content: import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
  import _inheritsLoose from "@babel/runtime/helpers/esm/inheritsLoose";
  import PropTypes from 'prop-types';
  import React from 'react';
  import ReactDOM from 'react-dom';
  import TransitionGroup from './TransitionGroup';
  /**
   * The `<ReplaceTransition>` component is a specialized `Transition` component
   * that animates between two children.
   *
   * ```jsx
   * <ReplaceTransition in>
   *   <Fade><div>I appear first</div></Fade>
   *   <Fade><div>I replace the above</div></Fade>
   * </ReplaceTransition>
   * ```
   */
  
  var ReplaceTransition = /*#__PURE__*/function (_React$Component) {
    _inheritsLoose(ReplaceTransition, _React$Component);
  
    function ReplaceTransition() {
      var _this;
  
      for (var _len = arguments.length, _args = new Array(_len), _key = 0; _key < _len; _key++) {
        _args[_key] = arguments[_key];
      }
  
      _this = _React$Component.call.apply(_React$Component, [this].concat(_args)) || this;
  
      _this.handleEnter = function () {
        for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
          args[_key2] = arguments[_key2];
        }
  
        return _this.handleLifecycle('onEnter', 0, args);
      };
  
      _this.handleEntering = function () {
        for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
          args[_key3] = arguments[_key3];
        }
  
        return _this.handleLifecycle('onEntering', 0, args);
      };
  
      _this.handleEntered = function () {
        for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
          args[_key4] = arguments[_key4];
        }
  
        return _this.handleLifecycle('onEntered', 0, args);
      };
  
      _this.handleExit = function () {
        for (var _len5 = arguments.length, args = new Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {
          args[_key5] = arguments[_key5];
        }
  
        return _this.handleLifecycle('onExit', 1, args);
      };
  
      _this.handleExiting = function () {
        for (var _len6 = arguments.length, args = new Array(_len6), _key6 = 0; _key6 < _len6; _key6++) {
          args[_key6] = arguments[_key6];
        }
  
        return _this.handleLifecycle('onExiting', 1, args);
      };
  
      _this.handleExited = function () {
        for (var _len7 = arguments.length, args = new Array(_len7), _key7 = 0; _key7 < _len7; _key7++) {
          args[_key7] = arguments[_key7];
        }
  
        return _this.handleLifecycle('onExited', 1, args);
      };
  
      return _this;
    }
  
    var _proto = ReplaceTransition.prototype;
  
    _proto.handleLifecycle = function handleLifecycle(handler, idx, originalArgs) {
      var _child$props;
  
      var children = this.props.children;
      var child = React.Children.toArray(children)[idx];
      if (child.props[handler]) (_child$props = child.props)[handler].apply(_child$props, originalArgs);
  
      if (this.props[handler]) {
        var maybeNode = child.props.nodeRef ? undefined : ReactDOM.findDOMNode(this);
        this.props[handler](maybeNode);
      }
    };
  
    _proto.render = function render() {
      var _this$props = this.props,
          children = _this$props.children,
          inProp = _this$props.in,
          props = _objectWithoutPropertiesLoose(_this$props, ["children", "in"]);
  
      var _React$Children$toArr = React.Children.toArray(children),
          first = _React$Children$toArr[0],
          second = _React$Children$toArr[1];
  
      delete props.onEnter;
      delete props.onEntering;
      delete props.onEntered;
      delete props.onExit;
      delete props.onExiting;
      delete props.onExited;
      return /*#__PURE__*/React.createElement(TransitionGroup, props, inProp ? React.cloneElement(first, {
        key: 'first',
        onEnter: this.handleEnter,
        onEntering: this.handleEntering,
        onEntered: this.handleEntered
      }) : React.cloneElement(second, {
        key: 'second',
        onEnter: this.handleExit,
        onEntering: this.handleExiting,
        onEntered: this.handleExited
      }));
    };
  
    return ReplaceTransition;
  }(React.Component);
  
  ReplaceTransition.propTypes = process.env.NODE_ENV !== "production" ? {
    in: PropTypes.bool.isRequired,
    children: function children(props, propName) {
      if (React.Children.count(props[propName]) !== 2) return new Error("\"" + propName + "\" must be exactly two transition components.");
      return null;
    }
  } : {};
  export default ReplaceTransition;