{"ast":null,"code":"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 config from './config';\nimport { timeoutsShape } from './utils/PropTypes';\nimport TransitionGroupContext from './TransitionGroupContext';\nexport var UNMOUNTED = 'unmounted';\nexport var EXITED = 'exited';\nexport var ENTERING = 'entering';\nexport var ENTERED = 'entered';\nexport var EXITING = 'exiting';\n/**\n * The Transition component lets you describe a transition from one component\n * state to another _over time_ with a simple declarative API. Most commonly\n * it's used to animate the mounting and unmounting of a component, but can also\n * be used to describe in-place transition states as well.\n *\n * ---\n *\n * **Note**: `Transition` is a platform-agnostic base component. If you're using\n * transitions in CSS, you'll probably want to use\n * [`CSSTransition`](https://reactcommunity.org/react-transition-group/css-transition)\n * instead. It inherits all the features of `Transition`, but contains\n * additional features necessary to play nice with CSS transitions (hence the\n * name of the component).\n *\n * ---\n *\n * By default the `Transition` component does not alter the behavior of the\n * component it renders, it only tracks \"enter\" and \"exit\" states for the\n * components. It's up to you to give meaning and effect to those states. For\n * example we can add styles to a component when it enters or exits:\n *\n * ```jsx\n * import { Transition } from 'react-transition-group';\n *\n * const duration = 300;\n *\n * const defaultStyle = {\n * transition: `opacity ${duration}ms ease-in-out`,\n * opacity: 0,\n * }\n *\n * const transitionStyles = {\n * entering: { opacity: 1 },\n * entered: { opacity: 1 },\n * exiting: { opacity: 0 },\n * exited: { opacity: 0 },\n * };\n *\n * const Fade = ({ in: inProp }) => (\n * \n * {state => (\n *
\n * I'm a fade Transition!\n *
\n * )}\n * \n * );\n * ```\n *\n * There are 4 main states a Transition can be in:\n * - `'entering'`\n * - `'entered'`\n * - `'exiting'`\n * - `'exited'`\n *\n * Transition state is toggled via the `in` prop. When `true` the component\n * begins the \"Enter\" stage. During this stage, the component will shift from\n * its current transition state, to `'entering'` for the duration of the\n * transition and then to the `'entered'` stage once it's complete. Let's take\n * the following example (we'll use the\n * [useState](https://reactjs.org/docs/hooks-reference.html#usestate) hook):\n *\n * ```jsx\n * function App() {\n * const [inProp, setInProp] = useState(false);\n * return (\n *
\n * );\n * }\n * ```\n *\n * When the button is clicked the component will shift to the `'entering'` state\n * and stay there for 500ms (the value of `timeout`) before it finally switches\n * to `'entered'`.\n *\n * When `in` is `false` the same thing happens except the state moves from\n * `'exiting'` to `'exited'`.\n */\n\nvar Transition = /*#__PURE__*/function (_React$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 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 : PropTypes.instanceOf(Element)\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 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_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 config from './config';\nimport { timeoutsShape } from './utils/PropTypes';\nimport TransitionGroupContext from './TransitionGroupContext';\nexport var UNMOUNTED = 'unmounted';\nexport var EXITED = 'exited';\nexport var ENTERING = 'entering';\nexport var ENTERED = 'entered';\nexport var EXITING = 'exiting';\n/**\n * The Transition component lets you describe a transition from one component\n * state to another _over time_ with a simple declarative API. Most commonly\n * it's used to animate the mounting and unmounting of a component, but can also\n * be used to describe in-place transition states as well.\n *\n * ---\n *\n * **Note**: `Transition` is a platform-agnostic base component. If you're using\n * transitions in CSS, you'll probably want to use\n * [`CSSTransition`](https://reactcommunity.org/react-transition-group/css-transition)\n * instead. It inherits all the features of `Transition`, but contains\n * additional features necessary to play nice with CSS transitions (hence the\n * name of the component).\n *\n * ---\n *\n * By default the `Transition` component does not alter the behavior of the\n * component it renders, it only tracks \"enter\" and \"exit\" states for the\n * components. It's up to you to give meaning and effect to those states. For\n * example we can add styles to a component when it enters or exits:\n *\n * ```jsx\n * import { Transition } from 'react-transition-group';\n *\n * const duration = 300;\n *\n * const defaultStyle = {\n * transition: `opacity ${duration}ms ease-in-out`,\n * opacity: 0,\n * }\n *\n * const transitionStyles = {\n * entering: { opacity: 1 },\n * entered: { opacity: 1 },\n * exiting: { opacity: 0 },\n * exited: { opacity: 0 },\n * };\n *\n * const Fade = ({ in: inProp }) => (\n * \n * {state => (\n *
\n * I'm a fade Transition!\n *
\n * )}\n * \n * );\n * ```\n *\n * There are 4 main states a Transition can be in:\n * - `'entering'`\n * - `'entered'`\n * - `'exiting'`\n * - `'exited'`\n *\n * Transition state is toggled via the `in` prop. When `true` the component\n * begins the \"Enter\" stage. During this stage, the component will shift from\n * its current transition state, to `'entering'` for the duration of the\n * transition and then to the `'entered'` stage once it's complete. Let's take\n * the following example (we'll use the\n * [useState](https://reactjs.org/docs/hooks-reference.html#usestate) hook):\n *\n * ```jsx\n * function App() {\n * const [inProp, setInProp] = useState(false);\n * return (\n *
\n * );\n * }\n * ```\n *\n * When the button is clicked the component will shift to the `'entering'` state\n * and stay there for 500ms (the value of `timeout`) before it finally switches\n * to `'entered'`.\n *\n * When `in` is `false` the same thing happens except the state moves from\n * `'exiting'` to `'exited'`.\n */\n\nvar Transition = /*#__PURE__*/function (_React$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 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 : PropTypes.instanceOf(Element)\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;"]},"metadata":{},"sourceType":"module"}