代码拉取完成，页面将自动刷新
同步操作将从 Yaohaixiao/outline.js 强制同步，此操作会覆盖自 Fork 仓库以来所做的任何修改，且无法恢复！！！
确定后同步将在后台操作，完成时将刷新页面，请耐心等待。
{"version":3,"file":"chapters.min.js","sources":["utils/types/isString.js","utils/lang/hasOwn.js","utils/lang/toString.js","utils/types/isFunction.js","utils/types/isObject.js","utils/observer/_subscribers.js","utils/observer/_hasDirectSubscribersFor.js","utils/observer/has.js","utils/observer/_hasSubscribers.js","utils/observer/emit.js","utils/types/isTypedArray.js","utils/lang/guid.js","utils/observer/_removeSubscriber.js","utils/observer/off.js","utils/observer/_removeSubscriberByToken.js","base.js","utils/lang/extend.js","utils/observer/on.js","utils/types/isElement.js","utils/lang/later.js","utils/event/enum.js","utils/event/_off.js","utils/event/_delete.js","utils/event/purgeElement.js","utils/event/getListeners.js","utils/event/off.js","utils/event/at.js","utils/dom/matches.js","utils/dom/getParentOrHost.js","utils/event/on.js","utils/event/getTarget.js","utils/dom/resolveTextNode.js","utils/dom/closest.js","utils/types/isArray.js","utils/types/isDOM.js","utils/types/isHTMLCollection.js","utils/types/isFragment.js","utils/types/isTextNode.js","utils/dom/createElement.js","utils/dom/setAttributes.js","utils/dom/setAttribute.js","utils/lang/easeInQuad.js","utils/dom/_getScrollElement.js","utils/dom/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","chapters.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 * 检测对象自身属性中是否具有指定的属性。\r\n * ========================================================================\r\n * @method hasOwn\r\n * @param {Object} obj - （必须）检测的目标对象\r\n * @param {String} prop - （必须）属性名\r\n * @returns {Boolean}\r\n */\r\nconst hasOwn = (obj, prop) => {\r\n const hasOwnProperty = Object.prototype.hasOwnProperty\r\n return obj && hasOwnProperty.call(obj, prop)\r\n}\r\n\r\nexport default hasOwn\r\n","/**\r\n * Object 对象原型上的 toString 方法\r\n * ========================================================================\r\n * @method toString\r\n * @param {*} val\r\n * @returns {string}\r\n */\r\nconst toString = (val) => {\r\n return Object.prototype.toString.apply(val)\r\n}\r\n\r\nexport default toString\r\n","import toString from '../lang/toString'\r\n\r\n/**\r\n * 检测测试数据是否为 Function 类型\r\n * ========================================================================\r\n * @method isFunction\r\n * @param {*} val - （必须）待检测的数据\r\n * @returns {boolean} 'val' 是 Function 类型返回 true，否则返回 false\r\n */\r\nconst isFunction = (val) => {\r\n return typeof val === 'function' || toString(val) === '[object Function]'\r\n}\r\n\r\nexport default isFunction\r\n","import toString from '../lang/toString'\r\nimport isFunction from './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","/**\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 this.destroy().initialize(options)\r\n return this\r\n }\r\n\r\n $emit(event, data) {\r\n publish(event, data)\r\n return this\r\n }\r\n\r\n $on(event, callback) {\r\n subscribe(event, callback, this)\r\n return this\r\n }\r\n\r\n $off(event, callback) {\r\n unsubscribe(event, callback)\r\n return this\r\n }\r\n\r\n addListeners() {\r\n return this\r\n }\r\n\r\n removeListeners() {\r\n return this\r\n }\r\n}\r\n\r\nexport default Base\r\n","import hasOwn from './hasOwn'\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 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","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 Base from './base'\r\n\r\nimport isString from './utils/types/isString'\r\nimport isFunction from './utils/types/isFunction'\r\nimport isElement from './utils/types/isElement'\r\nimport later from './utils/lang/later'\r\nimport at from './utils/event/at'\r\nimport on from './utils/event/on'\r\nimport off from './utils/event/off'\r\nimport stop from './utils/event/stop'\r\nimport createElement from './utils/dom/createElement'\r\nimport scrollTo from './utils/dom/scrollTo'\r\nimport addClass from './utils/dom/addClass'\r\nimport intersection from './utils/dom/intersection'\r\nimport removeClass from './utils/dom/removeClass'\r\nimport offsetTop from './utils/dom/offsetTop'\r\nimport 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\nclass Chapters 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(Chapters.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-chapters_sticky'\r\n const HIDDEN = 'outline-chapters_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 $title = createElement(\r\n 'h2',\r\n {\r\n className: 'outline-chapters__title'\r\n },\r\n title\r\n )\r\n this.$title = $title\r\n contents.push($title)\r\n }\r\n\r\n $list = createElement('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 $list 不可见\r\n className: `outline-chapters__list`\r\n })\r\n this.$list = $list\r\n children.push($list)\r\n\r\n if (animationCurrent) {\r\n $placeholder = createElement('div', {\r\n className: 'outline-chapters__placeholder'\r\n })\r\n this.$placeholder = $placeholder\r\n children.push($placeholder)\r\n }\r\n\r\n $main = createElement(\r\n 'div',\r\n {\r\n className: 'outline-chapters__main'\r\n },\r\n children\r\n )\r\n this.$main = $main\r\n contents.push($main)\r\n\r\n $el = createElement(\r\n 'nav',\r\n {\r\n id: 'outline-chapters',\r\n className: `outline-chapters ${HIDDEN}`\r\n },\r\n contents\r\n )\r\n this.$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-chapters-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 = $el.offsetWidth\r\n\r\n if (this.isFixed()) {\r\n this.sticky()\r\n setProperty('--outline-chapters-width', `${this.offsetWidth}px`)\r\n }\r\n\r\n if (isFunction(mounted)) {\r\n mounted.call(this)\r\n }\r\n\r\n 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-chapters_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-chapters_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 = $list.querySelector('.outline-chapters__anchor')\r\n const animationCurrent = this.attr('animationCurrent')\r\n const mainPaddingTop = parseInt(getStyle($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-chapters__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-chapters_active'\r\n const HIGHLIGHT = 'outline-chapters_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\r\n later(() => {\r\n if (!inBounding(this.$active, this.$parentElement)) {\r\n placeholderOffsetTop = this._getPlaceholderOffset(this.active)\r\n scrollTo(this.$main, placeholderOffsetTop)\r\n }\r\n })\r\n } else {\r\n addClass(this.$active, HIGHLIGHT)\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-chapters_fixed'\r\n const $el = this.$el\r\n const top = this.offsetTop\r\n const scrollTop = this.$scrollElement.scrollTop\r\n let isStickying\r\n\r\n if (!this.isFixed()) {\r\n return this\r\n }\r\n\r\n isStickying = scrollTop >= top\r\n\r\n if (isStickying) {\r\n addClass($el, FIXED)\r\n } else {\r\n removeClass($el, FIXED)\r\n }\r\n\r\n if (isFunction(afterSticky)) {\r\n afterSticky.call(this, this.isClosed(), isStickying)\r\n }\r\n\r\n return this\r\n }\r\n\r\n calculateStickyHeight() {\r\n const documentElement = document.documentElement\r\n const height = Math.max(\r\n documentElement.clientHeight || 0,\r\n window.innerHeight || 0\r\n )\r\n setProperty('--outline-sticky-height', `${height}px`)\r\n return this\r\n }\r\n\r\n scrollTo(top, after) {\r\n const el = this.$scrollElement\r\n\r\n scrollTo(el, top, after)\r\n\r\n return this\r\n }\r\n\r\n show() {\r\n const FOLDED = 'outline-chapters_folded'\r\n const HIDDEN = 'outline-chapters_hidden'\r\n const opened = this.attr('afterOpened')\r\n const 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-chapters_folded'\r\n const HIDDEN = 'outline-chapters_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-chapters__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\nChapters.DEFAULTS = {\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\nexport default Chapters\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 rel = chapter.rel\r\n const children = []\r\n const $text = createElement(\r\n 'span',\r\n {\r\n className: 'outline-chapters__text'\r\n },\r\n chapter.text\r\n )\r\n 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 $code = createElement(\r\n 'span',\r\n {\r\n className: 'outline-chapters__code',\r\n 'data-id': id\r\n },\r\n chapter.code\r\n )\r\n\r\n children.push($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-chapters__anchor',\r\n href: '#' + rel,\r\n rel: rel,\r\n 'data-id': id\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-chapters__item',\r\n 'data-id': id\r\n },\r\n $link\r\n )\r\n\r\n if (pid === -1) {\r\n $list.appendChild($li)\r\n } else {\r\n $chapter = byId(`chapter-${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-chapters__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 : 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