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baseClone = require('./_baseClone'),\n baseMatchesProperty = require('./_baseMatchesProperty');\n\n/** Used to compose bitmasks for cloning. */\nvar CLONE_DEEP_FLAG = 1;\n\n/**\n * Creates a function that performs a partial deep comparison between the\n * value at `path` of a given object to `srcValue`, returning `true` if the\n * object value is equivalent, else `false`.\n *\n * **Note:** Partial comparisons will match empty array and empty object\n * `srcValue` values against any array or object value, respectively. See\n * `_.isEqual` for a list of supported value comparisons.\n *\n * @static\n * @memberOf _\n * @since 3.2.0\n * @category Util\n * @param {Array|string} path The path of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n * @example\n *\n * var objects = [\n * { 'a': 1, 'b': 2, 'c': 3 },\n * { 'a': 4, 'b': 5, 'c': 6 }\n * ];\n *\n * _.find(objects, _.matchesProperty('a', 4));\n * // => { 'a': 4, 'b': 5, 'c': 6 }\n */\nfunction matchesProperty(path, srcValue) {\n return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n}\n\nmodule.exports = matchesProperty;\n","module.exports = require('./matchesProperty');\n","import React from 'react';\n\nfunction _defineProperty(obj, key, value) {\n if (key in obj) {\n Object.defineProperty(obj, key, {\n value: value,\n enumerable: true,\n configurable: true,\n writable: true\n });\n } else {\n obj[key] = value;\n }\n\n return obj;\n}\n\nfunction _extends() {\n _extends = Object.assign || function (target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i];\n\n for (var key in source) {\n if (Object.prototype.hasOwnProperty.call(source, key)) {\n target[key] = source[key];\n }\n }\n }\n\n return target;\n };\n\n return _extends.apply(this, arguments);\n}\n\nfunction ownKeys(object, enumerableOnly) {\n var keys = Object.keys(object);\n\n if (Object.getOwnPropertySymbols) {\n var symbols = Object.getOwnPropertySymbols(object);\n if (enumerableOnly) symbols = symbols.filter(function (sym) {\n return Object.getOwnPropertyDescriptor(object, sym).enumerable;\n });\n keys.push.apply(keys, symbols);\n }\n\n return keys;\n}\n\nfunction _objectSpread2(target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i] != null ? arguments[i] : {};\n\n if (i % 2) {\n ownKeys(Object(source), true).forEach(function (key) {\n _defineProperty(target, key, source[key]);\n });\n } else if (Object.getOwnPropertyDescriptors) {\n Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));\n } else {\n ownKeys(Object(source)).forEach(function (key) {\n Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));\n });\n }\n }\n\n return target;\n}\n\nfunction _objectWithoutPropertiesLoose(source, excluded) {\n if (source == null) return {};\n var target = {};\n var sourceKeys = Object.keys(source);\n var key, i;\n\n for (i = 0; i < sourceKeys.length; i++) {\n key = sourceKeys[i];\n if (excluded.indexOf(key) >= 0) continue;\n target[key] = source[key];\n }\n\n return target;\n}\n\nfunction _objectWithoutProperties(source, excluded) {\n if (source == null) return {};\n\n var target = _objectWithoutPropertiesLoose(source, excluded);\n\n var key, i;\n\n if (Object.getOwnPropertySymbols) {\n var sourceSymbolKeys = Object.getOwnPropertySymbols(source);\n\n for (i = 0; i < sourceSymbolKeys.length; i++) {\n key = sourceSymbolKeys[i];\n if (excluded.indexOf(key) >= 0) continue;\n if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;\n target[key] = source[key];\n }\n }\n\n return target;\n}\n\nvar isFunction = function isFunction(obj) {\n return typeof obj === 'function';\n};\n\nvar MDXContext = /*#__PURE__*/React.createContext({});\nvar withMDXComponents = function withMDXComponents(Component) {\n return function (props) {\n var allComponents = useMDXComponents(props.components);\n return /*#__PURE__*/React.createElement(Component, _extends({}, props, {\n components: allComponents\n }));\n };\n};\nvar useMDXComponents = function useMDXComponents(components) {\n var contextComponents = React.useContext(MDXContext);\n var allComponents = contextComponents;\n\n if (components) {\n allComponents = isFunction(components) ? components(contextComponents) : _objectSpread2(_objectSpread2({}, contextComponents), components);\n }\n\n return allComponents;\n};\nvar MDXProvider = function MDXProvider(props) {\n var allComponents = useMDXComponents(props.components);\n return /*#__PURE__*/React.createElement(MDXContext.Provider, {\n value: allComponents\n }, props.children);\n};\n\nvar TYPE_PROP_NAME = 'mdxType';\nvar DEFAULTS = {\n inlineCode: 'code',\n wrapper: function wrapper(_ref) {\n var children = _ref.children;\n return /*#__PURE__*/React.createElement(React.Fragment, {}, children);\n }\n};\nvar MDXCreateElement = /*#__PURE__*/React.forwardRef(function (props, ref) {\n var propComponents = props.components,\n mdxType = props.mdxType,\n originalType = props.originalType,\n parentName = props.parentName,\n etc = _objectWithoutProperties(props, [\"components\", \"mdxType\", \"originalType\", \"parentName\"]);\n\n var components = useMDXComponents(propComponents);\n var type = mdxType;\n var Component = components[\"\".concat(parentName, \".\").concat(type)] || components[type] || DEFAULTS[type] || originalType;\n\n if (propComponents) {\n return /*#__PURE__*/React.createElement(Component, _objectSpread2(_objectSpread2({\n ref: ref\n }, etc), {}, {\n components: propComponents\n }));\n }\n\n return /*#__PURE__*/React.createElement(Component, _objectSpread2({\n ref: ref\n }, etc));\n});\nMDXCreateElement.displayName = 'MDXCreateElement';\nfunction createElement (type, props) {\n var args = arguments;\n var mdxType = props && props.mdxType;\n\n if (typeof type === 'string' || mdxType) {\n var argsLength = args.length;\n var createElementArgArray = new Array(argsLength);\n createElementArgArray[0] = MDXCreateElement;\n var newProps = {};\n\n for (var key in props) {\n if (hasOwnProperty.call(props, key)) {\n newProps[key] = props[key];\n }\n }\n\n newProps.originalType = type;\n newProps[TYPE_PROP_NAME] = typeof type === 'string' ? type : mdxType;\n createElementArgArray[1] = newProps;\n\n for (var i = 2; i < argsLength; i++) {\n createElementArgArray[i] = args[i];\n }\n\n return React.createElement.apply(null, createElementArgArray);\n }\n\n return React.createElement.apply(null, args);\n}\n\nexport { MDXContext, MDXProvider, createElement as mdx, useMDXComponents, withMDXComponents };\n","import { useStaticQuery, graphql } from 'gatsby'\n\nexport const useDbQuery = () => {\n try {\n const data = useStaticQuery(graphql`\n query {\n doczDb {\n id\n db\n }\n }\n `)\n\n return JSON.parse(data.doczDb.db)\n } catch (err) {\n console.error(err)\n console.error('Error when parsing docz database')\n return {}\n }\n}\n","import * as React from 'react'\n\nconst Wrapper = ({ children }) => <React.Fragment>{children}</React.Fragment>\nexport default Wrapper\n","import _toConsumableArray from \"@babel/runtime/helpers/toConsumableArray\";\nimport raf from 'raf';\nexport default function throttleByAnimationFrame(fn) {\n var requestId;\n\n var later = function later(args) {\n return function () {\n requestId = null;\n fn.apply(void 0, _toConsumableArray(args));\n };\n };\n\n var throttled = function throttled() {\n if (requestId == null) {\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n requestId = raf(later(args));\n }\n };\n\n throttled.cancel = function () {\n return raf.cancel(requestId);\n };\n\n return throttled;\n}\nexport function throttleByAnimationFrameDecorator() {\n // eslint-disable-next-line func-names\n return function (target, key, descriptor) {\n var fn = descriptor.value;\n var definingProperty = false;\n return {\n configurable: true,\n get: function get() {\n // eslint-disable-next-line no-prototype-builtins\n if (definingProperty || this === target.prototype || this.hasOwnProperty(key)) {\n return fn;\n }\n\n var boundFn = throttleByAnimationFrame(fn.bind(this));\n definingProperty = true;\n Object.defineProperty(this, key, {\n value: boundFn,\n configurable: true,\n writable: true\n });\n definingProperty = false;\n return boundFn;\n }\n };\n };\n}","import addEventListener from \"rc-util/es/Dom/addEventListener\";\nexport function getTargetRect(target) {\n return target !== window ? target.getBoundingClientRect() : {\n top: 0,\n bottom: window.innerHeight\n };\n}\nexport function getFixedTop(placeholderReact, targetRect, offsetTop) {\n if (offsetTop !== undefined && targetRect.top > placeholderReact.top - offsetTop) {\n return offsetTop + targetRect.top;\n }\n\n return undefined;\n}\nexport function getFixedBottom(placeholderReact, targetRect, offsetBottom) {\n if (offsetBottom !== undefined && targetRect.bottom < placeholderReact.bottom + offsetBottom) {\n var targetBottomOffset = window.innerHeight - targetRect.bottom;\n return offsetBottom + targetBottomOffset;\n }\n\n return undefined;\n} // ======================== Observer ========================\n\nvar TRIGGER_EVENTS = ['resize', 'scroll', 'touchstart', 'touchmove', 'touchend', 'pageshow', 'load'];\nvar observerEntities = [];\nexport function getObserverEntities() {\n // Only used in test env. Can be removed if refactor.\n return observerEntities;\n}\nexport function addObserveTarget(target, affix) {\n if (!target) return;\n var entity = observerEntities.find(function (item) {\n return item.target === target;\n });\n\n if (entity) {\n entity.affixList.push(affix);\n } else {\n entity = {\n target: target,\n affixList: [affix],\n eventHandlers: {}\n };\n observerEntities.push(entity); // Add listener\n\n TRIGGER_EVENTS.forEach(function (eventName) {\n entity.eventHandlers[eventName] = addEventListener(target, eventName, function () {\n entity.affixList.forEach(function (targetAffix) {\n targetAffix.lazyUpdatePosition();\n });\n });\n });\n }\n}\nexport function removeObserveTarget(affix) {\n var observerEntity = observerEntities.find(function (oriObserverEntity) {\n var hasAffix = oriObserverEntity.affixList.some(function (item) {\n return item === affix;\n });\n\n if (hasAffix) {\n oriObserverEntity.affixList = oriObserverEntity.affixList.filter(function (item) {\n return item !== affix;\n });\n }\n\n return hasAffix;\n });\n\n if (observerEntity && observerEntity.affixList.length === 0) {\n observerEntities = observerEntities.filter(function (item) {\n return item !== observerEntity;\n }); // Remove listener\n\n TRIGGER_EVENTS.forEach(function (eventName) {\n var handler = observerEntity.eventHandlers[eventName];\n\n if (handler && handler.remove) {\n handler.remove();\n }\n });\n }\n}","import _extends from \"@babel/runtime/helpers/extends\";\nimport _defineProperty from \"@babel/runtime/helpers/defineProperty\";\nimport _classCallCheck from \"@babel/runtime/helpers/classCallCheck\";\nimport _createClass from \"@babel/runtime/helpers/createClass\";\nimport _inherits from \"@babel/runtime/helpers/inherits\";\nimport _createSuper from \"@babel/runtime/helpers/createSuper\";\nimport _typeof from \"@babel/runtime/helpers/typeof\";\n\nvar __decorate = this && this.__decorate || function (decorators, target, key, desc) {\n var c = arguments.length,\n r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc,\n d;\n if ((typeof Reflect === \"undefined\" ? \"undefined\" : _typeof(Reflect)) === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);else for (var i = decorators.length - 1; i >= 0; i--) {\n if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\n }\n return c > 3 && r && Object.defineProperty(target, key, r), r;\n};\n\nimport * as React from 'react';\nimport classNames from 'classnames';\nimport omit from 'omit.js';\nimport ResizeObserver from 'rc-resize-observer';\nimport { ConfigContext } from '../config-provider';\nimport { throttleByAnimationFrameDecorator } from '../_util/throttleByAnimationFrame';\nimport { addObserveTarget, removeObserveTarget, getTargetRect, getFixedTop, getFixedBottom } from './utils';\n\nfunction getDefaultTarget() {\n return typeof window !== 'undefined' ? window : null;\n}\n\nvar AffixStatus;\n\n(function (AffixStatus) {\n AffixStatus[AffixStatus[\"None\"] = 0] = \"None\";\n AffixStatus[AffixStatus[\"Prepare\"] = 1] = \"Prepare\";\n})(AffixStatus || (AffixStatus = {}));\n\nvar Affix = /*#__PURE__*/function (_React$Component) {\n _inherits(Affix, _React$Component);\n\n var _super = _createSuper(Affix);\n\n function Affix() {\n var _this;\n\n _classCallCheck(this, Affix);\n\n _this = _super.apply(this, arguments);\n _this.state = {\n status: AffixStatus.None,\n lastAffix: false,\n prevTarget: null\n };\n\n _this.getOffsetTop = function () {\n var offsetBottom = _this.props.offsetBottom;\n var offsetTop = _this.props.offsetTop;\n\n if (offsetBottom === undefined && offsetTop === undefined) {\n offsetTop = 0;\n }\n\n return offsetTop;\n };\n\n _this.getOffsetBottom = function () {\n return _this.props.offsetBottom;\n };\n\n _this.savePlaceholderNode = function (node) {\n _this.placeholderNode = node;\n };\n\n _this.saveFixedNode = function (node) {\n _this.fixedNode = node;\n }; // =================== Measure ===================\n\n\n _this.measure = function () {\n var _this$state = _this.state,\n status = _this$state.status,\n lastAffix = _this$state.lastAffix;\n var onChange = _this.props.onChange;\n\n var targetFunc = _this.getTargetFunc();\n\n if (status !== AffixStatus.Prepare || !_this.fixedNode || !_this.placeholderNode || !targetFunc) {\n return;\n }\n\n var offsetTop = _this.getOffsetTop();\n\n var offsetBottom = _this.getOffsetBottom();\n\n var targetNode = targetFunc();\n\n if (!targetNode) {\n return;\n }\n\n var newState = {\n status: AffixStatus.None\n };\n var targetRect = getTargetRect(targetNode);\n var placeholderReact = getTargetRect(_this.placeholderNode);\n var fixedTop = getFixedTop(placeholderReact, targetRect, offsetTop);\n var fixedBottom = getFixedBottom(placeholderReact, targetRect, offsetBottom);\n\n if (fixedTop !== undefined) {\n newState.affixStyle = {\n position: 'fixed',\n top: fixedTop,\n width: placeholderReact.width,\n height: placeholderReact.height\n };\n newState.placeholderStyle = {\n width: placeholderReact.width,\n height: placeholderReact.height\n };\n } else if (fixedBottom !== undefined) {\n newState.affixStyle = {\n position: 'fixed',\n bottom: fixedBottom,\n width: placeholderReact.width,\n height: placeholderReact.height\n };\n newState.placeholderStyle = {\n width: placeholderReact.width,\n height: placeholderReact.height\n };\n }\n\n newState.lastAffix = !!newState.affixStyle;\n\n if (onChange && lastAffix !== newState.lastAffix) {\n onChange(newState.lastAffix);\n }\n\n _this.setState(newState);\n }; // @ts-ignore TS6133\n\n\n _this.prepareMeasure = function () {\n // event param is used before. Keep compatible ts define here.\n _this.setState({\n status: AffixStatus.Prepare,\n affixStyle: undefined,\n placeholderStyle: undefined\n }); // Test if `updatePosition` called\n\n\n if (process.env.NODE_ENV === 'test') {\n var onTestUpdatePosition = _this.props.onTestUpdatePosition;\n\n if (onTestUpdatePosition) {\n onTestUpdatePosition();\n }\n }\n }; // =================== Render ===================\n\n\n _this.render = function () {\n var getPrefixCls = _this.context.getPrefixCls;\n var _this$state2 = _this.state,\n affixStyle = _this$state2.affixStyle,\n placeholderStyle = _this$state2.placeholderStyle;\n var _this$props = _this.props,\n prefixCls = _this$props.prefixCls,\n children = _this$props.children;\n var className = classNames(_defineProperty({}, getPrefixCls('affix', prefixCls), affixStyle));\n var props = omit(_this.props, ['prefixCls', 'offsetTop', 'offsetBottom', 'target', 'onChange']); // Omit this since `onTestUpdatePosition` only works on test.\n\n if (process.env.NODE_ENV === 'test') {\n props = omit(props, ['onTestUpdatePosition']);\n }\n\n return /*#__PURE__*/React.createElement(ResizeObserver, {\n onResize: function onResize() {\n _this.updatePosition();\n }\n }, /*#__PURE__*/React.createElement(\"div\", _extends({}, props, {\n ref: _this.savePlaceholderNode\n }), affixStyle && /*#__PURE__*/React.createElement(\"div\", {\n style: placeholderStyle,\n \"aria-hidden\": \"true\"\n }), /*#__PURE__*/React.createElement(\"div\", {\n className: className,\n ref: _this.saveFixedNode,\n style: affixStyle\n }, /*#__PURE__*/React.createElement(ResizeObserver, {\n onResize: function onResize() {\n _this.updatePosition();\n }\n }, children))));\n };\n\n return _this;\n }\n\n _createClass(Affix, [{\n key: \"getTargetFunc\",\n value: function getTargetFunc() {\n var getTargetContainer = this.context.getTargetContainer;\n var target = this.props.target;\n\n if (target !== undefined) {\n return target;\n }\n\n return getTargetContainer || getDefaultTarget;\n } // Event handler\n\n }, {\n key: \"componentDidMount\",\n value: function componentDidMount() {\n var _this2 = this;\n\n var targetFunc = this.getTargetFunc();\n\n if (targetFunc) {\n // [Legacy] Wait for parent component ref has its value.\n // We should use target as directly element instead of function which makes element check hard.\n this.timeout = setTimeout(function () {\n addObserveTarget(targetFunc(), _this2); // Mock Event object.\n\n _this2.updatePosition();\n });\n }\n }\n }, {\n key: \"componentDidUpdate\",\n value: function componentDidUpdate(prevProps) {\n var prevTarget = this.state.prevTarget;\n var targetFunc = this.getTargetFunc();\n var newTarget = null;\n\n if (targetFunc) {\n newTarget = targetFunc() || null;\n }\n\n if (prevTarget !== newTarget) {\n removeObserveTarget(this);\n\n if (newTarget) {\n addObserveTarget(newTarget, this); // Mock Event object.\n\n this.updatePosition();\n } // eslint-disable-next-line react/no-did-update-set-state\n\n\n this.setState({\n prevTarget: newTarget\n });\n }\n\n if (prevProps.offsetTop !== this.props.offsetTop || prevProps.offsetBottom !== this.props.offsetBottom) {\n this.updatePosition();\n }\n\n this.measure();\n }\n }, {\n key: \"componentWillUnmount\",\n value: function componentWillUnmount() {\n clearTimeout(this.timeout);\n removeObserveTarget(this);\n this.updatePosition.cancel(); // https://github.com/ant-design/ant-design/issues/22683\n\n this.lazyUpdatePosition.cancel();\n } // Handle realign logic\n\n }, {\n key: \"updatePosition\",\n value: function updatePosition() {\n this.prepareMeasure();\n }\n }, {\n key: \"lazyUpdatePosition\",\n value: function lazyUpdatePosition() {\n var targetFunc = this.getTargetFunc();\n var affixStyle = this.state.affixStyle; // Check position change before measure to make Safari smooth\n\n if (targetFunc && affixStyle) {\n var offsetTop = this.getOffsetTop();\n var offsetBottom = this.getOffsetBottom();\n var targetNode = targetFunc();\n\n if (targetNode && this.placeholderNode) {\n var targetRect = getTargetRect(targetNode);\n var placeholderReact = getTargetRect(this.placeholderNode);\n var fixedTop = getFixedTop(placeholderReact, targetRect, offsetTop);\n var fixedBottom = getFixedBottom(placeholderReact, targetRect, offsetBottom);\n\n if (fixedTop !== undefined && affixStyle.top === fixedTop || fixedBottom !== undefined && affixStyle.bottom === fixedBottom) {\n return;\n }\n }\n } // Directly call prepare measure since it's already throttled.\n\n\n this.prepareMeasure();\n }\n }]);\n\n return Affix;\n}(React.Component);\n\nAffix.contextType = ConfigContext;\n\n__decorate([throttleByAnimationFrameDecorator()], Affix.prototype, \"updatePosition\", null);\n\n__decorate([throttleByAnimationFrameDecorator()], Affix.prototype, \"lazyUpdatePosition\", null);\n\nexport default Affix;","export function isWindow(obj) {\n return obj !== null && obj !== undefined && obj === obj.window;\n}\nexport default function getScroll(target, top) {\n if (typeof window === 'undefined') {\n return 0;\n }\n\n var method = top ? 'scrollTop' : 'scrollLeft';\n var result = 0;\n\n if (isWindow(target)) {\n result = target[top ? 'pageYOffset' : 'pageXOffset'];\n } else if (target instanceof Document) {\n result = target.documentElement[method];\n } else if (target) {\n result = target[method];\n }\n\n if (target && !isWindow(target) && typeof result !== 'number') {\n result = (target.ownerDocument || target).documentElement[method];\n }\n\n return result;\n}","// eslint-disable-next-line import/prefer-default-export\nexport function easeInOutCubic(t, b, c, d) {\n var cc = c - b;\n t /= d / 2;\n\n if (t < 1) {\n return cc / 2 * t * t * t + b;\n } // eslint-disable-next-line no-return-assign\n\n\n return cc / 2 * ((t -= 2) * t * t + 2) + b;\n}","import raf from 'raf';\nimport getScroll, { isWindow } from './getScroll';\nimport { easeInOutCubic } from './easings';\nexport default function scrollTo(y) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n var _options$getContainer = options.getContainer,\n getContainer = _options$getContainer === void 0 ? function () {\n return window;\n } : _options$getContainer,\n callback = options.callback,\n _options$duration = options.duration,\n duration = _options$duration === void 0 ? 450 : _options$duration;\n var container = getContainer();\n var scrollTop = getScroll(container, true);\n var startTime = Date.now();\n\n var frameFunc = function frameFunc() {\n var timestamp = Date.now();\n var time = timestamp - startTime;\n var nextScrollTop = easeInOutCubic(time > duration ? duration : time, scrollTop, y, duration);\n\n if (isWindow(container)) {\n container.scrollTo(window.pageXOffset, nextScrollTop);\n } else if (container instanceof HTMLDocument || container.constructor.name === 'HTMLDocument') {\n container.documentElement.scrollTop = nextScrollTop;\n } else {\n container.scrollTop = nextScrollTop;\n }\n\n if (time < duration) {\n raf(frameFunc);\n } else if (typeof callback === 'function') {\n callback();\n }\n };\n\n raf(frameFunc);\n}","import * as React from 'react';\nvar AnchorContext = /*#__PURE__*/React.createContext(null);\nexport default AnchorContext;","import _extends from \"@babel/runtime/helpers/extends\";\nimport _defineProperty from \"@babel/runtime/helpers/defineProperty\";\nimport _classCallCheck from \"@babel/runtime/helpers/classCallCheck\";\nimport _createClass from \"@babel/runtime/helpers/createClass\";\nimport _assertThisInitialized from \"@babel/runtime/helpers/assertThisInitialized\";\nimport _inherits from \"@babel/runtime/helpers/inherits\";\nimport _createSuper from \"@babel/runtime/helpers/createSuper\";\nimport * as React from 'react';\nimport * as ReactDOM from 'react-dom';\nimport classNames from 'classnames';\nimport addEventListener from \"rc-util/es/Dom/addEventListener\";\nimport Affix from '../affix';\nimport { ConfigContext } from '../config-provider';\nimport scrollTo from '../_util/scrollTo';\nimport getScroll from '../_util/getScroll';\nimport AnchorContext from './context';\n\nfunction getDefaultContainer() {\n return window;\n}\n\nfunction getOffsetTop(element, container) {\n if (!element.getClientRects().length) {\n return 0;\n }\n\n var rect = element.getBoundingClientRect();\n\n if (rect.width || rect.height) {\n if (container === window) {\n container = element.ownerDocument.documentElement;\n return rect.top - container.clientTop;\n }\n\n return rect.top - container.getBoundingClientRect().top;\n }\n\n return rect.top;\n}\n\nvar sharpMatcherRegx = /#(\\S+)$/;\n\nvar Anchor = /*#__PURE__*/function (_React$Component) {\n _inherits(Anchor, _React$Component);\n\n var _super = _createSuper(Anchor);\n\n function Anchor() {\n var _this;\n\n _classCallCheck(this, Anchor);\n\n _this = _super.apply(this, arguments);\n _this.state = {\n activeLink: null\n };\n _this.links = []; // Context\n\n _this.registerLink = function (link) {\n if (!_this.links.includes(link)) {\n _this.links.push(link);\n }\n };\n\n _this.unregisterLink = function (link) {\n var index = _this.links.indexOf(link);\n\n if (index !== -1) {\n _this.links.splice(index, 1);\n }\n };\n\n _this.getContainer = function () {\n var getTargetContainer = _this.context.getTargetContainer;\n var getContainer = _this.props.getContainer;\n var getFunc = getContainer || getTargetContainer || getDefaultContainer;\n return getFunc();\n };\n\n _this.handleScrollTo = function (link) {\n var _this$props = _this.props,\n offsetTop = _this$props.offsetTop,\n targetOffset = _this$props.targetOffset;\n\n _this.setCurrentActiveLink(link);\n\n var container = _this.getContainer();\n\n var scrollTop = getScroll(container, true);\n var sharpLinkMatch = sharpMatcherRegx.exec(link);\n\n if (!sharpLinkMatch) {\n return;\n }\n\n var targetElement = document.getElementById(sharpLinkMatch[1]);\n\n if (!targetElement) {\n return;\n }\n\n var eleOffsetTop = getOffsetTop(targetElement, container);\n var y = scrollTop + eleOffsetTop;\n y -= targetOffset !== undefined ? targetOffset : offsetTop || 0;\n _this.animating = true;\n scrollTo(y, {\n callback: function callback() {\n _this.animating = false;\n },\n getContainer: _this.getContainer\n });\n };\n\n _this.saveInkNode = function (node) {\n _this.inkNode = node;\n };\n\n _this.setCurrentActiveLink = function (link) {\n var activeLink = _this.state.activeLink;\n var onChange = _this.props.onChange;\n\n if (activeLink !== link) {\n _this.setState({\n activeLink: link\n });\n\n if (onChange) {\n onChange(link);\n }\n }\n };\n\n _this.handleScroll = function () {\n if (_this.animating) {\n return;\n }\n\n var _this$props2 = _this.props,\n offsetTop = _this$props2.offsetTop,\n bounds = _this$props2.bounds,\n targetOffset = _this$props2.targetOffset;\n\n var currentActiveLink = _this.getCurrentAnchor(targetOffset !== undefined ? targetOffset : offsetTop || 0, bounds);\n\n _this.setCurrentActiveLink(currentActiveLink);\n };\n\n _this.updateInk = function () {\n var _assertThisInitialize = _assertThisInitialized(_this),\n prefixCls = _assertThisInitialize.prefixCls;\n\n var anchorNode = ReactDOM.findDOMNode(_assertThisInitialized(_this));\n var linkNode = anchorNode.getElementsByClassName(\"\".concat(prefixCls, \"-link-title-active\"))[0];\n\n if (linkNode) {\n _this.inkNode.style.top = \"\".concat(linkNode.offsetTop + linkNode.clientHeight / 2 - 4.5, \"px\");\n }\n };\n\n _this.render = function () {\n var _this$context = _this.context,\n getPrefixCls = _this$context.getPrefixCls,\n direction = _this$context.direction;\n var _this$props3 = _this.props,\n customizePrefixCls = _this$props3.prefixCls,\n _this$props3$classNam = _this$props3.className,\n className = _this$props3$classNam === void 0 ? '' : _this$props3$classNam,\n style = _this$props3.style,\n offsetTop = _this$props3.offsetTop,\n affix = _this$props3.affix,\n showInkInFixed = _this$props3.showInkInFixed,\n children = _this$props3.children;\n var activeLink = _this.state.activeLink;\n var prefixCls = getPrefixCls('anchor', customizePrefixCls); // To support old version react.\n // Have to add prefixCls on the instance.\n // https://github.com/facebook/react/issues/12397\n\n _this.prefixCls = prefixCls;\n var inkClass = classNames(\"\".concat(prefixCls, \"-ink-ball\"), {\n visible: activeLink\n });\n var wrapperClass = classNames(className, \"\".concat(prefixCls, \"-wrapper\"), _defineProperty({}, \"\".concat(prefixCls, \"-rtl\"), direction === 'rtl'));\n var anchorClass = classNames(prefixCls, {\n fixed: !affix && !showInkInFixed\n });\n\n var wrapperStyle = _extends({\n maxHeight: offsetTop ? \"calc(100vh - \".concat(offsetTop, \"px)\") : '100vh'\n }, style);\n\n var anchorContent = /*#__PURE__*/React.createElement(\"div\", {\n className: wrapperClass,\n style: wrapperStyle\n }, /*#__PURE__*/React.createElement(\"div\", {\n className: anchorClass\n }, /*#__PURE__*/React.createElement(\"div\", {\n className: \"\".concat(prefixCls, \"-ink\")\n }, /*#__PURE__*/React.createElement(\"span\", {\n className: inkClass,\n ref: _this.saveInkNode\n })), children));\n return /*#__PURE__*/React.createElement(AnchorContext.Provider, {\n value: {\n registerLink: _this.registerLink,\n unregisterLink: _this.unregisterLink,\n activeLink: _this.state.activeLink,\n scrollTo: _this.handleScrollTo,\n onClick: _this.props.onClick\n }\n }, !affix ? anchorContent : /*#__PURE__*/React.createElement(Affix, {\n offsetTop: offsetTop,\n target: _this.getContainer\n }, anchorContent));\n };\n\n return _this;\n }\n\n _createClass(Anchor, [{\n key: \"componentDidMount\",\n value: function componentDidMount() {\n this.scrollContainer = this.getContainer();\n this.scrollEvent = addEventListener(this.scrollContainer, 'scroll', this.handleScroll);\n this.handleScroll();\n }\n }, {\n key: \"componentDidUpdate\",\n value: function componentDidUpdate() {\n if (this.scrollEvent) {\n var currentContainer = this.getContainer();\n\n if (this.scrollContainer !== currentContainer) {\n this.scrollContainer = currentContainer;\n this.scrollEvent.remove();\n this.scrollEvent = addEventListener(this.scrollContainer, 'scroll', this.handleScroll);\n this.handleScroll();\n }\n }\n\n this.updateInk();\n }\n }, {\n key: \"componentWillUnmount\",\n value: function componentWillUnmount() {\n if (this.scrollEvent) {\n this.scrollEvent.remove();\n }\n }\n }, {\n key: \"getCurrentAnchor\",\n value: function getCurrentAnchor() {\n var offsetTop = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;\n var bounds = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 5;\n var getCurrentAnchor = this.props.getCurrentAnchor;\n\n if (typeof getCurrentAnchor === 'function') {\n return getCurrentAnchor();\n }\n\n var linkSections = [];\n var container = this.getContainer();\n this.links.forEach(function (link) {\n var sharpLinkMatch = sharpMatcherRegx.exec(link.toString());\n\n if (!sharpLinkMatch) {\n return;\n }\n\n var target = document.getElementById(sharpLinkMatch[1]);\n\n if (target) {\n var top = getOffsetTop(target, container);\n\n if (top < offsetTop + bounds) {\n linkSections.push({\n link: link,\n top: top\n });\n }\n }\n });\n\n if (linkSections.length) {\n var maxSection = linkSections.reduce(function (prev, curr) {\n return curr.top > prev.top ? curr : prev;\n });\n return maxSection.link;\n }\n\n return '';\n }\n }]);\n\n return Anchor;\n}(React.Component);\n\nexport { Anchor as default };\nAnchor.defaultProps = {\n affix: true,\n showInkInFixed: false\n};\nAnchor.contextType = ConfigContext;","import _defineProperty from \"@babel/runtime/helpers/defineProperty\";\nimport _classCallCheck from \"@babel/runtime/helpers/classCallCheck\";\nimport _createClass from \"@babel/runtime/helpers/createClass\";\nimport _inherits from \"@babel/runtime/helpers/inherits\";\nimport _createSuper from \"@babel/runtime/helpers/createSuper\";\nimport * as React from 'react';\nimport classNames from 'classnames';\nimport { ConfigConsumer } from '../config-provider';\nimport AnchorContext from './context';\n\nvar AnchorLink = /*#__PURE__*/function (_React$Component) {\n _inherits(AnchorLink, _React$Component);\n\n var _super = _createSuper(AnchorLink);\n\n function AnchorLink() {\n var _this;\n\n _classCallCheck(this, AnchorLink);\n\n _this = _super.apply(this, arguments);\n\n _this.handleClick = function (e) {\n var _this$context = _this.context,\n scrollTo = _this$context.scrollTo,\n onClick = _this$context.onClick;\n var _this$props = _this.props,\n href = _this$props.href,\n title = _this$props.title;\n\n if (onClick) {\n onClick(e, {\n title: title,\n href: href\n });\n }\n\n scrollTo(href);\n };\n\n _this.renderAnchorLink = function (_ref) {\n var getPrefixCls = _ref.getPrefixCls;\n var _this$props2 = _this.props,\n customizePrefixCls = _this$props2.prefixCls,\n href = _this$props2.href,\n title = _this$props2.title,\n children = _this$props2.children,\n className = _this$props2.className,\n target = _this$props2.target;\n var prefixCls = getPrefixCls('anchor', customizePrefixCls);\n var active = _this.context.activeLink === href;\n var wrapperClassName = classNames(className, \"\".concat(prefixCls, \"-link\"), _defineProperty({}, \"\".concat(prefixCls, \"-link-active\"), active));\n var titleClassName = classNames(\"\".concat(prefixCls, \"-link-title\"), _defineProperty({}, \"\".concat(prefixCls, \"-link-title-active\"), active));\n return /*#__PURE__*/React.createElement(\"div\", {\n className: wrapperClassName\n }, /*#__PURE__*/React.createElement(\"a\", {\n className: titleClassName,\n href: href,\n title: typeof title === 'string' ? title : '',\n target: target,\n onClick: _this.handleClick\n }, title), children);\n };\n\n return _this;\n }\n\n _createClass(AnchorLink, [{\n key: \"componentDidMount\",\n value: function componentDidMount() {\n this.context.registerLink(this.props.href);\n }\n }, {\n key: \"componentDidUpdate\",\n value: function componentDidUpdate(_ref2) {\n var prevHref = _ref2.href;\n var href = this.props.href;\n\n if (prevHref !== href) {\n this.context.unregisterLink(prevHref);\n this.context.registerLink(href);\n }\n }\n }, {\n key: \"componentWillUnmount\",\n value: function componentWillUnmount() {\n this.context.unregisterLink(this.props.href);\n }\n }, {\n key: \"render\",\n value: function render() {\n return /*#__PURE__*/React.createElement(ConfigConsumer, null, this.renderAnchorLink);\n }\n }]);\n\n return AnchorLink;\n}(React.Component);\n\nAnchorLink.defaultProps = {\n href: '#'\n};\nAnchorLink.contextType = AnchorContext;\nexport default AnchorLink;","import Anchor from './Anchor';\nimport AnchorLink from './AnchorLink';\nAnchor.Link = AnchorLink;\nexport default Anchor;","/**\n * Licensed to the Apache Software Foundation (ASF) under one\n * or more contributor license agreements. See the NOTICE file\n * distributed with this work for additional information\n * regarding copyright ownership. The ASF licenses this file\n * to you under the Apache License, Version 2.0 (the\n * \"License\"); you may not use this file except in compliance\n * with the License. You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing,\n * software distributed under the License is distributed on an\n * \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n * KIND, either express or implied. See the License for the\n * specific language governing permissions and limitations\n * under the License.\n */\nimport React from 'react';\nimport { Anchor } from 'antd';\nimport { useMenus } from 'docz';\nimport { css } from '@emotion/core';\nimport { getActiveMenuItem, mq } from '../utils';\n\nconst { Link } = Anchor;\nconst anchorNavStyle = css`\n\n ${[mq[3]]} {\n display: none;\n }\n position: fixed;\n top: 64px;\n right: 0;\n width: 250px;\n padding: 16px;\n height: 605px;\n overflow: auto;\n ul {\n font-size: 12px;\n li {\n height: 25px;\n line-height: 25px;\n word-wrap: break-word;\n }\n }\n`;\n\nconst HeaderNav = () => {\n const menus = useMenus();\n const { headings } = getActiveMenuItem(menus);\n return (\n <div css={anchorNavStyle}>\n <Anchor>\n {headings.map((e) => (\n <Link href={`#${e.slug}`} title={e.value} />\n ))}\n </Anchor>\n </div>\n );\n};\n\nexport default HeaderNav;\n","/**\n * Licensed to the Apache Software Foundation (ASF) under one\n * or more contributor license agreements. See the NOTICE file\n * distributed with this work for additional information\n * regarding copyright ownership. The ASF licenses this file\n * to you under the Apache License, Version 2.0 (the\n * \"License\"); you may not use this file except in compliance\n * with the License. You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing,\n * software distributed under the License is distributed on an\n * \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n * KIND, either express or implied. See the License for the\n * specific language governing permissions and limitations\n * under the License.\n */\nimport React from 'react';\nimport { useMenus } from 'docz';\nimport { getPreviousAndNextUrls } from '../utils';\n\nconst nextButtons = () => {\n const menus = useMenus();\n const [prevUrl, nextUrl] = getPreviousAndNextUrls(menus);\n return (\n <>\n {prevUrl && (\n <a href={prevUrl} className=\"ant-btn\">\n Prev\n </a>\n )}\n {nextUrl && (\n <a href={nextUrl} className=\"ant-btn\">\n Next\n </a>\n )}\n </>\n );\n};\n\nexport default nextButtons;\n","/**\n * Licensed to the Apache Software Foundation (ASF) under one\n * or more contributor license agreements. See the NOTICE file\n * distributed with this work for additional information\n * regarding copyright ownership. The ASF licenses this file\n * to you under the Apache License, Version 2.0 (the\n * \"License\"); you may not use this file except in compliance\n * with the License. You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing,\n * software distributed under the License is distributed on an\n * \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n * KIND, either express or implied. See the License for the\n * specific language governing permissions and limitations\n * under the License.\n */\nimport React from 'react';\nimport { theme, useConfig } from 'docz';\nimport { ThemeProvider } from 'theme-ui';\nimport { css } from '@emotion/core';\nimport SEO from '../components/seo';\nimport Layout from '../components/layout';\nimport AnchorNavigator from '../components/AnchorNavigator';\nimport NextLinks from '../components/next';\n\nimport 'antd/dist/antd.css';\n\ninterface Props {\n children: React.ReactNode;\n}\n\nconst docLayout = css`\n display: flex;\n flex-direction: row;\n`;\n\nconst Theme = ({ children }: Props) => {\n const config = useConfig();\n return (\n <ThemeProvider theme={config}>\n <Layout>\n <SEO title=\"Documentation\" />\n <div css={docLayout}>\n <div>{children}</div>\n <AnchorNavigator />\n </div>\n <div>\n <NextLinks />\n </div>\n </Layout>\n </ThemeProvider>\n );\n};\n\n// @ts-ignore\nexport default theme()(Theme);\n","import React from 'react'\nimport PropTypes from 'prop-types'\nimport { Helmet } from 'react-helmet-async'\n\nimport { useDbQuery } from '../hooks/useDbQuery'\n\nconst SEO = ({ description, lang, meta, keywords, title: initialTitle }) => {\n const db = useDbQuery()\n const title = initialTitle || db.config.title\n const metaDescription = description || db.config.description\n\n return (\n <Helmet\n title={title}\n titleTemplate={`%s | ${db.config.title}`}\n htmlAttributes={{ lang }}\n meta={[\n {\n name: `description`,\n content: metaDescription,\n },\n {\n property: `og:title`,\n content: title,\n },\n {\n property: `og:description`,\n content: metaDescription,\n },\n {\n property: `og:type`,\n content: `website`,\n },\n {\n name: `twitter:card`,\n content: `summary`,\n },\n {\n name: `twitter:title`,\n content: title,\n },\n {\n name: `twitter:description`,\n content: metaDescription,\n },\n ]\n .concat(\n keywords.length > 0\n ? {\n name: `keywords`,\n content: keywords.join(`, `),\n }\n : []\n )\n .concat(meta)}\n />\n )\n}\n\nSEO.defaultProps = {\n lang: `en`,\n meta: [],\n keywords: [],\n}\n\nSEO.propTypes = {\n description: PropTypes.string,\n lang: PropTypes.string,\n meta: PropTypes.array,\n keywords: PropTypes.arrayOf(PropTypes.string),\n title: PropTypes.string.isRequired,\n}\n\nexport default SEO\n","import React, { Fragment } from 'react'\nimport PropTypes from 'prop-types'\nimport { useComponents } from 'docz'\nimport { propEq, get } from 'lodash/fp'\nimport { MDXProvider } from '@mdx-js/react'\n\nimport { useDbQuery } from '../hooks/useDbQuery'\nimport Wrapper from '../wrapper'\nimport Theme from '../index'\nimport SEO from './Seo'\n\nconst Route = ({ children, entry, isTransclusion, ...defaultProps }) => {\n const components = useComponents()\n const NotFound = components.notFound\n const Layout = components.layout\n const props = { ...defaultProps, doc: entry }\n if (!entry && !isTransclusion) return <NotFound />\n return isTransclusion ? (\n children\n ) : (\n <MDXProvider components={components}>\n <Wrapper>\n <Layout {...props}>{children}</Layout>\n </Wrapper>\n </MDXProvider>\n )\n}\n\nconst findEntry = (db, ctx) => {\n const isIndex = ctx && ctx.frontmatter && ctx.frontmatter.route === '/'\n const eqIndex = propEq('value.route', '/')\n if (ctx && !ctx.entry && isIndex) return db.entries.find(eqIndex)\n const filepath = get('entry.filepath', ctx)\n return db.entries.find(propEq('value.filepath', filepath))\n}\n\nconst includesTransclusion = (db, props) => {\n const { entries } = db\n const filepath = get('_frontmatter.__filemeta.filename', props)\n return (\n !props.pageContext &&\n entries.includes(entries.find(propEq('value.filepath', filepath)))\n )\n}\n\nconst Layout = ({ children, ...defaultProps }) => {\n const { pageContext: ctx } = defaultProps\n const db = useDbQuery()\n const entry = findEntry(db, ctx)\n const isTransclusion = includesTransclusion(db, defaultProps)\n return (\n <Fragment>\n {entry && <SEO title={entry.value.name} />}\n <Theme db={db} currentEntry={entry}>\n <Route {...defaultProps} entry={entry} isTransclusion={isTransclusion}>\n {children}\n </Route>\n </Theme>\n </Fragment>\n )\n}\n\nLayout.propTypes = {\n color: PropTypes.string,\n children: PropTypes.node.isRequired,\n}\n\nexport default Layout\n","var convert = require('./convert'),\n func = convert('matchesProperty', require('../matchesProperty'));\n\nfunc.placeholder = require('./placeholder');\nmodule.exports = func;\n","import _defineProperty from \"@babel/runtime/helpers/esm/defineProperty\";\nimport _classCallCheck from \"@babel/runtime/helpers/esm/classCallCheck\";\nimport _createClass from \"@babel/runtime/helpers/esm/createClass\";\nimport _inherits from \"@babel/runtime/helpers/esm/inherits\";\nimport _possibleConstructorReturn from \"@babel/runtime/helpers/esm/possibleConstructorReturn\";\nimport _getPrototypeOf from \"@babel/runtime/helpers/esm/getPrototypeOf\";\n\nfunction ownKeys(object, enumerableOnly) {\n var keys = Object.keys(object);\n\n if (Object.getOwnPropertySymbols) {\n var symbols = Object.getOwnPropertySymbols(object);\n if (enumerableOnly) symbols = symbols.filter(function (sym) {\n return Object.getOwnPropertyDescriptor(object, sym).enumerable;\n });\n keys.push.apply(keys, symbols);\n }\n\n return keys;\n}\n\nfunction _objectSpread(target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i] != null ? arguments[i] : {};\n\n if (i % 2) {\n ownKeys(Object(source), true).forEach(function (key) {\n _defineProperty(target, key, source[key]);\n });\n } else if (Object.getOwnPropertyDescriptors) {\n Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));\n } else {\n ownKeys(Object(source)).forEach(function (key) {\n Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));\n });\n }\n }\n\n return target;\n}\n\nfunction _createSuper(Derived) {\n var hasNativeReflectConstruct = _isNativeReflectConstruct();\n\n return function _createSuperInternal() {\n var Super = _getPrototypeOf(Derived),\n result;\n\n if (hasNativeReflectConstruct) {\n var NewTarget = _getPrototypeOf(this).constructor;\n\n result = Reflect.construct(Super, arguments, NewTarget);\n } else {\n result = Super.apply(this, arguments);\n }\n\n return _possibleConstructorReturn(this, result);\n };\n}\n\nfunction _isNativeReflectConstruct() {\n if (typeof Reflect === \"undefined\" || !Reflect.construct) return false;\n if (Reflect.construct.sham) return false;\n if (typeof Proxy === \"function\") return true;\n\n try {\n Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));\n return true;\n } catch (e) {\n return false;\n }\n}\n\nimport * as React from 'react';\nimport findDOMNode from \"rc-util/es/Dom/findDOMNode\";\nimport toArray from \"rc-util/es/Children/toArray\";\nimport warning from \"rc-util/es/warning\";\nimport { composeRef, supportRef } from \"rc-util/es/ref\";\nimport ResizeObserver from 'resize-observer-polyfill';\nvar INTERNAL_PREFIX_KEY = 'rc-observer-key'; // Still need to be compatible with React 15, we use class component here\n\nvar ReactResizeObserver =\n/** @class */\nfunction () {\n var ReactResizeObserver = /*#__PURE__*/function (_React$Component) {\n _inherits(ReactResizeObserver, _React$Component);\n\n var _super = _createSuper(ReactResizeObserver);\n\n function ReactResizeObserver() {\n var _this;\n\n _classCallCheck(this, ReactResizeObserver);\n\n _this = _super.apply(this, arguments);\n _this.resizeObserver = null;\n _this.childNode = null;\n _this.currentElement = null;\n _this.state = {\n width: 0,\n height: 0\n };\n\n _this.onResize = function (entries) {\n var onResize = _this.props.onResize;\n var target = entries[0].target;\n\n var _target$getBoundingCl = target.getBoundingClientRect(),\n width = _target$getBoundingCl.width,\n height = _target$getBoundingCl.height;\n\n var offsetWidth = target.offsetWidth,\n offsetHeight = target.offsetHeight;\n /**\n * Resize observer trigger when content size changed.\n * In most case we just care about element size,\n * let's use `boundary` instead of `contentRect` here to avoid shaking.\n */\n\n var fixedWidth = Math.floor(width);\n var fixedHeight = Math.floor(height);\n\n if (_this.state.width !== fixedWidth || _this.state.height !== fixedHeight) {\n var size = {\n width: fixedWidth,\n height: fixedHeight\n };\n\n _this.setState(size);\n\n if (onResize) {\n onResize(_objectSpread(_objectSpread({}, size), {}, {\n offsetWidth: offsetWidth,\n offsetHeight: offsetHeight\n }));\n }\n }\n };\n\n _this.setChildNode = function (node) {\n _this.childNode = node;\n };\n\n return _this;\n }\n\n _createClass(ReactResizeObserver, [{\n key: \"componentDidMount\",\n value: function componentDidMount() {\n this.onComponentUpdated();\n }\n }, {\n key: \"componentDidUpdate\",\n value: function componentDidUpdate() {\n this.onComponentUpdated();\n }\n }, {\n key: \"componentWillUnmount\",\n value: function componentWillUnmount() {\n this.destroyObserver();\n }\n }, {\n key: \"onComponentUpdated\",\n value: function onComponentUpdated() {\n var disabled = this.props.disabled; // Unregister if disabled\n\n if (disabled) {\n this.destroyObserver();\n return;\n } // Unregister if element changed\n\n\n var element = findDOMNode(this.childNode || this);\n var elementChanged = element !== this.currentElement;\n\n if (elementChanged) {\n this.destroyObserver();\n this.currentElement = element;\n }\n\n if (!this.resizeObserver && element) {\n this.resizeObserver = new ResizeObserver(this.onResize);\n this.resizeObserver.observe(element);\n }\n }\n }, {\n key: \"destroyObserver\",\n value: function destroyObserver() {\n if (this.resizeObserver) {\n this.resizeObserver.disconnect();\n this.resizeObserver = null;\n }\n }\n }, {\n key: \"render\",\n value: function render() {\n var children = this.props.children;\n var childNodes = toArray(children);\n\n if (childNodes.length > 1) {\n warning(false, 'Find more than one child node with `children` in ResizeObserver. Will only observe first one.');\n } else if (childNodes.length === 0) {\n warning(false, '`children` of ResizeObserver is empty. Nothing is in observe.');\n return null;\n }\n\n var childNode = childNodes[0];\n\n if (React.isValidElement(childNode) && supportRef(childNode)) {\n var ref = childNode.ref;\n childNodes[0] = React.cloneElement(childNode, {\n ref: composeRef(ref, this.setChildNode)\n });\n }\n\n return childNodes.length === 1 ? childNodes[0] : childNodes.map(function (node, index) {\n if (!React.isValidElement(node) || 'key' in node && node.key !== null) {\n return node;\n }\n\n return React.cloneElement(node, {\n key: \"\".concat(INTERNAL_PREFIX_KEY, \"-\").concat(index)\n });\n });\n }\n }]);\n\n return ReactResizeObserver;\n }(React.Component);\n\n ReactResizeObserver.displayName = 'ResizeObserver';\n return ReactResizeObserver;\n}();\n\nexport default ReactResizeObserver;"],"sourceRoot":""} |