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default function _inheritsLoose(subClass, superClass) {\n  subClass.prototype = Object.create(superClass.prototype);\n  subClass.prototype.constructor = subClass;\n  subClass.__proto__ = superClass;\n}","import hasClass from './hasClass';\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}","export 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}","function replaceClassName(origClass, classToRemove) {\n  return origClass.replace(new RegExp(\"(^|\\\\s)\" + classToRemove + \"(?:\\\\s|$)\", 'g'), '$1').replace(/\\s+/g, ' ').replace(/^\\s*|\\s*$/g, '');\n}\n\nexport default function removeClass(element, className) {\n  if (element.classList) {\n    element.classList.remove(className);\n  } else if (typeof element.className === 'string') {\n    ;\n    element.className = replaceClassName(element.className, className);\n  } else {\n    element.setAttribute('class', replaceClassName(element.className && element.className.baseVal || '', className));\n  }\n}","export default {\n  disabled: false\n};","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 ${duration}ms ease-in-out`,\n *   opacity: 0,\n * }\n *\n * const transitionStyles = {\n *   entering: { opacity: 1 },\n *   entered:  { opacity: 1 },\n *   exiting:  { opacity: 0 },\n *   exited:  { opacity: 0 },\n * };\n *\n * const Fade = ({ in: inProp }) => (\n *   <Transition in={inProp} timeout={duration}>\n *     {state => (\n *       <div style={{\n *         ...defaultStyle,\n *         ...transitionStyles[state]\n *       }}>\n *         I'm a fade Transition!\n *       </div>\n *     )}\n *   </Transition>\n * );\n * ```\n *\n * There are 4 main states a Transition can be in:\n *  - `'entering'`\n *  - `'entered'`\n *  - `'exiting'`\n *  - `'exited'`\n *\n * Transition state is toggled via the `in` prop. When `true` the component\n * begins the \"Enter\" stage. During this stage, the component will shift from\n * its current transition state, to `'entering'` for the duration of the\n * transition and then to the `'entered'` stage once it's complete. Let's take\n * the following example (we'll use the\n * [useState](https://reactjs.org/docs/hooks-reference.html#usestate) hook):\n *\n * ```jsx\n * function App() {\n *   const [inProp, setInProp] = useState(false);\n *   return (\n *     <div>\n *       <Transition in={inProp} timeout={500}>\n *         {state => (\n *           // ...\n *         )}\n *       </Transition>\n *       <button onClick={() => setInProp(true)}>\n *         Click to Enter\n *       </button>\n *     </div>\n *   );\n * }\n * ```\n *\n * When the button is clicked the component will shift to the `'entering'` state\n * and stay there for 500ms (the value of `timeout`) before it finally switches\n * to `'entered'`.\n *\n * When `in` is `false` the same thing happens except the state moves from\n * `'exiting'` to `'exited'`.\n */\n\nvar Transition = /*#__PURE__*/function (_React$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   * <Transition in={this.state.in} timeout={150}>\n   *   {state => (\n   *     <MyComponent className={`fade fade-${state}`} />\n   *   )}\n   * </Transition>\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   * > `<CSSTransition>` 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 React from 'react';\nexport default React.createContext(null);"],"sourceRoot":""}