\n * )}\n * \n * );\n * ```\n *\n * There are 4 main states a Transition can be in:\n * - `'entering'`\n * - `'entered'`\n * - `'exiting'`\n * - `'exited'`\n *\n * Transition state is toggled via the `in` prop. When `true` the component\n * begins the \"Enter\" stage. During this stage, the component will shift from\n * its current transition state, to `'entering'` for the duration of the\n * transition and then to the `'entered'` stage once it's complete. Let's take\n * the following example (we'll use the\n * [useState](https://reactjs.org/docs/hooks-reference.html#usestate) hook):\n *\n * ```jsx\n * function App() {\n * const [inProp, setInProp] = useState(false);\n * return (\n *
\n * );\n * }\n * ```\n *\n * When the button is clicked the component will shift to the `'entering'` state\n * and stay there for 500ms (the value of `timeout`) before it finally switches\n * to `'entered'`.\n *\n * When `in` is `false` the same thing happens except the state moves from\n * `'exiting'` to `'exited'`.\n */\n\nvar Transition = /*#__PURE__*/function (_React$Component) {\n _inheritsLoose(Transition, _React$Component);\n\n function Transition(props, context) {\n var _this;\n\n _this = _React$Component.call(this, props, context) || this;\n var parentGroup = context; // In the context of a TransitionGroup all enters are really appears\n\n var appear = parentGroup && !parentGroup.isMounting ? props.enter : props.appear;\n var initialStatus;\n _this.appearStatus = null;\n\n if (props.in) {\n if (appear) {\n initialStatus = EXITED;\n _this.appearStatus = ENTERING;\n } else {\n initialStatus = ENTERED;\n }\n } else {\n if (props.unmountOnExit || props.mountOnEnter) {\n initialStatus = UNMOUNTED;\n } else {\n initialStatus = EXITED;\n }\n }\n\n _this.state = {\n status: initialStatus\n };\n _this.nextCallback = null;\n return _this;\n }\n\n Transition.getDerivedStateFromProps = function getDerivedStateFromProps(_ref, prevState) {\n var nextIn = _ref.in;\n\n if (nextIn && prevState.status === UNMOUNTED) {\n return {\n status: EXITED\n };\n }\n\n return null;\n } // getSnapshotBeforeUpdate(prevProps) {\n // let nextStatus = null\n // if (prevProps !== this.props) {\n // const { status } = this.state\n // if (this.props.in) {\n // if (status !== ENTERING && status !== ENTERED) {\n // nextStatus = ENTERING\n // }\n // } else {\n // if (status === ENTERING || status === ENTERED) {\n // nextStatus = EXITING\n // }\n // }\n // }\n // return { nextStatus }\n // }\n ;\n\n var _proto = Transition.prototype;\n\n _proto.componentDidMount = function componentDidMount() {\n this.updateStatus(true, this.appearStatus);\n };\n\n _proto.componentDidUpdate = function componentDidUpdate(prevProps) {\n var nextStatus = null;\n\n if (prevProps !== this.props) {\n var status = this.state.status;\n\n if (this.props.in) {\n if (status !== ENTERING && status !== ENTERED) {\n nextStatus = ENTERING;\n }\n } else {\n if (status === ENTERING || status === ENTERED) {\n nextStatus = EXITING;\n }\n }\n }\n\n this.updateStatus(false, nextStatus);\n };\n\n _proto.componentWillUnmount = function componentWillUnmount() {\n this.cancelNextCallback();\n };\n\n _proto.getTimeouts = function getTimeouts() {\n var timeout = this.props.timeout;\n var exit, enter, appear;\n exit = enter = appear = timeout;\n\n if (timeout != null && typeof timeout !== 'number') {\n exit = timeout.exit;\n enter = timeout.enter; // TODO: remove fallback for next major\n\n appear = timeout.appear !== undefined ? timeout.appear : enter;\n }\n\n return {\n exit: exit,\n enter: enter,\n appear: appear\n };\n };\n\n _proto.updateStatus = function updateStatus(mounting, nextStatus) {\n if (mounting === void 0) {\n mounting = false;\n }\n\n if (nextStatus !== null) {\n // nextStatus will always be ENTERING or EXITING.\n this.cancelNextCallback();\n\n if (nextStatus === ENTERING) {\n if (this.props.unmountOnExit || this.props.mountOnEnter) {\n var node = this.props.nodeRef ? this.props.nodeRef.current : ReactDOM.findDOMNode(this); // https://github.com/reactjs/react-transition-group/pull/749\n // With unmountOnExit or mountOnEnter, the enter animation should happen at the transition between `exited` and `entering`.\n // To make the animation happen, we have to separate each rendering and avoid being processed as batched.\n\n if (node) forceReflow(node);\n }\n\n this.performEnter(mounting);\n } else {\n this.performExit();\n }\n } else if (this.props.unmountOnExit && this.state.status === EXITED) {\n this.setState({\n status: UNMOUNTED\n });\n }\n };\n\n _proto.performEnter = function performEnter(mounting) {\n var _this2 = this;\n\n var enter = this.props.enter;\n var appearing = this.context ? this.context.isMounting : mounting;\n\n var _ref2 = this.props.nodeRef ? [appearing] : [ReactDOM.findDOMNode(this), appearing],\n maybeNode = _ref2[0],\n maybeAppearing = _ref2[1];\n\n var timeouts = this.getTimeouts();\n var enterTimeout = appearing ? timeouts.appear : timeouts.enter; // no enter animation skip right to ENTERED\n // if we are mounting and running this it means appear _must_ be set\n\n if (!mounting && !enter || config.disabled) {\n this.safeSetState({\n status: ENTERED\n }, function () {\n _this2.props.onEntered(maybeNode);\n });\n return;\n }\n\n this.props.onEnter(maybeNode, maybeAppearing);\n this.safeSetState({\n status: ENTERING\n }, function () {\n _this2.props.onEntering(maybeNode, maybeAppearing);\n\n _this2.onTransitionEnd(enterTimeout, function () {\n _this2.safeSetState({\n status: ENTERED\n }, function () {\n _this2.props.onEntered(maybeNode, maybeAppearing);\n });\n });\n });\n };\n\n _proto.performExit = function performExit() {\n var _this3 = this;\n\n var exit = this.props.exit;\n var timeouts = this.getTimeouts();\n var maybeNode = this.props.nodeRef ? undefined : ReactDOM.findDOMNode(this); // no exit animation skip right to EXITED\n\n if (!exit || config.disabled) {\n this.safeSetState({\n status: EXITED\n }, function () {\n _this3.props.onExited(maybeNode);\n });\n return;\n }\n\n this.props.onExit(maybeNode);\n this.safeSetState({\n status: EXITING\n }, function () {\n _this3.props.onExiting(maybeNode);\n\n _this3.onTransitionEnd(timeouts.exit, function () {\n _this3.safeSetState({\n status: EXITED\n }, function () {\n _this3.props.onExited(maybeNode);\n });\n });\n });\n };\n\n _proto.cancelNextCallback = function cancelNextCallback() {\n if (this.nextCallback !== null) {\n this.nextCallback.cancel();\n this.nextCallback = null;\n }\n };\n\n _proto.safeSetState = function safeSetState(nextState, callback) {\n // This shouldn't be necessary, but there are weird race conditions with\n // setState callbacks and unmounting in testing, so always make sure that\n // we can cancel any pending setState callbacks after we unmount.\n callback = this.setNextCallback(callback);\n this.setState(nextState, callback);\n };\n\n _proto.setNextCallback = function setNextCallback(callback) {\n var _this4 = this;\n\n var active = true;\n\n this.nextCallback = function (event) {\n if (active) {\n active = false;\n _this4.nextCallback = null;\n callback(event);\n }\n };\n\n this.nextCallback.cancel = function () {\n active = false;\n };\n\n return this.nextCallback;\n };\n\n _proto.onTransitionEnd = function onTransitionEnd(timeout, handler) {\n this.setNextCallback(handler);\n var node = this.props.nodeRef ? this.props.nodeRef.current : ReactDOM.findDOMNode(this);\n var doesNotHaveTimeoutOrListener = timeout == null && !this.props.addEndListener;\n\n if (!node || doesNotHaveTimeoutOrListener) {\n setTimeout(this.nextCallback, 0);\n return;\n }\n\n if (this.props.addEndListener) {\n var _ref3 = this.props.nodeRef ? [this.nextCallback] : [node, this.nextCallback],\n maybeNode = _ref3[0],\n maybeNextCallback = _ref3[1];\n\n this.props.addEndListener(maybeNode, maybeNextCallback);\n }\n\n if (timeout != null) {\n setTimeout(this.nextCallback, timeout);\n }\n };\n\n _proto.render = function render() {\n var status = this.state.status;\n\n if (status === UNMOUNTED) {\n return null;\n }\n\n var _this$props = this.props,\n children = _this$props.children,\n _in = _this$props.in,\n _mountOnEnter = _this$props.mountOnEnter,\n _unmountOnExit = _this$props.unmountOnExit,\n _appear = _this$props.appear,\n _enter = _this$props.enter,\n _exit = _this$props.exit,\n _timeout = _this$props.timeout,\n _addEndListener = _this$props.addEndListener,\n _onEnter = _this$props.onEnter,\n _onEntering = _this$props.onEntering,\n _onEntered = _this$props.onEntered,\n _onExit = _this$props.onExit,\n _onExiting = _this$props.onExiting,\n _onExited = _this$props.onExited,\n _nodeRef = _this$props.nodeRef,\n childProps = _objectWithoutPropertiesLoose(_this$props, [\"children\", \"in\", \"mountOnEnter\", \"unmountOnExit\", \"appear\", \"enter\", \"exit\", \"timeout\", \"addEndListener\", \"onEnter\", \"onEntering\", \"onEntered\", \"onExit\", \"onExiting\", \"onExited\", \"nodeRef\"]);\n\n return (\n /*#__PURE__*/\n // allows for nested Transitions\n React.createElement(TransitionGroupContext.Provider, {\n value: null\n }, typeof children === 'function' ? children(status, childProps) : React.cloneElement(React.Children.only(children), childProps))\n );\n };\n\n return Transition;\n}(React.Component);\n\nTransition.contextType = TransitionGroupContext;\nTransition.propTypes = process.env.NODE_ENV !== \"production\" ? {\n /**\n * A React reference to DOM element that need to transition:\n * https://stackoverflow.com/a/51127130/4671932\n *\n * - When `nodeRef` prop is used, `node` is not passed to callback functions\n * (e.g. `onEnter`) because user already has direct access to the node.\n * - When changing `key` prop of `Transition` in a `TransitionGroup` a new\n * `nodeRef` need to be provided to `Transition` with changed `key` prop\n * (see\n * [test/CSSTransition-test.js](https://github.com/reactjs/react-transition-group/blob/13435f897b3ab71f6e19d724f145596f5910581c/test/CSSTransition-test.js#L362-L437)).\n */\n nodeRef: PropTypes.shape({\n current: typeof Element === 'undefined' ? PropTypes.any : function (propValue, key, componentName, location, propFullName, secret) {\n var value = propValue[key];\n return PropTypes.instanceOf(value && 'ownerDocument' in value ? value.ownerDocument.defaultView.Element : Element)(propValue, key, componentName, location, propFullName, secret);\n }\n }),\n\n /**\n * A `function` child can be used instead of a React element. This function is\n * called with the current transition status (`'entering'`, `'entered'`,\n * `'exiting'`, `'exited'`), which can be used to apply context\n * specific props to a component.\n *\n * ```jsx\n * \n * {state => (\n * \n * )}\n * \n * ```\n */\n children: PropTypes.oneOfType([PropTypes.func.isRequired, PropTypes.element.isRequired]).isRequired,\n\n /**\n * Show the component; triggers the enter or exit states\n */\n in: PropTypes.bool,\n\n /**\n * By default the child component is mounted immediately along with\n * the parent `Transition` component. If you want to \"lazy mount\" the component on the\n * first `in={true}` you can set `mountOnEnter`. After the first enter transition the component will stay\n * mounted, even on \"exited\", unless you also specify `unmountOnExit`.\n */\n mountOnEnter: PropTypes.bool,\n\n /**\n * By default the child component stays mounted after it reaches the `'exited'` state.\n * Set `unmountOnExit` if you'd prefer to unmount the component after it finishes exiting.\n */\n unmountOnExit: PropTypes.bool,\n\n /**\n * By default the child component does not perform the enter transition when\n * it first mounts, regardless of the value of `in`. If you want this\n * behavior, set both `appear` and `in` to `true`.\n *\n * > **Note**: there are no special appear states like `appearing`/`appeared`, this prop\n * > only adds an additional enter transition. However, in the\n * > `` component that first enter transition does result in\n * > additional `.appear-*` classes, that way you can choose to style it\n * > differently.\n */\n appear: PropTypes.bool,\n\n /**\n * Enable or disable enter transitions.\n */\n enter: PropTypes.bool,\n\n /**\n * Enable or disable exit transitions.\n */\n exit: PropTypes.bool,\n\n /**\n * The duration of the transition, in milliseconds.\n * Required unless `addEndListener` is provided.\n *\n * You may specify a single timeout for all transitions:\n *\n * ```jsx\n * timeout={500}\n * ```\n *\n * or individually:\n *\n * ```jsx\n * timeout={{\n * appear: 500,\n * enter: 300,\n * exit: 500,\n * }}\n * ```\n *\n * - `appear` defaults to the value of `enter`\n * - `enter` defaults to `0`\n * - `exit` defaults to `0`\n *\n * @type {number | { enter?: number, exit?: number, appear?: number }}\n */\n timeout: function timeout(props) {\n var pt = timeoutsShape;\n if (!props.addEndListener) pt = pt.isRequired;\n\n for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n args[_key - 1] = arguments[_key];\n }\n\n return pt.apply(void 0, [props].concat(args));\n },\n\n /**\n * Add a custom transition end trigger. Called with the transitioning\n * DOM node and a `done` callback. Allows for more fine grained transition end\n * logic. Timeouts are still used as a fallback if provided.\n *\n * **Note**: when `nodeRef` prop is passed, `node` is not passed.\n *\n * ```jsx\n * addEndListener={(node, done) => {\n * // use the css transitionend event to mark the finish of a transition\n * node.addEventListener('transitionend', done, false);\n * }}\n * ```\n */\n addEndListener: PropTypes.func,\n\n /**\n * Callback fired before the \"entering\" status is applied. An extra parameter\n * `isAppearing` is supplied to indicate if the enter stage is occurring on the initial mount\n *\n * **Note**: when `nodeRef` prop is passed, `node` is not passed.\n *\n * @type Function(node: HtmlElement, isAppearing: bool) -> void\n */\n onEnter: PropTypes.func,\n\n /**\n * Callback fired after the \"entering\" status is applied. An extra parameter\n * `isAppearing` is supplied to indicate if the enter stage is occurring on the initial mount\n *\n * **Note**: when `nodeRef` prop is passed, `node` is not passed.\n *\n * @type Function(node: HtmlElement, isAppearing: bool)\n */\n onEntering: PropTypes.func,\n\n /**\n * Callback fired after the \"entered\" status is applied. An extra parameter\n * `isAppearing` is supplied to indicate if the enter stage is occurring on the initial mount\n *\n * **Note**: when `nodeRef` prop is passed, `node` is not passed.\n *\n * @type Function(node: HtmlElement, isAppearing: bool) -> void\n */\n onEntered: PropTypes.func,\n\n /**\n * Callback fired before the \"exiting\" status is applied.\n *\n * **Note**: when `nodeRef` prop is passed, `node` is not passed.\n *\n * @type Function(node: HtmlElement) -> void\n */\n onExit: PropTypes.func,\n\n /**\n * Callback fired after the \"exiting\" status is applied.\n *\n * **Note**: when `nodeRef` prop is passed, `node` is not passed.\n *\n * @type Function(node: HtmlElement) -> void\n */\n onExiting: PropTypes.func,\n\n /**\n * Callback fired after the \"exited\" status is applied.\n *\n * **Note**: when `nodeRef` prop is passed, `node` is not passed\n *\n * @type Function(node: HtmlElement) -> void\n */\n onExited: PropTypes.func\n} : {}; // Name the function so it is clearer in the documentation\n\nfunction noop() {}\n\nTransition.defaultProps = {\n in: false,\n mountOnEnter: false,\n unmountOnExit: false,\n appear: false,\n enter: true,\n exit: true,\n onEnter: noop,\n onEntering: noop,\n onEntered: noop,\n onExit: noop,\n onExiting: noop,\n onExited: noop\n};\nTransition.UNMOUNTED = UNMOUNTED;\nTransition.EXITED = EXITED;\nTransition.ENTERING = ENTERING;\nTransition.ENTERED = ENTERED;\nTransition.EXITING = EXITING;\nexport default Transition;","import _extends from \"@babel/runtime/helpers/esm/extends\";\nimport _objectWithoutPropertiesLoose from \"@babel/runtime/helpers/esm/objectWithoutPropertiesLoose\";\nimport _inheritsLoose from \"@babel/runtime/helpers/esm/inheritsLoose\";\nimport PropTypes from 'prop-types';\nimport addOneClass from 'dom-helpers/addClass';\nimport removeOneClass from 'dom-helpers/removeClass';\nimport React from 'react';\nimport Transition from './Transition';\nimport { classNamesShape } from './utils/PropTypes';\nimport { forceReflow } from './utils/reflow';\n\nvar _addClass = function addClass(node, classes) {\n return node && classes && classes.split(' ').forEach(function (c) {\n return addOneClass(node, c);\n });\n};\n\nvar removeClass = function removeClass(node, classes) {\n return node && classes && classes.split(' ').forEach(function (c) {\n return removeOneClass(node, c);\n });\n};\n/**\n * A transition component inspired by the excellent\n * [ng-animate](https://docs.angularjs.org/api/ngAnimate) library, you should\n * use it if you're using CSS transitions or animations. It's built upon the\n * [`Transition`](https://reactcommunity.org/react-transition-group/transition)\n * component, so it inherits all of its props.\n *\n * `CSSTransition` applies a pair of class names during the `appear`, `enter`,\n * and `exit` states of the transition. The first class is applied and then a\n * second `*-active` class in order to activate the CSS transition. After the\n * transition, matching `*-done` class names are applied to persist the\n * transition state.\n *\n * ```jsx\n * function App() {\n * const [inProp, setInProp] = useState(false);\n * return (\n *
\n * \n *
\n * {\"I'll receive my-node-* classes\"}\n *
\n * \n * \n *
\n * );\n * }\n * ```\n *\n * When the `in` prop is set to `true`, the child component will first receive\n * the class `example-enter`, then the `example-enter-active` will be added in\n * the next tick. `CSSTransition` [forces a\n * reflow](https://github.com/reactjs/react-transition-group/blob/5007303e729a74be66a21c3e2205e4916821524b/src/CSSTransition.js#L208-L215)\n * between before adding the `example-enter-active`. This is an important trick\n * because it allows us to transition between `example-enter` and\n * `example-enter-active` even though they were added immediately one after\n * another. Most notably, this is what makes it possible for us to animate\n * _appearance_.\n *\n * ```css\n * .my-node-enter {\n * opacity: 0;\n * }\n * .my-node-enter-active {\n * opacity: 1;\n * transition: opacity 200ms;\n * }\n * .my-node-exit {\n * opacity: 1;\n * }\n * .my-node-exit-active {\n * opacity: 0;\n * transition: opacity 200ms;\n * }\n * ```\n *\n * `*-active` classes represent which styles you want to animate **to**, so it's\n * important to add `transition` declaration only to them, otherwise transitions\n * might not behave as intended! This might not be obvious when the transitions\n * are symmetrical, i.e. when `*-enter-active` is the same as `*-exit`, like in\n * the example above (minus `transition`), but it becomes apparent in more\n * complex transitions.\n *\n * **Note**: If you're using the\n * [`appear`](http://reactcommunity.org/react-transition-group/transition#Transition-prop-appear)\n * prop, make sure to define styles for `.appear-*` classes as well.\n */\n\n\nvar CSSTransition = /*#__PURE__*/function (_React$Component) {\n _inheritsLoose(CSSTransition, _React$Component);\n\n function CSSTransition() {\n var _this;\n\n for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n args[_key] = arguments[_key];\n }\n\n _this = _React$Component.call.apply(_React$Component, [this].concat(args)) || this;\n _this.appliedClasses = {\n appear: {},\n enter: {},\n exit: {}\n };\n\n _this.onEnter = function (maybeNode, maybeAppearing) {\n var _this$resolveArgument = _this.resolveArguments(maybeNode, maybeAppearing),\n node = _this$resolveArgument[0],\n appearing = _this$resolveArgument[1];\n\n _this.removeClasses(node, 'exit');\n\n _this.addClass(node, appearing ? 'appear' : 'enter', 'base');\n\n if (_this.props.onEnter) {\n _this.props.onEnter(maybeNode, maybeAppearing);\n }\n };\n\n _this.onEntering = function (maybeNode, maybeAppearing) {\n var _this$resolveArgument2 = _this.resolveArguments(maybeNode, maybeAppearing),\n node = _this$resolveArgument2[0],\n appearing = _this$resolveArgument2[1];\n\n var type = appearing ? 'appear' : 'enter';\n\n _this.addClass(node, type, 'active');\n\n if (_this.props.onEntering) {\n _this.props.onEntering(maybeNode, maybeAppearing);\n }\n };\n\n _this.onEntered = function (maybeNode, maybeAppearing) {\n var _this$resolveArgument3 = _this.resolveArguments(maybeNode, maybeAppearing),\n node = _this$resolveArgument3[0],\n appearing = _this$resolveArgument3[1];\n\n var type = appearing ? 'appear' : 'enter';\n\n _this.removeClasses(node, type);\n\n _this.addClass(node, type, 'done');\n\n if (_this.props.onEntered) {\n _this.props.onEntered(maybeNode, maybeAppearing);\n }\n };\n\n _this.onExit = function (maybeNode) {\n var _this$resolveArgument4 = _this.resolveArguments(maybeNode),\n node = _this$resolveArgument4[0];\n\n _this.removeClasses(node, 'appear');\n\n _this.removeClasses(node, 'enter');\n\n _this.addClass(node, 'exit', 'base');\n\n if (_this.props.onExit) {\n _this.props.onExit(maybeNode);\n }\n };\n\n _this.onExiting = function (maybeNode) {\n var _this$resolveArgument5 = _this.resolveArguments(maybeNode),\n node = _this$resolveArgument5[0];\n\n _this.addClass(node, 'exit', 'active');\n\n if (_this.props.onExiting) {\n _this.props.onExiting(maybeNode);\n }\n };\n\n _this.onExited = function (maybeNode) {\n var _this$resolveArgument6 = _this.resolveArguments(maybeNode),\n node = _this$resolveArgument6[0];\n\n _this.removeClasses(node, 'exit');\n\n _this.addClass(node, 'exit', 'done');\n\n if (_this.props.onExited) {\n _this.props.onExited(maybeNode);\n }\n };\n\n _this.resolveArguments = function (maybeNode, maybeAppearing) {\n return _this.props.nodeRef ? [_this.props.nodeRef.current, maybeNode] // here `maybeNode` is actually `appearing`\n : [maybeNode, maybeAppearing];\n };\n\n _this.getClassNames = function (type) {\n var classNames = _this.props.classNames;\n var isStringClassNames = typeof classNames === 'string';\n var prefix = isStringClassNames && classNames ? classNames + \"-\" : '';\n var baseClassName = isStringClassNames ? \"\" + prefix + type : classNames[type];\n var activeClassName = isStringClassNames ? baseClassName + \"-active\" : classNames[type + \"Active\"];\n var doneClassName = isStringClassNames ? baseClassName + \"-done\" : classNames[type + \"Done\"];\n return {\n baseClassName: baseClassName,\n activeClassName: activeClassName,\n doneClassName: doneClassName\n };\n };\n\n return _this;\n }\n\n var _proto = CSSTransition.prototype;\n\n _proto.addClass = function addClass(node, type, phase) {\n var className = this.getClassNames(type)[phase + \"ClassName\"];\n\n var _this$getClassNames = this.getClassNames('enter'),\n doneClassName = _this$getClassNames.doneClassName;\n\n if (type === 'appear' && phase === 'done' && doneClassName) {\n className += \" \" + doneClassName;\n } // This is to force a repaint,\n // which is necessary in order to transition styles when adding a class name.\n\n\n if (phase === 'active') {\n if (node) forceReflow(node);\n }\n\n if (className) {\n this.appliedClasses[type][phase] = className;\n\n _addClass(node, className);\n }\n };\n\n _proto.removeClasses = function removeClasses(node, type) {\n var _this$appliedClasses$ = this.appliedClasses[type],\n baseClassName = _this$appliedClasses$.base,\n activeClassName = _this$appliedClasses$.active,\n doneClassName = _this$appliedClasses$.done;\n this.appliedClasses[type] = {};\n\n if (baseClassName) {\n removeClass(node, baseClassName);\n }\n\n if (activeClassName) {\n removeClass(node, activeClassName);\n }\n\n if (doneClassName) {\n removeClass(node, doneClassName);\n }\n };\n\n _proto.render = function render() {\n var _this$props = this.props,\n _ = _this$props.classNames,\n props = _objectWithoutPropertiesLoose(_this$props, [\"classNames\"]);\n\n return /*#__PURE__*/React.createElement(Transition, _extends({}, props, {\n onEnter: this.onEnter,\n onEntered: this.onEntered,\n onEntering: this.onEntering,\n onExit: this.onExit,\n onExiting: this.onExiting,\n onExited: this.onExited\n }));\n };\n\n return CSSTransition;\n}(React.Component);\n\nCSSTransition.defaultProps = {\n classNames: ''\n};\nCSSTransition.propTypes = process.env.NODE_ENV !== \"production\" ? _extends({}, Transition.propTypes, {\n /**\n * The animation classNames applied to the component as it appears, enters,\n * exits or has finished the transition. A single name can be provided, which\n * will be suffixed for each stage, e.g. `classNames=\"fade\"` applies:\n *\n * - `fade-appear`, `fade-appear-active`, `fade-appear-done`\n * - `fade-enter`, `fade-enter-active`, `fade-enter-done`\n * - `fade-exit`, `fade-exit-active`, `fade-exit-done`\n *\n * A few details to note about how these classes are applied:\n *\n * 1. They are _joined_ with the ones that are already defined on the child\n * component, so if you want to add some base styles, you can use\n * `className` without worrying that it will be overridden.\n *\n * 2. If the transition component mounts with `in={false}`, no classes are\n * applied yet. You might be expecting `*-exit-done`, but if you think\n * about it, a component cannot finish exiting if it hasn't entered yet.\n *\n * 2. `fade-appear-done` and `fade-enter-done` will _both_ be applied. This\n * allows you to define different behavior for when appearing is done and\n * when regular entering is done, using selectors like\n * `.fade-enter-done:not(.fade-appear-done)`. For example, you could apply\n * an epic entrance animation when element first appears in the DOM using\n * [Animate.css](https://daneden.github.io/animate.css/). Otherwise you can\n * simply use `fade-enter-done` for defining both cases.\n *\n * Each individual classNames can also be specified independently like:\n *\n * ```js\n * classNames={{\n * appear: 'my-appear',\n * appearActive: 'my-active-appear',\n * appearDone: 'my-done-appear',\n * enter: 'my-enter',\n * enterActive: 'my-active-enter',\n * enterDone: 'my-done-enter',\n * exit: 'my-exit',\n * exitActive: 'my-active-exit',\n * exitDone: 'my-done-exit',\n * }}\n * ```\n *\n * If you want to set these classes using CSS Modules:\n *\n * ```js\n * import styles from './styles.css';\n * ```\n *\n * you might want to use camelCase in your CSS file, that way could simply\n * spread them instead of listing them one by one:\n *\n * ```js\n * classNames={{ ...styles }}\n * ```\n *\n * @type {string | {\n * appear?: string,\n * appearActive?: string,\n * appearDone?: string,\n * enter?: string,\n * enterActive?: string,\n * enterDone?: string,\n * exit?: string,\n * exitActive?: string,\n * exitDone?: string,\n * }}\n */\n classNames: classNamesShape,\n\n /**\n * A `` callback fired immediately after the 'enter' or 'appear' class is\n * applied.\n *\n * **Note**: when `nodeRef` prop is passed, `node` is not passed.\n *\n * @type Function(node: HtmlElement, isAppearing: bool)\n */\n onEnter: PropTypes.func,\n\n /**\n * A `` callback fired immediately after the 'enter-active' or\n * 'appear-active' class is applied.\n *\n * **Note**: when `nodeRef` prop is passed, `node` is not passed.\n *\n * @type Function(node: HtmlElement, isAppearing: bool)\n */\n onEntering: PropTypes.func,\n\n /**\n * A `` callback fired immediately after the 'enter' or\n * 'appear' classes are **removed** and the `done` class is added to the DOM node.\n *\n * **Note**: when `nodeRef` prop is passed, `node` is not passed.\n *\n * @type Function(node: HtmlElement, isAppearing: bool)\n */\n onEntered: PropTypes.func,\n\n /**\n * A `` callback fired immediately after the 'exit' class is\n * applied.\n *\n * **Note**: when `nodeRef` prop is passed, `node` is not passed\n *\n * @type Function(node: HtmlElement)\n */\n onExit: PropTypes.func,\n\n /**\n * A `` callback fired immediately after the 'exit-active' is applied.\n *\n * **Note**: when `nodeRef` prop is passed, `node` is not passed\n *\n * @type Function(node: HtmlElement)\n */\n onExiting: PropTypes.func,\n\n /**\n * A `` callback fired immediately after the 'exit' classes\n * are **removed** and the `exit-done` class is added to the DOM node.\n *\n * **Note**: when `nodeRef` prop is passed, `node` is not passed\n *\n * @type Function(node: HtmlElement)\n */\n onExited: PropTypes.func\n}) : {};\nexport default CSSTransition;","import hasClass from './hasClass';\n/**\n * Adds a CSS class to a given element.\n * \n * @param element the element\n * @param className the CSS class name\n */\n\nexport default function addClass(element, className) {\n if (element.classList) element.classList.add(className);else if (!hasClass(element, className)) if (typeof element.className === 'string') element.className = element.className + \" \" + className;else element.setAttribute('class', (element.className && element.className.baseVal || '') + \" \" + className);\n}","/**\n * Checks if a given element has a CSS class.\n * \n * @param element the element\n * @param className the CSS class name\n */\nexport default function hasClass(element, className) {\n if (element.classList) return !!className && element.classList.contains(className);\n return (\" \" + (element.className.baseVal || element.className) + \" \").indexOf(\" \" + className + \" \") !== -1;\n}","import { Children, cloneElement, isValidElement } from 'react';\n/**\n * Given `this.props.children`, return an object mapping key to child.\n *\n * @param {*} children `this.props.children`\n * @return {object} Mapping of key to child\n */\n\nexport function getChildMapping(children, mapFn) {\n var mapper = function mapper(child) {\n return mapFn && isValidElement(child) ? mapFn(child) : child;\n };\n\n var result = Object.create(null);\n if (children) Children.map(children, function (c) {\n return c;\n }).forEach(function (child) {\n // run the map function here instead so that the key is the computed one\n result[child.key] = mapper(child);\n });\n return result;\n}\n/**\n * When you're adding or removing children some may be added or removed in the\n * same render pass. We want to show *both* since we want to simultaneously\n * animate elements in and out. This function takes a previous set of keys\n * and a new set of keys and merges them with its best guess of the correct\n * ordering. In the future we may expose some of the utilities in\n * ReactMultiChild to make this easy, but for now React itself does not\n * directly have this concept of the union of prevChildren and nextChildren\n * so we implement it here.\n *\n * @param {object} prev prev children as returned from\n * `ReactTransitionChildMapping.getChildMapping()`.\n * @param {object} next next children as returned from\n * `ReactTransitionChildMapping.getChildMapping()`.\n * @return {object} a key set that contains all keys in `prev` and all keys\n * in `next` in a reasonable order.\n */\n\nexport function mergeChildMappings(prev, next) {\n prev = prev || {};\n next = next || {};\n\n function getValueForKey(key) {\n return key in next ? next[key] : prev[key];\n } // For each key of `next`, the list of keys to insert before that key in\n // the combined list\n\n\n var nextKeysPending = Object.create(null);\n var pendingKeys = [];\n\n for (var prevKey in prev) {\n if (prevKey in next) {\n if (pendingKeys.length) {\n nextKeysPending[prevKey] = pendingKeys;\n pendingKeys = [];\n }\n } else {\n pendingKeys.push(prevKey);\n }\n }\n\n var i;\n var childMapping = {};\n\n for (var nextKey in next) {\n if (nextKeysPending[nextKey]) {\n for (i = 0; i < nextKeysPending[nextKey].length; i++) {\n var pendingNextKey = nextKeysPending[nextKey][i];\n childMapping[nextKeysPending[nextKey][i]] = getValueForKey(pendingNextKey);\n }\n }\n\n childMapping[nextKey] = getValueForKey(nextKey);\n } // Finally, add the keys which didn't appear before any key in `next`\n\n\n for (i = 0; i < pendingKeys.length; i++) {\n childMapping[pendingKeys[i]] = getValueForKey(pendingKeys[i]);\n }\n\n return childMapping;\n}\n\nfunction getProp(child, prop, props) {\n return props[prop] != null ? props[prop] : child.props[prop];\n}\n\nexport function getInitialChildMapping(props, onExited) {\n return getChildMapping(props.children, function (child) {\n return cloneElement(child, {\n onExited: onExited.bind(null, child),\n in: true,\n appear: getProp(child, 'appear', props),\n enter: getProp(child, 'enter', props),\n exit: getProp(child, 'exit', props)\n });\n });\n}\nexport function getNextChildMapping(nextProps, prevChildMapping, onExited) {\n var nextChildMapping = getChildMapping(nextProps.children);\n var children = mergeChildMappings(prevChildMapping, nextChildMapping);\n Object.keys(children).forEach(function (key) {\n var child = children[key];\n if (!isValidElement(child)) return;\n var hasPrev = (key in prevChildMapping);\n var hasNext = (key in nextChildMapping);\n var prevChild = prevChildMapping[key];\n var isLeaving = isValidElement(prevChild) && !prevChild.props.in; // item is new (entering)\n\n if (hasNext && (!hasPrev || isLeaving)) {\n // console.log('entering', key)\n children[key] = cloneElement(child, {\n onExited: onExited.bind(null, child),\n in: true,\n exit: getProp(child, 'exit', nextProps),\n enter: getProp(child, 'enter', nextProps)\n });\n } else if (!hasNext && hasPrev && !isLeaving) {\n // item is old (exiting)\n // console.log('leaving', key)\n children[key] = cloneElement(child, {\n in: false\n });\n } else if (hasNext && hasPrev && isValidElement(prevChild)) {\n // item hasn't changed transition states\n // copy over the last transition props;\n // console.log('unchanged', key)\n children[key] = cloneElement(child, {\n onExited: onExited.bind(null, child),\n in: prevChild.props.in,\n exit: getProp(child, 'exit', nextProps),\n enter: getProp(child, 'enter', nextProps)\n });\n }\n });\n return children;\n}","import _objectWithoutPropertiesLoose from \"@babel/runtime/helpers/esm/objectWithoutPropertiesLoose\";\nimport _extends from \"@babel/runtime/helpers/esm/extends\";\nimport _assertThisInitialized from \"@babel/runtime/helpers/esm/assertThisInitialized\";\nimport _inheritsLoose from \"@babel/runtime/helpers/esm/inheritsLoose\";\nimport PropTypes from 'prop-types';\nimport React from 'react';\nimport TransitionGroupContext from './TransitionGroupContext';\nimport { getChildMapping, getInitialChildMapping, getNextChildMapping } from './utils/ChildMapping';\n\nvar values = Object.values || function (obj) {\n return Object.keys(obj).map(function (k) {\n return obj[k];\n });\n};\n\nvar defaultProps = {\n component: 'div',\n childFactory: function childFactory(child) {\n return child;\n }\n};\n/**\n * The `` component manages a set of transition components\n * (`` and ``) in a list. Like with the transition\n * components, `` is a state machine for managing the mounting\n * and unmounting of components over time.\n *\n * Consider the example below. As items are removed or added to the TodoList the\n * `in` prop is toggled automatically by the ``.\n *\n * Note that `` does not define any animation behavior!\n * Exactly _how_ a list item animates is up to the individual transition\n * component. This means you can mix and match animations across different list\n * items.\n */\n\nvar TransitionGroup = /*#__PURE__*/function (_React$Component) {\n _inheritsLoose(TransitionGroup, _React$Component);\n\n function TransitionGroup(props, context) {\n var _this;\n\n _this = _React$Component.call(this, props, context) || this;\n\n var handleExited = _this.handleExited.bind(_assertThisInitialized(_this)); // Initial children should all be entering, dependent on appear\n\n\n _this.state = {\n contextValue: {\n isMounting: true\n },\n handleExited: handleExited,\n firstRender: true\n };\n return _this;\n }\n\n var _proto = TransitionGroup.prototype;\n\n _proto.componentDidMount = function componentDidMount() {\n this.mounted = true;\n this.setState({\n contextValue: {\n isMounting: false\n }\n });\n };\n\n _proto.componentWillUnmount = function componentWillUnmount() {\n this.mounted = false;\n };\n\n TransitionGroup.getDerivedStateFromProps = function getDerivedStateFromProps(nextProps, _ref) {\n var prevChildMapping = _ref.children,\n handleExited = _ref.handleExited,\n firstRender = _ref.firstRender;\n return {\n children: firstRender ? getInitialChildMapping(nextProps, handleExited) : getNextChildMapping(nextProps, prevChildMapping, handleExited),\n firstRender: false\n };\n } // node is `undefined` when user provided `nodeRef` prop\n ;\n\n _proto.handleExited = function handleExited(child, node) {\n var currentChildMapping = getChildMapping(this.props.children);\n if (child.key in currentChildMapping) return;\n\n if (child.props.onExited) {\n child.props.onExited(node);\n }\n\n if (this.mounted) {\n this.setState(function (state) {\n var children = _extends({}, state.children);\n\n delete children[child.key];\n return {\n children: children\n };\n });\n }\n };\n\n _proto.render = function render() {\n var _this$props = this.props,\n Component = _this$props.component,\n childFactory = _this$props.childFactory,\n props = _objectWithoutPropertiesLoose(_this$props, [\"component\", \"childFactory\"]);\n\n var contextValue = this.state.contextValue;\n var children = values(this.state.children).map(childFactory);\n delete props.appear;\n delete props.enter;\n delete props.exit;\n\n if (Component === null) {\n return /*#__PURE__*/React.createElement(TransitionGroupContext.Provider, {\n value: contextValue\n }, children);\n }\n\n return /*#__PURE__*/React.createElement(TransitionGroupContext.Provider, {\n value: contextValue\n }, /*#__PURE__*/React.createElement(Component, props, children));\n };\n\n return TransitionGroup;\n}(React.Component);\n\nTransitionGroup.propTypes = process.env.NODE_ENV !== \"production\" ? {\n /**\n * `` renders a `
` by default. You can change this\n * behavior by providing a `component` prop.\n * If you use React v16+ and would like to avoid a wrapping `
` element\n * you can pass in `component={null}`. This is useful if the wrapping div\n * borks your css styles.\n */\n component: PropTypes.any,\n\n /**\n * A set of `` components, that are toggled `in` and out as they\n * leave. the `` will inject specific transition props, so\n * remember to spread them through if you are wrapping the `` as\n * with our `` example.\n *\n * While this component is meant for multiple `Transition` or `CSSTransition`\n * children, sometimes you may want to have a single transition child with\n * content that you want to be transitioned out and in when you change it\n * (e.g. routes, images etc.) In that case you can change the `key` prop of\n * the transition child as you change its content, this will cause\n * `TransitionGroup` to transition the child out and back in.\n */\n children: PropTypes.node,\n\n /**\n * A convenience prop that enables or disables appear animations\n * for all children. Note that specifying this will override any defaults set\n * on individual children Transitions.\n */\n appear: PropTypes.bool,\n\n /**\n * A convenience prop that enables or disables enter animations\n * for all children. Note that specifying this will override any defaults set\n * on individual children Transitions.\n */\n enter: PropTypes.bool,\n\n /**\n * A convenience prop that enables or disables exit animations\n * for all children. Note that specifying this will override any defaults set\n * on individual children Transitions.\n */\n exit: PropTypes.bool,\n\n /**\n * You may need to apply reactive updates to a child as it is exiting.\n * This is generally done by using `cloneElement` however in the case of an exiting\n * child the element has already been removed and not accessible to the consumer.\n *\n * If you do need to update a child as it leaves you can provide a `childFactory`\n * to wrap every child, even the ones that are leaving.\n *\n * @type Function(child: ReactElement) -> ReactElement\n */\n childFactory: PropTypes.func\n} : {};\nTransitionGroup.defaultProps = defaultProps;\nexport default TransitionGroup;","import _objectWithoutPropertiesLoose from \"@babel/runtime/helpers/esm/objectWithoutPropertiesLoose\";\nimport _inheritsLoose from \"@babel/runtime/helpers/esm/inheritsLoose\";\nimport PropTypes from 'prop-types';\nimport React from 'react';\nimport ReactDOM from 'react-dom';\nimport TransitionGroup from './TransitionGroup';\n/**\n * The `` component is a specialized `Transition` component\n * that animates between two children.\n *\n * ```jsx\n * \n *