r\n    }\r\n\r\n    if ($content) {\r\n      this.$main.appendChild($content)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    document.body.removeChild(this.$el)\r\n    return this\r\n  }\r\n\r\n  refresh(content) {\r\n    this.erase()._paint(content)\r\n    return this\r\n  }\r\n\r\n  open() {\r\n    const opened = this.attr('afterOpened')\r\n    const $modal = this.$modal\r\n\r\n    addClass(this.$el, 'outline-drawer_opened')\r\n    removeClass($modal, 'outline-drawer_closed')\r\n    addClass($modal, 'outline-drawer_opened')\r\n\r\n    later(() => {\r\n      this.closed = false\r\n\r\n      if (isFunction(opened)) {\r\n        opened.call(this)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  close() {\r\n    const closed = this.attr('afterClosed')\r\n    const $modal = this.$modal\r\n\r\n    removeClass($modal, 'outline-drawer_opened')\r\n    addClass($modal, 'outline-drawer_closed')\r\n\r\n    later(() => {\r\n      removeClass(this.$el, 'outline-drawer_opened')\r\n      this.closed = true\r\n\r\n      if (isFunction(closed)) {\r\n        closed.call(this)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const closed = this.isClosed()\r\n\r\n    if (closed) {\r\n      this.open()\r\n    } else {\r\n      this.close()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        afterToggle.call(this, closed)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const afterDestroy = this.attr('afterDestroy')\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    let index = this.zIndex\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    index -= 1\r\n    zIndex(index)\r\n    this.zIndex = 0\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onClose() {\r\n    this.close()\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const closeOnClickModal = this.attr('closeOnClickModal')\r\n    const $el = this.$el\r\n\r\n    if (hasClose) {\r\n      on($el, '.outline-drawer__close', 'click', this.onClose, this, true)\r\n    }\r\n\r\n    if (hasOverlay && closeOnClickModal) {\r\n      on($el, '.outline-drawer__overlay', 'click', this.onClose, this, true)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const hasClose = this.attr('hasClose')\r\n    const hasOverlay = this.attr('hasOverlay')\r\n    const $el = this.$el\r\n\r\n    if (!hasClose && !hasOverlay) {\r\n      return this\r\n    }\r\n\r\n    off($el, 'click', this.onClose)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nDrawer.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    placement: 'rtl',\r\n    title: '标题',\r\n    size: 'regular',\r\n    hasClose: true,\r\n    hasOverlay: true,\r\n    hasOffset: false,\r\n    hasPadding: true,\r\n    autoHeight: true,\r\n    closeOnClickModal: true,\r\n    created: null,\r\n    mounted: null,\r\n    afterClosed: null,\r\n    afterOpened: null,\r\n    afterScroll: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null,\r\n    afterToggle: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Drawer\r\n","import isHTML from '../types/isHTML'\r\nimport isString from '../types/isString'\r\nimport isElement from '../types/isElement'\r\nimport stripScripts from '../lang/stripScripts'\r\nimport createElement from './createElement'\r\n\r\n/**\r\n * 获取或者设置 DOM 元素的 innerHTML 属性值，或者通过 HTML 字符串，创建 DOM 元素\r\n * ========================================================================\r\n * @method html\r\n * @param {HTMLElement|String} el\r\n * @param {String} [strHTML]\r\n * @return {DocumentFragment|null|*}\r\n */\r\nconst html = (el, strHTML) => {\r\n  const $fragment = document.createDocumentFragment()\r\n\r\n  if (!el || (!isHTML(el) && !isString(el) && !isElement(el))) {\r\n    return null\r\n  }\r\n\r\n  if (isHTML(el)) {\r\n    const template = createElement('div')\r\n    let children = []\r\n\r\n    template.innerHTML = stripScripts(el)\r\n    children = [...template.childNodes]\r\n    children.forEach((child) => {\r\n      $fragment.appendChild(child)\r\n    })\r\n\r\n    return $fragment\r\n  } else if (isString(strHTML)) {\r\n    el.innerHTML = stripScripts(strHTML)\r\n  } else {\r\n    return el.innerHTML\r\n  }\r\n}\r\n\r\nexport default html\r\n","import isFunction from '../types/isFunction'\r\nimport off from './off'\r\n\r\nimport { CAPTURE_EVENTS } from './enum'\r\n\r\n/**\r\n * 绑定事件\r\n * ========================================================================\r\n * @method at\r\n * @param {HTMLElement|String|Object} el - （必须）绑定代理事件的 DOM 节点\r\n * @param {String|Function} type - （必须）事件类型或者事件处理器回调函数\r\n * @param {Function|Object} fn - （必须） 事件处理器回调函数或者传递给事件处理器回调函数的数据对象\r\n * @param {Object|Boolean} [data] - （可选）传递给事件处理器回调函数的数据对象或者事件处理器回调函数的 this 上下文指向，\r\n * @param {Object|Boolean} [context] - （可选）事件处理器回调函数的 this 上下文指向，或者是否仅触发一次\r\n * 当设置为 true 时，则事件处理器回调函数的 this 上下文指向为 data 对象\r\n * @param {Boolean} once - （可选）是否仅触发一次\r\n */\r\nconst at = (el, type, fn, data, context, once = false) => {\r\n  // CAPTURE_EVENTS 中的特殊事件，采用事件捕获模型\r\n  const capture = CAPTURE_EVENTS.indexOf(type) > -1\r\n  const listener = function (evt) {\r\n    let overrideContext = context || el\r\n\r\n    // 当设置为 true 时，则事件处理器回调函数的\r\n    // this 上下文指向为 data 对象\r\n    if (context === true) {\r\n      overrideContext = data\r\n    }\r\n\r\n    // 仅触发一次\r\n    /* istanbul ignore else */\r\n    if (once === true) {\r\n      off(el, type, listener)\r\n    }\r\n\r\n    fn.call(overrideContext, evt, data)\r\n  }\r\n\r\n  if (!isFunction(fn)) {\r\n    return false\r\n  }\r\n\r\n  if (!el._listeners) {\r\n    el._listeners = []\r\n  }\r\n\r\n  // 缓存 options 元素绑定的事件处理器\r\n  el._listeners.push({\r\n    el,\r\n    type,\r\n    fn: listener,\r\n    data,\r\n    context,\r\n    capture\r\n  })\r\n\r\n  // 缓存包装后的事件处理器\r\n  fn._delegateListener = listener\r\n\r\n  el.addEventListener(type, listener, capture)\r\n}\r\n\r\nexport default at\r\n","/**\r\n * 获取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 isElement from '../types/isElement'\r\n\r\n/**\r\n * 检测某个 DOM 节点的位置是否在另个一个 DOM 节点范围内\r\n * ========================================================================\r\n * @method inBounding\r\n * @param {HTMLElement} child\r\n * @param {HTMLElement} parent\r\n * @return {Boolean}\r\n */\r\nconst inBounding = (child, parent) => {\r\n  let parentRect\r\n  let childRect\r\n\r\n  if (!isElement(child) || !isElement(parent)) {\r\n    return false\r\n  }\r\n\r\n  parentRect = parent.getBoundingClientRect()\r\n  childRect = child.getBoundingClientRect()\r\n\r\n  return (\r\n    childRect.top >= parentRect.top &&\r\n    childRect.right <= parentRect.right &&\r\n    childRect.bottom <= parentRect.bottom &&\r\n    childRect.left >= parentRect.left\r\n  )\r\n}\r\n\r\nexport default inBounding\r\n","import isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport later from './utils/lang/later'\r\nimport at from './utils/event/at'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport createElement from './utils/dom/createElement'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport addClass from './utils/dom/addClass'\r\nimport intersection from './utils/dom/intersection'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport getStyle from './utils/dom/getStyle'\r\nimport setProperty from './utils/dom/setProperty'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\n\r\nimport _paintChapters from './_paintChapters'\r\nimport inBounding from './utils/dom/inBounding'\r\n\r\nimport Base from './base'\r\n\r\nclass Navigator extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    this.scrollTimer = null\r\n    this.resizeTimer = null\r\n    this.observerTimer = null\r\n    this.Observer = null\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Navigator.DEFAULTS)\r\n\r\n    this.$el = null\r\n    this.$title = null\r\n    this.$main = null\r\n    this.$list = null\r\n    this.$placeholder = null\r\n    this.$parentElement = null\r\n    this.$scrollElement = null\r\n    this.$active = null\r\n\r\n    this.chapters = []\r\n    this.active = 0\r\n    this.offsetWidth = 0\r\n    this.offsetTop = 0\r\n    this.playing = false\r\n    this.closed = false\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n    let parentElement\r\n    let scrollElement\r\n    let $parent\r\n\r\n    this.attr(options)\r\n\r\n    created = this.attr('created')\r\n    parentElement = this.attr('parentElement')\r\n    scrollElement = this.attr('scrollElement')\r\n\r\n    if (isString(parentElement)) {\r\n      $parent = document.querySelector(parentElement)\r\n    } else if (isElement(parentElement)) {\r\n      $parent = parentElement\r\n    }\r\n    this.$parentElement = $parent\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n\r\n    this.chapters = this.attr('chapters')\r\n    this.closed = this.attr('closed')\r\n    this.active = this.attr('active')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    if (this.chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    this.$active = document.querySelector(`#chapter-${this.active}`)\r\n\r\n    return this\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  isSticky() {\r\n    const position = this.attr('position')\r\n    return position === 'sticky'\r\n  }\r\n\r\n  isFixed() {\r\n    const position = this.attr('position')\r\n    return position === 'fixed'\r\n  }\r\n\r\n  isInside() {\r\n    return this.isFixed() || this.isSticky()\r\n  }\r\n\r\n  isOutside() {\r\n    return !this.isInside()\r\n  }\r\n\r\n  count() {\r\n    return this.chapters.length\r\n  }\r\n\r\n  _paintEdge() {\r\n    const $fragment = document.createDocumentFragment()\r\n    const STICKY = 'outline-navigator_sticky'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const title = this.attr('title')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const customClass = this.attr('customClass')\r\n    const $parentElement = this.$parentElement\r\n    const children = []\r\n    const contents = []\r\n    let $title = null\r\n    let $el\r\n    let $main\r\n    let $list\r\n    let $placeholder\r\n\r\n    if (!$parentElement) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside() && title) {\r\n      $title = createElement(\r\n        'h2',\r\n        {\r\n          className: 'outline-navigator__title'\r\n        },\r\n        title\r\n      )\r\n      this.$title = $title\r\n      contents.push($title)\r\n    }\r\n\r\n    $list = createElement('ul', {\r\n      // 为优化性能，添加了 _fixed 和 _hidden\r\n      // fixed 为了让 $list 脱离流布局\r\n      // hidden 让 $list 不可见\r\n      className: `outline-navigator__list`\r\n    })\r\n    this.$list = $list\r\n    children.push($list)\r\n\r\n    if (animationCurrent) {\r\n      $placeholder = createElement('div', {\r\n        className: 'outline-navigator__placeholder'\r\n      })\r\n      this.$placeholder = $placeholder\r\n      children.push($placeholder)\r\n    }\r\n\r\n    $main = createElement(\r\n      'div',\r\n      {\r\n        className: 'outline-navigator__main'\r\n      },\r\n      children\r\n    )\r\n    this.$main = $main\r\n    contents.push($main)\r\n\r\n    $el = createElement(\r\n      'nav',\r\n      {\r\n        id: 'outline-navigator',\r\n        className: `outline-navigator ${HIDDEN}`\r\n      },\r\n      contents\r\n    )\r\n    this.$el = $el\r\n\r\n    if (this.isSticky()) {\r\n      this.calculateStickyHeight()\r\n      addClass($el, STICKY)\r\n    }\r\n\r\n    if (customClass) {\r\n      addClass($el, customClass)\r\n    }\r\n    $fragment.appendChild($el)\r\n    $parentElement.appendChild($fragment)\r\n\r\n    return this\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const $parentElement = this.$parentElement\r\n    const chapters = this.chapters\r\n    const count = this.count()\r\n    let $el\r\n\r\n    if (!$parentElement || chapters.length < 1) {\r\n      return this\r\n    }\r\n\r\n    if (this.isInside()) {\r\n      addClass($parentElement, 'outline-navigator-parent')\r\n    }\r\n\r\n    this._paintEdge()\r\n    $el = this.$el\r\n\r\n    this._paint(chapters)\r\n\r\n    later(() => {\r\n      this.highlight(this.active)\r\n    }, 60)\r\n\r\n    this.offsetTop = offsetTop($el)\r\n    this.offsetWidth = $el.offsetWidth\r\n\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      setProperty('--outline-navigator-width', `${this.offsetWidth}px`)\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    if (count < 400) {\r\n      this.onObserver()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$list.innerHTML = ''\r\n\r\n    return this\r\n  }\r\n\r\n  _paint(chapters) {\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const showCode = this.attr('showCode')\r\n    const $el = this.$el\r\n    const $list = this.$list\r\n\r\n    _paintChapters($list, chapters, showCode)\r\n    removeClass($el, HIDDEN)\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    this.$parentElement.removeChild(this.$el)\r\n    return this\r\n  }\r\n\r\n  refresh(chapters) {\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const $el = this.$el\r\n\r\n    removeClass($el, HIDDEN)\r\n    this.erase()._paint(chapters)\r\n\r\n    return this\r\n  }\r\n\r\n  _getPlaceholderOffset(index) {\r\n    const $main = this.$main\r\n    const $list = this.$list\r\n    const $anchor = $list.querySelector('.outline-navigator__anchor')\r\n    const mainPaddingTop = parseInt(getStyle($main, 'padding-top'), 10)\r\n    const mainBorderTop = parseInt(getStyle($main, 'border-top-width'), 10)\r\n    const placeholderPaddingTop = parseInt(getStyle($list, 'padding-top'), 10)\r\n    const placeholderMarginTop = parseInt(getStyle($list, 'margin-top'), 10)\r\n    const placeholderBorderTop = parseInt(\r\n      getStyle($list, 'border-top-width'),\r\n      10\r\n    )\r\n    let height = $anchor.offsetHeight\r\n    let offsetTop = 0\r\n    let top\r\n\r\n    if (mainPaddingTop) {\r\n      offsetTop += mainPaddingTop\r\n    }\r\n\r\n    if (placeholderPaddingTop) {\r\n      offsetTop += placeholderPaddingTop\r\n    }\r\n\r\n    if (placeholderMarginTop) {\r\n      offsetTop += placeholderMarginTop\r\n    }\r\n\r\n    if (mainBorderTop) {\r\n      offsetTop += mainBorderTop\r\n    }\r\n\r\n    if (placeholderBorderTop) {\r\n      offsetTop += placeholderBorderTop\r\n    }\r\n\r\n    top = height * index\r\n\r\n    return offsetTop + top\r\n  }\r\n\r\n  positionPlaceholder(index) {\r\n    const $list = this.$list\r\n    const $placeholder = this.$placeholder\r\n    const $anchor = $list.querySelector('.outline-navigator__anchor')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const height = $anchor.offsetHeight\r\n    let offsetTop = 0\r\n\r\n    if (!animationCurrent) {\r\n      return this\r\n    }\r\n\r\n    offsetTop = this._getPlaceholderOffset(index)\r\n\r\n    $placeholder.style.cssText = `transform: translateY(${offsetTop}px);height:${height}px;`\r\n\r\n    return this\r\n  }\r\n\r\n  highlight(id) {\r\n    const $el = this.$el\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const ACTIVE = 'outline-navigator_active'\r\n    const HIGHLIGHT = 'outline-navigator_highlight'\r\n    let $anchor = null\r\n    let placeholderOffsetTop = 0\r\n\r\n    if (!$el) {\r\n      return this\r\n    }\r\n\r\n    $anchor = $el.querySelector(`#chapter__anchor-${id}`)\r\n\r\n    if (!$anchor) {\r\n      return this\r\n    }\r\n\r\n    this.active = parseInt($anchor.getAttribute('data-id'), 10)\r\n\r\n    if (this.$active) {\r\n      removeClass(this.$active, HIGHLIGHT)\r\n      removeClass(this.$active, ACTIVE)\r\n    }\r\n\r\n    this.$active = $anchor\r\n    addClass(this.$active, ACTIVE)\r\n\r\n    if (animationCurrent) {\r\n      this.positionPlaceholder(this.active)\r\n    } else {\r\n      addClass(this.$active, HIGHLIGHT)\r\n    }\r\n\r\n    later(() => {\r\n      console.log(!inBounding(this.$active, this.$main))\r\n      if (!inBounding(this.$active, this.$main)) {\r\n        placeholderOffsetTop = this._getPlaceholderOffset(this.active)\r\n        console.log('placeholderOffsetTop', placeholderOffsetTop)\r\n        scrollTo(this.$main, placeholderOffsetTop)\r\n      }\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  sticky() {\r\n    const afterSticky = this.attr('afterSticky')\r\n    const FIXED = 'outline-navigator_fixed'\r\n    const $el = this.$el\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (!this.isFixed()) {\r\n      return this\r\n    }\r\n\r\n    isStickying = scrollTop >= top\r\n\r\n    if (isStickying) {\r\n      addClass($el, FIXED)\r\n    } else {\r\n      removeClass($el, FIXED)\r\n    }\r\n\r\n    if (isFunction(afterSticky)) {\r\n      afterSticky.call(this, this.isClosed(), isStickying)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  calculateStickyHeight() {\r\n    const documentElement = document.documentElement\r\n    const height = Math.max(\r\n      documentElement.clientHeight || 0,\r\n      window.innerHeight || 0\r\n    )\r\n    setProperty('--outline-sticky-height', `${height}px`)\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, after) {\r\n    const el = this.$scrollElement\r\n\r\n    scrollTo(el, top, after)\r\n\r\n    return this\r\n  }\r\n\r\n  show() {\r\n    const FOLDED = 'outline-navigator_folded'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const opened = this.attr('afterOpened')\r\n    const count = this.count()\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      if (count > 800) {\r\n        removeClass($parent, HIDDEN)\r\n      } else {\r\n        removeClass($parent, HIDDEN)\r\n        later(() => {\r\n          removeClass($parent, FOLDED)\r\n        }, 30)\r\n      }\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n    }\r\n    this.closed = false\r\n\r\n    if (isFunction(opened)) {\r\n      opened.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide() {\r\n    const FOLDED = 'outline-navigator_folded'\r\n    const HIDDEN = 'outline-navigator_hidden'\r\n    const closed = this.attr('afterClosed')\r\n    const count = this.count()\r\n    const $el = this.$el\r\n    const $parent = this.$parentElement\r\n\r\n    if (this.isInside()) {\r\n      if (count > 800) {\r\n        addClass($parent, HIDDEN)\r\n      } else {\r\n        addClass($parent, FOLDED)\r\n        later(() => {\r\n          addClass($parent, HIDDEN)\r\n        })\r\n      }\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n    }\r\n    this.closed = true\r\n\r\n    if (isFunction(closed)) {\r\n      closed.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    const afterToggle = this.attr('afterToggle')\r\n    const top = this.offsetTop\r\n    const scrollTop = this.$scrollElement.scrollTop\r\n    let isStickying\r\n\r\n    if (this.isClosed()) {\r\n      this.show()\r\n    } else {\r\n      this.hide()\r\n    }\r\n\r\n    if (isFunction(afterToggle)) {\r\n      later(() => {\r\n        isStickying = scrollTop >= top\r\n        afterToggle.call(this, this.isClosed(), isStickying)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n      this.scrollTimer = null\r\n    }\r\n\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n      this.resizeTimer = null\r\n    }\r\n\r\n    if (this.observerTimer) {\r\n      clearTimeout(this.observerTimer)\r\n      this.observerTimer = null\r\n    }\r\n\r\n    if (this.Observer) {\r\n      this.Observer = null\r\n    }\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  onObserver() {\r\n    const selector = this.attr('selector')\r\n\r\n    this.Observer = intersection(\r\n      ($heading) => {\r\n        const id = $heading.getAttribute('data-id')\r\n\r\n        if (this.playing) {\r\n          return false\r\n        }\r\n\r\n        if (this.observerTimer) {\r\n          clearTimeout(this.observerTimer)\r\n        }\r\n\r\n        this.observerTimer = later(() => {\r\n          this.highlight(id)\r\n        }, 100)\r\n      },\r\n      {\r\n        selector,\r\n        context: this\r\n      }\r\n    )\r\n\r\n    return this\r\n  }\r\n\r\n  onSelect(evt) {\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const $anchor = evt.delegateTarget\r\n    const id = $anchor.getAttribute('data-id')\r\n    const headingId = $anchor.href.split('#')[1]\r\n    const $heading = document.querySelector(`#${headingId}`)\r\n    const top = offsetTop($heading) - (stickyHeight + 10)\r\n    const min = 0\r\n    const max = this.$scrollElement.scrollHeight\r\n    const afterScroll = this.attr('afterScroll')\r\n    const after = () => {\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(this, 'chapter')\r\n      }\r\n\r\n      later(() => {\r\n        this.playing = false\r\n        this.$emit('toolbar:update', {\r\n          top,\r\n          min,\r\n          max\r\n        })\r\n      })\r\n    }\r\n\r\n    this.playing = true\r\n    if (this.isFixed()) {\r\n      this.sticky()\r\n      later(() => {\r\n        this.scrollTo(top, after)\r\n        this.highlight(id)\r\n      }, 10)\r\n    } else {\r\n      this.scrollTo(top, after)\r\n      this.highlight(id)\r\n    }\r\n\r\n    stop(evt)\r\n\r\n    return this\r\n  }\r\n\r\n  onScroll() {\r\n    const $scrollElement = this.$scrollElement\r\n\r\n    if (this.scrollTimer) {\r\n      clearTimeout(this.scrollTimer)\r\n    }\r\n\r\n    this.scrollTimer = later(() => {\r\n      const top = $scrollElement.scrollTop\r\n      const min = 0\r\n      const max = $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n\r\n      if (this.isFixed()) {\r\n        this.sticky()\r\n      }\r\n\r\n      this.$emit('toolbar:update', {\r\n        top,\r\n        min,\r\n        max\r\n      })\r\n    }, 100)\r\n\r\n    return this\r\n  }\r\n\r\n  onResize() {\r\n    if (this.resizeTimer) {\r\n      clearTimeout(this.resizeTimer)\r\n    }\r\n\r\n    this.resizeTimer = later(() => {\r\n      this.calculateStickyHeight()\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    on($el, '.outline-navigator__anchor', 'click', this.onSelect, this, true)\r\n    at($element, 'scroll', this.onScroll, this, true)\r\n    if (this.isSticky()) {\r\n      at(window, 'resize', this.onResize, this, true)\r\n    }\r\n    this.$on('anchors:all:paint', this.onObserver, this)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const selector = this.attr('selector')\r\n    const $el = this.$el\r\n    const $scrollElement = this.$scrollElement\r\n    const tagName = $scrollElement.tagName.toLowerCase()\r\n    let $element = $scrollElement\r\n\r\n    if (this.count() < 1) {\r\n      return this\r\n    }\r\n\r\n    if (tagName === 'html' || tagName === 'body') {\r\n      $element = window\r\n    }\r\n\r\n    off($el, 'click', this.onSelect)\r\n    off($element, 'scroll', this.onScroll)\r\n    if (this.isSticky()) {\r\n      off(window, 'resize', this.onResize)\r\n    }\r\n    this.$off('anchors:all:paint')\r\n\r\n    if (this.Observer) {\r\n      document.querySelectorAll(selector).forEach((section) => {\r\n        this.Observer.unobserve(section)\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nNavigator.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    parentElement: '',\r\n    scrollElement: '',\r\n    selector: '.outline-heading',\r\n    active: 0,\r\n    closed: false,\r\n    showCode: true,\r\n    animationCurrent: true,\r\n    position: 'relative',\r\n    stickyHeight: 0,\r\n    chapters: [],\r\n    created: null,\r\n    mounted: null,\r\n    afterClosed: null,\r\n    afterOpened: null,\r\n    afterScroll: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null,\r\n    afterSticky: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Navigator\r\n","import createElement from './utils/dom/createElement'\r\nimport timeSlice from './utils/lang/timeSlice'\r\n\r\nconst _paintChapters = ($list, chapters, showCode = false) => {\r\n  const LIMIT = 400\r\n  const count = chapters.length\r\n  const clones = [...chapters]\r\n  const paint = (parts) => {\r\n    const byId = (id) => $list.querySelector(`#${id}`)\r\n    parts.forEach((chapter) => {\r\n      const pid = chapter.pid\r\n      const id = chapter.id\r\n      const code = chapter.code\r\n      const rel = chapter.rel\r\n      const children = []\r\n      const $text = createElement(\r\n        'span',\r\n        {\r\n          className: 'outline-navigator__text'\r\n        },\r\n        chapter.text\r\n      )\r\n      let $link\r\n      let $code\r\n      let $li\r\n      let $subject\r\n      let $chapter\r\n\r\n      if (showCode) {\r\n        $code = createElement(\r\n          'span',\r\n          {\r\n            className: 'outline-navigator__code',\r\n            'data-id': id\r\n          },\r\n          chapter.code\r\n        )\r\n\r\n        children.push($code)\r\n      }\r\n\r\n      children.push($text)\r\n\r\n      $link = createElement(\r\n        'a',\r\n        {\r\n          id: `chapter__anchor-${id}`,\r\n          className: 'outline-navigator__anchor',\r\n          href: '#' + rel,\r\n          rel: rel,\r\n          'data-id': id,\r\n          'data-code': code\r\n        },\r\n        children\r\n      )\r\n\r\n      $li = createElement(\r\n        'li',\r\n        {\r\n          id: `chapter-${id}`,\r\n          className: 'outline-navigator__item',\r\n          'data-id': id,\r\n          'data-code': code\r\n        },\r\n        $link\r\n      )\r\n\r\n      if (pid === -1) {\r\n        $list.appendChild($li)\r\n      } else {\r\n        $chapter = byId(`chapter-${pid}`)\r\n        $subject = byId(`subject-${pid}`)\r\n\r\n        if (!$subject) {\r\n          $subject = createElement(\r\n            'ul',\r\n            {\r\n              id: 'subject-' + pid,\r\n              className: 'outline-navigator__subject'\r\n            },\r\n            $li\r\n          )\r\n\r\n          $chapter.appendChild($subject)\r\n        } else {\r\n          $subject.appendChild($li)\r\n        }\r\n      }\r\n    })\r\n  }\r\n\r\n  if (count > LIMIT) {\r\n    // 同步绘制\r\n    paint(clones.splice(0, LIMIT))\r\n    // 剩余的采用 timeSlice 机制绘制\r\n    while (clones.length > 0) {\r\n      const once = clones.splice(0, LIMIT)\r\n      timeSlice(() => {\r\n        paint(once)\r\n      })\r\n    }\r\n  } else {\r\n    paint(clones)\r\n  }\r\n}\r\n\r\nexport default _paintChapters\r\n","import isFunction from '../types/isFunction'\r\nimport isElement from '../types/isElement'\r\n\r\n/**\r\n * 通用的 IntersectionObserver 观察者处理器\r\n * ========================================================================\r\n * @method intersection\r\n * @param {Function} fn\r\n * @param {Object} [props]\r\n * @param {Object|HTMLElement} [props.root]\r\n * @param {String} [props.selector]\r\n * @param {Object} [props.context]\r\n * @param {String} [props.attr]\r\n * @param {String} [props.rootMargin]\r\n */\r\nconst intersection = (fn, props = {}) => {\r\n  const root = props.root || null\r\n  const selector = props.selector || '.outline-heading'\r\n  const context = props.context || null\r\n  const rootMargin = props.rootMargin || '0px 0px -90% 0px'\r\n  const options = {\r\n    rootMargin: rootMargin\r\n  }\r\n  // eslint-disable-next-line compat/compat\r\n  const Observer = new IntersectionObserver((entries) => {\r\n    entries.forEach((entry) => {\r\n      if (entry.intersectionRatio > 0) {\r\n        if (isFunction(fn)) {\r\n          fn.call(context || entry.target, entry.target)\r\n        }\r\n      }\r\n    })\r\n  }, options)\r\n  const $root = isElement(root) ? root : document\r\n\r\n  if (root) {\r\n    options.root = root\r\n  }\r\n\r\n  $root.querySelectorAll(selector).forEach((section) => {\r\n    Observer.observe(section)\r\n  })\r\n\r\n  return Observer\r\n}\r\n\r\nexport default intersection\r\n","import isObject from './isObject'\r\n\r\n/**\r\n * 检测测试数据是否为类似 Object 类型\r\n * ========================================================================\r\n * @method isObjectLike\r\n * @param {Object} val - 要检测的数据\r\n * @returns {Boolean} 'val' 是类似 Object 类型，返回 true，否则返回 false\r\n */\r\nconst isObjectLike = (val) => {\r\n  return isObject(val) && val !== null\r\n}\r\n\r\nexport default isObjectLike\r\n","import isObjectLike from './isObjectLike'\r\n\r\n/**\r\n * 检测测试数据是否为普通对象\r\n * ========================================================================\r\n * @method isPlainObject\r\n * @param {Object} val - 要检测的数据\r\n * @returns {Boolean} 'val' 是普通对象，返回 true，否则返回 false\r\n */\r\nconst isPlainObject = (val) => {\r\n  const getPrototypeOf = Object.getPrototypeOf\r\n  let proto\r\n\r\n  // Detect obvious negatives\r\n  if (!isObjectLike(val)) {\r\n    return false\r\n  }\r\n\r\n  proto = val.prototype\r\n\r\n  // JavaScript 对象分为两种：普通对象和函数对象\r\n  // 普通对象：原型是 __proto__，没有 prototype 原型（属性）\r\n  // 函数对象：原型是 prototype ，prototype 只存在于函数对象上\r\n  if (!proto) {\r\n    return true\r\n  }\r\n\r\n  proto = val\r\n\r\n  while (getPrototypeOf(proto) !== null) {\r\n    proto = getPrototypeOf(proto)\r\n  }\r\n\r\n  return getPrototypeOf(val) === proto\r\n}\r\n\r\nexport default isPlainObject\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    '&': '&amp;',\r\n    '<': '&lt;',\r\n    '>': '&gt;',\r\n    \"'\": '&#39;',\r\n    '\"': '&quot;'\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\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\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    return this\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\r\n    document.body.removeChild(this.$el)\r\n\r\n    clearTimeout(this.timer)\r\n    this._default()\r\n\r\n    this.$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($el, 'click', this.onClose)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nMessage.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    id: '',\r\n    type: 'info',\r\n    effect: 'default',\r\n    round: false,\r\n    offset: 30,\r\n    duration: 3,\r\n    delay: 2,\r\n    message: '',\r\n    customClass: '',\r\n    closable: true,\r\n    visible: true,\r\n    dangerouslyUseHTMLString: false,\r\n    destroyAfterClosed: true,\r\n    beforeClose: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nTYPES.forEach((type) => {\r\n  Message[type] = (options) => {\r\n    const config = {}\r\n    const id = guid(`outline-message-`)\r\n    const beforeClose = options.beforeClose || null\r\n    let offset = options.offset || 30\r\n\r\n    if (isString(options)) {\r\n      config.message = options\r\n    } else {\r\n      if (isPlainObject(options)) {\r\n        extend(config, options)\r\n      }\r\n    }\r\n    config.id = id\r\n    config.type = type\r\n    config.offset = offset\r\n    config.visible = false\r\n    config.beforeClose = () => {\r\n      Message.close(id, beforeClose)\r\n    }\r\n\r\n    instance = new Message(config)\r\n    instances.forEach((item) => {\r\n      offset += item.$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 isFunction from './utils/types/isFunction'\r\n\r\nclass Command {\r\n  constructor(name, action) {\r\n    this.name = name\r\n\r\n    if (isFunction(action)) {\r\n      this.action = action\r\n    }\r\n  }\r\n\r\n  execute() {\r\n    this.action()\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nexport default Command\r\n","import isFunction from './utils/types/isFunction'\r\n\r\nclass Commands {\r\n  constructor() {\r\n    this.commands = []\r\n  }\r\n\r\n  get(name) {\r\n    return this.commands.find((cmd) => cmd.name === name)\r\n  }\r\n\r\n  add(command) {\r\n    this.commands.push(command)\r\n\r\n    return this\r\n  }\r\n\r\n  del(name) {\r\n    const commands = this.commands\r\n    const command = commands.find((cmd) => cmd.name === name)\r\n    const index = command ? commands.indexOf(command) : -1\r\n\r\n    if (index > -1) {\r\n      commands.splice(index, 1)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  clear() {\r\n    this.commands = []\r\n\r\n    return this\r\n  }\r\n\r\n  execute(name) {\r\n    const command = this.commands.find((cmd) => cmd.name === name)\r\n\r\n    if (isFunction(command?.execute)) {\r\n      command.execute()\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nexport default Commands\r\n","import icon from './utils/icons/icon'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\n\r\nconst _createButton = (button, rounded = true) => {\r\n  const $icon = icon(button.icon, {\r\n    iconSet: button.iconSet || 'outline',\r\n    color: button.color || '',\r\n    size: button.size\r\n  })\r\n  const $anchor = createElement(\r\n    'a',\r\n    {\r\n      className: `outline-toolbar__anchor`,\r\n      href: button.link\r\n    },\r\n    $icon\r\n  )\r\n  const $button = createElement(\r\n    'div',\r\n    {\r\n      className: `outline-toolbar__button ${button.name}`,\r\n      'data-cmd': button.name\r\n    },\r\n    [button.link ? $anchor : $icon]\r\n  )\r\n\r\n  addClass($icon, 'outline-toolbar__icon')\r\n\r\n  if (rounded) {\r\n    addClass($button, 'outline-toolbar_rounded')\r\n  }\r\n\r\n  if (button.disabled) {\r\n    addClass($button, 'outline-toolbar_disabled')\r\n  }\r\n\r\n  return $button\r\n}\r\n\r\nexport default _createButton\r\n","import isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isObject from './utils/types/isObject'\r\nimport isArray from './utils/types/isArray'\r\nimport later from './utils/lang/later'\r\nimport guid from './utils/lang/guid'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport hasClass from './utils/dom/hasClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport paint from './utils/icons/paint'\r\n\r\nimport Base from './base'\r\nimport Command from './command'\r\nimport Commands from './commands'\r\n\r\nimport _createButton from './_createButton'\r\n\r\nconst DISABLED = 'outline-toolbar_disabled'\r\nconst HIDDEN = 'outline-toolbar_hidden'\r\n\r\nclass Toolbar extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Toolbar.DEFAULTS)\r\n\r\n    this.disabled = false\r\n    this.closed = false\r\n\r\n    this.$el = null\r\n    this.buttons = []\r\n    this.commands = null\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let created\r\n\r\n    this.attr(options)\r\n\r\n    this.disabled = this.attr('disabled')\r\n    this.closed = this.attr('closed')\r\n    this.commands = new Commands()\r\n\r\n    created = this.attr('created')\r\n\r\n    if (isFunction(created)) {\r\n      created.call(this)\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  isDisabled(name) {\r\n    let button\r\n\r\n    if (name) {\r\n      button = this.get(name)\r\n\r\n      return button.disabled\r\n    }\r\n\r\n    return this.disabled\r\n  }\r\n\r\n  isExist(name) {\r\n    const button = this.get(name)\r\n    return !!button\r\n  }\r\n\r\n  isClosed() {\r\n    return this.closed\r\n  }\r\n\r\n  _getCommand(button) {\r\n    const _self = this\r\n    const { action, name } = button\r\n    let command = null\r\n    let handler = null\r\n    let context\r\n    let listener\r\n\r\n    if (!action) {\r\n      return command\r\n    }\r\n\r\n    handler = action.handler\r\n    context = action.context || this\r\n\r\n    if (isFunction(handler)) {\r\n      listener = handler\r\n    } else if (isString(handler)) {\r\n      listener = function () {\r\n        _self.$emit(handler, name)\r\n      }\r\n    }\r\n\r\n    if (isFunction(listener)) {\r\n      command = new Command(name, listener.bind(context))\r\n    }\r\n\r\n    return command\r\n  }\r\n\r\n  get(name) {\r\n    return this.buttons.find((button) => button.name === name)\r\n  }\r\n\r\n  render() {\r\n    const mounted = this.attr('mounted')\r\n    const buttons = this.attr('buttons') || []\r\n    const placement = this.attr('placement')\r\n\r\n    paint()\r\n\r\n    this.$el = createElement('div', {\r\n      id: guid('outline-toolbar'),\r\n      className: `outline-toolbar outline-toolbar_${placement}`\r\n    })\r\n    this._paint(buttons)\r\n    document.body.appendChild(this.$el)\r\n\r\n    if (this.closed) {\r\n      this.hide()\r\n    }\r\n\r\n    if (this.disabled) {\r\n      this.disable()\r\n    }\r\n\r\n    if (isFunction(mounted)) {\r\n      mounted.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$el.innerHTML = ''\r\n    return this\r\n  }\r\n\r\n  _paint(buttons) {\r\n    const rounded = this.attr('rounded')\r\n    const $fragment = document.createDocumentFragment()\r\n\r\n    buttons.forEach((button) => {\r\n      const $button = _createButton(button, rounded)\r\n      const command = this._getCommand(button)\r\n      const { name, disabled, context } = button\r\n\r\n      $fragment.appendChild($button)\r\n\r\n      if (!this.isExist(name)) {\r\n        this.buttons.push({\r\n          $el: $button,\r\n          name,\r\n          disabled: disabled || false,\r\n          context: context || this\r\n        })\r\n\r\n        if (command) {\r\n          this.commands.add(command)\r\n        }\r\n      }\r\n    })\r\n\r\n    this.$el.appendChild($fragment)\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    document.body.removeChild(this.$el)\r\n    return this\r\n  }\r\n\r\n  refresh(buttons) {\r\n    this.attr({ buttons })\r\n    this.erase()._paint(buttons)\r\n    return this\r\n  }\r\n\r\n  add(button) {\r\n    const $el = this.$el\r\n    const $fragment = document.createDocumentFragment()\r\n    const buttons = this.attr('buttons') || []\r\n    const { name, disabled, context } = button\r\n    const command = this._getCommand(button)\r\n    const _add = (button) => {\r\n      const $button = _createButton(button)\r\n\r\n      $fragment.appendChild($button)\r\n\r\n      buttons.push(button)\r\n      this.buttons.push({\r\n        $el: $button,\r\n        name,\r\n        disabled: disabled || false,\r\n        context: context || this,\r\n        command\r\n      })\r\n\r\n      if (command) {\r\n        this.commands.add(command)\r\n      }\r\n    }\r\n\r\n    if (isObject(button)) {\r\n      _add(button)\r\n    } else if (isArray(button)) {\r\n      button.forEach((item) => {\r\n        if (isObject(item)) {\r\n          _add(item)\r\n        }\r\n      })\r\n    }\r\n    $el.appendChild($fragment)\r\n\r\n    return this\r\n  }\r\n\r\n  remove(name) {\r\n    const $el = this.$el\r\n    const buttons = this.buttons\r\n    const button = this.get(name)\r\n    let index = -1\r\n\r\n    if (!button) {\r\n      return this\r\n    }\r\n\r\n    index = buttons.indexOf(button)\r\n\r\n    if (index > -1) {\r\n      buttons.splice(index, 1)\r\n      this.attrs('buttons').splice(index, 1)\r\n    }\r\n\r\n    this._disable(name)\r\n    $el.removeChild(button.$el)\r\n\r\n    return this\r\n  }\r\n\r\n  _disable(name) {\r\n    const button = this.get(name)\r\n    const command = this.commands.get(name)\r\n\r\n    if (!button || button.disabled) {\r\n      return this\r\n    }\r\n\r\n    button.disabled = true\r\n\r\n    if (command) {\r\n      this.commands.del(command)\r\n    }\r\n\r\n    addClass(button.$el, DISABLED)\r\n\r\n    return this\r\n  }\r\n\r\n  _enable(name) {\r\n    const button = this.get(name)\r\n    const command = this.commands.get(name)\r\n\r\n    if (!button || !button.disabled) {\r\n      return this\r\n    }\r\n\r\n    button.disabled = false\r\n\r\n    if (command) {\r\n      this.commands.add(command)\r\n    }\r\n\r\n    removeClass(button.$el, DISABLED)\r\n\r\n    return this\r\n  }\r\n\r\n  disable(name) {\r\n    const disabled = this.attr('afterDisabled')\r\n\r\n    if (name) {\r\n      this._disable(name)\r\n    } else {\r\n      addClass(this.$el, DISABLED)\r\n      this.removeListeners()\r\n      this.disabled = true\r\n\r\n      if (isFunction(disabled)) {\r\n        disabled.call(this)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  enable(name) {\r\n    const enabled = this.attr('afterEnabled')\r\n\r\n    if (name) {\r\n      this._enable(name)\r\n    } else {\r\n      this.disabled = false\r\n      removeClass(this.$el, DISABLED)\r\n      this.addListeners()\r\n\r\n      if (isFunction(enabled)) {\r\n        enabled.call(this)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  show(name) {\r\n    const opened = this.attr('afterOpened')\r\n    const button = this.get(name)\r\n    const $el = this.$el\r\n\r\n    if (name) {\r\n      if (!button) {\r\n        return this\r\n      }\r\n\r\n      removeClass(button.$el, HIDDEN)\r\n    } else {\r\n      removeClass($el, HIDDEN)\r\n      this.closed = false\r\n\r\n      if (isFunction(opened)) {\r\n        later(() => {\r\n          opened.call(this)\r\n        }, 310)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  hide(name) {\r\n    const closed = this.attr('afterClosed')\r\n    const button = this.get(name)\r\n    const $el = this.$el\r\n\r\n    if (name) {\r\n      if (!button) {\r\n        return this\r\n      }\r\n\r\n      addClass(button.$el, HIDDEN)\r\n    } else {\r\n      addClass($el, HIDDEN)\r\n      this.closed = true\r\n\r\n      if (isFunction(closed)) {\r\n        later(() => {\r\n          closed.call(this)\r\n        }, 310)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toggle(name) {\r\n    if (this.isClosed()) {\r\n      this.show(name)\r\n    } else {\r\n      this.hide(name)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  highlight(name) {\r\n    const button = this.get(name)\r\n    const ACTIVE = 'outline-toolbar_active'\r\n    let $button\r\n\r\n    if (!button) {\r\n      return this\r\n    }\r\n\r\n    $button = button.$el\r\n\r\n    if (hasClass($button, ACTIVE)) {\r\n      removeClass($button, ACTIVE)\r\n    } else {\r\n      addClass($button, ACTIVE)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const beforeDestroy = this.attr('beforeDestroy')\r\n    const afterDestroy = this.attr('afterDestroy')\r\n\r\n    if (isFunction(beforeDestroy)) {\r\n      beforeDestroy.call(this)\r\n    }\r\n\r\n    this.commands.clear()\r\n    this.removeListeners()._remove()._default()\r\n\r\n    if (isFunction(afterDestroy)) {\r\n      afterDestroy.call(this)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  execute(name) {\r\n    if (this.isDisabled(name)) {\r\n      return this\r\n    }\r\n\r\n    this.commands.execute(name)\r\n\r\n    return this\r\n  }\r\n\r\n  onExecute(evt) {\r\n    const $button = evt.delegateTarget\r\n    let cmd = ''\r\n\r\n    if ($button) {\r\n      cmd = $button.getAttribute('data-cmd')\r\n\r\n      if (cmd) {\r\n        this.execute(cmd)\r\n      }\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const buttons = this.attr('buttons') || []\r\n    const $el = this.$el\r\n\r\n    if (!buttons || buttons.length < 1) {\r\n      return this\r\n    }\r\n\r\n    on($el, `.outline-toolbar__button`, 'click', this.onExecute, this, true)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const buttons = this.attr('buttons') || []\r\n    const $el = this.$el\r\n\r\n    if (!buttons || buttons.length < 1) {\r\n      return this\r\n    }\r\n\r\n    off($el, '.outline-toolbar__button', this.onExecute)\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nToolbar.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    placement: 'ltr',\r\n    closed: false,\r\n    disabled: false,\r\n    rounded: true,\r\n    buttons: [],\r\n    created: null,\r\n    mounted: null,\r\n    afterClosed: null,\r\n    afterOpened: null,\r\n    afterDisabled: null,\r\n    afterEnabled: null,\r\n    beforeDestroy: null,\r\n    afterDestroy: null\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Toolbar\r\n","import publish from './utils/observer/emit'\r\n\r\nclass Speech {\r\n  constructor(options) {\r\n    this.utterance = new SpeechSynthesisUtterance()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _initialize(options) {\r\n    if (options.lang) {\r\n      this.setLang(options.lang)\r\n    }\r\n\r\n    if (options.pitch) {\r\n      this.setPitch(options.pitch)\r\n    }\r\n\r\n    if (options.rate) {\r\n      this.setRate(options.rate)\r\n    }\r\n\r\n    if (options.text) {\r\n      this.setText(options.text)\r\n    }\r\n\r\n    if (options.voice) {\r\n      this.setVoice(options.voice)\r\n    }\r\n\r\n    if (options.volume) {\r\n      this.setVolume(options.volume)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    this._initialize(options)._addListeners()\r\n    return this\r\n  }\r\n\r\n  isSpeaking() {\r\n    return speechSynthesis.speaking\r\n  }\r\n\r\n  isPending() {\r\n    return speechSynthesis.pending\r\n  }\r\n\r\n  isPaused() {\r\n    return speechSynthesis.paused\r\n  }\r\n\r\n  getVoices() {\r\n    return speechSynthesis.getVoices()\r\n  }\r\n\r\n  setLang(lang) {\r\n    this.utterance.lang = lang\r\n    return this\r\n  }\r\n\r\n  setPitch(pitch) {\r\n    this.utterance.pitch = pitch\r\n    return this\r\n  }\r\n\r\n  setRate(rate) {\r\n    this.utterance.rate = rate\r\n    return this\r\n  }\r\n\r\n  setText(text) {\r\n    this.utterance.text = text\r\n    return this\r\n  }\r\n\r\n  setVoice(voice) {\r\n    this.utterance.voice = voice\r\n    return this\r\n  }\r\n\r\n  setVolume(volume) {\r\n    this.utterance.volume = volume\r\n    return this\r\n  }\r\n\r\n  speak(text) {\r\n    if (text) {\r\n      this.setText(text)\r\n    }\r\n\r\n    speechSynthesis.speak(this.utterance)\r\n\r\n    return this\r\n  }\r\n\r\n  pause() {\r\n    speechSynthesis.pause()\r\n    return this\r\n  }\r\n\r\n  resume() {\r\n    speechSynthesis.resume()\r\n    return this\r\n  }\r\n\r\n  cancel() {\r\n    speechSynthesis.cancel()\r\n    this.setText('')\r\n    return this\r\n  }\r\n\r\n  _addListeners() {\r\n    const UTTERANCE_EVENTS = [\r\n      'boundary',\r\n      'end',\r\n      'error',\r\n      'start',\r\n      'mark',\r\n      'pause',\r\n      'resume'\r\n    ]\r\n    const utterance = this.utterance\r\n    const speech = this\r\n\r\n    UTTERANCE_EVENTS.forEach((name) => {\r\n      utterance[`on${name}`] = (event) => {\r\n        publish(name, {\r\n          event,\r\n          speech\r\n        })\r\n      }\r\n    })\r\n\r\n    speechSynthesis.onvoiceschanged = (event) => {\r\n      publish('voiceschanged', {\r\n        event,\r\n        speech\r\n      })\r\n    }\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nSpeech.isSupport = (() => {\r\n  return 'speechSynthesis' in window\r\n})()\r\n\r\nexport default Speech\r\n","import addClass from './utils/dom/addClass'\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-reader_sibling')\r\n    }\r\n\r\n    if (isPrev) {\r\n      $sibling = $sibling.previousElementSibling\r\n    } else {\r\n      $sibling = $sibling.nextElementSibling\r\n    }\r\n  }\r\n}\r\n\r\nexport default _updateSiblingElements\r\n","import cloneDeep from './utils/lang/cloneDeep'\r\nimport later from './utils/lang/later'\r\nimport isString from './utils/types/isString'\r\nimport isElement from './utils/types/isElement'\r\nimport isFunction from './utils/types/isFunction'\r\nimport createElement from './utils/dom/createElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport at from './utils/event/at'\r\nimport stop from './utils/event/stop'\r\nimport off from './utils/event/off'\r\n\r\nimport Base from './base'\r\nimport Message from './message'\r\nimport Toolbar from './toolbar'\r\nimport Speech from './speech'\r\n\r\nimport _updateSiblingElements from './_updateSiblingElements'\r\n\r\nconst ENTER_READING_TIP = '进入阅读模式，按 ESC 键可退出阅读模式'\r\n\r\nclass Reader extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    this.attrs = cloneDeep(Reader.DEFAULTS)\r\n    this.reading = false\r\n\r\n    this.$target = null\r\n    this.$paper = null\r\n    this.$title = null\r\n    this.$article = null\r\n    this.$progress = null\r\n\r\n    this.toolbar = null\r\n    this.speech = null\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let target = null\r\n\r\n    this.attr(options)\r\n\r\n    target = this.attr('target')\r\n\r\n    if (isString(target)) {\r\n      this.$target = document.querySelector(target)\r\n    } else if (isElement(target)) {\r\n      this.$target = target\r\n    }\r\n\r\n    if (!this.$target) {\r\n      return this\r\n    }\r\n\r\n    if (Speech.isSupport) {\r\n      this.speech = new Speech()\r\n    }\r\n\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  isSpeaking() {\r\n    return this?.speech?.isSpeaking()\r\n  }\r\n\r\n  render() {\r\n    this._renderEdge()._paint(this.$target)\r\n    return this\r\n  }\r\n\r\n  erase() {\r\n    this.$article.innerHTML = ''\r\n    return this\r\n  }\r\n\r\n  _paint($content) {\r\n    const $fragment = document.createDocumentFragment()\r\n    const $children = [...$content.cloneNode(true).children]\r\n\r\n    later(() => {\r\n      $children.forEach(($child) => {\r\n        $fragment.appendChild($child)\r\n      })\r\n\r\n      this.$article.appendChild($fragment)\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  _remove() {\r\n    const $paper = this.$paper\r\n    const toolbar = this.toolbar\r\n\r\n    if ($paper) {\r\n      document.body.removeChild($paper)\r\n    }\r\n\r\n    if (toolbar) {\r\n      toolbar.destroy()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  refresh() {\r\n    this.erase()._paint(this.$target)\r\n    return this\r\n  }\r\n\r\n  _renderEdge() {\r\n    const $target = this.$target\r\n    let title = this.attr('title')\r\n    let $paper\r\n    let $title\r\n    let $article\r\n    let $progress\r\n    let $sibling\r\n\r\n    $title = $target.querySelector('h1')\r\n\r\n    if (isElement(title)) {\r\n      $title = title\r\n    }\r\n\r\n    if (isElement($title)) {\r\n      title = $title.innerText\r\n    }\r\n\r\n    $title = createElement(\r\n      'h1',\r\n      {\r\n        className: 'outline-reader__title'\r\n      },\r\n      title\r\n    )\r\n    this.$title = $title\r\n\r\n    $article = createElement('article', {\r\n      id: 'outline-reader__article',\r\n      className: 'outline-reader__article'\r\n    })\r\n    this.$article = $article\r\n\r\n    $progress = createElement('div', {\r\n      className: 'outline-reader__progress'\r\n    })\r\n    this.$progress = $progress\r\n\r\n    const buttons = []\r\n\r\n    if (Speech.isSupport && this.attr('allowSpeak')) {\r\n      buttons.push({\r\n        name: 'speak',\r\n        icon: 'sound',\r\n        size: 20,\r\n        action: {\r\n          context: this,\r\n          handler: this.speak\r\n        }\r\n      })\r\n    }\r\n\r\n    buttons.push(\r\n      ...[\r\n        {\r\n          name: 'print',\r\n          icon: 'print',\r\n          size: 20,\r\n          action: {\r\n            context: this,\r\n            handler: this.print\r\n          }\r\n        },\r\n        {\r\n          name: 'exit',\r\n          icon: 'close',\r\n          size: 20,\r\n          action: {\r\n            context: this,\r\n            handler: this.exit\r\n          }\r\n        }\r\n      ]\r\n    )\r\n\r\n    this.toolbar = new Toolbar({\r\n      placement: 'rtl',\r\n      buttons\r\n    })\r\n\r\n    $paper = createElement(\r\n      'section',\r\n      {\r\n        id: 'outline-reader',\r\n        className: 'outline-reader outline-reader_hidden'\r\n      },\r\n      [$progress, $title, $article, this.toolbar.$el]\r\n    )\r\n    this.$paper = $paper\r\n\r\n    document.body.appendChild($paper)\r\n\r\n    later(() => {\r\n      // 设置邻居节点的打印样式\r\n      $sibling = $paper.previousElementSibling\r\n      _updateSiblingElements($sibling, true)\r\n\r\n      $sibling = $paper.nextElementSibling\r\n      _updateSiblingElements($sibling)\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  enter() {\r\n    const READER = 'outline-reader'\r\n    const READING = `${READER}--reading`\r\n    const HIDDEN = `${READER}_hidden`\r\n    const $paper = this.$paper\r\n    const $siblings = document.querySelectorAll('.outline-reader_sibling')\r\n    const enterReadingTip = this.attr('enterReadingTip') || ENTER_READING_TIP\r\n\r\n    if (this.reading || !$paper) {\r\n      return this\r\n    }\r\n\r\n    $siblings.forEach(($sibling) => {\r\n      addClass($sibling, HIDDEN)\r\n    })\r\n    addClass($paper, READING)\r\n    removeClass($paper, HIDDEN)\r\n    this.toolbar.show()\r\n    this.reading = true\r\n\r\n    Message.info({\r\n      round: true,\r\n      message: enterReadingTip\r\n    })\r\n\r\n    this.$emit('enterReading')\r\n\r\n    return this\r\n  }\r\n\r\n  exit() {\r\n    const READER = 'outline-reader'\r\n    const READING = `${READER}--reading`\r\n    const HIDDEN = `${READER}_hidden`\r\n    const $paper = this.$paper\r\n    const $siblings = document.querySelectorAll('.outline-reader_sibling')\r\n\r\n    if (!this.reading || !$paper) {\r\n      return this\r\n    }\r\n\r\n    addClass($paper, HIDDEN)\r\n    removeClass($paper, READING)\r\n    $siblings.forEach(($sibling) => {\r\n      removeClass($sibling, HIDDEN)\r\n    })\r\n    this.toolbar.hide()\r\n    this.reading = false\r\n\r\n    this.$emit('exitReading')\r\n\r\n    return this\r\n  }\r\n\r\n  toggle() {\r\n    if (this.reading) {\r\n      this.exit()\r\n    } else {\r\n      this.enter()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  speak() {\r\n    const text = this.$article.innerText\r\n    const speech = this.speech\r\n\r\n    if (!Speech.isSupport) {\r\n      return this\r\n    }\r\n\r\n    this.toolbar.highlight('speak')\r\n\r\n    if (this.isSpeaking()) {\r\n      speech.cancel()\r\n    } else {\r\n      speech.speak(text)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  print() {\r\n    if (!isFunction(print)) {\r\n      return this\r\n    }\r\n\r\n    print()\r\n\r\n    return this\r\n  }\r\n\r\n  destroy() {\r\n    const $paper = this.$paper\r\n\r\n    if (!$paper) {\r\n      return this\r\n    }\r\n\r\n    this.removeListeners()._remove()._default()\r\n\r\n    return this\r\n  }\r\n\r\n  onPrint() {\r\n    this.print()\r\n    return this\r\n  }\r\n\r\n  onEnterReading() {\r\n    this.toggle()\r\n    return this\r\n  }\r\n\r\n  onExitReading(evt) {\r\n    const keyCode = evt.keyCode\r\n\r\n    if (keyCode === 27 && this.reading) {\r\n      this.toggle()\r\n      stop(evt)\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addListeners() {\r\n    const $paper = this.$paper\r\n\r\n    if (!$paper) {\r\n      return this\r\n    }\r\n\r\n    at(document, 'keyup', this.onExitReading, this, true)\r\n\r\n    this.$on('toolbar:action:print', this.onPrint)\r\n    this.$on('toolbar:action:reading', this.onEnterReading)\r\n\r\n    return this\r\n  }\r\n\r\n  removeListeners() {\r\n    const $paper = this.$paper\r\n\r\n    if (!$paper) {\r\n      return this\r\n    }\r\n\r\n    off(document, 'keyup', this.onExitReading)\r\n\r\n    this.$off('toolbar:action:print')\r\n    this.$off('toolbar:action:reading')\r\n\r\n    return this\r\n  }\r\n}\r\n\r\nReader.DEFAULTS = (() => {\r\n  const OPTIONS = {\r\n    target: '',\r\n    title: '',\r\n    enterReadingTip: ENTER_READING_TIP,\r\n    allowSpeak: false\r\n  }\r\n\r\n  return cloneDeep(OPTIONS)\r\n})()\r\n\r\nexport default Reader\r\n","import later from './utils/lang/later'\r\nimport cloneDeep from './utils/lang/cloneDeep'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isString from './utils/types/isString'\r\nimport isElement from './utils/types/isElement'\r\nimport addClass from './utils/dom/addClass'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport _getScrollElement from './utils/dom/_getScrollElement'\r\n\r\nimport getChapters from './getChapters'\r\n\r\nimport Base from './base'\r\nimport Anchors from './anchors'\r\nimport Drawer from './drawer'\r\nimport Navigator from './navigator'\r\nimport Reader from './reader'\r\nimport Toolbar from './toolbar'\r\n\r\nclass Outline extends Base {\r\n  constructor(options) {\r\n    super()\r\n\r\n    this._default()\r\n\r\n    if (options) {\r\n      this.initialize(options)\r\n    }\r\n  }\r\n\r\n  _default() {\r\n    const options = Outline.DEFAULTS\r\n\r\n    this.attrs = cloneDeep(options)\r\n    this.$article = null\r\n    this.$scrollElement = null\r\n    this.buttons = []\r\n\r\n    this.anchors = null\r\n    this.drawer = null\r\n    this.navigator = null\r\n    this.reader = null\r\n    this.toolbar = null\r\n\r\n    return this\r\n  }\r\n\r\n  initialize(options) {\r\n    let articleElement = ''\r\n    let scrollElement = ''\r\n    let $article = null\r\n\r\n    this.attr(options)\r\n\r\n    articleElement = this.attr('articleElement')\r\n    scrollElement = this.attr('scrollElement')\r\n\r\n    if (isString(articleElement)) {\r\n      $article = document.querySelector(articleElement)\r\n    } else if (isElement(articleElement)) {\r\n      $article = articleElement\r\n    }\r\n    this.$article = $article\r\n    this.$scrollElement = _getScrollElement(scrollElement)\r\n\r\n    this.$emit('created', { ...this.attr() })\r\n    this.render().addListeners()\r\n\r\n    return this\r\n  }\r\n\r\n  getChapters(isTreeStructured = false) {\r\n    const articleElement = this.$article\r\n    const selector = this.attr('selector')\r\n    const showCode = this.attr('showCode') || true\r\n    const chapterTextFilter = this.attr('chapterTextFilter')\r\n\r\n    return getChapters({\r\n      articleElement,\r\n      selector,\r\n      showCode,\r\n      chapterTextFilter,\r\n      isTreeStructured\r\n    })\r\n  }\r\n\r\n  count() {\r\n    return this.getChapters().length\r\n  }\r\n\r\n  render() {\r\n    const hasToolbar = this.attr('hasToolbar')\r\n    const $scrollElement = this.$scrollElement\r\n\r\n    this._renderReader()._renderAnchors()._renderNavigator()._renderToolbar()\r\n\r\n    if ($scrollElement && hasToolbar) {\r\n      this._updateToolbar({\r\n        top: $scrollElement.scrollTop,\r\n        min: 0,\r\n        max: $scrollElement.scrollHeight\r\n      })\r\n    }\r\n\r\n    this.$emit('mounted')\r\n\r\n    return this\r\n  }\r\n\r\n  refresh() {\r\n    const chapters = this.getChapters()\r\n\r\n    this.anchors.refresh(chapters)\r\n    this.navigator.refresh(chapters)\r\n    this.reader.refresh()\r\n\r\n    return this\r\n  }\r\n\r\n  _renderReader() {\r\n    const option = this.attr('reader')\r\n\r\n    if (!option.target) {\r\n      return this\r\n    }\r\n\r\n    addClass(this.$article, 'outline-article')\r\n\r\n    this.reader = new Reader(option)\r\n\r\n    return this\r\n  }\r\n\r\n  _renderAnchors() {\r\n    const articleElement = this.attr('articleElement')\r\n    const selector = this.attr('selector')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const scrollElement = this.attr('scrollElement')\r\n    const showCode = this.attr('showCode')\r\n    const anchorURL = this.attr('anchorURL')\r\n    const afterScroll = this.attr('afterScroll')\r\n    const chapterTextFilter = this.attr('chapterTextFilter')\r\n\r\n    this.anchors = new Anchors({\r\n      articleElement,\r\n      stickyHeight,\r\n      scrollElement,\r\n      selector,\r\n      showCode,\r\n      anchorURL,\r\n      afterScroll,\r\n      chapterTextFilter\r\n    })\r\n\r\n    return this\r\n  }\r\n\r\n  _renderNavigator() {\r\n    const title = this.attr('title')\r\n    const stickyHeight = this.attr('stickyHeight')\r\n    const scrollElement = this.attr('scrollElement')\r\n    const customClass = this.attr('customClass')\r\n    const showCode = this.attr('showCode')\r\n    const animationCurrent = this.attr('animationCurrent')\r\n    const closeOnClickModal = this.attr('closeOnClickModal')\r\n    const showNavModalFirst = this.attr('showNavModalFirst')\r\n    const position = this.attr('position')\r\n    const placement = this.attr('placement')\r\n    const afterSticky = this.attr('afterSticky')\r\n    const afterToggle = this.attr('afterToggle')\r\n    const afterScroll = this.attr('afterScroll')\r\n    const count = this.count()\r\n    let parentElement = this.attr('parentElement')\r\n    let OPTIONS\r\n\r\n    if (count < 1) {\r\n      return this\r\n    }\r\n\r\n    OPTIONS = {\r\n      scrollElement,\r\n      showCode,\r\n      animationCurrent,\r\n      position,\r\n      title,\r\n      stickyHeight,\r\n      chapters: this.getChapters(),\r\n      afterSticky,\r\n      afterToggle,\r\n      afterScroll\r\n    }\r\n\r\n    if (position === 'relative') {\r\n      this.drawer = new Drawer({\r\n        placement,\r\n        title,\r\n        size: 'tiny',\r\n        hasOffset: true,\r\n        hasPadding: false,\r\n        closeOnClickModal,\r\n        customClass,\r\n        afterClosed: () => {\r\n          const toolbar = this.toolbar\r\n          toolbar.toggle()\r\n        }\r\n      })\r\n      parentElement = this.drawer.$main\r\n\r\n      if (showNavModalFirst) {\r\n        this.drawer.open()\r\n      }\r\n    } else {\r\n      OPTIONS.customClass = customClass\r\n    }\r\n\r\n    OPTIONS.parentElement = parentElement\r\n    this.navigator = new Navigator(OPTIONS)\r\n\r\n    return this\r\n  }\r\n\r\n  _renderToolbar() {\r\n    const position = this.attr('position')\r\n    const hasToolbar = this.attr('hasToolbar')\r\n    const showNavModalFirst = this.attr('showNavModalFirst')\r\n    const placement = this.attr('placement')\r\n    const homepage = this.attr('homepage')\r\n    const git = this.attr('git')\r\n    const tags = this.attr('tags')\r\n    const issues = this.attr('issues')\r\n    const tools = this.attr('tools')\r\n    const option = this.attr('reader')\r\n    const count = this.count()\r\n    const UP = {\r\n      name: 'up',\r\n      icon: 'up',\r\n      size: 20,\r\n      action: {\r\n        context: this,\r\n        handler: this.toTop\r\n      }\r\n    }\r\n    const HOME = {\r\n      name: 'homepage',\r\n      icon: 'homepage',\r\n      size: 20,\r\n      link: homepage\r\n    }\r\n    const GIT = {\r\n      name: 'github',\r\n      icon: 'github',\r\n      size: 20,\r\n      link: git\r\n    }\r\n    const TAGS = {\r\n      name: 'tags',\r\n      icon: 'tags',\r\n      size: 20,\r\n      link: tags\r\n    }\r\n    const ISSUES = {\r\n      name: 'issues',\r\n      icon: 'issues',\r\n      size: 20,\r\n      link: issues\r\n    }\r\n    const MENU = {\r\n      name: 'toggle',\r\n      icon: 'menu',\r\n      size: 18,\r\n      action: {\r\n        context: this,\r\n        handler: this.toggle\r\n      }\r\n    }\r\n    const READING = {\r\n      name: 'reading',\r\n      icon: 'file',\r\n      size: 18,\r\n      action: {\r\n        context: this,\r\n        handler: 'toolbar:action:reading'\r\n      }\r\n    }\r\n    const PRINT = {\r\n      name: 'print',\r\n      icon: 'print',\r\n      size: 20,\r\n      action: {\r\n        handler: 'toolbar:action:print'\r\n      }\r\n    }\r\n    const DOWN = {\r\n      name: 'down',\r\n      icon: 'down',\r\n      size: 20,\r\n      action: {\r\n        context: this,\r\n        handler: this.toBottom\r\n      }\r\n    }\r\n    const buttons = []\r\n\r\n    if (!hasToolbar) {\r\n      return this\r\n    }\r\n\r\n    buttons.push(UP)\r\n    if (count > 0) {\r\n      buttons.push(MENU)\r\n    }\r\n    if (homepage) {\r\n      buttons.push(HOME)\r\n    }\r\n    if (git) {\r\n      buttons.push(GIT)\r\n    }\r\n    if (tags) {\r\n      buttons.push(TAGS)\r\n    }\r\n    if (issues) {\r\n      buttons.push(ISSUES)\r\n    }\r\n    if (option.target) {\r\n      buttons.push(READING)\r\n      if (isFunction(print)) {\r\n        buttons.push(PRINT)\r\n      }\r\n    }\r\n    if (tools?.length > 0) {\r\n      buttons.push(...tools)\r\n    }\r\n    buttons.push(DOWN)\r\n    this.buttons = [...buttons]\r\n\r\n    this.toolbar = new Toolbar({\r\n      placement,\r\n      buttons\r\n    })\r\n\r\n    if (position === 'relative' && showNavModalFirst) {\r\n      this.toolbar.hide()\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  addButton(button) {\r\n    const toolbar = this.toolbar\r\n    const buttons = this.buttons\r\n    buttons.splice(-1, 0, button)\r\n    toolbar.attr({\r\n      buttons\r\n    })\r\n    toolbar.refresh()\r\n    return this\r\n  }\r\n\r\n  removeButton(name) {\r\n    this.toolbar.remove(name)\r\n    return this\r\n  }\r\n\r\n  _updateToolbar({ top, min, max }) {\r\n    const toolbar = this.toolbar\r\n    const current = Math.ceil(top)\r\n\r\n    if (current <= min) {\r\n      toolbar.hide('up')\r\n      toolbar.show('down')\r\n    } else if (current >= max) {\r\n      toolbar.hide('down')\r\n      toolbar.show('up')\r\n    } else if (current > min && current < max) {\r\n      toolbar.show('up')\r\n      toolbar.show('down')\r\n    }\r\n\r\n    return this\r\n  }\r\n\r\n  toTop() {\r\n    const afterScroll = this.attr('afterScroll')\r\n    const toolbar = this.toolbar\r\n    const navigator = this.navigator\r\n    const count = this.count()\r\n    const afterTop = () => {\r\n      toolbar.hide('up')\r\n      toolbar.show('down')\r\n\r\n      if (count > 0) {\r\n        navigator.highlight(0)\r\n        navigator.playing = false\r\n        scrollTo(navigator.$main, 0)\r\n      }\r\n\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(toolbar, 'up')\r\n      }\r\n    }\r\n\r\n    if (count > 0) {\r\n      navigator.playing = true\r\n    }\r\n    this.scrollTo(0, afterTop)\r\n\r\n    return this\r\n  }\r\n\r\n  toBottom() {\r\n    const afterScroll = this.attr('afterScroll')\r\n    const $scrollElement = this.$scrollElement\r\n    const toolbar = this.toolbar\r\n    const navigator = this.navigator\r\n    const count = this.count()\r\n    const top = Math.floor(\r\n      $scrollElement.scrollHeight - $scrollElement.clientHeight\r\n    )\r\n    const afterDown = () => {\r\n      const $main = navigator.$main\r\n      toolbar.hide('down')\r\n      toolbar.show('up')\r\n\r\n      if (count > 0) {\r\n        navigator.highlight(count - 1)\r\n        scrollTo($main, $main.scrollHeight)\r\n        navigator.playing = false\r\n      }\r\n\r\n      if (isFunction(afterScroll)) {\r\n        afterScroll.call(toolbar, 'bottom')\r\n      }\r\n    }\r\n\r\n    if (count > 0) {\r\n      navigator.playing = true\r\n    }\r\n\r\n    this.scrollTo(top, afterDown)\r\n\r\n    return this\r\n  }\r\n\r\n  scrollTo(top, afterScroll) {\r\n    scrollTo(this.$scrollElement, top, afterScroll)\r\n    return this\r\n  }\r\n\r\n  enterReading() {\r\n    const reader = this.reader\r\n\r\n    if (!reader || reader.reading) {\r\n      return this\r\n    }\r\n\r\n    this.toolbar.toggle()\r\n    reader.enter()\r\n\r\n    return this\r\n  }\r\n\r\n  exitReading() {\r\n    const reader = this.reader\r\n\r\n    if (!reader || !reader.reading) {\r\n      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