;\n}}\n );\nexport default ButtonGroup;\n","var __rest = (this && this.__rest) || function (s, e) {\n var t = {};\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\n t[p] = s[p];\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\n t[p[i]] = s[p[i]];\n }\n return t;\n};\n/* eslint-disable react/button-has-type */\nimport * as React from 'react';\nimport classNames from 'classnames';\nimport { LoadingOutlined } from '@ant-design/icons';\nimport omit from 'omit.js';\nimport { ConfigContext } from '../config-provider';\nimport Wave from '../_util/wave';\nimport { tuple } from '../_util/type';\nimport warning from '../_util/warning';\nimport SizeContext from '../config-provider/SizeContext';\nconst rxTwoCNChar = /^[\\u4e00-\\u9fa5]{2}$/;\nconst isTwoCNChar = rxTwoCNChar.test.bind(rxTwoCNChar);\nfunction isString(str) {\n return typeof str === 'string';\n}\n// Insert one space between two chinese characters automatically.\nfunction insertSpace(child, needInserted) {\n // Check the child if is undefined or null.\n if (child == null) {\n return;\n }\n const SPACE = needInserted ? ' ' : '';\n // strictNullChecks oops.\n if (typeof child !== 'string' &&\n typeof child !== 'number' &&\n isString(child.type) &&\n isTwoCNChar(child.props.children)) {\n return React.cloneElement(child, {}, child.props.children.split('').join(SPACE));\n }\n if (typeof child === 'string') {\n if (isTwoCNChar(child)) {\n child = child.split('').join(SPACE);\n }\n return
{child};\n }\n return child;\n}\nfunction spaceChildren(children, needInserted) {\n let isPrevChildPure = false;\n const childList = [];\n React.Children.forEach(children, child => {\n const type = typeof child;\n const isCurrentChildPure = type === 'string' || type === 'number';\n if (isPrevChildPure && isCurrentChildPure) {\n const lastIndex = childList.length - 1;\n const lastChild = childList[lastIndex];\n childList[lastIndex] = `${lastChild}${child}`;\n }\n else {\n childList.push(child);\n }\n isPrevChildPure = isCurrentChildPure;\n });\n // Pass to React.Children.map to auto fill key\n return React.Children.map(childList, child => insertSpace(child, needInserted));\n}\nconst ButtonTypes = tuple('default', 'primary', 'ghost', 'dashed', 'danger', 'link');\nconst ButtonShapes = tuple('circle', 'circle-outline', 'round');\nconst ButtonHTMLTypes = tuple('submit', 'button', 'reset');\nclass Button extends React.Component {\n constructor(props) {\n super(props);\n this.saveButtonRef = (node) => {\n this.buttonNode = node;\n };\n this.handleClick = e => {\n const { loading } = this.state;\n const { onClick } = this.props;\n if (loading) {\n return;\n }\n if (onClick) {\n onClick(e);\n }\n };\n this.state = {\n loading: props.loading,\n hasTwoCNChar: false,\n };\n }\n componentDidMount() {\n this.fixTwoCNChar();\n }\n componentDidUpdate(prevProps) {\n this.fixTwoCNChar();\n if (prevProps.loading && typeof prevProps.loading !== 'boolean') {\n clearTimeout(this.delayTimeout);\n }\n const { loading } = this.props;\n if (loading && typeof loading !== 'boolean' && loading.delay) {\n this.delayTimeout = window.setTimeout(() => {\n this.setState({ loading });\n }, loading.delay);\n }\n else if (prevProps.loading !== loading) {\n // eslint-disable-next-line react/no-did-update-set-state\n this.setState({ loading });\n }\n }\n componentWillUnmount() {\n if (this.delayTimeout) {\n clearTimeout(this.delayTimeout);\n }\n }\n fixTwoCNChar() {\n const { autoInsertSpaceInButton } = this.context;\n // Fix for HOC usage like
\n if (!this.buttonNode || autoInsertSpaceInButton === false) {\n return;\n }\n const buttonText = this.buttonNode.textContent;\n if (this.isNeedInserted() && isTwoCNChar(buttonText)) {\n if (!this.state.hasTwoCNChar) {\n this.setState({\n hasTwoCNChar: true,\n });\n }\n }\n else if (this.state.hasTwoCNChar) {\n this.setState({\n hasTwoCNChar: false,\n });\n }\n }\n isNeedInserted() {\n const { icon, children, type } = this.props;\n return React.Children.count(children) === 1 && !icon && type !== 'link';\n }\n render() {\n const { getPrefixCls, autoInsertSpaceInButton, direction } = this.context;\n return (
\n {size => {\n const _a = this.props, { prefixCls: customizePrefixCls, type, danger, shape, size: customizeSize, className, children, icon, ghost, block } = _a, rest = __rest(_a, [\"prefixCls\", \"type\", \"danger\", \"shape\", \"size\", \"className\", \"children\", \"icon\", \"ghost\", \"block\"]);\n const { loading, hasTwoCNChar } = this.state;\n warning(!(typeof icon === 'string' && icon.length > 2), 'Button', `\\`icon\\` is using ReactNode instead of string naming in v4. Please check \\`${icon}\\` at https://ant.design/components/icon`);\n const prefixCls = getPrefixCls('btn', customizePrefixCls);\n const autoInsertSpace = autoInsertSpaceInButton !== false;\n // large => lg\n // small => sm\n let sizeCls = '';\n switch (customizeSize || size) {\n case 'large':\n sizeCls = 'lg';\n break;\n case 'small':\n sizeCls = 'sm';\n break;\n default:\n break;\n }\n const iconType = loading ? 'loading' : icon;\n const classes = classNames(prefixCls, className, {\n [`${prefixCls}-${type}`]: type,\n [`${prefixCls}-${shape}`]: shape,\n [`${prefixCls}-${sizeCls}`]: sizeCls,\n [`${prefixCls}-icon-only`]: !children && children !== 0 && iconType,\n [`${prefixCls}-loading`]: !!loading,\n [`${prefixCls}-background-ghost`]: ghost,\n [`${prefixCls}-two-chinese-chars`]: hasTwoCNChar && autoInsertSpace,\n [`${prefixCls}-block`]: block,\n [`${prefixCls}-dangerous`]: !!danger,\n [`${prefixCls}-rtl`]: direction === 'rtl',\n });\n const iconNode = loading ? : icon || null;\n const kids = children || children === 0\n ? spaceChildren(children, this.isNeedInserted() && autoInsertSpace)\n : null;\n const linkButtonRestProps = omit(rest, ['htmlType', 'loading']);\n if (linkButtonRestProps.href !== undefined) {\n return (\n {iconNode}\n {kids}\n );\n }\n // React does not recognize the `htmlType` prop on a DOM element. Here we pick it out of `rest`.\n const _b = rest, { htmlType } = _b, otherProps = __rest(_b, [\"htmlType\"]);\n const buttonNode = ();\n if (type === 'link') {\n return buttonNode;\n }\n return {buttonNode};\n }}\n );\n }\n}\nButton.__ANT_BUTTON = true;\nButton.contextType = ConfigContext;\nButton.defaultProps = {\n loading: false,\n ghost: false,\n block: false,\n htmlType: 'button',\n};\nexport default Button;\n","import Button from './button';\nimport ButtonGroup from './button-group';\nButton.Group = ButtonGroup;\nexport default Button;\n","import '../../style/index.less';\nimport './index.less';\n","import en_US from '../../date-picker/locale/en_US';\nexport default en_US;\n","import '../../style/index.less';\nimport './index.less';\n","import * as React from 'react';\nconst SizeContext = React.createContext(undefined);\nexport const SizeContextProvider = ({ children, size }) => (
\n {originSize => ({children})}\n );\nexport default SizeContext;\n","import * as React from 'react';\nimport defaultRenderEmpty from './renderEmpty';\nexport const ConfigContext = React.createContext({\n // We provide a default function for Context without provider\n getPrefixCls: (suffixCls, customizePrefixCls) => {\n if (customizePrefixCls)\n return customizePrefixCls;\n return `ant-${suffixCls}`;\n },\n renderEmpty: defaultRenderEmpty,\n});\nexport const ConfigConsumer = ConfigContext.Consumer;\nexport function withConfigConsumer(config) {\n return function withConfigConsumerFunc(Component) {\n // Wrap with ConfigConsumer. Since we need compatible with react 15, be care when using ref methods\n const SFC = ((props) => (
\n {(configProps) => {\n const { prefixCls: basicPrefixCls } = config;\n const { getPrefixCls } = configProps;\n const { prefixCls: customizePrefixCls } = props;\n const prefixCls = getPrefixCls(basicPrefixCls, customizePrefixCls);\n return ;\n }}\n ));\n const cons = Component.constructor;\n const name = (cons && cons.displayName) || Component.name || 'Component';\n SFC.displayName = `withConfigConsumer(${name})`;\n return SFC;\n };\n}\n","// TODO: remove this lint\n// SFC has specified a displayName, but not worked.\n/* eslint-disable react/display-name */\nimport * as React from 'react';\nimport { FormProvider as RcFormProvider } from 'rc-field-form';\nimport LocaleProvider, { ANT_MARK } from '../locale-provider';\nimport LocaleReceiver from '../locale-provider/LocaleReceiver';\nimport { ConfigConsumer, ConfigContext } from './context';\nimport { SizeContextProvider } from './SizeContext';\nexport { ConfigContext, ConfigConsumer };\nexport const configConsumerProps = [\n 'getPopupContainer',\n 'rootPrefixCls',\n 'getPrefixCls',\n 'renderEmpty',\n 'csp',\n 'autoInsertSpaceInButton',\n 'locale',\n 'pageHeader',\n];\nclass ConfigProvider extends React.Component {\n constructor() {\n super(...arguments);\n this.getPrefixCls = (suffixCls, customizePrefixCls) => {\n const { prefixCls = 'ant' } = this.props;\n if (customizePrefixCls)\n return customizePrefixCls;\n return suffixCls ? `${prefixCls}-${suffixCls}` : prefixCls;\n };\n this.renderProvider = (context, legacyLocale) => {\n const { children, getPopupContainer, renderEmpty, csp, autoInsertSpaceInButton, form, locale, pageHeader, componentSize, direction, } = this.props;\n const config = Object.assign(Object.assign({}, context), { getPrefixCls: this.getPrefixCls, csp,\n autoInsertSpaceInButton, locale: locale || legacyLocale, direction });\n if (getPopupContainer) {\n config.getPopupContainer = getPopupContainer;\n }\n if (renderEmpty) {\n config.renderEmpty = renderEmpty;\n }\n if (pageHeader) {\n config.pageHeader = pageHeader;\n }\n let childNode = children;\n // Additional Form provider\n if (form && form.validateMessages) {\n childNode = (
{children});\n }\n return (
\n \n \n {childNode}\n \n \n );\n };\n }\n render() {\n return (
\n {(_, __, legacyLocale) => (\n {context => this.renderProvider(context, legacyLocale)}\n )}\n );\n }\n}\nexport default ConfigProvider;\n","import * as React from 'react';\nimport Empty from '../empty';\nimport { ConfigConsumer } from '.';\nconst renderEmpty = (componentName) => (
\n {({ getPrefixCls }) => {\n const prefix = getPrefixCls('empty');\n switch (componentName) {\n case 'Table':\n case 'List':\n return ;\n case 'Select':\n case 'TreeSelect':\n case 'Cascader':\n case 'Transfer':\n case 'Mentions':\n return ;\n default:\n return ;\n }\n}}\n );\nexport default renderEmpty;\n","import * as React from 'react';\nimport Button from '../button';\nexport default function PickerButton(props) {\n return
;\n}\n","import * as React from 'react';\nimport Tag from '../tag';\nexport default function PickerButton(props) {\n return
;\n}\n","var __rest = (this && this.__rest) || function (s, e) {\n var t = {};\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\n t[p] = s[p];\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\n t[p[i]] = s[p[i]];\n }\n return t;\n};\nimport * as React from 'react';\nimport classNames from 'classnames';\nimport RCPicker, { RangePicker as RCRangePicker } from 'rc-picker';\nimport { CalendarOutlined, ClockCircleOutlined, CloseCircleFilled } from '@ant-design/icons';\nimport { ConfigContext } from '../config-provider';\nimport LocaleReceiver from '../locale-provider/LocaleReceiver';\nimport enUS from './locale/en_US';\nimport { getPlaceholder, getRangePlaceholder } from './util';\nimport PickerButton from './PickerButton';\nimport PickerTag from './PickerTag';\nimport SizeContext from '../config-provider/SizeContext';\nconst Components = { button: PickerButton, rangeItem: PickerTag };\nfunction toArray(list) {\n if (!list) {\n return [];\n }\n return Array.isArray(list) ? list : [list];\n}\nfunction getTimeProps(props) {\n const { format, picker, showHour, showMinute, showSecond, use12Hours } = props;\n const firstFormat = toArray(format)[0];\n const showTimeObj = Object.assign({}, props);\n if (firstFormat) {\n if (!firstFormat.includes('s') && showSecond === undefined) {\n showTimeObj.showSecond = false;\n }\n if (!firstFormat.includes('m') && showMinute === undefined) {\n showTimeObj.showMinute = false;\n }\n if (!firstFormat.includes('H') && !firstFormat.includes('h') && showHour === undefined) {\n showTimeObj.showHour = false;\n }\n if ((firstFormat.includes('a') || firstFormat.includes('A')) && use12Hours === undefined) {\n showTimeObj.use12Hours = true;\n }\n }\n if (picker === 'time') {\n return showTimeObj;\n }\n return {\n showTime: showTimeObj,\n };\n}\nfunction generatePicker(generateConfig) {\n function getPicker(picker, displayName) {\n class Picker extends React.Component {\n constructor() {\n super(...arguments);\n this.pickerRef = React.createRef();\n this.focus = () => {\n if (this.pickerRef.current) {\n this.pickerRef.current.focus();\n }\n };\n this.blur = () => {\n if (this.pickerRef.current) {\n this.pickerRef.current.blur();\n }\n };\n this.getDefaultLocale = () => {\n const { locale } = this.props;\n const result = Object.assign(Object.assign({}, enUS), locale);\n result.lang = Object.assign(Object.assign({}, result.lang), (locale || {}).lang);\n return result;\n };\n this.renderPicker = (locale) => {\n const { getPrefixCls, direction } = this.context;\n const _a = this.props, { prefixCls: customizePrefixCls, className, size: customizeSize, bordered = true } = _a, restProps = __rest(_a, [\"prefixCls\", \"className\", \"size\", \"bordered\"]);\n const { format, showTime } = this.props;\n const prefixCls = getPrefixCls('picker', customizePrefixCls);\n const additionalProps = {\n showToday: true,\n };\n let additionalOverrideProps = {};\n if (picker) {\n additionalOverrideProps.picker = picker;\n }\n const mergedPicker = picker || this.props.picker;\n additionalOverrideProps = Object.assign(Object.assign(Object.assign({}, additionalOverrideProps), (showTime ? getTimeProps(Object.assign({ format, picker: mergedPicker }, showTime)) : {})), (mergedPicker === 'time'\n ? getTimeProps(Object.assign(Object.assign({ format }, this.props), { picker: mergedPicker }))\n : {}));\n return (
\n {size => {\n const mergedSize = customizeSize || size;\n return ( : } clearIcon={} allowClear transitionName=\"slide-up\" {...additionalProps} {...restProps} {...additionalOverrideProps} locale={locale.lang} className={classNames(className, {\n [`${prefixCls}-${mergedSize}`]: mergedSize,\n [`${prefixCls}-borderless`]: !bordered,\n })} prefixCls={prefixCls} generateConfig={generateConfig} prevIcon={} nextIcon={} superPrevIcon={} superNextIcon={} components={Components} direction={direction}/>);\n }}\n );\n };\n }\n render() {\n return (
\n {this.renderPicker}\n );\n }\n }\n Picker.contextType = ConfigContext;\n if (displayName) {\n Picker.displayName = displayName;\n }\n return Picker;\n }\n const DatePicker = getPicker();\n const WeekPicker = getPicker('week', 'WeekPicker');\n const MonthPicker = getPicker('month', 'MonthPicker');\n const YearPicker = getPicker('year', 'YearPicker');\n const TimePicker = getPicker('time', 'TimePicker');\n // ======================== Range Picker ========================\n class RangePicker extends React.Component {\n constructor() {\n super(...arguments);\n this.pickerRef = React.createRef();\n this.focus = () => {\n if (this.pickerRef.current) {\n this.pickerRef.current.focus();\n }\n };\n this.blur = () => {\n if (this.pickerRef.current) {\n this.pickerRef.current.blur();\n }\n };\n this.getDefaultLocale = () => {\n const { locale } = this.props;\n const result = Object.assign(Object.assign({}, enUS), locale);\n result.lang = Object.assign(Object.assign({}, result.lang), (locale || {}).lang);\n return result;\n };\n this.renderPicker = (locale) => {\n const { getPrefixCls, direction } = this.context;\n const _a = this.props, { prefixCls: customizePrefixCls, className, size, bordered = true } = _a, restProps = __rest(_a, [\"prefixCls\", \"className\", \"size\", \"bordered\"]);\n const { format, showTime, picker } = this.props;\n const prefixCls = getPrefixCls('picker', customizePrefixCls);\n let additionalOverrideProps = {};\n additionalOverrideProps = Object.assign(Object.assign(Object.assign({}, additionalOverrideProps), (showTime ? getTimeProps(Object.assign({ format, picker }, showTime)) : {})), (picker === 'time' ? getTimeProps(Object.assign(Object.assign({ format }, this.props), { picker })) : {}));\n return (
→} ref={this.pickerRef} placeholder={getRangePlaceholder(picker, locale)} suffixIcon={picker === 'time' ? : } clearIcon={} allowClear transitionName=\"slide-up\" {...restProps} className={classNames(className, {\n [`${prefixCls}-${size}`]: size,\n [`${prefixCls}-borderless`]: !bordered,\n })} {...additionalOverrideProps} locale={locale.lang} prefixCls={prefixCls} generateConfig={generateConfig} prevIcon={} nextIcon={} superPrevIcon={} superNextIcon={} components={Components} direction={direction}/>);\n };\n }\n render() {\n return (\n {this.renderPicker}\n );\n }\n }\n RangePicker.contextType = ConfigContext;\n const MergedDatePicker = DatePicker;\n MergedDatePicker.WeekPicker = WeekPicker;\n MergedDatePicker.MonthPicker = MonthPicker;\n MergedDatePicker.YearPicker = YearPicker;\n MergedDatePicker.RangePicker = RangePicker;\n MergedDatePicker.TimePicker = TimePicker;\n return MergedDatePicker;\n}\nexport default generatePicker;\n","import momentGenerateConfig from 'rc-picker/lib/generate/moment';\nimport generatePicker from './generatePicker';\nconst DatePicker = generatePicker(momentGenerateConfig);\nexport default DatePicker;\n","import CalendarLocale from 'rc-picker/lib/locale/en_US';\nimport TimePickerLocale from '../../time-picker/locale/en_US';\n// Merge into a locale object\nconst locale = {\n lang: Object.assign({ placeholder: 'Select date', yearPlaceholder: 'Select year', monthPlaceholder: 'Select month', weekPlaceholder: 'Select week', rangePlaceholder: ['Start date', 'End date'], rangeYearPlaceholder: ['Start year', 'End year'], rangeMonthPlaceholder: ['Start month', 'End month'], rangeWeekPlaceholder: ['Start week', 'End week'] }, CalendarLocale),\n timePickerLocale: Object.assign({}, TimePickerLocale),\n};\n// All settings at:\n// https://github.com/ant-design/ant-design/blob/master/components/date-picker/locale/example.json\nexport default locale;\n","import './index.less';\n// style dependencies\nimport '../../tag/style';\nimport '../../button/style';\n","export function getPlaceholder(picker, locale) {\n if (picker === 'year' && locale.lang.yearPlaceholder) {\n return locale.lang.yearPlaceholder;\n }\n if (picker === 'month' && locale.lang.monthPlaceholder) {\n return locale.lang.monthPlaceholder;\n }\n if (picker === 'week' && locale.lang.weekPlaceholder) {\n return locale.lang.weekPlaceholder;\n }\n if (picker === 'time' && locale.timePickerLocale.placeholder) {\n return locale.timePickerLocale.placeholder;\n }\n return locale.lang.placeholder;\n}\nexport function getRangePlaceholder(picker, locale) {\n if (picker === 'year' && locale.lang.yearPlaceholder) {\n return locale.lang.rangeYearPlaceholder;\n }\n if (picker === 'month' && locale.lang.monthPlaceholder) {\n return locale.lang.rangeMonthPlaceholder;\n }\n if (picker === 'week' && locale.lang.weekPlaceholder) {\n return locale.lang.rangeWeekPlaceholder;\n }\n if (picker === 'time' && locale.timePickerLocale.placeholder) {\n return locale.timePickerLocale.rangePlaceholder;\n }\n return locale.lang.rangePlaceholder;\n}\n","import * as React from 'react';\nimport { ConfigContext } from '../config-provider';\nconst Empty = () => {\n const { getPrefixCls } = React.useContext(ConfigContext);\n const prefixCls = getPrefixCls('empty-img-default');\n return ();\n};\nexport default Empty;\n","var __rest = (this && this.__rest) || function (s, e) {\n var t = {};\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\n t[p] = s[p];\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\n t[p[i]] = s[p[i]];\n }\n return t;\n};\nimport * as React from 'react';\nimport classNames from 'classnames';\nimport { ConfigConsumer } from '../config-provider';\nimport LocaleReceiver from '../locale-provider/LocaleReceiver';\nimport DefaultEmptyImg from './empty';\nimport SimpleEmptyImg from './simple';\nconst defaultEmptyImg = ;\nconst simpleEmptyImg = ;\nconst Empty = (props) => (\n {({ getPrefixCls, direction }) => {\n const { className, prefixCls: customizePrefixCls, image = defaultEmptyImg, description, children, imageStyle } = props, restProps = __rest(props, [\"className\", \"prefixCls\", \"image\", \"description\", \"children\", \"imageStyle\"]);\n return (\n {(locale) => {\n const prefixCls = getPrefixCls('empty', customizePrefixCls);\n const des = typeof description !== 'undefined' ? description : locale.description;\n const alt = typeof des === 'string' ? des : 'empty';\n let imageNode = null;\n if (typeof image === 'string') {\n imageNode = 
;\n }\n else {\n imageNode = image;\n }\n return (\n
\n {imageNode}\n
\n {des &&
{des}
}\n {children &&
{children}
}\n
\n
\n 元素 6 高 100px 宽 50px
\n
\n
\n utils.offset(\n source,\n {\n left: newElRegion.left,\n top: newElRegion.top,\n },\n {\n useCssRight: align.useCssRight,\n useCssBottom: align.useCssBottom,\n useCssTransform: align.useCssTransform,\n ignoreShake: align.ignoreShake,\n },\n );\n\n return {\n points,\n offset,\n targetOffset,\n overflow: newOverflowCfg,\n };\n}\n\nexport default doAlign;\n/**\n * 2012-04-26 yiminghe@gmail.com\n * - 优化智能对齐算法\n * - 慎用 resizeXX\n *\n * 2011-07-13 yiminghe@gmail.com note:\n * - 增加智能对齐，以及大小调整选项\n **/\n","import utils from './utils';\n\nfunction adjustForViewport(elFuturePos, elRegion, visibleRect, overflow) {\n const pos = utils.clone(elFuturePos);\n const size = {\n width: elRegion.width,\n height: elRegion.height,\n };\n\n if (overflow.adjustX && pos.left < visibleRect.left) {\n pos.left = visibleRect.left;\n }\n\n // Left edge inside and right edge outside viewport, try to resize it.\n if (\n overflow.resizeWidth &&\n pos.left >= visibleRect.left &&\n pos.left + size.width > visibleRect.right\n ) {\n size.width -= pos.left + size.width - visibleRect.right;\n }\n\n // Right edge outside viewport, try to move it.\n if (overflow.adjustX && pos.left + size.width > visibleRect.right) {\n // 保证左边界和可视区域左边界对齐\n pos.left = Math.max(visibleRect.right - size.width, visibleRect.left);\n }\n\n // Top edge outside viewport, try to move it.\n if (overflow.adjustY && pos.top < visibleRect.top) {\n pos.top = visibleRect.top;\n }\n\n // Top edge inside and bottom edge outside viewport, try to resize it.\n if (\n overflow.resizeHeight &&\n pos.top >= visibleRect.top &&\n pos.top + size.height > visibleRect.bottom\n ) {\n size.height -= pos.top + size.height - visibleRect.bottom;\n }\n\n // Bottom edge outside viewport, try to move it.\n if (overflow.adjustY && pos.top + size.height > visibleRect.bottom) {\n // 保证上边界和可视区域上边界对齐\n pos.top = Math.max(visibleRect.bottom - size.height, visibleRect.top);\n }\n\n return utils.mix(pos, size);\n}\n\nexport default adjustForViewport;\n","import doAlign from './align';\nimport getOffsetParent from '../getOffsetParent';\nimport getVisibleRectForElement from '../getVisibleRectForElement';\nimport getRegion from '../getRegion';\n\nfunction isOutOfVisibleRect(target, alwaysByViewport) {\n const visibleRect = getVisibleRectForElement(target, alwaysByViewport);\n const targetRegion = getRegion(target);\n\n return (\n !visibleRect ||\n targetRegion.left + targetRegion.width <= visibleRect.left ||\n targetRegion.top + targetRegion.height <= visibleRect.top ||\n targetRegion.left >= visibleRect.right ||\n targetRegion.top >= visibleRect.bottom\n );\n}\n\nfunction alignElement(el, refNode, align) {\n const target = align.target || refNode;\n const refNodeRegion = getRegion(target);\n\n const isTargetNotOutOfVisible = !isOutOfVisibleRect(\n target,\n align.overflow && align.overflow.alwaysByViewport,\n );\n\n return doAlign(el, refNodeRegion, align, isTargetNotOutOfVisible);\n}\n\nalignElement.__getOffsetParent = getOffsetParent;\n\nalignElement.__getVisibleRectForElement = getVisibleRectForElement;\n\nexport default alignElement;\n","import utils from '../utils';\nimport doAlign from './align';\n\n/**\n * `tgtPoint`: { pageX, pageY } or { clientX, clientY }.\n * If client position provided, will internal convert to page position.\n */\n\nfunction alignPoint(el, tgtPoint, align) {\n let pageX;\n let pageY;\n\n const doc = utils.getDocument(el);\n const win = doc.defaultView || doc.parentWindow;\n\n const scrollX = utils.getWindowScrollLeft(win);\n const scrollY = utils.getWindowScrollTop(win);\n const viewportWidth = utils.viewportWidth(win);\n const viewportHeight = utils.viewportHeight(win);\n\n if ('pageX' in tgtPoint) {\n pageX = tgtPoint.pageX;\n } else {\n pageX = scrollX + tgtPoint.clientX;\n }\n\n if ('pageY' in tgtPoint) {\n pageY = tgtPoint.pageY;\n } else {\n pageY = scrollY + tgtPoint.clientY;\n }\n\n const tgtRegion = {\n left: pageX,\n top: pageY,\n width: 0,\n height: 0,\n };\n\n const pointInView =\n pageX >= 0 &&\n pageX <= scrollX + viewportWidth &&\n (pageY >= 0 && pageY <= scrollY + viewportHeight);\n\n // Provide default target point\n const points = [align.points[0], 'cc'];\n\n return doAlign(el, tgtRegion, { ...align, points }, pointInView);\n}\n\nexport default alignPoint;\n","const freeze =\n Object.freeze ||\n function(x) {\n return x;\n };\n\nexport const html = freeze([\n 'a',\n 'abbr',\n 'acronym',\n 'address',\n 'area',\n 'article',\n 'aside',\n 'audio',\n 'b',\n 'bdi',\n 'bdo',\n 'big',\n 'blink',\n 'blockquote',\n 'body',\n 'br',\n 'button',\n 'canvas',\n 'caption',\n 'center',\n 'cite',\n 'code',\n 'col',\n 'colgroup',\n 'content',\n 'data',\n 'datalist',\n 'dd',\n 'decorator',\n 'del',\n 'details',\n 'dfn',\n 'dir',\n 'div',\n 'dl',\n 'dt',\n 'element',\n 'em',\n 'fieldset',\n 'figcaption',\n 'figure',\n 'font',\n 'footer',\n 'form',\n 'h1',\n 'h2',\n 'h3',\n 'h4',\n 'h5',\n 'h6',\n 'head',\n 'header',\n 'hgroup',\n 'hr',\n 'html',\n 'i',\n 'img',\n 'input',\n 'ins',\n 'kbd',\n 'label',\n 'legend',\n 'li',\n 'main',\n 'map',\n 'mark',\n 'marquee',\n 'menu',\n 'menuitem',\n 'meter',\n 'nav',\n 'nobr',\n 'ol',\n 'optgroup',\n 'option',\n 'output',\n 'p',\n 'pre',\n 'progress',\n 'q',\n 'rp',\n 'rt',\n 'ruby',\n 's',\n 'samp',\n 'section',\n 'select',\n 'shadow',\n 'small',\n 'source',\n 'spacer',\n 'span',\n 'strike',\n 'strong',\n 'style',\n 'sub',\n 'summary',\n 'sup',\n 'table',\n 'tbody',\n 'td',\n 'template',\n 'textarea',\n 'tfoot',\n 'th',\n 'thead',\n 'time',\n 'tr',\n 'track',\n 'tt',\n 'u',\n 'ul',\n 'var',\n 'video',\n 'wbr',\n]);\n\n// SVG\nexport const svg = freeze([\n 'svg',\n 'a',\n 'altglyph',\n 'altglyphdef',\n 'altglyphitem',\n 'animatecolor',\n 'animatemotion',\n 'animatetransform',\n 'audio',\n 'canvas',\n 'circle',\n 'clippath',\n 'defs',\n 'desc',\n 'ellipse',\n 'filter',\n 'font',\n 'g',\n 'glyph',\n 'glyphref',\n 'hkern',\n 'image',\n 'line',\n 'lineargradient',\n 'marker',\n 'mask',\n 'metadata',\n 'mpath',\n 'path',\n 'pattern',\n 'polygon',\n 'polyline',\n 'radialgradient',\n 'rect',\n 'stop',\n 'style',\n 'switch',\n 'symbol',\n 'text',\n 'textpath',\n 'title',\n 'tref',\n 'tspan',\n 'video',\n 'view',\n 'vkern',\n]);\n\nexport const svgFilters = freeze([\n 'feBlend',\n 'feColorMatrix',\n 'feComponentTransfer',\n 'feComposite',\n 'feConvolveMatrix',\n 'feDiffuseLighting',\n 'feDisplacementMap',\n 'feDistantLight',\n 'feFlood',\n 'feFuncA',\n 'feFuncB',\n 'feFuncG',\n 'feFuncR',\n 'feGaussianBlur',\n 'feMerge',\n 'feMergeNode',\n 'feMorphology',\n 'feOffset',\n 'fePointLight',\n 'feSpecularLighting',\n 'feSpotLight',\n 'feTile',\n 'feTurbulence',\n]);\n\nexport const mathMl = freeze([\n 'math',\n 'menclose',\n 'merror',\n 'mfenced',\n 'mfrac',\n 'mglyph',\n 'mi',\n 'mlabeledtr',\n 'mmultiscripts',\n 'mn',\n 'mo',\n 'mover',\n 'mpadded',\n 'mphantom',\n 'mroot',\n 'mrow',\n 'ms',\n 'mspace',\n 'msqrt',\n 'mstyle',\n 'msub',\n 'msup',\n 'msubsup',\n 'mtable',\n 'mtd',\n 'mtext',\n 'mtr',\n 'munder',\n 'munderover',\n]);\n\nexport const text = freeze(['#text']);\n","const freeze =\n Object.freeze ||\n function(x) {\n return x;\n };\n\nexport const html = freeze([\n 'accept',\n 'action',\n 'align',\n 'alt',\n 'autocomplete',\n 'background',\n 'bgcolor',\n 'border',\n 'cellpadding',\n 'cellspacing',\n 'checked',\n 'cite',\n 'class',\n 'clear',\n 'color',\n 'cols',\n 'colspan',\n 'coords',\n 'crossorigin',\n 'datetime',\n 'default',\n 'dir',\n 'disabled',\n 'download',\n 'enctype',\n 'face',\n 'for',\n 'headers',\n 'height',\n 'hidden',\n 'high',\n 'href',\n 'hreflang',\n 'id',\n 'integrity',\n 'ismap',\n 'label',\n 'lang',\n 'list',\n 'loop',\n 'low',\n 'max',\n 'maxlength',\n 'media',\n 'method',\n 'min',\n 'multiple',\n 'name',\n 'noshade',\n 'novalidate',\n 'nowrap',\n 'open',\n 'optimum',\n 'pattern',\n 'placeholder',\n 'poster',\n 'preload',\n 'pubdate',\n 'radiogroup',\n 'readonly',\n 'rel',\n 'required',\n 'rev',\n 'reversed',\n 'role',\n 'rows',\n 'rowspan',\n 'spellcheck',\n 'scope',\n 'selected',\n 'shape',\n 'size',\n 'sizes',\n 'span',\n 'srclang',\n 'start',\n 'src',\n 'srcset',\n 'step',\n 'style',\n 'summary',\n 'tabindex',\n 'title',\n 'type',\n 'usemap',\n 'valign',\n 'value',\n 'width',\n 'xmlns',\n]);\n\nexport const svg = freeze([\n 'accent-height',\n 'accumulate',\n 'additive',\n 'alignment-baseline',\n 'ascent',\n 'attributename',\n 'attributetype',\n 'azimuth',\n 'basefrequency',\n 'baseline-shift',\n 'begin',\n 'bias',\n 'by',\n 'class',\n 'clip',\n 'clip-path',\n 'clip-rule',\n 'color',\n 'color-interpolation',\n 'color-interpolation-filters',\n 'color-profile',\n 'color-rendering',\n 'cx',\n 'cy',\n 'd',\n 'dx',\n 'dy',\n 'diffuseconstant',\n 'direction',\n 'display',\n 'divisor',\n 'dur',\n 'edgemode',\n 'elevation',\n 'end',\n 'fill',\n 'fill-opacity',\n 'fill-rule',\n 'filter',\n 'flood-color',\n 'flood-opacity',\n 'font-family',\n 'font-size',\n 'font-size-adjust',\n 'font-stretch',\n 'font-style',\n 'font-variant',\n 'font-weight',\n 'fx',\n 'fy',\n 'g1',\n 'g2',\n 'glyph-name',\n 'glyphref',\n 'gradientunits',\n 'gradienttransform',\n 'height',\n 'href',\n 'id',\n 'image-rendering',\n 'in',\n 'in2',\n 'k',\n 'k1',\n 'k2',\n 'k3',\n 'k4',\n 'kerning',\n 'keypoints',\n 'keysplines',\n 'keytimes',\n 'lang',\n 'lengthadjust',\n 'letter-spacing',\n 'kernelmatrix',\n 'kernelunitlength',\n 'lighting-color',\n 'local',\n 'marker-end',\n 'marker-mid',\n 'marker-start',\n 'markerheight',\n 'markerunits',\n 'markerwidth',\n 'maskcontentunits',\n 'maskunits',\n 'max',\n 'mask',\n 'media',\n 'method',\n 'mode',\n 'min',\n 'name',\n 'numoctaves',\n 'offset',\n 'operator',\n 'opacity',\n 'order',\n 'orient',\n 'orientation',\n 'origin',\n 'overflow',\n 'paint-order',\n 'path',\n 'pathlength',\n 'patterncontentunits',\n 'patterntransform',\n 'patternunits',\n 'points',\n 'preservealpha',\n 'preserveaspectratio',\n 'r',\n 'rx',\n 'ry',\n 'radius',\n 'refx',\n 'refy',\n 'repeatcount',\n 'repeatdur',\n 'restart',\n 'result',\n 'rotate',\n 'scale',\n 'seed',\n 'shape-rendering',\n 'specularconstant',\n 'specularexponent',\n 'spreadmethod',\n 'stddeviation',\n 'stitchtiles',\n 'stop-color',\n 'stop-opacity',\n 'stroke-dasharray',\n 'stroke-dashoffset',\n 'stroke-linecap',\n 'stroke-linejoin',\n 'stroke-miterlimit',\n 'stroke-opacity',\n 'stroke',\n 'stroke-width',\n 'style',\n 'surfacescale',\n 'tabindex',\n 'targetx',\n 'targety',\n 'transform',\n 'text-anchor',\n 'text-decoration',\n 'text-rendering',\n 'textlength',\n 'type',\n 'u1',\n 'u2',\n 'unicode',\n 'values',\n 'viewbox',\n 'visibility',\n 'version',\n 'vert-adv-y',\n 'vert-origin-x',\n 'vert-origin-y',\n 'width',\n 'word-spacing',\n 'wrap',\n 'writing-mode',\n 'xchannelselector',\n 'ychannelselector',\n 'x',\n 'x1',\n 'x2',\n 'xmlns',\n 'y',\n 'y1',\n 'y2',\n 'z',\n 'zoomandpan',\n]);\n\nexport const mathMl = freeze([\n 'accent',\n 'accentunder',\n 'align',\n 'bevelled',\n 'close',\n 'columnsalign',\n 'columnlines',\n 'columnspan',\n 'denomalign',\n 'depth',\n 'dir',\n 'display',\n 'displaystyle',\n 'fence',\n 'frame',\n 'height',\n 'href',\n 'id',\n 'largeop',\n 'length',\n 'linethickness',\n 'lspace',\n 'lquote',\n 'mathbackground',\n 'mathcolor',\n 'mathsize',\n 'mathvariant',\n 'maxsize',\n 'minsize',\n 'movablelimits',\n 'notation',\n 'numalign',\n 'open',\n 'rowalign',\n 'rowlines',\n 'rowspacing',\n 'rowspan',\n 'rspace',\n 'rquote',\n 'scriptlevel',\n 'scriptminsize',\n 'scriptsizemultiplier',\n 'selection',\n 'separator',\n 'separators',\n 'stretchy',\n 'subscriptshift',\n 'supscriptshift',\n 'symmetric',\n 'voffset',\n 'width',\n 'xmlns',\n]);\n\nexport const xml = freeze([\n 'xlink:href',\n 'xml:id',\n 'xlink:title',\n 'xml:space',\n 'xmlns:xlink',\n]);\n","const { hasOwnProperty, setPrototypeOf } = Object;\nlet { apply } = typeof Reflect !== 'undefined' && Reflect;\n\nif (!apply) {\n apply = function(fun, thisValue, args) {\n return fun.apply(thisValue, args);\n };\n}\n\n/* Add properties to a lookup table */\nexport function addToSet(set, array) {\n if (setPrototypeOf) {\n // Make 'in' and truthy checks like Boolean(set.constructor)\n // independent of any properties defined on Object.prototype.\n // Prevent prototype setters from intercepting set as a this value.\n setPrototypeOf(set, null);\n }\n\n let l = array.length;\n while (l--) {\n let element = array[l];\n if (typeof element === 'string') {\n const lcElement = element.toLowerCase();\n if (lcElement !== element) {\n // Config presets (e.g. tags.js, attrs.js) are immutable.\n if (!Object.isFrozen(array)) {\n array[l] = lcElement;\n }\n\n element = lcElement;\n }\n }\n\n set[element] = true;\n }\n\n return set;\n}\n\n/* Shallow clone an object */\nexport function clone(object) {\n const newObject = {};\n\n let property;\n for (property in object) {\n if (apply(hasOwnProperty, object, [property])) {\n newObject[property] = object[property];\n }\n }\n\n return newObject;\n}\n","const seal =\n Object.seal ||\n function(x) {\n return x;\n };\n\nexport const MUSTACHE_EXPR = seal(/\\{\\{[\\s\\S]*|[\\s\\S]*\\}\\}/gm); // Specify template detection regex for SAFE_FOR_TEMPLATES mode\nexport const ERB_EXPR = seal(/<%[\\s\\S]*|[\\s\\S]*%>/gm);\nexport const DATA_ATTR = seal(/^data-[\\-\\w.\\u00B7-\\uFFFF]/); // eslint-disable-line no-useless-escape\nexport const ARIA_ATTR = seal(/^aria-[\\-\\w]+$/); // eslint-disable-line no-useless-escape\nexport const IS_ALLOWED_URI = seal(\n /^(?:(?:(?:f|ht)tps?|mailto|tel|callto|cid|xmpp):|[^a-z]|[a-z+.\\-]+(?:[^a-z+.\\-:]|$))/i // eslint-disable-line no-useless-escape\n);\nexport const IS_SCRIPT_OR_DATA = seal(/^(?:\\w+script|data):/i);\nexport const ATTR_WHITESPACE = seal(\n /[\\u0000-\\u0020\\u00A0\\u1680\\u180E\\u2000-\\u2029\\u205f\\u3000]/g // eslint-disable-line no-control-regex\n);\n","import * as TAGS from './tags';\nimport * as ATTRS from './attrs';\nimport { addToSet, clone } from './utils';\nimport * as EXPRESSIONS from './regexp';\n\nlet { apply } = typeof Reflect !== 'undefined' && Reflect;\nconst { slice: arraySlice } = Array.prototype;\nconst { freeze } = Object;\nconst getGlobal = () => (typeof window === 'undefined' ? null : window);\n\nif (!apply) {\n apply = function(fun, thisValue, args) {\n return fun.apply(thisValue, args);\n };\n}\n\n/**\n * Creates a no-op policy for internal use only.\n * Don't export this function outside this module!\n * @param {?TrustedTypePolicyFactory} trustedTypes The policy factory.\n * @param {Document} document The document object (to determine policy name suffix)\n * @return {?TrustedTypePolicy} The policy created (or null, if Trusted Types\n * are not supported).\n */\nconst _createTrustedTypesPolicy = function(trustedTypes, document) {\n if (\n typeof trustedTypes !== 'object' ||\n typeof trustedTypes.createPolicy !== 'function'\n ) {\n return null;\n }\n\n // Allow the callers to control the unique policy name\n // by adding a data-tt-policy-suffix to the script element with the DOMPurify.\n // Policy creation with duplicate names throws in Trusted Types.\n let suffix = null;\n const ATTR_NAME = 'data-tt-policy-suffix';\n if (\n document.currentScript &&\n document.currentScript.hasAttribute(ATTR_NAME)\n ) {\n suffix = document.currentScript.getAttribute(ATTR_NAME);\n }\n\n const policyName = 'dompurify' + (suffix ? '#' + suffix : '');\n\n try {\n return trustedTypes.createPolicy(policyName, {\n createHTML(html) {\n return html;\n },\n });\n } catch (error) {\n // Policy creation failed (most likely another DOMPurify script has\n // already run). Skip creating the policy, as this will only cause errors\n // if TT are enforced.\n console.warn(\n 'TrustedTypes policy ' + policyName + ' could not be created.'\n );\n return null;\n }\n};\n\nfunction createDOMPurify(window = getGlobal()) {\n const DOMPurify = root => createDOMPurify(root);\n\n /**\n * Version label, exposed for easier checks\n * if DOMPurify is up to date or not\n */\n DOMPurify.version = VERSION;\n\n /**\n * Array of elements that DOMPurify removed during sanitation.\n * Empty if nothing was removed.\n */\n DOMPurify.removed = [];\n\n if (!window || !window.document || window.document.nodeType !== 9) {\n // Not running in a browser, provide a factory function\n // so that you can pass your own Window\n DOMPurify.isSupported = false;\n\n return DOMPurify;\n }\n\n const originalDocument = window.document;\n let useDOMParser = false;\n let removeTitle = false;\n\n let { document } = window;\n const {\n DocumentFragment,\n HTMLTemplateElement,\n Node,\n NodeFilter,\n NamedNodeMap = window.NamedNodeMap || window.MozNamedAttrMap,\n Text,\n Comment,\n DOMParser,\n TrustedTypes,\n } = window;\n\n // As per issue #47, the web-components registry is inherited by a\n // new document created via createHTMLDocument. As per the spec\n // (http://w3c.github.io/webcomponents/spec/custom/#creating-and-passing-registries)\n // a new empty registry is used when creating a template contents owner\n // document, so we use that as our parent document to ensure nothing\n // is inherited.\n if (typeof HTMLTemplateElement === 'function') {\n const template = document.createElement('template');\n if (template.content && template.content.ownerDocument) {\n document = template.content.ownerDocument;\n }\n }\n\n const trustedTypesPolicy = _createTrustedTypesPolicy(\n TrustedTypes,\n originalDocument\n );\n const emptyHTML = trustedTypesPolicy ? trustedTypesPolicy.createHTML('') : '';\n\n const {\n implementation,\n createNodeIterator,\n getElementsByTagName,\n createDocumentFragment,\n } = document;\n const { importNode } = originalDocument;\n\n let hooks = {};\n\n /**\n * Expose whether this browser supports running the full DOMPurify.\n */\n DOMPurify.isSupported =\n implementation &&\n typeof implementation.createHTMLDocument !== 'undefined' &&\n document.documentMode !== 9;\n\n const {\n MUSTACHE_EXPR,\n ERB_EXPR,\n DATA_ATTR,\n ARIA_ATTR,\n IS_SCRIPT_OR_DATA,\n ATTR_WHITESPACE,\n } = EXPRESSIONS;\n\n let { IS_ALLOWED_URI } = EXPRESSIONS;\n /**\n * We consider the elements and attributes below to be safe. Ideally\n * don't add any new ones but feel free to remove unwanted ones.\n */\n\n /* allowed element names */\n let ALLOWED_TAGS = null;\n const DEFAULT_ALLOWED_TAGS = addToSet({}, [\n ...TAGS.html,\n ...TAGS.svg,\n ...TAGS.svgFilters,\n ...TAGS.mathMl,\n ...TAGS.text,\n ]);\n\n /* Allowed attribute names */\n let ALLOWED_ATTR = null;\n const DEFAULT_ALLOWED_ATTR = addToSet({}, [\n ...ATTRS.html,\n ...ATTRS.svg,\n ...ATTRS.mathMl,\n ...ATTRS.xml,\n ]);\n\n /* Explicitly forbidden tags (overrides ALLOWED_TAGS/ADD_TAGS) */\n let FORBID_TAGS = null;\n\n /* Explicitly forbidden attributes (overrides ALLOWED_ATTR/ADD_ATTR) */\n let FORBID_ATTR = null;\n\n /* Decide if ARIA attributes are okay */\n let ALLOW_ARIA_ATTR = true;\n\n /* Decide if custom data attributes are okay */\n let ALLOW_DATA_ATTR = true;\n\n /* Decide if unknown protocols are okay */\n let ALLOW_UNKNOWN_PROTOCOLS = false;\n\n /* Output should be safe for jQuery's $() factory? */\n let SAFE_FOR_JQUERY = false;\n\n /* Output should be safe for common template engines.\n * This means, DOMPurify removes data attributes, mustaches and ERB\n */\n let SAFE_FOR_TEMPLATES = false;\n\n /* Decide if document with ... should be returned */\n let WHOLE_DOCUMENT = false;\n\n /* Track whether config is already set on this instance of DOMPurify. */\n let SET_CONFIG = false;\n\n /* Decide if all elements (e.g. style, script) must be children of\n * document.body. By default, browsers might move them to document.head */\n let FORCE_BODY = false;\n\n /* Decide if a DOM `HTMLBodyElement` should be returned, instead of a html\n * string (or a TrustedHTML object if Trusted Types are supported).\n * If `WHOLE_DOCUMENT` is enabled a `HTMLHtmlElement` will be returned instead\n */\n let RETURN_DOM = false;\n\n /* Decide if a DOM `DocumentFragment` should be returned, instead of a html\n * string (or a TrustedHTML object if Trusted Types are supported) */\n let RETURN_DOM_FRAGMENT = false;\n\n /* If `RETURN_DOM` or `RETURN_DOM_FRAGMENT` is enabled, decide if the returned DOM\n * `Node` is imported into the current `Document`. If this flag is not enabled the\n * `Node` will belong (its ownerDocument) to a fresh `HTMLDocument`, created by\n * DOMPurify. */\n let RETURN_DOM_IMPORT = false;\n\n /* Output should be free from DOM clobbering attacks? */\n let SANITIZE_DOM = true;\n\n /* Keep element content when removing element? */\n let KEEP_CONTENT = true;\n\n /* If a `Node` is passed to sanitize(), then performs sanitization in-place instead\n * of importing it into a new Document and returning a sanitized copy */\n let IN_PLACE = false;\n\n /* Allow usage of profiles like html, svg and mathMl */\n let USE_PROFILES = {};\n\n /* Tags to ignore content of when KEEP_CONTENT is true */\n const FORBID_CONTENTS = addToSet({}, [\n 'audio',\n 'head',\n 'math',\n 'script',\n 'style',\n 'template',\n 'svg',\n 'video',\n ]);\n\n /* Tags that are safe for data: URIs */\n const DATA_URI_TAGS = addToSet({}, [\n 'audio',\n 'video',\n 'img',\n 'source',\n 'image',\n ]);\n\n /* Attributes safe for values like \"javascript:\" */\n const URI_SAFE_ATTRIBUTES = addToSet({}, [\n 'alt',\n 'class',\n 'for',\n 'id',\n 'label',\n 'name',\n 'pattern',\n 'placeholder',\n 'summary',\n 'title',\n 'value',\n 'style',\n 'xmlns',\n ]);\n\n /* Keep a reference to config to pass to hooks */\n let CONFIG = null;\n\n /* Ideally, do not touch anything below this line */\n /* ______________________________________________ */\n\n const formElement = document.createElement('form');\n\n /**\n * _parseConfig\n *\n * @param {Object} cfg optional config literal\n */\n // eslint-disable-next-line complexity\n const _parseConfig = function(cfg) {\n if (CONFIG && CONFIG === cfg) {\n return;\n }\n\n /* Shield configuration object from tampering */\n if (!cfg || typeof cfg !== 'object') {\n cfg = {};\n }\n\n /* Set configuration parameters */\n ALLOWED_TAGS =\n 'ALLOWED_TAGS' in cfg\n ? addToSet({}, cfg.ALLOWED_TAGS)\n : DEFAULT_ALLOWED_TAGS;\n ALLOWED_ATTR =\n 'ALLOWED_ATTR' in cfg\n ? addToSet({}, cfg.ALLOWED_ATTR)\n : DEFAULT_ALLOWED_ATTR;\n FORBID_TAGS = 'FORBID_TAGS' in cfg ? addToSet({}, cfg.FORBID_TAGS) : {};\n FORBID_ATTR = 'FORBID_ATTR' in cfg ? addToSet({}, cfg.FORBID_ATTR) : {};\n USE_PROFILES = 'USE_PROFILES' in cfg ? cfg.USE_PROFILES : false;\n ALLOW_ARIA_ATTR = cfg.ALLOW_ARIA_ATTR !== false; // Default true\n ALLOW_DATA_ATTR = cfg.ALLOW_DATA_ATTR !== false; // Default true\n ALLOW_UNKNOWN_PROTOCOLS = cfg.ALLOW_UNKNOWN_PROTOCOLS || false; // Default false\n SAFE_FOR_JQUERY = cfg.SAFE_FOR_JQUERY || false; // Default false\n SAFE_FOR_TEMPLATES = cfg.SAFE_FOR_TEMPLATES || false; // Default false\n WHOLE_DOCUMENT = cfg.WHOLE_DOCUMENT || false; // Default false\n RETURN_DOM = cfg.RETURN_DOM || false; // Default false\n RETURN_DOM_FRAGMENT = cfg.RETURN_DOM_FRAGMENT || false; // Default false\n RETURN_DOM_IMPORT = cfg.RETURN_DOM_IMPORT || false; // Default false\n FORCE_BODY = cfg.FORCE_BODY || false; // Default false\n SANITIZE_DOM = cfg.SANITIZE_DOM !== false; // Default true\n KEEP_CONTENT = cfg.KEEP_CONTENT !== false; // Default true\n IN_PLACE = cfg.IN_PLACE || false; // Default false\n\n IS_ALLOWED_URI = cfg.ALLOWED_URI_REGEXP || IS_ALLOWED_URI;\n\n if (SAFE_FOR_TEMPLATES) {\n ALLOW_DATA_ATTR = false;\n }\n\n if (RETURN_DOM_FRAGMENT) {\n RETURN_DOM = true;\n }\n\n /* Parse profile info */\n if (USE_PROFILES) {\n ALLOWED_TAGS = addToSet({}, [...TAGS.text]);\n ALLOWED_ATTR = [];\n if (USE_PROFILES.html === true) {\n addToSet(ALLOWED_TAGS, TAGS.html);\n addToSet(ALLOWED_ATTR, ATTRS.html);\n }\n\n if (USE_PROFILES.svg === true) {\n addToSet(ALLOWED_TAGS, TAGS.svg);\n addToSet(ALLOWED_ATTR, ATTRS.svg);\n addToSet(ALLOWED_ATTR, ATTRS.xml);\n }\n\n if (USE_PROFILES.svgFilters === true) {\n addToSet(ALLOWED_TAGS, TAGS.svgFilters);\n addToSet(ALLOWED_ATTR, ATTRS.svg);\n addToSet(ALLOWED_ATTR, ATTRS.xml);\n }\n\n if (USE_PROFILES.mathMl === true) {\n addToSet(ALLOWED_TAGS, TAGS.mathMl);\n addToSet(ALLOWED_ATTR, ATTRS.mathMl);\n addToSet(ALLOWED_ATTR, ATTRS.xml);\n }\n }\n\n /* Merge configuration parameters */\n if (cfg.ADD_TAGS) {\n if (ALLOWED_TAGS === DEFAULT_ALLOWED_TAGS) {\n ALLOWED_TAGS = clone(ALLOWED_TAGS);\n }\n\n addToSet(ALLOWED_TAGS, cfg.ADD_TAGS);\n }\n\n if (cfg.ADD_ATTR) {\n if (ALLOWED_ATTR === DEFAULT_ALLOWED_ATTR) {\n ALLOWED_ATTR = clone(ALLOWED_ATTR);\n }\n\n addToSet(ALLOWED_ATTR, cfg.ADD_ATTR);\n }\n\n if (cfg.ADD_URI_SAFE_ATTR) {\n addToSet(URI_SAFE_ATTRIBUTES, cfg.ADD_URI_SAFE_ATTR);\n }\n\n /* Add #text in case KEEP_CONTENT is set to true */\n if (KEEP_CONTENT) {\n ALLOWED_TAGS['#text'] = true;\n }\n\n /* Add html, head and body to ALLOWED_TAGS in case WHOLE_DOCUMENT is true */\n if (WHOLE_DOCUMENT) {\n addToSet(ALLOWED_TAGS, ['html', 'head', 'body']);\n }\n\n /* Add tbody to ALLOWED_TAGS in case tables are permitted, see #286 */\n if (ALLOWED_TAGS.table) {\n addToSet(ALLOWED_TAGS, ['tbody']);\n }\n\n // Prevent further manipulation of configuration.\n // Not available in IE8, Safari 5, etc.\n if (freeze) {\n freeze(cfg);\n }\n\n CONFIG = cfg;\n };\n\n /**\n * _forceRemove\n *\n * @param {Node} node a DOM node\n */\n const _forceRemove = function(node) {\n DOMPurify.removed.push({ element: node });\n try {\n node.parentNode.removeChild(node);\n } catch (error) {\n node.outerHTML = emptyHTML;\n }\n };\n\n /**\n * _removeAttribute\n *\n * @param {String} name an Attribute name\n * @param {Node} node a DOM node\n */\n const _removeAttribute = function(name, node) {\n try {\n DOMPurify.removed.push({\n attribute: node.getAttributeNode(name),\n from: node,\n });\n } catch (error) {\n DOMPurify.removed.push({\n attribute: null,\n from: node,\n });\n }\n\n node.removeAttribute(name);\n };\n\n /**\n * _initDocument\n *\n * @param {String} dirty a string of dirty markup\n * @return {Document} a DOM, filled with the dirty markup\n */\n const _initDocument = function(dirty) {\n /* Create a HTML document */\n let doc;\n let leadingWhitespace;\n\n if (FORCE_BODY) {\n dirty = '' + dirty;\n } else {\n /* If FORCE_BODY isn't used, leading whitespace needs to be preserved manually */\n const matches = dirty.match(/^[\\s]+/);\n leadingWhitespace = matches && matches[0];\n if (leadingWhitespace) {\n dirty = dirty.slice(leadingWhitespace.length);\n }\n }\n\n /* Use DOMParser to workaround Firefox bug (see comment below) */\n if (useDOMParser) {\n try {\n doc = new DOMParser().parseFromString(dirty, 'text/html');\n } catch (error) {}\n }\n\n /* Remove title to fix a mXSS bug in older MS Edge */\n if (removeTitle) {\n addToSet(FORBID_TAGS, ['title']);\n }\n\n /* Otherwise use createHTMLDocument, because DOMParser is unsafe in\n Safari (see comment below) */\n if (!doc || !doc.documentElement) {\n doc = implementation.createHTMLDocument('');\n const { body } = doc;\n body.parentNode.removeChild(body.parentNode.firstElementChild);\n body.outerHTML = trustedTypesPolicy\n ? trustedTypesPolicy.createHTML(dirty)\n : dirty;\n }\n\n if (leadingWhitespace) {\n doc.body.insertBefore(\n document.createTextNode(leadingWhitespace),\n doc.body.childNodes[0] || null\n );\n }\n\n /* Work on whole document or just its body */\n return getElementsByTagName.call(doc, WHOLE_DOCUMENT ? 'html' : 'body')[0];\n };\n\n // Firefox uses a different parser for innerHTML rather than\n // DOMParser (see https://bugzilla.mozilla.org/show_bug.cgi?id=1205631)\n // which means that you *must* use DOMParser, otherwise the output may\n // not be safe if used in a document.write context later.\n //\n // So we feature detect the Firefox bug and use the DOMParser if necessary.\n //\n // MS Edge, in older versions, is affected by an mXSS behavior. The second\n // check tests for the behavior and fixes it if necessary.\n if (DOMPurify.isSupported) {\n (function() {\n try {\n const doc = _initDocument(\n '