text: /** @license React v16.3.2
   * react.development.js
   *
   * 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.
   */
  
  'use strict';
  
  (function (global, factory) {
  	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
  	typeof define === 'function' && define.amd ? define(factory) :
  	(global.React = factory());
  }(this, (function () { 'use strict';
  
  /*
  object-assign
  (c) Sindre Sorhus
  @license MIT
  */
  
  
  /* eslint-disable no-unused-vars */
  var getOwnPropertySymbols = Object.getOwnPropertySymbols;
  var hasOwnProperty = Object.prototype.hasOwnProperty;
  var propIsEnumerable = Object.prototype.propertyIsEnumerable;
  
  function toObject(val) {
  	if (val === null || val === undefined) {
  		throw new TypeError('Object.assign cannot be called with null or undefined');
  	}
  
  	return Object(val);
  }
  
  function shouldUseNative() {
  	try {
  		if (!Object.assign) {
  			return false;
  		}
  
  		// Detect buggy property enumeration order in older V8 versions.
  
  		// https://bugs.chromium.org/p/v8/issues/detail?id=4118
  		var test1 = new String('abc');  // eslint-disable-line no-new-wrappers
  		test1[5] = 'de';
  		if (Object.getOwnPropertyNames(test1)[0] === '5') {
  			return false;
  		}
  
  		// https://bugs.chromium.org/p/v8/issues/detail?id=3056
  		var test2 = {};
  		for (var i = 0; i < 10; i++) {
  			test2['_' + String.fromCharCode(i)] = i;
  		}
  		var order2 = Object.getOwnPropertyNames(test2).map(function (n) {
  			return test2[n];
  		});
  		if (order2.join('') !== '0123456789') {
  			return false;
  		}
  
  		// https://bugs.chromium.org/p/v8/issues/detail?id=3056
  		var test3 = {};
  		'abcdefghijklmnopqrst'.split('').forEach(function (letter) {
  			test3[letter] = letter;
  		});
  		if (Object.keys(Object.assign({}, test3)).join('') !==
  				'abcdefghijklmnopqrst') {
  			return false;
  		}
  
  		return true;
  	} catch (err) {
  		// We don't expect any of the above to throw, but better to be safe.
  		return false;
  	}
  }
  
  var objectAssign = shouldUseNative() ? Object.assign : function (target, source) {
  	var from;
  	var to = toObject(target);
  	var symbols;
  
  	for (var s = 1; s < arguments.length; s++) {
  		from = Object(arguments[s]);
  
  		for (var key in from) {
  			if (hasOwnProperty.call(from, key)) {
  				to[key] = from[key];
  			}
  		}
  
  		if (getOwnPropertySymbols) {
  			symbols = getOwnPropertySymbols(from);
  			for (var i = 0; i < symbols.length; i++) {
  				if (propIsEnumerable.call(from, symbols[i])) {
  					to[symbols[i]] = from[symbols[i]];
  				}
  			}
  		}
  	}
  
  	return to;
  };
  
  // TODO: this is special because it gets imported during build.
  
  var ReactVersion = '16.3.2';
  
  // The Symbol used to tag the ReactElement-like types. If there is no native Symbol
  // nor polyfill, then a plain number is used for performance.
  var hasSymbol = typeof Symbol === 'function' && Symbol['for'];
  
  var REACT_ELEMENT_TYPE = hasSymbol ? Symbol['for']('react.element') : 0xeac7;
  var REACT_CALL_TYPE = hasSymbol ? Symbol['for']('react.call') : 0xeac8;
  var REACT_RETURN_TYPE = hasSymbol ? Symbol['for']('react.return') : 0xeac9;
  var REACT_PORTAL_TYPE = hasSymbol ? Symbol['for']('react.portal') : 0xeaca;
  var REACT_FRAGMENT_TYPE = hasSymbol ? Symbol['for']('react.fragment') : 0xeacb;
  var REACT_STRICT_MODE_TYPE = hasSymbol ? Symbol['for']('react.strict_mode') : 0xeacc;
  var REACT_PROVIDER_TYPE = hasSymbol ? Symbol['for']('react.provider') : 0xeacd;
  var REACT_CONTEXT_TYPE = hasSymbol ? Symbol['for']('react.context') : 0xeace;
  var REACT_ASYNC_MODE_TYPE = hasSymbol ? Symbol['for']('react.async_mode') : 0xeacf;
  var REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol['for']('react.forward_ref') : 0xead0;
  
  var MAYBE_ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
  var FAUX_ITERATOR_SYMBOL = '@@iterator';
  
  function getIteratorFn(maybeIterable) {
    if (maybeIterable === null || typeof maybeIterable === 'undefined') {
      return null;
    }
    var maybeIterator = MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL];
    if (typeof maybeIterator === 'function') {
      return maybeIterator;
    }
    return null;
  }
  
  /**
   * 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.
   *
   */
  
  
  
  /**
   * Use invariant() to assert state which your program assumes to be true.
   *
   * Provide sprintf-style format (only %s is supported) and arguments
   * to provide information about what broke and what you were
   * expecting.
   *
   * The invariant message will be stripped in production, but the invariant
   * will remain to ensure logic does not differ in production.
   */
  
  var validateFormat = function validateFormat(format) {};
  
  {
    validateFormat = function validateFormat(format) {
      if (format === undefined) {
        throw new Error('invariant requires an error message argument');
      }
    };
  }
  
  function invariant(condition, format, a, b, c, d, e, f) {
    validateFormat(format);
  
    if (!condition) {
      var error;
      if (format === undefined) {
        error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.');
      } else {
        var args = [a, b, c, d, e, f];
        var argIndex = 0;
        error = new Error(format.replace(/%s/g, function () {
          return args[argIndex++];
        }));
        error.name = 'Invariant Violation';
      }
  
      error.framesToPop = 1; // we don't care about invariant's own frame
      throw error;
    }
  }
  
  var invariant_1 = invariant;
  
  // Relying on the `invariant()` implementation lets us
  // have preserve the format and params in the www builds.
  
  /**
   * 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.
   *
   */
  
  
  
  var emptyObject = {};
  
  {
    Object.freeze(emptyObject);
  }
  
  var emptyObject_1 = emptyObject;
  
  /**
   * Forked from fbjs/warning:
   * https://github.com/facebook/fbjs/blob/e66ba20ad5be433eb54423f2b097d829324d9de6/packages/fbjs/src/__forks__/warning.js
   *
   * Only change is we use console.warn instead of console.error,
   * and do nothing when 'console' is not supported.
   * This really simplifies the code.
   * ---
   * Similar to invariant but only logs a warning if the condition is not met.
   * This can be used to log issues in development environments in critical
   * paths. Removing the logging code for production environments will keep the
   * same logic and follow the same code paths.
   */
  
  var lowPriorityWarning = function () {};
  
  {
    var printWarning = function (format) {
      for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
        args[_key - 1] = arguments[_key];
      }
  
      var argIndex = 0;
      var message = 'Warning: ' + format.replace(/%s/g, function () {
        return args[argIndex++];
      });
      if (typeof console !== 'undefined') {
        console.warn(message);
      }
      try {
        // --- Welcome to debugging React ---
        // This error was thrown as a convenience so that you can use this stack
        // to find the callsite that caused this warning to fire.
        throw new Error(message);
      } catch (x) {}
    };
  
    lowPriorityWarning = function (condition, format) {
      if (format === undefined) {
        throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument');
      }
      if (!condition) {
        for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
          args[_key2 - 2] = arguments[_key2];
        }
  
        printWarning.apply(undefined, [format].concat(args));
      }
    };
  }
  
  var lowPriorityWarning$1 = lowPriorityWarning;
  
  /**
   * 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 makeEmptyFunction(arg) {
    return function () {
      return arg;
    };
  }
  
  /**
   * This function accepts and discards inputs; it has no side effects. This is
   * primarily useful idiomatically for overridable function endpoints which
   * always need to be callable, since JS lacks a null-call idiom ala Cocoa.
   */
  var emptyFunction = function emptyFunction() {};
  
  emptyFunction.thatReturns = makeEmptyFunction;
  emptyFunction.thatReturnsFalse = makeEmptyFunction(false);
  emptyFunction.thatReturnsTrue = makeEmptyFunction(true);
  emptyFunction.thatReturnsNull = makeEmptyFunction(null);
  emptyFunction.thatReturnsThis = function () {
    return this;
  };
  emptyFunction.thatReturnsArgument = function (arg) {
    return arg;
  };
  
  var emptyFunction_1 = emptyFunction;
  
  /**
   * Copyright (c) 2014-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.
   *
   */
  
  
  
  
  
  /**
   * Similar to invariant but only logs a warning if the condition is not met.
   * This can be used to log issues in development environments in critical
   * paths. Removing the logging code for production environments will keep the
   * same logic and follow the same code paths.
   */
  
  var warning = emptyFunction_1;
  
  {
    var printWarning$1 = function printWarning(format) {
      for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
        args[_key - 1] = arguments[_key];
      }
  
      var argIndex = 0;
      var message = 'Warning: ' + format.replace(/%s/g, function () {
        return args[argIndex++];
      });
      if (typeof console !== 'undefined') {
        console.error(message);
      }
      try {
        // --- Welcome to debugging React ---
        // This error was thrown as a convenience so that you can use this stack
        // to find the callsite that caused this warning to fire.
        throw new Error(message);
      } catch (x) {}
    };
  
    warning = function warning(condition, format) {
      if (format === undefined) {
        throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument');
      }
  
      if (format.indexOf('Failed Composite propType: ') === 0) {
        return; // Ignore CompositeComponent proptype check.
      }
  
      if (!condition) {
        for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
          args[_key2 - 2] = arguments[_key2];
        }
  
        printWarning$1.apply(undefined, [format].concat(args));
      }
    };
  }
  
  var warning_1 = warning;
  
  var didWarnStateUpdateForUnmountedComponent = {};
  
  function warnNoop(publicInstance, callerName) {
    {
      var _constructor = publicInstance.constructor;
      var componentName = _constructor && (_constructor.displayName || _constructor.name) || 'ReactClass';
      var warningKey = componentName + '.' + callerName;
      if (didWarnStateUpdateForUnmountedComponent[warningKey]) {
        return;
      }
      warning_1(false, "Can't call %s on a component that is not yet mounted. " + 'This is a no-op, but it might indicate a bug in your application. ' + 'Instead, assign to `this.state` directly or define a `state = {};` ' + 'class property with the desired state in the %s component.', callerName, componentName);
      didWarnStateUpdateForUnmountedComponent[warningKey] = true;
    }
  }
  
  /**
   * This is the abstract API for an update queue.
   */
  var ReactNoopUpdateQueue = {
    /**
     * Checks whether or not this composite component is mounted.
     * @param {ReactClass} publicInstance The instance we want to test.
     * @return {boolean} True if mounted, false otherwise.
     * @protected
     * @final
     */
    isMounted: function (publicInstance) {
      return false;
    },
  
    /**
     * Forces an update. This should only be invoked when it is known with
     * certainty that we are **not** in a DOM transaction.
     *
     * You may want to call this when you know that some deeper aspect of the
     * component's state has changed but `setState` was not called.
     *
     * This will not invoke `shouldComponentUpdate`, but it will invoke
     * `componentWillUpdate` and `componentDidUpdate`.
     *
     * @param {ReactClass} publicInstance The instance that should rerender.
     * @param {?function} callback Called after component is updated.
     * @param {?string} callerName name of the calling function in the public API.
     * @internal
     */
    enqueueForceUpdate: function (publicInstance, callback, callerName) {
      warnNoop(publicInstance, 'forceUpdate');
    },
  
    /**
     * Replaces all of the state. Always use this or `setState` to mutate state.
     * You should treat `this.state` as immutable.
     *
     * There is no guarantee that `this.state` will be immediately updated, so
     * accessing `this.state` after calling this method may return the old value.
     *
     * @param {ReactClass} publicInstance The instance that should rerender.
     * @param {object} completeState Next state.
     * @param {?function} callback Called after component is updated.
     * @param {?string} callerName name of the calling function in the public API.
     * @internal
     */
    enqueueReplaceState: function (publicInstance, completeState, callback, callerName) {
      warnNoop(publicInstance, 'replaceState');
    },
  
    /**
     * Sets a subset of the state. This only exists because _pendingState is
     * internal. This provides a merging strategy that is not available to deep
     * properties which is confusing. TODO: Expose pendingState or don't use it
     * during the merge.
     *
     * @param {ReactClass} publicInstance The instance that should rerender.
     * @param {object} partialState Next partial state to be merged with state.
     * @param {?function} callback Called after component is updated.
     * @param {?string} Name of the calling function in the public API.
     * @internal
     */
    enqueueSetState: function (publicInstance, partialState, callback, callerName) {
      warnNoop(publicInstance, 'setState');
    }
  };
  
  /**
   * Base class helpers for the updating state of a component.
   */
  function Component(props, context, updater) {
    this.props = props;
    this.context = context;
    this.refs = emptyObject_1;
    // We initialize the default updater but the real one gets injected by the
    // renderer.
    this.updater = updater || ReactNoopUpdateQueue;
  }
  
  Component.prototype.isReactComponent = {};
  
  /**
   * Sets a subset of the state. Always use this to mutate
   * state. You should treat `this.state` as immutable.
   *
   * There is no guarantee that `this.state` will be immediately updated, so
   * accessing `this.state` after calling this method may return the old value.
   *
   * There is no guarantee that calls to `setState` will run synchronously,
   * as they may eventually be batched together.  You can provide an optional
   * callback that will be executed when the call to setState is actually
   * completed.
   *
   * When a function is provided to setState, it will be called at some point in
   * the future (not synchronously). It will be called with the up to date
   * component arguments (state, props, context). These values can be different
   * from this.* because your function may be called after receiveProps but before
   * shouldComponentUpdate, and this new state, props, and context will not yet be
   * assigned to this.
   *
   * @param {object|function} partialState Next partial state or function to
   *        produce next partial state to be merged with current state.
   * @param {?function} callback Called after state is updated.
   * @final
   * @protected
   */
  Component.prototype.setState = function (partialState, callback) {
    !(typeof partialState === 'object' || typeof partialState === 'function' || partialState == null) ? invariant_1(false, 'setState(...): takes an object of state variables to update or a function which returns an object of state variables.') : void 0;
    this.updater.enqueueSetState(this, partialState, callback, 'setState');
  };
  
  /**
   * Forces an update. This should only be invoked when it is known with
   * certainty that we are **not** in a DOM transaction.
   *
   * You may want to call this when you know that some deeper aspect of the
   * component's state has changed but `setState` was not called.
   *
   * This will not invoke `shouldComponentUpdate`, but it will invoke
   * `componentWillUpdate` and `componentDidUpdate`.
   *
   * @param {?function} callback Called after update is complete.
   * @final
   * @protected
   */
  Component.prototype.forceUpdate = function (callback) {
    this.updater.enqueueForceUpdate(this, callback, 'forceUpdate');
  };
  
  /**
   * Deprecated APIs. These APIs used to exist on classic React classes but since
   * we would like to deprecate them, we're not going to move them over to this
   * modern base class. Instead, we define a getter that warns if it's accessed.
   */
  {
    var deprecatedAPIs = {
      isMounted: ['isMounted', 'Instead, make sure to clean up subscriptions and pending requests in ' + 'componentWillUnmount to prevent memory leaks.'],
      replaceState: ['replaceState', 'Refactor your code to use setState instead (see ' + 'https://github.com/facebook/react/issues/3236).']
    };
    var defineDeprecationWarning = function (methodName, info) {
      Object.defineProperty(Component.prototype, methodName, {
        get: function () {
          lowPriorityWarning$1(false, '%s(...) is deprecated in plain JavaScript React classes. %s', info[0], info[1]);
          return undefined;
        }
      });
    };
    for (var fnName in deprecatedAPIs) {
      if (deprecatedAPIs.hasOwnProperty(fnName)) {
        defineDeprecationWarning(fnName, deprecatedAPIs[fnName]);
      }
    }
  }
  
  function ComponentDummy() {}
  ComponentDummy.prototype = Component.prototype;
  
  /**
   * Convenience component with default shallow equality check for sCU.
   */
  function PureComponent(props, context, updater) {
    this.props = props;
    this.context = context;
    this.refs = emptyObject_1;
    this.updater = updater || ReactNoopUpdateQueue;
  }
  
  var pureComponentPrototype = PureComponent.prototype = new ComponentDummy();
  pureComponentPrototype.constructor = PureComponent;
  // Avoid an extra prototype jump for these methods.
  objectAssign(pureComponentPrototype, Component.prototype);
  pureComponentPrototype.isPureReactComponent = true;
  
  // an immutable object with a single mutable value
  function createRef() {
    var refObject = {
      current: null
    };
    {
      Object.seal(refObject);
    }
    return refObject;
  }
  
  /**
   * Keeps track of the current owner.
   *
   * The current owner is the component who should own any components that are
   * currently being constructed.
   */
  var ReactCurrentOwner = {
    /**
     * @internal
     * @type {ReactComponent}
     */
    current: null
  };
  
  var hasOwnProperty$1 = Object.prototype.hasOwnProperty;
  
  var RESERVED_PROPS = {
    key: true,
    ref: true,
    __self: true,
    __source: true
  };
  
  var specialPropKeyWarningShown = void 0;
  var specialPropRefWarningShown = void 0;
  
  function hasValidRef(config) {
    {
      if (hasOwnProperty$1.call(config, 'ref')) {
        var getter = Object.getOwnPropertyDescriptor(config, 'ref').get;
        if (getter && getter.isReactWarning) {
          return false;
        }
      }
    }
    return config.ref !== undefined;
  }
  
  function hasValidKey(config) {
    {
      if (hasOwnProperty$1.call(config, 'key')) {
        var getter = Object.getOwnPropertyDescriptor(config, 'key').get;
        if (getter && getter.isReactWarning) {
          return false;
        }
      }
    }
    return config.key !== undefined;
  }
  
  function defineKeyPropWarningGetter(props, displayName) {
    var warnAboutAccessingKey = function () {
      if (!specialPropKeyWarningShown) {
        specialPropKeyWarningShown = true;
        warning_1(false, '%s: `key` is not a prop. Trying to access it will result ' + 'in `undefined` being returned. If you need to access the same ' + 'value within the child component, you should pass it as a different ' + 'prop. (https://fb.me/react-special-props)', displayName);
      }
    };
    warnAboutAccessingKey.isReactWarning = true;
    Object.defineProperty(props, 'key', {
      get: warnAboutAccessingKey,
      configurable: true
    });
  }
  
  function defineRefPropWarningGetter(props, displayName) {
    var warnAboutAccessingRef = function () {
      if (!specialPropRefWarningShown) {
        specialPropRefWarningShown = true;
        warning_1(false, '%s: `ref` is not a prop. Trying to access it will result ' + 'in `undefined` being returned. If you need to access the same ' + 'value within the child component, you should pass it as a different ' + 'prop. (https://fb.me/react-special-props)', displayName);
      }
    };
    warnAboutAccessingRef.isReactWarning = true;
    Object.defineProperty(props, 'ref', {
      get: warnAboutAccessingRef,
      configurable: true
    });
  }
  
  /**
   * Factory method to create a new React element. This no longer adheres to
   * the class pattern, so do not use new to call it. Also, no instanceof check
   * will work. Instead test $$typeof field against Symbol.for('react.element') to check
   * if something is a React Element.
   *
   * @param {*} type
   * @param {*} key
   * @param {string|object} ref
   * @param {*} self A *temporary* helper to detect places where `this` is
   * different from the `owner` when React.createElement is called, so that we
   * can warn. We want to get rid of owner and replace string `ref`s with arrow
   * functions, and as long as `this` and owner are the same, there will be no
   * change in behavior.
   * @param {*} source An annotation object (added by a transpiler or otherwise)
   * indicating filename, line number, and/or other information.
   * @param {*} owner
   * @param {*} props
   * @internal
   */
  var ReactElement = function (type, key, ref, self, source, owner, props) {
    var element = {
      // This tag allows us to uniquely identify this as a React Element
      $$typeof: REACT_ELEMENT_TYPE,
  
      // Built-in properties that belong on the element
      type: type,
      key: key,
      ref: ref,
      props: props,
  
      // Record the component responsible for creating this element.
      _owner: owner
    };
  
    {
      // The validation flag is currently mutative. We put it on
      // an external backing store so that we can freeze the whole object.
      // This can be replaced with a WeakMap once they are implemented in
      // commonly used development environments.
      element._store = {};
  
      // To make comparing ReactElements easier for testing purposes, we make
      // the validation flag non-enumerable (where possible, which should
      // include every environment we run tests in), so the test framework
      // ignores it.
      Object.defineProperty(element._store, 'validated', {
        configurable: false,
        enumerable: false,
        writable: true,
        value: false
      });
      // self and source are DEV only properties.
      Object.defineProperty(element, '_self', {
        configurable: false,
        enumerable: false,
        writable: false,
        value: self
      });
      // Two elements created in two different places should be considered
      // equal for testing purposes and therefore we hide it from enumeration.
      Object.defineProperty(element, '_source', {
        configurable: false,
        enumerable: false,
        writable: false,
        value: source
      });
      if (Object.freeze) {
        Object.freeze(element.props);
        Object.freeze(element);
      }
    }
  
    return element;
  };
  
  /**
   * Create and return a new ReactElement of the given type.
   * See https://reactjs.org/docs/react-api.html#createelement
   */
  function createElement(type, config, children) {
    var propName = void 0;
  
    // Reserved names are extracted
    var props = {};
  
    var key = null;
    var ref = null;
    var self = null;
    var source = null;
  
    if (config != null) {
      if (hasValidRef(config)) {
        ref = config.ref;
      }
      if (hasValidKey(config)) {
        key = '' + config.key;
      }
  
      self = config.__self === undefined ? null : config.__self;
      source = config.__source === undefined ? null : config.__source;
      // Remaining properties are added to a new props object
      for (propName in config) {
        if (hasOwnProperty$1.call(config, propName) && !RESERVED_PROPS.hasOwnProperty(propName)) {
          props[propName] = config[propName];
        }
      }
    }
  
    // Children can be more than one argument, and those are transferred onto
    // the newly allocated props object.
    var childrenLength = arguments.length - 2;
    if (childrenLength === 1) {
      props.children = children;
    } else if (childrenLength > 1) {
      var childArray = Array(childrenLength);
      for (var i = 0; i < childrenLength; i++) {
        childArray[i] = arguments[i + 2];
      }
      {
        if (Object.freeze) {
          Object.freeze(childArray);
        }
      }
      props.children = childArray;
    }
  
    // Resolve default props
    if (type && type.defaultProps) {
      var defaultProps = type.defaultProps;
      for (propName in defaultProps) {
        if (props[propName] === undefined) {
          props[propName] = defaultProps[propName];
        }
      }
    }
    {
      if (key || ref) {
        if (typeof props.$$typeof === 'undefined' || props.$$typeof !== REACT_ELEMENT_TYPE) {
          var displayName = typeof type === 'function' ? type.displayName || type.name || 'Unknown' : type;
          if (key) {
            defineKeyPropWarningGetter(props, displayName);
          }
          if (ref) {
            defineRefPropWarningGetter(props, displayName);
          }
        }
      }
    }
    return ReactElement(type, key, ref, self, source, ReactCurrentOwner.current, props);
  }
  
  /**
   * Return a function that produces ReactElements of a given type.
   * See https://reactjs.org/docs/react-api.html#createfactory
   */
  
  
  function cloneAndReplaceKey(oldElement, newKey) {
    var newElement = ReactElement(oldElement.type, newKey, oldElement.ref, oldElement._self, oldElement._source, oldElement._owner, oldElement.props);
  
    return newElement;
  }
  
  /**
   * Clone and return a new ReactElement using element as the starting point.
   * See https://reactjs.org/docs/react-api.html#cloneelement
   */
  function cloneElement(element, config, children) {
    !!(element === null || element === undefined) ? invariant_1(false, 'React.cloneElement(...): The argument must be a React element, but you passed %s.', element) : void 0;
  
    var propName = void 0;
  
    // Original props are copied
    var props = objectAssign({}, element.props);
  
    // Reserved names are extracted
    var key = element.key;
    var ref = element.ref;
    // Self is preserved since the owner is preserved.
    var self = element._self;
    // Source is preserved since cloneElement is unlikely to be targeted by a
    // transpiler, and the original source is probably a better indicator of the
    // true owner.
    var source = element._source;
  
    // Owner will be preserved, unless ref is overridden
    var owner = element._owner;
  
    if (config != null) {
      if (hasValidRef(config)) {
        // Silently steal the ref from the parent.
        ref = config.ref;
        owner = ReactCurrentOwner.current;
      }
      if (hasValidKey(config)) {
        key = '' + config.key;
      }
  
      // Remaining properties override existing props
      var defaultProps = void 0;
      if (element.type && element.type.defaultProps) {
        defaultProps = element.type.defaultProps;
      }
      for (propName in config) {
        if (hasOwnProperty$1.call(config, propName) && !RESERVED_PROPS.hasOwnProperty(propName)) {
          if (config[propName] === undefined && defaultProps !== undefined) {
            // Resolve default props
            props[propName] = defaultProps[propName];
          } else {
            props[propName] = config[propName];
          }
        }
      }
    }
  
    // Children can be more than one argument, and those are transferred onto
    // the newly allocated props object.
    var childrenLength = arguments.length - 2;
    if (childrenLength === 1) {
      props.children = children;
    } else if (childrenLength > 1) {
      var childArray = Array(childrenLength);
      for (var i = 0; i < childrenLength; i++) {
        childArray[i] = arguments[i + 2];
      }
      props.children = childArray;
    }
  
    return ReactElement(element.type, key, ref, self, source, owner, props);
  }
  
  /**
   * Verifies the object is a ReactElement.
   * See https://reactjs.org/docs/react-api.html#isvalidelement
   * @param {?object} object
   * @return {boolean} True if `object` is a valid component.
   * @final
   */
  function isValidElement(object) {
    return typeof object === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE;
  }
  
  var ReactDebugCurrentFrame = {};
  
  {
    // Component that is being worked on
    ReactDebugCurrentFrame.getCurrentStack = null;
  
    ReactDebugCurrentFrame.getStackAddendum = function () {
      var impl = ReactDebugCurrentFrame.getCurrentStack;
      if (impl) {
        return impl();
      }
      return null;
    };
  }
  
  var SEPARATOR = '.';
  var SUBSEPARATOR = ':';
  
  /**
   * Escape and wrap key so it is safe to use as a reactid
   *
   * @param {string} key to be escaped.
   * @return {string} the escaped key.
   */
  function escape(key) {
    var escapeRegex = /[=:]/g;
    var escaperLookup = {
      '=': '=0',
      ':': '=2'
    };
    var escapedString = ('' + key).replace(escapeRegex, function (match) {
      return escaperLookup[match];
    });
  
    return '$' + escapedString;
  }
  
  /**
   * TODO: Test that a single child and an array with one item have the same key
   * pattern.
   */
  
  var didWarnAboutMaps = false;
  
  var userProvidedKeyEscapeRegex = /\/+/g;
  function escapeUserProvidedKey(text) {
    return ('' + text).replace(userProvidedKeyEscapeRegex, '$&/');
  }
  
  var POOL_SIZE = 10;
  var traverseContextPool = [];
  function getPooledTraverseContext(mapResult, keyPrefix, mapFunction, mapContext) {
    if (traverseContextPool.length) {
      var traverseContext = traverseContextPool.pop();
      traverseContext.result = mapResult;
      traverseContext.keyPrefix = keyPrefix;
      traverseContext.func = mapFunction;
      traverseContext.context = mapContext;
      traverseContext.count = 0;
      return traverseContext;
    } else {
      return {
        result: mapResult,
        keyPrefix: keyPrefix,
        func: mapFunction,
        context: mapContext,
        count: 0
      };
    }
  }
  
  function releaseTraverseContext(traverseContext) {
    traverseContext.result = null;
    traverseContext.keyPrefix = null;
    traverseContext.func = null;
    traverseContext.context = null;
    traverseContext.count = 0;
    if (traverseContextPool.length < POOL_SIZE) {
      traverseContextPool.push(traverseContext);
    }
  }
  
  /**
   * @param {?*} children Children tree container.
   * @param {!string} nameSoFar Name of the key path so far.
   * @param {!function} callback Callback to invoke with each child found.
   * @param {?*} traverseContext Used to pass information throughout the traversal
   * process.
   * @return {!number} The number of children in this subtree.
   */
  function traverseAllChildrenImpl(children, nameSoFar, callback, traverseContext) {
    var type = typeof children;
  
    if (type === 'undefined' || type === 'boolean') {
      // All of the above are perceived as null.
      children = null;
    }
  
    var invokeCallback = false;
  
    if (children === null) {
      invokeCallback = true;
    } else {
      switch (type) {
        case 'string':
        case 'number':
          invokeCallback = true;
          break;
        case 'object':
          switch (children.$$typeof) {
            case REACT_ELEMENT_TYPE:
            case REACT_PORTAL_TYPE:
              invokeCallback = true;
          }
      }
    }
  
    if (invokeCallback) {
      callback(traverseContext, children,
      // If it's the only child, treat the name as if it was wrapped in an array
      // so that it's consistent if the number of children grows.
      nameSoFar === '' ? SEPARATOR + getComponentKey(children, 0) : nameSoFar);
      return 1;
    }
  
    var child = void 0;
    var nextName = void 0;
    var subtreeCount = 0; // Count of children found in the current subtree.
    var nextNamePrefix = nameSoFar === '' ? SEPARATOR : nameSoFar + SUBSEPARATOR;
  
    if (Array.isArray(children)) {
      for (var i = 0; i < children.length; i++) {
        child = children[i];
        nextName = nextNamePrefix + getComponentKey(child, i);
        subtreeCount += traverseAllChildrenImpl(child, nextName, callback, traverseContext);
      }
    } else {
      var iteratorFn = getIteratorFn(children);
      if (typeof iteratorFn === 'function') {
        {
          // Warn about using Maps as children
          if (iteratorFn === children.entries) {
            !didWarnAboutMaps ? warning_1(false, 'Using Maps as children is unsupported and will likely yield ' + 'unexpected results. Convert it to a sequence/iterable of keyed ' + 'ReactElements instead.%s', ReactDebugCurrentFrame.getStackAddendum()) : void 0;
            didWarnAboutMaps = true;
          }
        }
  
        var iterator = iteratorFn.call(children);
        var step = void 0;
        var ii = 0;
        while (!(step = iterator.next()).done) {
          child = step.value;
          nextName = nextNamePrefix + getComponentKey(child, ii++);
          subtreeCount += traverseAllChildrenImpl(child, nextName, callback, traverseContext);
        }
      } else if (type === 'object') {
        var addendum = '';
        {
          addendum = ' If you meant to render a collection of children, use an array ' + 'instead.' + ReactDebugCurrentFrame.getStackAddendum();
        }
        var childrenString = '' + children;
        invariant_1(false, 'Objects are not valid as a React child (found: %s).%s', childrenString === '[object Object]' ? 'object with keys {' + Object.keys(children).join(', ') + '}' : childrenString, addendum);
      }
    }
  
    return subtreeCount;
  }
  
  /**
   * Traverses children that are typically specified as `props.children`, but
   * might also be specified through attributes:
   *
   * - `traverseAllChildren(this.props.children, ...)`
   * - `traverseAllChildren(this.props.leftPanelChildren, ...)`
   *
   * The `traverseContext` is an optional argument that is passed through the
   * entire traversal. It can be used to store accumulations or anything else that
   * the callback might find relevant.
   *
   * @param {?*} children Children tree object.
   * @param {!function} callback To invoke upon traversing each child.
   * @param {?*} traverseContext Context for traversal.
   * @return {!number} The number of children in this subtree.
   */
  function traverseAllChildren(children, callback, traverseContext) {
    if (children == null) {
      return 0;
    }
  
    return traverseAllChildrenImpl(children, '', callback, traverseContext);
  }
  
  /**
   * Generate a key string that identifies a component within a set.
   *
   * @param {*} component A component that could contain a manual key.
   * @param {number} index Index that is used if a manual key is not provided.
   * @return {string}
   */
  function getComponentKey(component, index) {
    // Do some typechecking here since we call this blindly. We want to ensure
    // that we don't block potential future ES APIs.
    if (typeof component === 'object' && component !== null && component.key != null) {
      // Explicit key
      return escape(component.key);
    }
    // Implicit key determined by the index in the set
    return index.toString(36);
  }
  
  function forEachSingleChild(bookKeeping, child, name) {
    var func = bookKeeping.func,
        context = bookKeeping.context;
  
    func.call(context, child, bookKeeping.count++);
  }
  
  /**
   * Iterates through children that are typically specified as `props.children`.
   *
   * See https://reactjs.org/docs/react-api.html#react.children.foreach
   *
   * The provided forEachFunc(child, index) will be called for each
   * leaf child.
   *
   * @param {?*} children Children tree container.
   * @param {function(*, int)} forEachFunc
   * @param {*} forEachContext Context for forEachContext.
   */
  function forEachChildren(children, forEachFunc, forEachContext) {
    if (children == null) {
      return children;
    }
    var traverseContext = getPooledTraverseContext(null, null, forEachFunc, forEachContext);
    traverseAllChildren(children, forEachSingleChild, traverseContext);
    releaseTraverseContext(traverseContext);
  }
  
  function mapSingleChildIntoContext(bookKeeping, child, childKey) {
    var result = bookKeeping.result,
        keyPrefix = bookKeeping.keyPrefix,
        func = bookKeeping.func,
        context = bookKeeping.context;
  
  
    var mappedChild = func.call(context, child, bookKeeping.count++);
    if (Array.isArray(mappedChild)) {
      mapIntoWithKeyPrefixInternal(mappedChild, result, childKey, emptyFunction_1.thatReturnsArgument);
    } else if (mappedChild != null) {
      if (isValidElement(mappedChild)) {
        mappedChild = cloneAndReplaceKey(mappedChild,
        // Keep both the (mapped) and old keys if they differ, just as
        // traverseAllChildren used to do for objects as children
        keyPrefix + (mappedChild.key && (!child || child.key !== mappedChild.key) ? escapeUserProvidedKey(mappedChild.key) + '/' : '') + childKey);
      }
      result.push(mappedChild);
    }
  }
  
  function mapIntoWithKeyPrefixInternal(children, array, prefix, func, context) {
    var escapedPrefix = '';
    if (prefix != null) {
      escapedPrefix = escapeUserProvidedKey(prefix) + '/';
    }
    var traverseContext = getPooledTraverseContext(array, escapedPrefix, func, context);
    traverseAllChildren(children, mapSingleChildIntoContext, traverseContext);
    releaseTraverseContext(traverseContext);
  }
  
  /**
   * Maps children that are typically specified as `props.children`.
   *
   * See https://reactjs.org/docs/react-api.html#react.children.map
   *
   * The provided mapFunction(child, key, index) will be called for each
   * leaf child.
   *
   * @param {?*} children Children tree container.
   * @param {function(*, int)} func The map function.
   * @param {*} context Context for mapFunction.
   * @return {object} Object containing the ordered map of results.
   */
  function mapChildren(children, func, context) {
    if (children == null) {
      return children;
    }
    var result = [];
    mapIntoWithKeyPrefixInternal(children, result, null, func, context);
    return result;
  }
  
  /**
   * Count the number of children that are typically specified as
   * `props.children`.
   *
   * See https://reactjs.org/docs/react-api.html#react.children.count
   *
   * @param {?*} children Children tree container.
   * @return {number} The number of children.
   */
  function countChildren(children, context) {
    return traverseAllChildren(children, emptyFunction_1.thatReturnsNull, null);
  }
  
  /**
   * Flatten a children object (typically specified as `props.children`) and
   * return an array with appropriately re-keyed children.
   *
   * See https://reactjs.org/docs/react-api.html#react.children.toarray
   */
  function toArray(children) {
    var result = [];
    mapIntoWithKeyPrefixInternal(children, result, null, emptyFunction_1.thatReturnsArgument);
    return result;
  }
  
  /**
   * Returns the first child in a collection of children and verifies that there
   * is only one child in the collection.
   *
   * See https://reactjs.org/docs/react-api.html#react.children.only
   *
   * The current implementation of this function assumes that a single child gets
   * passed without a wrapper, but the purpose of this helper function is to
   * abstract away the particular structure of children.
   *
   * @param {?object} children Child collection structure.
   * @return {ReactElement} The first and only `ReactElement` contained in the
   * structure.
   */
  function onlyChild(children) {
    !isValidElement(children) ? invariant_1(false, 'React.Children.only expected to receive a single React element child.') : void 0;
    return children;
  }
  
  function createContext(defaultValue, calculateChangedBits) {
    if (calculateChangedBits === undefined) {
      calculateChangedBits = null;
    } else {
      {
        !(calculateChangedBits === null || typeof calculateChangedBits === 'function') ? warning_1(false, 'createContext: Expected the optional second argument to be a ' + 'function. Instead received: %s', calculateChangedBits) : void 0;
      }
    }
  
    var context = {
      $$typeof: REACT_CONTEXT_TYPE,
      _calculateChangedBits: calculateChangedBits,
      _defaultValue: defaultValue,
      _currentValue: defaultValue,
      _changedBits: 0,
      // These are circular
      Provider: null,
      Consumer: null
    };
  
    context.Provider = {
      $$typeof: REACT_PROVIDER_TYPE,
      _context: context
    };
    context.Consumer = context;
  
    {
      context._currentRenderer = null;
    }
  
    return context;
  }
  
  function forwardRef(render) {
    {
      !(typeof render === 'function') ? warning_1(false, 'forwardRef requires a render function but was given %s.', render === null ? 'null' : typeof render) : void 0;
    }
  
    return {
      $$typeof: REACT_FORWARD_REF_TYPE,
      render: render
    };
  }
  
  var describeComponentFrame = function (name, source, ownerName) {
    return '\n    in ' + (name || 'Unknown') + (source ? ' (at ' + source.fileName.replace(/^.*[\\\/]/, '') + ':' + source.lineNumber + ')' : ownerName ? ' (created by ' + ownerName + ')' : '');
  };
  
  function isValidElementType(type) {
    return typeof type === 'string' || typeof type === 'function' ||
    // Note: its typeof might be other than 'symbol' or 'number' if it's a polyfill.
    type === REACT_FRAGMENT_TYPE || type === REACT_ASYNC_MODE_TYPE || type === REACT_STRICT_MODE_TYPE || typeof type === 'object' && type !== null && (type.$$typeof === REACT_PROVIDER_TYPE || type.$$typeof === REACT_CONTEXT_TYPE || type.$$typeof === REACT_FORWARD_REF_TYPE);
  }
  
  function getComponentName(fiber) {
    var type = fiber.type;
  
    if (typeof type === 'function') {
      return type.displayName || type.name;
    }
    if (typeof type === 'string') {
      return type;
    }
    switch (type) {
      case REACT_FRAGMENT_TYPE:
        return 'ReactFragment';
      case REACT_PORTAL_TYPE:
        return 'ReactPortal';
      case REACT_CALL_TYPE:
        return 'ReactCall';
      case REACT_RETURN_TYPE:
        return 'ReactReturn';
    }
    if (typeof type === 'object' && type !== null) {
      switch (type.$$typeof) {
        case REACT_FORWARD_REF_TYPE:
          var functionName = type.render.displayName || type.render.name || '';
          return functionName !== '' ? 'ForwardRef(' + functionName + ')' : 'ForwardRef';
      }
    }
    return null;
  }
  
  /**
   * 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.
   */
  
  
  
  var ReactPropTypesSecret$1 = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED';
  
  var ReactPropTypesSecret_1 = ReactPropTypesSecret$1;
  
  /**
   * 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.
   */
  
  
  
  {
    var invariant$2 = invariant_1;
    var warning$2 = warning_1;
    var ReactPropTypesSecret = ReactPropTypesSecret_1;
    var loggedTypeFailures = {};
  }
  
  /**
   * Assert that the values match with the type specs.
   * Error messages are memorized and will only be shown once.
   *
   * @param {object} typeSpecs Map of name to a ReactPropType
   * @param {object} values Runtime values that need to be type-checked
   * @param {string} location e.g. "prop", "context", "child context"
   * @param {string} componentName Name of the component for error messages.
   * @param {?Function} getStack Returns the component stack.
   * @private
   */
  function checkPropTypes(typeSpecs, values, location, componentName, getStack) {
    {
      for (var typeSpecName in typeSpecs) {
        if (typeSpecs.hasOwnProperty(typeSpecName)) {
          var error;
          // Prop type validation may throw. In case they do, we don't want to
          // fail the render phase where it didn't fail before. So we log it.
          // After these have been cleaned up, we'll let them throw.
          try {
            // This is intentionally an invariant that gets caught. It's the same
            // behavior as without this statement except with a better message.
            invariant$2(typeof typeSpecs[typeSpecName] === 'function', '%s: %s type `%s` is invalid; it must be a function, usually from ' + 'the `prop-types` package, but received `%s`.', componentName || 'React class', location, typeSpecName, typeof typeSpecs[typeSpecName]);
            error = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, ReactPropTypesSecret);
          } catch (ex) {
            error = ex;
          }
          warning$2(!error || error instanceof Error, '%s: type specification of %s `%s` is invalid; the type checker ' + 'function must return `null` or an `Error` but returned a %s. ' + 'You may have forgotten to pass an argument to the type checker ' + 'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' + 'shape all require an argument).', componentName || 'React class', location, typeSpecName, typeof error);
          if (error instanceof Error && !(error.message in loggedTypeFailures)) {
            // Only monitor this failure once because there tends to be a lot of the
            // same error.
            loggedTypeFailures[error.message] = true;
  
            var stack = getStack ? getStack() : '';
  
            warning$2(false, 'Failed %s type: %s%s', location, error.message, stack != null ? stack : '');
          }
        }
      }
    }
  }
  
  var checkPropTypes_1 = checkPropTypes;
  
  /**
   * ReactElementValidator provides a wrapper around a element factory
   * which validates the props passed to the element. This is intended to be
   * used only in DEV and could be replaced by a static type checker for languages
   * that support it.
   */
  
  var currentlyValidatingElement = void 0;
  var propTypesMisspellWarningShown = void 0;
  
  var getDisplayName = function () {};
  var getStackAddendum = function () {};
  
  {
    currentlyValidatingElement = null;
  
    propTypesMisspellWarningShown = false;
  
    getDisplayName = function (element) {
      if (element == null) {
        return '#empty';
      } else if (typeof element === 'string' || typeof element === 'number') {
        return '#text';
      } else if (typeof element.type === 'string') {
        return element.type;
      } else if (element.type === REACT_FRAGMENT_TYPE) {
        return 'React.Fragment';
      } else {
        return element.type.displayName || element.type.name || 'Unknown';
      }
    };
  
    getStackAddendum = function () {
      var stack = '';
      if (currentlyValidatingElement) {
        var name = getDisplayName(currentlyValidatingElement);
        var owner = currentlyValidatingElement._owner;
        stack += describeComponentFrame(name, currentlyValidatingElement._source, owner && getComponentName(owner));
      }
      stack += ReactDebugCurrentFrame.getStackAddendum() || '';
      return stack;
    };
  }
  
  function getDeclarationErrorAddendum() {
    if (ReactCurrentOwner.current) {
      var name = getComponentName(ReactCurrentOwner.current);
      if (name) {
        return '\n\nCheck the render method of `' + name + '`.';
      }
    }
    return '';
  }
  
  function getSourceInfoErrorAddendum(elementProps) {
    if (elementProps !== null && elementProps !== undefined && elementProps.__source !== undefined) {
      var source = elementProps.__source;
      var fileName = source.fileName.replace(/^.*[\\\/]/, '');
      var lineNumber = source.lineNumber;
      return '\n\nCheck your code at ' + fileName + ':' + lineNumber + '.';
    }
    return '';
  }
  
  /**
   * Warn if there's no key explicitly set on dynamic arrays of children or
   * object keys are not valid. This allows us to keep track of children between
   * updates.
   */
  var ownerHasKeyUseWarning = {};
  
  function getCurrentComponentErrorInfo(parentType) {
    var info = getDeclarationErrorAddendum();
  
    if (!info) {
      var parentName = typeof parentType === 'string' ? parentType : parentType.displayName || parentType.name;
      if (parentName) {
        info = '\n\nCheck the top-level render call using <' + parentName + '>.';
      }
    }
    return info;
  }
  
  /**
   * Warn if the element doesn't have an explicit key assigned to it.
   * This element is in an array. The array could grow and shrink or be
   * reordered. All children that haven't already been validated are required to
   * have a "key" property assigned to it. Error statuses are cached so a warning
   * will only be shown once.
   *
   * @internal
   * @param {ReactElement} element Element that requires a key.
   * @param {*} parentType element's parent's type.
   */
  function validateExplicitKey(element, parentType) {
    if (!element._store || element._store.validated || element.key != null) {
      return;
    }
    element._store.validated = true;
  
    var currentComponentErrorInfo = getCurrentComponentErrorInfo(parentType);
    if (ownerHasKeyUseWarning[currentComponentErrorInfo]) {
      return;
    }
    ownerHasKeyUseWarning[currentComponentErrorInfo] = true;
  
    // Usually the current owner is the offender, but if it accepts children as a
    // property, it may be the creator of the child that's responsible for
    // assigning it a key.
    var childOwner = '';
    if (element && element._owner && element._owner !== ReactCurrentOwner.current) {
      // Give the component that originally created this child.
      childOwner = ' It was passed a child from ' + getComponentName(element._owner) + '.';
    }
  
    currentlyValidatingElement = element;
    {
      warning_1(false, 'Each child in an array or iterator should have a unique "key" prop.' + '%s%s See https://fb.me/react-warning-keys for more information.%s', currentComponentErrorInfo, childOwner, getStackAddendum());
    }
    currentlyValidatingElement = null;
  }
  
  /**
   * Ensure that every element either is passed in a static location, in an
   * array with an explicit keys property defined, or in an object literal
   * with valid key property.
   *
   * @internal
   * @param {ReactNode} node Statically passed child of any type.
   * @param {*} parentType node's parent's type.
   */
  function validateChildKeys(node, parentType) {
    if (typeof node !== 'object') {
      return;
    }
    if (Array.isArray(node)) {
      for (var i = 0; i < node.length; i++) {
        var child = node[i];
        if (isValidElement(child)) {
          validateExplicitKey(child, parentType);
        }
      }
    } else if (isValidElement(node)) {
      // This element was passed in a valid location.
      if (node._store) {
        node._store.validated = true;
      }
    } else if (node) {
      var iteratorFn = getIteratorFn(node);
      if (typeof iteratorFn === 'function') {
        // Entry iterators used to provide implicit keys,
        // but now we print a separate warning for them later.
        if (iteratorFn !== node.entries) {
          var iterator = iteratorFn.call(node);
          var step = void 0;
          while (!(step = iterator.next()).done) {
            if (isValidElement(step.value)) {
              validateExplicitKey(step.value, parentType);
            }
          }
        }
      }
    }
  }
  
  /**
   * Given an element, validate that its props follow the propTypes definition,
   * provided by the type.
   *
   * @param {ReactElement} element
   */
  function validatePropTypes(element) {
    var componentClass = element.type;
    if (typeof componentClass !== 'function') {
      return;
    }
    var name = componentClass.displayName || componentClass.name;
    var propTypes = componentClass.propTypes;
    if (propTypes) {
      currentlyValidatingElement = element;
      checkPropTypes_1(propTypes, element.props, 'prop', name, getStackAddendum);
      currentlyValidatingElement = null;
    } else if (componentClass.PropTypes !== undefined && !propTypesMisspellWarningShown) {
      propTypesMisspellWarningShown = true;
      warning_1(false, 'Component %s declared `PropTypes` instead of `propTypes`. Did you misspell the property assignment?', name || 'Unknown');
    }
    if (typeof componentClass.getDefaultProps === 'function') {
      !componentClass.getDefaultProps.isReactClassApproved ? warning_1(false, 'getDefaultProps is only used on classic React.createClass ' + 'definitions. Use a static property named `defaultProps` instead.') : void 0;
    }
  }
  
  /**
   * Given a fragment, validate that it can only be provided with fragment props
   * @param {ReactElement} fragment
   */
  function validateFragmentProps(fragment) {
    currentlyValidatingElement = fragment;
  
    var keys = Object.keys(fragment.props);
    for (var i = 0; i < keys.length; i++) {
      var key = keys[i];
      if (key !== 'children' && key !== 'key') {
        warning_1(false, 'Invalid prop `%s` supplied to `React.Fragment`. ' + 'React.Fragment can only have `key` and `children` props.%s', key, getStackAddendum());
        break;
      }
    }
  
    if (fragment.ref !== null) {
      warning_1(false, 'Invalid attribute `ref` supplied to `React.Fragment`.%s', getStackAddendum());
    }
  
    currentlyValidatingElement = null;
  }
  
  function createElementWithValidation(type, props, children) {
    var validType = isValidElementType(type);
  
    // We warn in this case but don't throw. We expect the element creation to
    // succeed and there will likely be errors in render.
    if (!validType) {
      var info = '';
      if (type === undefined || typeof type === 'object' && type !== null && Object.keys(type).length === 0) {
        info += ' You likely forgot to export your component from the file ' + "it's defined in, or you might have mixed up default and named imports.";
      }
  
      var sourceInfo = getSourceInfoErrorAddendum(props);
      if (sourceInfo) {
        info += sourceInfo;
      } else {
        info += getDeclarationErrorAddendum();
      }
  
      info += getStackAddendum() || '';
  
      var typeString = void 0;
      if (type === null) {
        typeString = 'null';
      } else if (Array.isArray(type)) {
        typeString = 'array';
      } else {
        typeString = typeof type;
      }
  
      warning_1(false, 'React.createElement: type is invalid -- expected a string (for ' + 'built-in components) or a class/function (for composite ' + 'components) but got: %s.%s', typeString, info);
    }
  
    var element = createElement.apply(this, arguments);
  
    // The result can be nullish if a mock or a custom function is used.
    // TODO: Drop this when these are no longer allowed as the type argument.
    if (element == null) {
      return element;
    }
  
    // Skip key warning if the type isn't valid since our key validation logic
    // doesn't expect a non-string/function type and can throw confusing errors.
    // We don't want exception behavior to differ between dev and prod.
    // (Rendering will throw with a helpful message and as soon as the type is
    // fixed, the key warnings will appear.)
    if (validType) {
      for (var i = 2; i < arguments.length; i++) {
        validateChildKeys(arguments[i], type);
      }
    }
  
    if (type === REACT_FRAGMENT_TYPE) {
      validateFragmentProps(element);
    } else {
      validatePropTypes(element);
    }
  
    return element;
  }
  
  function createFactoryWithValidation(type) {
    var validatedFactory = createElementWithValidation.bind(null, type);
    validatedFactory.type = type;
    // Legacy hook: remove it
    {
      Object.defineProperty(validatedFactory, 'type', {
        enumerable: false,
        get: function () {
          lowPriorityWarning$1(false, 'Factory.type is deprecated. Access the class directly ' + 'before passing it to createFactory.');
          Object.defineProperty(this, 'type', {
            value: type
          });
          return type;
        }
      });
    }
  
    return validatedFactory;
  }
  
  function cloneElementWithValidation(element, props, children) {
    var newElement = cloneElement.apply(this, arguments);
    for (var i = 2; i < arguments.length; i++) {
      validateChildKeys(arguments[i], newElement.type);
    }
    validatePropTypes(newElement);
    return newElement;
  }
  
  var React = {
    Children: {
      map: mapChildren,
      forEach: forEachChildren,
      count: countChildren,
      toArray: toArray,
      only: onlyChild
    },
  
    createRef: createRef,
    Component: Component,
    PureComponent: PureComponent,
  
    createContext: createContext,
    forwardRef: forwardRef,
  
    Fragment: REACT_FRAGMENT_TYPE,
    StrictMode: REACT_STRICT_MODE_TYPE,
    unstable_AsyncMode: REACT_ASYNC_MODE_TYPE,
  
    createElement: createElementWithValidation,
    cloneElement: cloneElementWithValidation,
    createFactory: createFactoryWithValidation,
    isValidElement: isValidElement,
  
    version: ReactVersion,
  
    __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: {
      ReactCurrentOwner: ReactCurrentOwner,
      // Used by renderers to avoid bundling object-assign twice in UMD bundles:
      assign: objectAssign
    }
  };
  
  {
    objectAssign(React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED, {
      // These should not be included in production.
      ReactDebugCurrentFrame: ReactDebugCurrentFrame,
      // Shim for React DOM 16.0.0 which still destructured (but not used) this.
      // TODO: remove in React 17.0.
      ReactComponentTreeHook: {}
    });
  }
  
  
  
  var React$2 = Object.freeze({
  	default: React
  });
  
  var React$3 = ( React$2 && React ) || React$2;
  
  // TODO: decide on the top-level export form.
  // This is hacky but makes it work with both Rollup and Jest.
  var react = React$3['default'] ? React$3['default'] : React$3;
  
  return react;
  
  })));
  