@alifd/theme-ice/dist/next.js

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/*!
 * @alifd/theme-ice@1.2.1 (https://fusion.design)
 * @alifd/next@1.19.19 (https://fusion.design)
 * Copyright 2018-present Alibaba Group,
 * Licensed under MIT (https://github.com/alibaba-fusion/next/blob/master/LICENSE)
 */
(function webpackUniversalModuleDefinition(root, factory) {
	if(typeof exports === 'object' && typeof module === 'object')
		module.exports = factory(require("react"), require("react-dom"), require("moment"));
	else if(typeof define === 'function' && define.amd)
		define(["react", "react-dom", "moment"], factory);
	else if(typeof exports === 'object')
		exports["Next"] = factory(require("react"), require("react-dom"), require("moment"));
	else
		root["Next"] = factory(root["React"], root["ReactDOM"], root["moment"]);
})(typeof self !== 'undefined' ? self : this, function(__WEBPACK_EXTERNAL_MODULE_0__, __WEBPACK_EXTERNAL_MODULE_8__, __WEBPACK_EXTERNAL_MODULE_11__) {
return /******/ (function(modules) { // webpackBootstrap
/******/ 	// The module cache
/******/ 	var installedModules = {};
/******/
/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {
/******/
/******/ 		// Check if module is in cache
/******/ 		if(installedModules[moduleId]) {
/******/ 			return installedModules[moduleId].exports;
/******/ 		}
/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = installedModules[moduleId] = {
/******/ 			i: moduleId,
/******/ 			l: false,
/******/ 			exports: {}
/******/ 		};
/******/
/******/ 		// Execute the module function
/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ 		// Flag the module as loaded
/******/ 		module.l = true;
/******/
/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}
/******/
/******/
/******/ 	// expose the modules object (__webpack_modules__)
/******/ 	__webpack_require__.m = modules;
/******/
/******/ 	// expose the module cache
/******/ 	__webpack_require__.c = installedModules;
/******/
/******/ 	// define getter function for harmony exports
/******/ 	__webpack_require__.d = function(exports, name, getter) {
/******/ 		if(!__webpack_require__.o(exports, name)) {
/******/ 			Object.defineProperty(exports, name, {
/******/ 				configurable: false,
/******/ 				enumerable: true,
/******/ 				get: getter
/******/ 			});
/******/ 		}
/******/ 	};
/******/
/******/ 	// getDefaultExport function for compatibility with non-harmony modules
/******/ 	__webpack_require__.n = function(module) {
/******/ 		var getter = module && module.__esModule ?
/******/ 			function getDefault() { return module['default']; } :
/******/ 			function getModuleExports() { return module; };
/******/ 		__webpack_require__.d(getter, 'a', getter);
/******/ 		return getter;
/******/ 	};
/******/
/******/ 	// Object.prototype.hasOwnProperty.call
/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
/******/
/******/ 	// __webpack_public_path__
/******/ 	__webpack_require__.p = "/dist/";
/******/
/******/ 	// Load entry module and return exports
/******/ 	return __webpack_require__(__webpack_require__.s = 66);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ (function(module, exports) {

module.exports = __WEBPACK_EXTERNAL_MODULE_0__;

/***/ }),
/* 1 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;

exports.default = function (instance, Constructor) {
  if (!(instance instanceof Constructor)) {
    throw new TypeError("Cannot call a class as a function");
  }
};

/***/ }),
/* 2 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;

var _typeof2 = __webpack_require__(10);

var _typeof3 = _interopRequireDefault(_typeof2);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

exports.default = function (self, call) {
  if (!self) {
    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
  }

  return call && ((typeof call === "undefined" ? "undefined" : (0, _typeof3.default)(call)) === "object" || typeof call === "function") ? call : self;
};

/***/ }),
/* 3 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;

var _setPrototypeOf = __webpack_require__(100);

var _setPrototypeOf2 = _interopRequireDefault(_setPrototypeOf);

var _create = __webpack_require__(104);

var _create2 = _interopRequireDefault(_create);

var _typeof2 = __webpack_require__(10);

var _typeof3 = _interopRequireDefault(_typeof2);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

exports.default = function (subClass, superClass) {
  if (typeof superClass !== "function" && superClass !== null) {
    throw new TypeError("Super expression must either be null or a function, not " + (typeof superClass === "undefined" ? "undefined" : (0, _typeof3.default)(superClass)));
  }

  subClass.prototype = (0, _create2.default)(superClass && superClass.prototype, {
    constructor: {
      value: subClass,
      enumerable: false,
      writable: true,
      configurable: true
    }
  });
  if (superClass) _setPrototypeOf2.default ? (0, _setPrototypeOf2.default)(subClass, superClass) : subClass.__proto__ = superClass;
};

/***/ }),
/* 4 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;

var _assign = __webpack_require__(70);

var _assign2 = _interopRequireDefault(_assign);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

exports.default = _assign2.default || function (target) {
  for (var i = 1; i < arguments.length; i++) {
    var source = arguments[i];

    for (var key in source) {
      if (Object.prototype.hasOwnProperty.call(source, key)) {
        target[key] = source[key];
      }
    }
  }

  return target;
};

/***/ }),
/* 5 */
/***/ (function(module, exports, __webpack_require__) {

/**
 * Copyright (c) 2013-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

if (false) {
  var ReactIs = require('react-is');

  // By explicitly using `prop-types` you are opting into new development behavior.
  // http://fb.me/prop-types-in-prod
  var throwOnDirectAccess = true;
  module.exports = require('./factoryWithTypeCheckers')(ReactIs.isElement, throwOnDirectAccess);
} else {
  // By explicitly using `prop-types` you are opting into new production behavior.
  // http://fb.me/prop-types-in-prod
  module.exports = __webpack_require__(107)();
}


/***/ }),
/* 6 */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*!
  Copyright (c) 2017 Jed Watson.
  Licensed under the MIT License (MIT), see
  http://jedwatson.github.io/classnames
*/
/* global define */

(function () {
	'use strict';

	var hasOwn = {}.hasOwnProperty;

	function classNames () {
		var classes = [];

		for (var i = 0; i < arguments.length; i++) {
			var arg = arguments[i];
			if (!arg) continue;

			var argType = typeof arg;

			if (argType === 'string' || argType === 'number') {
				classes.push(arg);
			} else if (Array.isArray(arg) && arg.length) {
				var inner = classNames.apply(null, arg);
				if (inner) {
					classes.push(inner);
				}
			} else if (argType === 'object') {
				for (var key in arg) {
					if (hasOwn.call(arg, key) && arg[key]) {
						classes.push(key);
					}
				}
			}
		}

		return classes.join(' ');
	}

	if (typeof module !== 'undefined' && module.exports) {
		classNames.default = classNames;
		module.exports = classNames;
	} else if (true) {
		// register as 'classnames', consistent with npm package name
		!(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = (function () {
			return classNames;
		}).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
	} else {
		window.classNames = classNames;
	}
}());


/***/ }),
/* 7 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;

exports.default = function (obj, keys) {
  var target = {};

  for (var i in obj) {
    if (keys.indexOf(i) >= 0) continue;
    if (!Object.prototype.hasOwnProperty.call(obj, i)) continue;
    target[i] = obj[i];
  }

  return target;
};

/***/ }),
/* 8 */
/***/ (function(module, exports) {

module.exports = __WEBPACK_EXTERNAL_MODULE_8__;

/***/ }),
/* 9 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
Object.defineProperty(__webpack_exports__, "__esModule", { value: true });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "polyfill", function() { return polyfill; });
/**
 * Copyright (c) 2013-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

function componentWillMount() {
  // Call this.constructor.gDSFP to support sub-classes.
  var state = this.constructor.getDerivedStateFromProps(this.props, this.state);
  if (state !== null && state !== undefined) {
    this.setState(state);
  }
}

function componentWillReceiveProps(nextProps) {
  // Call this.constructor.gDSFP to support sub-classes.
  // Use the setState() updater to ensure state isn't stale in certain edge cases.
  function updater(prevState) {
    var state = this.constructor.getDerivedStateFromProps(nextProps, prevState);
    return state !== null && state !== undefined ? state : null;
  }
  // Binding "this" is important for shallow renderer support.
  this.setState(updater.bind(this));
}

function componentWillUpdate(nextProps, nextState) {
  try {
    var prevProps = this.props;
    var prevState = this.state;
    this.props = nextProps;
    this.state = nextState;
    this.__reactInternalSnapshotFlag = true;
    this.__reactInternalSnapshot = this.getSnapshotBeforeUpdate(
      prevProps,
      prevState
    );
  } finally {
    this.props = prevProps;
    this.state = prevState;
  }
}

// React may warn about cWM/cWRP/cWU methods being deprecated.
// Add a flag to suppress these warnings for this special case.
componentWillMount.__suppressDeprecationWarning = true;
componentWillReceiveProps.__suppressDeprecationWarning = true;
componentWillUpdate.__suppressDeprecationWarning = true;

function polyfill(Component) {
  var prototype = Component.prototype;

  if (!prototype || !prototype.isReactComponent) {
    throw new Error('Can only polyfill class components');
  }

  if (
    typeof Component.getDerivedStateFromProps !== 'function' &&
    typeof prototype.getSnapshotBeforeUpdate !== 'function'
  ) {
    return Component;
  }

  // If new component APIs are defined, "unsafe" lifecycles won't be called.
  // Error if any of these lifecycles are present,
  // Because they would work differently between older and newer (16.3+) versions of React.
  var foundWillMountName = null;
  var foundWillReceivePropsName = null;
  var foundWillUpdateName = null;
  if (typeof prototype.componentWillMount === 'function') {
    foundWillMountName = 'componentWillMount';
  } else if (typeof prototype.UNSAFE_componentWillMount === 'function') {
    foundWillMountName = 'UNSAFE_componentWillMount';
  }
  if (typeof prototype.componentWillReceiveProps === 'function') {
    foundWillReceivePropsName = 'componentWillReceiveProps';
  } else if (typeof prototype.UNSAFE_componentWillReceiveProps === 'function') {
    foundWillReceivePropsName = 'UNSAFE_componentWillReceiveProps';
  }
  if (typeof prototype.componentWillUpdate === 'function') {
    foundWillUpdateName = 'componentWillUpdate';
  } else if (typeof prototype.UNSAFE_componentWillUpdate === 'function') {
    foundWillUpdateName = 'UNSAFE_componentWillUpdate';
  }
  if (
    foundWillMountName !== null ||
    foundWillReceivePropsName !== null ||
    foundWillUpdateName !== null
  ) {
    var componentName = Component.displayName || Component.name;
    var newApiName =
      typeof Component.getDerivedStateFromProps === 'function'
        ? 'getDerivedStateFromProps()'
        : 'getSnapshotBeforeUpdate()';

    throw Error(
      'Unsafe legacy lifecycles will not be called for components using new component APIs.\n\n' +
        componentName +
        ' uses ' +
        newApiName +
        ' but also contains the following legacy lifecycles:' +
        (foundWillMountName !== null ? '\n  ' + foundWillMountName : '') +
        (foundWillReceivePropsName !== null
          ? '\n  ' + foundWillReceivePropsName
          : '') +
        (foundWillUpdateName !== null ? '\n  ' + foundWillUpdateName : '') +
        '\n\nThe above lifecycles should be removed. Learn more about this warning here:\n' +
        'https://fb.me/react-async-component-lifecycle-hooks'
    );
  }

  // React <= 16.2 does not support static getDerivedStateFromProps.
  // As a workaround, use cWM and cWRP to invoke the new static lifecycle.
  // Newer versions of React will ignore these lifecycles if gDSFP exists.
  if (typeof Component.getDerivedStateFromProps === 'function') {
    prototype.componentWillMount = componentWillMount;
    prototype.componentWillReceiveProps = componentWillReceiveProps;
  }

  // React <= 16.2 does not support getSnapshotBeforeUpdate.
  // As a workaround, use cWU to invoke the new lifecycle.
  // Newer versions of React will ignore that lifecycle if gSBU exists.
  if (typeof prototype.getSnapshotBeforeUpdate === 'function') {
    if (typeof prototype.componentDidUpdate !== 'function') {
      throw new Error(
        'Cannot polyfill getSnapshotBeforeUpdate() for components that do not define componentDidUpdate() on the prototype'
      );
    }

    prototype.componentWillUpdate = componentWillUpdate;

    var componentDidUpdate = prototype.componentDidUpdate;

    prototype.componentDidUpdate = function componentDidUpdatePolyfill(
      prevProps,
      prevState,
      maybeSnapshot
    ) {
      // 16.3+ will not execute our will-update method;
      // It will pass a snapshot value to did-update though.
      // Older versions will require our polyfilled will-update value.
      // We need to handle both cases, but can't just check for the presence of "maybeSnapshot",
      // Because for <= 15.x versions this might be a "prevContext" object.
      // We also can't just check "__reactInternalSnapshot",
      // Because get-snapshot might return a falsy value.
      // So check for the explicit __reactInternalSnapshotFlag flag to determine behavior.
      var snapshot = this.__reactInternalSnapshotFlag
        ? this.__reactInternalSnapshot
        : maybeSnapshot;

      componentDidUpdate.call(this, prevProps, prevState, snapshot);
    };
  }

  return Component;
}




/***/ }),
/* 10 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;

var _iterator = __webpack_require__(78);

var _iterator2 = _interopRequireDefault(_iterator);

var _symbol = __webpack_require__(90);

var _symbol2 = _interopRequireDefault(_symbol);

var _typeof = typeof _symbol2.default === "function" && typeof _iterator2.default === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof _symbol2.default === "function" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? "symbol" : typeof obj; };

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

exports.default = typeof _symbol2.default === "function" && _typeof(_iterator2.default) === "symbol" ? function (obj) {
  return typeof obj === "undefined" ? "undefined" : _typeof(obj);
} : function (obj) {
  return obj && typeof _symbol2.default === "function" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? "symbol" : typeof obj === "undefined" ? "undefined" : _typeof(obj);
};

/***/ }),
/* 11 */
/***/ (function(module, exports) {

module.exports = __WEBPACK_EXTERNAL_MODULE_11__;

/***/ }),
/* 12 */
/***/ (function(module, exports) {

// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
var global = module.exports = typeof window != 'undefined' && window.Math == Math
  ? window : typeof self != 'undefined' && self.Math == Math ? self
  // eslint-disable-next-line no-new-func
  : Function('return this')();
if (typeof __g == 'number') __g = global; // eslint-disable-line no-undef


/***/ }),
/* 13 */
/***/ (function(module, exports) {

var core = module.exports = { version: '2.6.11' };
if (typeof __e == 'number') __e = core; // eslint-disable-line no-undef


/***/ }),
/* 14 */
/***/ (function(module, exports, __webpack_require__) {

// Thank's IE8 for his funny defineProperty
module.exports = !__webpack_require__(25)(function () {
  return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;
});


/***/ }),
/* 15 */
/***/ (function(module, exports) {

var hasOwnProperty = {}.hasOwnProperty;
module.exports = function (it, key) {
  return hasOwnProperty.call(it, key);
};


/***/ }),
/* 16 */
/***/ (function(module, exports) {

function _interopRequireDefault(obj) {
  return obj && obj.__esModule ? obj : {
    "default": obj
  };
}

module.exports = _interopRequireDefault;

/***/ }),
/* 17 */
/***/ (function(module, exports, __webpack_require__) {

var dP = __webpack_require__(18);
var createDesc = __webpack_require__(27);
module.exports = __webpack_require__(14) ? function (object, key, value) {
  return dP.f(object, key, createDesc(1, value));
} : function (object, key, value) {
  object[key] = value;
  return object;
};


/***/ }),
/* 18 */
/***/ (function(module, exports, __webpack_require__) {

var anObject = __webpack_require__(24);
var IE8_DOM_DEFINE = __webpack_require__(49);
var toPrimitive = __webpack_require__(32);
var dP = Object.defineProperty;

exports.f = __webpack_require__(14) ? Object.defineProperty : function defineProperty(O, P, Attributes) {
  anObject(O);
  P = toPrimitive(P, true);
  anObject(Attributes);
  if (IE8_DOM_DEFINE) try {
    return dP(O, P, Attributes);
  } catch (e) { /* empty */ }
  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');
  if ('value' in Attributes) O[P] = Attributes.value;
  return O;
};


/***/ }),
/* 19 */
/***/ (function(module, exports) {

module.exports = function (it) {
  return typeof it === 'object' ? it !== null : typeof it === 'function';
};


/***/ }),
/* 20 */
/***/ (function(module, exports, __webpack_require__) {

// to indexed object, toObject with fallback for non-array-like ES3 strings
var IObject = __webpack_require__(52);
var defined = __webpack_require__(33);
module.exports = function (it) {
  return IObject(defined(it));
};


/***/ }),
/* 21 */
/***/ (function(module, exports, __webpack_require__) {

var store = __webpack_require__(36)('wks');
var uid = __webpack_require__(30);
var Symbol = __webpack_require__(12).Symbol;
var USE_SYMBOL = typeof Symbol == 'function';

var $exports = module.exports = function (name) {
  return store[name] || (store[name] =
    USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name));
};

$exports.store = store;


/***/ }),
/* 22 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var _interopRequireDefault = __webpack_require__(16);

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.format = format;
exports.asyncMap = asyncMap;
exports.asyncMapPromise = asyncMapPromise;
exports.complementError = complementError;
exports.processErrorResults = processErrorResults;

var _regenerator = _interopRequireDefault(__webpack_require__(45));

var _asyncToGenerator2 = _interopRequireDefault(__webpack_require__(46));

var formatRegExp = /%[sdj%]/g;

function format() {
  for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
    args[_key] = arguments[_key];
  }

  var i = 1;
  var f = args[0];
  var len = args.length;

  if (typeof f === 'function') {
    return f(args.slice(1));
  }

  if (typeof f === 'string') {
    var str = String(f).replace(formatRegExp, function (x) {
      if (x === '%%') {
        return '%';
      }

      if (i >= len) {
        return x;
      }

      switch (x) {
        case '%s':
          return String(args[i++]);

        case '%d':
          return Number(args[i++]);

        case '%j':
          try {
            return JSON.stringify(args[i++]);
          } catch (_) {
            return '[Circular]';
          }

        default:
          return x;
      }
    });
    return str;
  }

  return f;
}

function asyncSerialArray(arr, func, callback) {
  var index = 0;
  var arrLength = arr.length;

  function next(errors) {
    if (errors && errors.length) {
      callback(errors);
      return;
    }

    var original = index;
    index = index + 1;

    if (original < arrLength) {
      func(arr[original], next);
    } else {
      return callback([]);
    }
  }

  next([]);
}
/**
 * 平铺规则
 * @param  {object} objArr [description]
 * @return {Array}        [description]
 */


function flattenObjArr(objArr) {
  var ret = [];
  Object.keys(objArr).forEach(function (k) {
    Object.keys(objArr[k]).forEach(function (r) {
      ret.push(objArr[k][r]);
    });
  });
  return ret;
}
/**
 * 异步调用
 * @param  {map}   objArr   校验规则对象列表
 * @param  {object}   option   配置项
 * @param  {Function} func     每个校验规则
 * @param  {Function} callback 全部完成后的执行
 */


function asyncMap(objArr, option, func, callback) {
  // 发现第一个错误即返回
  if (option.first) {
    var flattenArr = flattenObjArr(objArr);
    return asyncSerialArray(flattenArr, func, callback);
  }

  var objArrKeys = Object.keys(objArr);
  var objArrLength = objArrKeys.length;
  var total = 0;
  var results = [];

  var next = function next(errors) {
    results.push(errors);
    total++;

    if (total === objArrLength) {
      return callback(results);
    }
  };

  objArrKeys.forEach(function (key) {
    var arr = objArr[key];
    asyncSerialArray(arr, func, next);
  });
}

function resolveErrorPromiseInSeries(_x, _x2) {
  return _resolveErrorPromiseInSeries.apply(this, arguments);
}

function _resolveErrorPromiseInSeries() {
  _resolveErrorPromiseInSeries = (0, _asyncToGenerator2.default)(
  /*#__PURE__*/
  _regenerator.default.mark(function _callee2(arr, func) {
    return _regenerator.default.wrap(function _callee2$(_context2) {
      while (1) {
        switch (_context2.prev = _context2.next) {
          case 0:
            return _context2.abrupt("return", arr.reduce(
            /*#__PURE__*/
            function () {
              var _ref = (0, _asyncToGenerator2.default)(
              /*#__PURE__*/
              _regenerator.default.mark(function _callee(prevPromise, next) {
                var errors;
                return _regenerator.default.wrap(function _callee$(_context) {
                  while (1) {
                    switch (_context.prev = _context.next) {
                      case 0:
                        _context.prev = 0;
                        _context.next = 3;
                        return prevPromise;

                      case 3:
                        errors = _context.sent;
                        _context.next = 9;
                        break;

                      case 6:
                        _context.prev = 6;
                        _context.t0 = _context["catch"](0);
                        errors = _context.t0;

                      case 9:
                        if (!(errors && errors.length)) {
                          _context.next = 11;
                          break;
                        }

                        return _context.abrupt("return", errors);

                      case 11:
                        return _context.abrupt("return", func(next));

                      case 12:
                      case "end":
                        return _context.stop();
                    }
                  }
                }, _callee, null, [[0, 6]]);
              }));

              return function (_x6, _x7) {
                return _ref.apply(this, arguments);
              };
            }(), Promise.resolve()));

          case 1:
          case "end":
            return _context2.stop();
        }
      }
    }, _callee2);
  }));
  return _resolveErrorPromiseInSeries.apply(this, arguments);
}

function asyncMapPromise(_x3, _x4, _x5) {
  return _asyncMapPromise.apply(this, arguments);
}

function _asyncMapPromise() {
  _asyncMapPromise = (0, _asyncToGenerator2.default)(
  /*#__PURE__*/
  _regenerator.default.mark(function _callee3(objArr, option, func) {
    var flatObjArr, objArrValues;
    return _regenerator.default.wrap(function _callee3$(_context3) {
      while (1) {
        switch (_context3.prev = _context3.next) {
          case 0:
            if (!option.first) {
              _context3.next = 3;
              break;
            }

            flatObjArr = flattenObjArr(objArr);
            return _context3.abrupt("return", resolveErrorPromiseInSeries(flatObjArr, func));

          case 3:
            objArrValues = Object.values(objArr);
            return _context3.abrupt("return", Promise.all(objArrValues.map(function (val) {
              return resolveErrorPromiseInSeries(val, func);
            })));

          case 5:
          case "end":
            return _context3.stop();
        }
      }
    }, _callee3);
  }));
  return _asyncMapPromise.apply(this, arguments);
}

function complementError(rule) {
  return function (oe) {
    if (oe && oe.message) {
      oe.field = rule.field;
      return oe;
    }

    return {
      message: oe,
      field: rule.field
    };
  };
}
/**
 *
 * @param {Array} results errors from running validation
 * @returns {Object} { errors: Array, fields: Object }
 */


function processErrorResults() {
  var results = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
  var errors = [];
  var fields = {};

  function add(e) {
    if (Array.isArray(e)) {
      errors = errors.concat(e);
    } else {
      errors.push(e);
    }
  }

  for (var i = 0; i < results.length; i++) {
    add(results[i]);
  }

  if (!errors.length) {
    errors = null;
    fields = null;
  } else {
    for (var _i = 0; _i < errors.length; _i++) {
      var field = errors[_i].field;

      if (field) {
        fields[field] = fields[field] || [];
        fields[field].push(errors[_i]);
      }
    }
  }

  return {
    errors: errors,
    fields: fields
  };
}

/***/ }),
/* 23 */
/***/ (function(module, exports, __webpack_require__) {

var global = __webpack_require__(12);
var core = __webpack_require__(13);
var ctx = __webpack_require__(48);
var hide = __webpack_require__(17);
var has = __webpack_require__(15);
var PROTOTYPE = 'prototype';

var $export = function (type, name, source) {
  var IS_FORCED = type & $export.F;
  var IS_GLOBAL = type & $export.G;
  var IS_STATIC = type & $export.S;
  var IS_PROTO = type & $export.P;
  var IS_BIND = type & $export.B;
  var IS_WRAP = type & $export.W;
  var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});
  var expProto = exports[PROTOTYPE];
  var target = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE];
  var key, own, out;
  if (IS_GLOBAL) source = name;
  for (key in source) {
    // contains in native
    own = !IS_FORCED && target && target[key] !== undefined;
    if (own && has(exports, key)) continue;
    // export native or passed
    out = own ? target[key] : source[key];
    // prevent global pollution for namespaces
    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]
    // bind timers to global for call from export context
    : IS_BIND && own ? ctx(out, global)
    // wrap global constructors for prevent change them in library
    : IS_WRAP && target[key] == out ? (function (C) {
      var F = function (a, b, c) {
        if (this instanceof C) {
          switch (arguments.length) {
            case 0: return new C();
            case 1: return new C(a);
            case 2: return new C(a, b);
          } return new C(a, b, c);
        } return C.apply(this, arguments);
      };
      F[PROTOTYPE] = C[PROTOTYPE];
      return F;
    // make static versions for prototype methods
    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;
    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%
    if (IS_PROTO) {
      (exports.virtual || (exports.virtual = {}))[key] = out;
      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%
      if (type & $export.R && expProto && !expProto[key]) hide(expProto, key, out);
    }
  }
};
// type bitmap
$export.F = 1;   // forced
$export.G = 2;   // global
$export.S = 4;   // static
$export.P = 8;   // proto
$export.B = 16;  // bind
$export.W = 32;  // wrap
$export.U = 64;  // safe
$export.R = 128; // real proto method for `library`
module.exports = $export;


/***/ }),
/* 24 */
/***/ (function(module, exports, __webpack_require__) {

var isObject = __webpack_require__(19);
module.exports = function (it) {
  if (!isObject(it)) throw TypeError(it + ' is not an object!');
  return it;
};


/***/ }),
/* 25 */
/***/ (function(module, exports) {

module.exports = function (exec) {
  try {
    return !!exec();
  } catch (e) {
    return true;
  }
};


/***/ }),
/* 26 */
/***/ (function(module, exports, __webpack_require__) {

var _typeof = __webpack_require__(129);

function _getRequireWildcardCache() {
  if (typeof WeakMap !== "function") return null;
  var cache = new WeakMap();

  _getRequireWildcardCache = function _getRequireWildcardCache() {
    return cache;
  };

  return cache;
}

function _interopRequireWildcard(obj) {
  if (obj && obj.__esModule) {
    return obj;
  }

  if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") {
    return {
      "default": obj
    };
  }

  var cache = _getRequireWildcardCache();

  if (cache && cache.has(obj)) {
    return cache.get(obj);
  }

  var newObj = {};
  var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;

  for (var key in obj) {
    if (Object.prototype.hasOwnProperty.call(obj, key)) {
      var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;

      if (desc && (desc.get || desc.set)) {
        Object.defineProperty(newObj, key, desc);
      } else {
        newObj[key] = obj[key];
      }
    }
  }

  newObj["default"] = obj;

  if (cache) {
    cache.set(obj, newObj);
  }

  return newObj;
}

module.exports = _interopRequireWildcard;

/***/ }),
/* 27 */
/***/ (function(module, exports) {

module.exports = function (bitmap, value) {
  return {
    enumerable: !(bitmap & 1),
    configurable: !(bitmap & 2),
    writable: !(bitmap & 4),
    value: value
  };
};


/***/ }),
/* 28 */
/***/ (function(module, exports, __webpack_require__) {

// 19.1.2.14 / 15.2.3.14 Object.keys(O)
var $keys = __webpack_require__(51);
var enumBugKeys = __webpack_require__(37);

module.exports = Object.keys || function keys(O) {
  return $keys(O, enumBugKeys);
};


/***/ }),
/* 29 */
/***/ (function(module, exports) {

module.exports = true;


/***/ }),
/* 30 */
/***/ (function(module, exports) {

var id = 0;
var px = Math.random();
module.exports = function (key) {
  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
};


/***/ }),
/* 31 */
/***/ (function(module, exports) {

exports.f = {}.propertyIsEnumerable;


/***/ }),
/* 32 */
/***/ (function(module, exports, __webpack_require__) {

// 7.1.1 ToPrimitive(input [, PreferredType])
var isObject = __webpack_require__(19);
// instead of the ES6 spec version, we didn't implement @@toPrimitive case
// and the second argument - flag - preferred type is a string
module.exports = function (it, S) {
  if (!isObject(it)) return it;
  var fn, val;
  if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;
  if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;
  if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;
  throw TypeError("Can't convert object to primitive value");
};


/***/ }),
/* 33 */
/***/ (function(module, exports) {

// 7.2.1 RequireObjectCoercible(argument)
module.exports = function (it) {
  if (it == undefined) throw TypeError("Can't call method on  " + it);
  return it;
};


/***/ }),
/* 34 */
/***/ (function(module, exports) {

// 7.1.4 ToInteger
var ceil = Math.ceil;
var floor = Math.floor;
module.exports = function (it) {
  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
};


/***/ }),
/* 35 */
/***/ (function(module, exports, __webpack_require__) {

var shared = __webpack_require__(36)('keys');
var uid = __webpack_require__(30);
module.exports = function (key) {
  return shared[key] || (shared[key] = uid(key));
};


/***/ }),
/* 36 */
/***/ (function(module, exports, __webpack_require__) {

var core = __webpack_require__(13);
var global = __webpack_require__(12);
var SHARED = '__core-js_shared__';
var store = global[SHARED] || (global[SHARED] = {});

(module.exports = function (key, value) {
  return store[key] || (store[key] = value !== undefined ? value : {});
})('versions', []).push({
  version: core.version,
  mode: __webpack_require__(29) ? 'pure' : 'global',
  copyright: '© 2019 Denis Pushkarev (zloirock.ru)'
});


/***/ }),
/* 37 */
/***/ (function(module, exports) {

// IE 8- don't enum bug keys
module.exports = (
  'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'
).split(',');


/***/ }),
/* 38 */
/***/ (function(module, exports) {

exports.f = Object.getOwnPropertySymbols;


/***/ }),
/* 39 */
/***/ (function(module, exports, __webpack_require__) {

// 7.1.13 ToObject(argument)
var defined = __webpack_require__(33);
module.exports = function (it) {
  return Object(defined(it));
};


/***/ }),
/* 40 */
/***/ (function(module, exports) {

module.exports = {};


/***/ }),
/* 41 */
/***/ (function(module, exports, __webpack_require__) {

// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
var anObject = __webpack_require__(24);
var dPs = __webpack_require__(83);
var enumBugKeys = __webpack_require__(37);
var IE_PROTO = __webpack_require__(35)('IE_PROTO');
var Empty = function () { /* empty */ };
var PROTOTYPE = 'prototype';

// Create object with fake `null` prototype: use iframe Object with cleared prototype
var createDict = function () {
  // Thrash, waste and sodomy: IE GC bug
  var iframe = __webpack_require__(50)('iframe');
  var i = enumBugKeys.length;
  var lt = '<';
  var gt = '>';
  var iframeDocument;
  iframe.style.display = 'none';
  __webpack_require__(84).appendChild(iframe);
  iframe.src = 'javascript:'; // eslint-disable-line no-script-url
  // createDict = iframe.contentWindow.Object;
  // html.removeChild(iframe);
  iframeDocument = iframe.contentWindow.document;
  iframeDocument.open();
  iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);
  iframeDocument.close();
  createDict = iframeDocument.F;
  while (i--) delete createDict[PROTOTYPE][enumBugKeys[i]];
  return createDict();
};

module.exports = Object.create || function create(O, Properties) {
  var result;
  if (O !== null) {
    Empty[PROTOTYPE] = anObject(O);
    result = new Empty();
    Empty[PROTOTYPE] = null;
    // add "__proto__" for Object.getPrototypeOf polyfill
    result[IE_PROTO] = O;
  } else result = createDict();
  return Properties === undefined ? result : dPs(result, Properties);
};


/***/ }),
/* 42 */
/***/ (function(module, exports, __webpack_require__) {

var def = __webpack_require__(18).f;
var has = __webpack_require__(15);
var TAG = __webpack_require__(21)('toStringTag');

module.exports = function (it, tag, stat) {
  if (it && !has(it = stat ? it : it.prototype, TAG)) def(it, TAG, { configurable: true, value: tag });
};


/***/ }),
/* 43 */
/***/ (function(module, exports, __webpack_require__) {

exports.f = __webpack_require__(21);


/***/ }),
/* 44 */
/***/ (function(module, exports, __webpack_require__) {

var global = __webpack_require__(12);
var core = __webpack_require__(13);
var LIBRARY = __webpack_require__(29);
var wksExt = __webpack_require__(43);
var defineProperty = __webpack_require__(18).f;
module.exports = function (name) {
  var $Symbol = core.Symbol || (core.Symbol = LIBRARY ? {} : global.Symbol || {});
  if (name.charAt(0) != '_' && !(name in $Symbol)) defineProperty($Symbol, name, { value: wksExt.f(name) });
};


/***/ }),
/* 45 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = __webpack_require__(117);


/***/ }),
/* 46 */
/***/ (function(module, exports) {

function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
  try {
    var info = gen[key](arg);
    var value = info.value;
  } catch (error) {
    reject(error);
    return;
  }

  if (info.done) {
    resolve(value);
  } else {
    Promise.resolve(value).then(_next, _throw);
  }
}

function _asyncToGenerator(fn) {
  return function () {
    var self = this,
        args = arguments;
    return new Promise(function (resolve, reject) {
      var gen = fn.apply(self, args);

      function _next(value) {
        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
      }

      function _throw(err) {
        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
      }

      _next(undefined);
    });
  };
}

module.exports = _asyncToGenerator;

/***/ }),
/* 47 */
/***/ (function(module, exports) {

function _defineProperty(obj, key, value) {
  if (key in obj) {
    Object.defineProperty(obj, key, {
      value: value,
      enumerable: true,
      configurable: true,
      writable: true
    });
  } else {
    obj[key] = value;
  }

  return obj;
}

module.exports = _defineProperty;

/***/ }),
/* 48 */
/***/ (function(module, exports, __webpack_require__) {

// optional / simple context binding
var aFunction = __webpack_require__(73);
module.exports = function (fn, that, length) {
  aFunction(fn);
  if (that === undefined) return fn;
  switch (length) {
    case 1: return function (a) {
      return fn.call(that, a);
    };
    case 2: return function (a, b) {
      return fn.call(that, a, b);
    };
    case 3: return function (a, b, c) {
      return fn.call(that, a, b, c);
    };
  }
  return function (/* ...args */) {
    return fn.apply(that, arguments);
  };
};


/***/ }),
/* 49 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = !__webpack_require__(14) && !__webpack_require__(25)(function () {
  return Object.defineProperty(__webpack_require__(50)('div'), 'a', { get: function () { return 7; } }).a != 7;
});


/***/ }),
/* 50 */
/***/ (function(module, exports, __webpack_require__) {

var isObject = __webpack_require__(19);
var document = __webpack_require__(12).document;
// typeof document.createElement is 'object' in old IE
var is = isObject(document) && isObject(document.createElement);
module.exports = function (it) {
  return is ? document.createElement(it) : {};
};


/***/ }),
/* 51 */
/***/ (function(module, exports, __webpack_require__) {

var has = __webpack_require__(15);
var toIObject = __webpack_require__(20);
var arrayIndexOf = __webpack_require__(75)(false);
var IE_PROTO = __webpack_require__(35)('IE_PROTO');

module.exports = function (object, names) {
  var O = toIObject(object);
  var i = 0;
  var result = [];
  var key;
  for (key in O) if (key != IE_PROTO) has(O, key) && result.push(key);
  // Don't enum bug & hidden keys
  while (names.length > i) if (has(O, key = names[i++])) {
    ~arrayIndexOf(result, key) || result.push(key);
  }
  return result;
};


/***/ }),
/* 52 */
/***/ (function(module, exports, __webpack_require__) {

// fallback for non-array-like ES3 and non-enumerable old V8 strings
var cof = __webpack_require__(53);
// eslint-disable-next-line no-prototype-builtins
module.exports = Object('z').propertyIsEnumerable(0) ? Object : function (it) {
  return cof(it) == 'String' ? it.split('') : Object(it);
};


/***/ }),
/* 53 */
/***/ (function(module, exports) {

var toString = {}.toString;

module.exports = function (it) {
  return toString.call(it).slice(8, -1);
};


/***/ }),
/* 54 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var LIBRARY = __webpack_require__(29);
var $export = __webpack_require__(23);
var redefine = __webpack_require__(55);
var hide = __webpack_require__(17);
var Iterators = __webpack_require__(40);
var $iterCreate = __webpack_require__(82);
var setToStringTag = __webpack_require__(42);
var getPrototypeOf = __webpack_require__(85);
var ITERATOR = __webpack_require__(21)('iterator');
var BUGGY = !([].keys && 'next' in [].keys()); // Safari has buggy iterators w/o `next`
var FF_ITERATOR = '@@iterator';
var KEYS = 'keys';
var VALUES = 'values';

var returnThis = function () { return this; };

module.exports = function (Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED) {
  $iterCreate(Constructor, NAME, next);
  var getMethod = function (kind) {
    if (!BUGGY && kind in proto) return proto[kind];
    switch (kind) {
      case KEYS: return function keys() { return new Constructor(this, kind); };
      case VALUES: return function values() { return new Constructor(this, kind); };
    } return function entries() { return new Constructor(this, kind); };
  };
  var TAG = NAME + ' Iterator';
  var DEF_VALUES = DEFAULT == VALUES;
  var VALUES_BUG = false;
  var proto = Base.prototype;
  var $native = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT];
  var $default = $native || getMethod(DEFAULT);
  var $entries = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined;
  var $anyNative = NAME == 'Array' ? proto.entries || $native : $native;
  var methods, key, IteratorPrototype;
  // Fix native
  if ($anyNative) {
    IteratorPrototype = getPrototypeOf($anyNative.call(new Base()));
    if (IteratorPrototype !== Object.prototype && IteratorPrototype.next) {
      // Set @@toStringTag to native iterators
      setToStringTag(IteratorPrototype, TAG, true);
      // fix for some old engines
      if (!LIBRARY && typeof IteratorPrototype[ITERATOR] != 'function') hide(IteratorPrototype, ITERATOR, returnThis);
    }
  }
  // fix Array#{values, @@iterator}.name in V8 / FF
  if (DEF_VALUES && $native && $native.name !== VALUES) {
    VALUES_BUG = true;
    $default = function values() { return $native.call(this); };
  }
  // Define iterator
  if ((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])) {
    hide(proto, ITERATOR, $default);
  }
  // Plug for library
  Iterators[NAME] = $default;
  Iterators[TAG] = returnThis;
  if (DEFAULT) {
    methods = {
      values: DEF_VALUES ? $default : getMethod(VALUES),
      keys: IS_SET ? $default : getMethod(KEYS),
      entries: $entries
    };
    if (FORCED) for (key in methods) {
      if (!(key in proto)) redefine(proto, key, methods[key]);
    } else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods);
  }
  return methods;
};


/***/ }),
/* 55 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = __webpack_require__(17);


/***/ }),
/* 56 */
/***/ (function(module, exports, __webpack_require__) {

// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)
var $keys = __webpack_require__(51);
var hiddenKeys = __webpack_require__(37).concat('length', 'prototype');

exports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
  return $keys(O, hiddenKeys);
};


/***/ }),
/* 57 */
/***/ (function(module, exports, __webpack_require__) {

var pIE = __webpack_require__(31);
var createDesc = __webpack_require__(27);
var toIObject = __webpack_require__(20);
var toPrimitive = __webpack_require__(32);
var has = __webpack_require__(15);
var IE8_DOM_DEFINE = __webpack_require__(49);
var gOPD = Object.getOwnPropertyDescriptor;

exports.f = __webpack_require__(14) ? gOPD : function getOwnPropertyDescriptor(O, P) {
  O = toIObject(O);
  P = toPrimitive(P, true);
  if (IE8_DOM_DEFINE) try {
    return gOPD(O, P);
  } catch (e) { /* empty */ }
  if (has(O, P)) return createDesc(!pIE.f.call(O, P), O[P]);
};


/***/ }),
/* 58 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var _CSSTransition = _interopRequireDefault(__webpack_require__(110));

var _ReplaceTransition = _interopRequireDefault(__webpack_require__(114));

var _TransitionGroup = _interopRequireDefault(__webpack_require__(61));

var _Transition = _interopRequireDefault(__webpack_require__(59));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

module.exports = {
  Transition: _Transition.default,
  TransitionGroup: _TransitionGroup.default,
  ReplaceTransition: _ReplaceTransition.default,
  CSSTransition: _CSSTransition.default
};

/***/ }),
/* 59 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


exports.__esModule = true;
exports.default = exports.EXITING = exports.ENTERED = exports.ENTERING = exports.EXITED = exports.UNMOUNTED = void 0;

var PropTypes = _interopRequireWildcard(__webpack_require__(5));

var _react = _interopRequireDefault(__webpack_require__(0));

var _reactDom = _interopRequireDefault(__webpack_require__(8));

var _reactLifecyclesCompat = __webpack_require__(9);

var _PropTypes = __webpack_require__(60);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }

function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }

function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }

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

exports.EXITING =