{"ast":null,"code":"\"use strict\";\n\nexports.__esModule = true;\nexports.default = void 0;\n\nvar _propTypes = _interopRequireDefault(require(\"prop-types\"));\n\nvar _react = _interopRequireDefault(require(\"react\"));\n\nvar _reactLifecyclesCompat = require(\"react-lifecycles-compat\");\n\nvar _ChildMapping = require(\"./utils/ChildMapping\");\n\nfunction _interopRequireDefault(obj) {\n  return obj && obj.__esModule ? obj : {\n    default: obj\n  };\n}\n\nfunction _objectWithoutPropertiesLoose(source, excluded) {\n  if (source == null) return {};\n  var target = {};\n  var sourceKeys = Object.keys(source);\n  var key, i;\n\n  for (i = 0; i < sourceKeys.length; i++) {\n    key = sourceKeys[i];\n    if (excluded.indexOf(key) >= 0) continue;\n    target[key] = source[key];\n  }\n\n  return target;\n}\n\nfunction _extends() {\n  _extends = Object.assign || function (target) {\n    for (var i = 1; i < arguments.length; i++) {\n      var source = arguments[i];\n\n      for (var key in source) {\n        if (Object.prototype.hasOwnProperty.call(source, key)) {\n          target[key] = source[key];\n        }\n      }\n    }\n\n    return target;\n  };\n\n  return _extends.apply(this, arguments);\n}\n\nfunction _inheritsLoose(subClass, superClass) {\n  subClass.prototype = Object.create(superClass.prototype);\n  subClass.prototype.constructor = subClass;\n  subClass.__proto__ = superClass;\n}\n\nfunction _assertThisInitialized(self) {\n  if (self === void 0) {\n    throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n  }\n\n  return self;\n}\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   * The `<TransitionGroup>` component manages a set of transition components\n   * (`<Transition>` and `<CSSTransition>`) in a list. Like with the transition\n   * components, `<TransitionGroup>` 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 `<TransitionGroup>`.\n   *\n   * Note that `<TransitionGroup>`  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\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$Component.call(this, props, context) || this;\n\n    var handleExited = _this.handleExited.bind(_assertThisInitialized(_assertThisInitialized(_this))); // Initial children should all be entering, dependent on appear\n\n\n    _this.state = {\n      handleExited: handleExited,\n      firstRender: true\n    };\n    return _this;\n  }\n\n  var _proto = TransitionGroup.prototype;\n\n  _proto.getChildContext = function getChildContext() {\n    return {\n      transitionGroup: {\n        isMounting: !this.appeared\n      }\n    };\n  };\n\n  _proto.componentDidMount = function componentDidMount() {\n    this.appeared = true;\n    this.mounted = true;\n  };\n\n  _proto.componentWillUnmount = function componentWillUnmount() {\n    this.mounted = false;\n  };\n\n  TransitionGroup.getDerivedStateFromProps = function getDerivedStateFromProps(nextProps, _ref) {\n    var prevChildMapping = _ref.children,\n        handleExited = _ref.handleExited,\n        firstRender = _ref.firstRender;\n    return {\n      children: firstRender ? (0, _ChildMapping.getInitialChildMapping)(nextProps, handleExited) : (0, _ChildMapping.getNextChildMapping)(nextProps, prevChildMapping, handleExited),\n      firstRender: false\n    };\n  };\n\n  _proto.handleExited = function handleExited(child, node) {\n    var currentChildMapping = (0, _ChildMapping.getChildMapping)(this.props.children);\n    if (child.key in currentChildMapping) return;\n\n    if (child.props.onExited) {\n      child.props.onExited(node);\n    }\n\n    if (this.mounted) {\n      this.setState(function (state) {\n        var children = _extends({}, state.children);\n\n        delete children[child.key];\n        return {\n          children: children\n        };\n      });\n    }\n  };\n\n  _proto.render = function render() {\n    var _this$props = this.props,\n        Component = _this$props.component,\n        childFactory = _this$props.childFactory,\n        props = _objectWithoutPropertiesLoose(_this$props, [\"component\", \"childFactory\"]);\n\n    var 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 children;\n    }\n\n    return _react.default.createElement(Component, props, children);\n  };\n\n  return TransitionGroup;\n}(_react.default.Component);\n\nTransitionGroup.childContextTypes = {\n  transitionGroup: _propTypes.default.object.isRequired\n};\nTransitionGroup.propTypes = process.env.NODE_ENV !== \"production\" ? {\n  /**\n   * `<TransitionGroup>` renders a `<div>` 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 `<div>` element\n   * you can pass in `component={null}`. This is useful if the wrapping div\n   * borks your css styles.\n   */\n  component: _propTypes.default.any,\n\n  /**\n   * A set of `<Transition>` components, that are toggled `in` and out as they\n   * leave. the `<TransitionGroup>` will inject specific transition props, so\n   * remember to spread them through if you are wrapping the `<Transition>` as\n   * with our `<Fade>` 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.default.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.default.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.default.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.default.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.default.func\n} : {};\nTransitionGroup.defaultProps = defaultProps;\n\nvar _default = (0, _reactLifecyclesCompat.polyfill)(TransitionGroup);\n\nexports.default = _default;\nmodule.exports = exports[\"default\"];","map":null,"metadata":{},"sourceType":"script"}