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/** @license React v16.13.1
 * react-dom.development.js
 *
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * 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' ? factory(exports, require('react')) :
  typeof define === 'function' && define.amd ? define(['exports', 'react'], factory) :
  (global = global || self, factory(global.ReactDOM = {}, global.React));
}(this, (function (exports, React) { 'use strict';

var ReactSharedInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED; // Prevent newer renderers from RTE when used with older react package versions.
  // Current owner and dispatcher used to share the same ref,
  // but PR #14548 split them out to better support the react-debug-tools package.

if (!ReactSharedInternals.hasOwnProperty('ReactCurrentDispatcher')) {
    ReactSharedInternals.ReactCurrentDispatcher = {
      current: null
    };
  }

if (!ReactSharedInternals.hasOwnProperty('ReactCurrentBatchConfig')) {
    ReactSharedInternals.ReactCurrentBatchConfig = {
      suspense: null
    };
  }

// by calls to these methods by a Babel plugin.
  //
  // In PROD (or in packages without access to React internals),
  // they are left as they are instead.

function warn(format) {
    {
      for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
        args[_key - 1] = arguments[_key];
      }

printWarning('warn', format, args);
    }
  }
  function error(format) {
    {
      for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
        args[_key2 - 1] = arguments[_key2];
      }

printWarning('error', format, args);
    }
  }

function printWarning(level, format, args) {
    // When changing this logic, you might want to also
    // update consoleWithStackDev.www.js as well.
    {
      var hasExistingStack = args.length > 0 && typeof args[args.length - 1] === 'string' && args[args.length - 1].indexOf('\n    in') === 0;

if (!hasExistingStack) {
        var ReactDebugCurrentFrame = ReactSharedInternals.ReactDebugCurrentFrame;
        var stack = ReactDebugCurrentFrame.getStackAddendum();

if (stack !== '') {
          format += '%s';
          args = args.concat([stack]);
        }
      }

var argsWithFormat = args.map(function (item) {
        return '' + item;
      }); // Careful: RN currently depends on this prefix

argsWithFormat.unshift('Warning: ' + format); // We intentionally don't use spread (or .apply) directly because it
      // breaks IE9: https://github.com/facebook/react/issues/13610
      // eslint-disable-next-line react-internal/no-production-logging

Function.prototype.apply.call(console[level], console, argsWithFormat);

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.
        var argIndex = 0;
        var message = 'Warning: ' + format.replace(/%s/g, function () {
          return args[argIndex++];
        });
        throw new Error(message);
      } catch (x) {}
    }
  }

if (!React) {
    {
      throw Error( "ReactDOM was loaded before React. Make sure you load the React package before loading ReactDOM." );
    }
  }

var invokeGuardedCallbackImpl = function (name, func, context, a, b, c, d, e, f) {
    var funcArgs = Array.prototype.slice.call(arguments, 3);

try {
      func.apply(context, funcArgs);
    } catch (error) {
      this.onError(error);
    }
  };

{
    // In DEV mode, we swap out invokeGuardedCallback for a special version
    // that plays more nicely with the browser's DevTools. The idea is to preserve
    // "Pause on exceptions" behavior. Because React wraps all user-provided
    // functions in invokeGuardedCallback, and the production version of
    // invokeGuardedCallback uses a try-catch, all user exceptions are treated
    // like caught exceptions, and the DevTools won't pause unless the developer
    // takes the extra step of enabling pause on caught exceptions. This is
    // unintuitive, though, because even though React has caught the error, from
    // the developer's perspective, the error is uncaught.
    //
    // To preserve the expected "Pause on exceptions" behavior, we don't use a
    // try-catch in DEV. Instead, we synchronously dispatch a fake event to a fake
    // DOM node, and call the user-provided callback from inside an event handler
    // for that fake event. If the callback throws, the error is "captured" using
    // a global event handler. But because the error happens in a different
    // event loop context, it does not interrupt the normal program flow.
    // Effectively, this gives us try-catch behavior without actually using
    // try-catch. Neat!
    // Check that the browser supports the APIs we need to implement our special
    // DEV version of invokeGuardedCallback
    if (typeof window !== 'undefined' && typeof window.dispatchEvent === 'function' && typeof document !== 'undefined' && typeof document.createEvent === 'function') {
      var fakeNode = document.createElement('react');

var invokeGuardedCallbackDev = function (name, func, context, a, b, c, d, e, f) {
        // If document doesn't exist we know for sure we will crash in this method
        // when we call document.createEvent(). However this can cause confusing
        // errors: https://github.com/facebookincubator/create-react-app/issues/3482
        // So we preemptively throw with a better message instead.
        if (!(typeof document !== 'undefined')) {
          {
            throw Error( "The `document` global was defined when React was initialized, but is not defined anymore. This can happen in a test environment if a component schedules an update from an asynchronous callback, but the test has already finished running. To solve this, you can either unmount the component at the end of your test (and ensure that any asynchronous operations get canceled in `componentWillUnmount`), or you can change the test itself to be asynchronous." );
          }
        }

var evt = document.createEvent('Event'); // Keeps track of whether the user-provided callback threw an error. We
        // set this to true at the beginning, then set it to false right after
        // calling the function. If the function errors, `didError` will never be
        // set to false. This strategy works even if the browser is flaky and
        // fails to call our global error handler, because it doesn't rely on
        // the error event at all.

var didError = true; // Keeps track of the value of window.event so that we can reset it
        // during the callback to let user code access window.event in the
        // browsers that support it.

var windowEvent = window.event; // Keeps track of the descriptor of window.event to restore it after event
        // dispatching: https://github.com/facebook/react/issues/13688

var windowEventDescriptor = Object.getOwnPropertyDescriptor(window, 'event'); // Create an event handler for our fake event. We will synchronously
        // dispatch our fake event using `dispatchEvent`. Inside the handler, we
        // call the user-provided callback.

var funcArgs = Array.prototype.slice.call(arguments, 3);

function callCallback() {
          // We immediately remove the callback from event listeners so that
          // nested `invokeGuardedCallback` calls do not clash. Otherwise, a
          // nested call would trigger the fake event handlers of any call higher
          // in the stack.
          fakeNode.removeEventListener(evtType, callCallback, false); // We check for window.hasOwnProperty('event') to prevent the
          // window.event assignment in both IE <= 10 as they throw an error
          // "Member not found" in strict mode, and in Firefox which does not
          // support window.event.

if (typeof window.event !== 'undefined' && window.hasOwnProperty('event')) {
            window.event = windowEvent;
          }

func.apply(context, funcArgs);
          didError = false;
        } // Create a global error event handler. We use this to capture the value
        // that was thrown. It's possible that this error handler will fire more
        // than once; for example, if non-React code also calls `dispatchEvent`
        // and a handler for that event throws. We should be resilient to most of
        // those cases. Even if our error event handler fires more than once, the
        // last error event is always used. If the callback actually does error,
        // we know that the last error event is the correct one, because it's not
        // possible for anything else to have happened in between our callback
        // erroring and the code that follows the `dispatchEvent` call below. If
        // the callback doesn't error, but the error event was fired, we know to
        // ignore it because `didError` will be false, as described above.

var error; // Use this to track whether the error event is ever called.

var didSetError = false;
        var isCrossOriginError = false;

function handleWindowError(event) {
          error = event.error;
          didSetError = true;

if (error === null && event.colno === 0 && event.lineno === 0) {
            isCrossOriginError = true;
          }

if (event.defaultPrevented) {
            // Some other error handler has prevented default.
            // Browsers silence the error report if this happens.
            // We'll remember this to later decide whether to log it or not.
            if (error != null && typeof error === 'object') {
              try {
                error._suppressLogging = true;
              } catch (inner) {// Ignore.
              }
            }
          }
        } // Create a fake event type.

var evtType = "react-" + (name ? name : 'invokeguardedcallback'); // Attach our event handlers

window.addEventListener('error', handleWindowError);
        fakeNode.addEventListener(evtType, callCallback, false); // Synchronously dispatch our fake event. If the user-provided function
        // errors, it will trigger our global error handler.

evt.initEvent(evtType, false, false);
        fakeNode.dispatchEvent(evt);

if (windowEventDescriptor) {
          Object.defineProperty(window, 'event', windowEventDescriptor);
        }

if (didError) {
          if (!didSetError) {
            // The callback errored, but the error event never fired.
            error = new Error('An error was thrown inside one of your components, but React ' + "doesn't know what it was. This is likely due to browser " + 'flakiness. React does its best to preserve the "Pause on ' + 'exceptions" behavior of the DevTools, which requires some ' + "DEV-mode only tricks. It's possible that these don't work in " + 'your browser. Try triggering the error in production mode, ' + 'or switching to a modern browser. If you suspect that this is ' + 'actually an issue with React, please file an issue.');
          } else if (isCrossOriginError) {
            error = new Error("A cross-origin error was thrown. React doesn't have access to " + 'the actual error object in development. ' + 'See https://fb.me/react-crossorigin-error for more information.');
          }

this.onError(error);
        } // Remove our event listeners

window.removeEventListener('error', handleWindowError);
      };

invokeGuardedCallbackImpl = invokeGuardedCallbackDev;
    }
  }

var invokeGuardedCallbackImpl$1 = invokeGuardedCallbackImpl;

var hasError = false;
  var caughtError = null; // Used by event system to capture/rethrow the first error.

function invokeGuardedCallbackAndCatchFirstError(name, func, context, a, b, c, d, e, f) {
    invokeGuardedCallback.apply(this, arguments);

if (hasError) {
      var error = clearCaughtError();

if (!hasRethrowError) {
        hasRethrowError = true;
        rethrowError = error;
      }
    }
  }
  /**
   * During execution of guarded functions we will capture the first error which
   * we will rethrow to be handled by the top level error handler.
   */

var getFiberCurrentPropsFromNode = null;
  var getInstanceFromNode = null;
  var getNodeFromInstance = null;
  function setComponentTree(getFiberCurrentPropsFromNodeImpl, getInstanceFromNodeImpl, getNodeFromInstanceImpl) {
    getFiberCurrentPropsFromNode = getFiberCurrentPropsFromNodeImpl;
    getInstanceFromNode = getInstanceFromNodeImpl;
    getNodeFromInstance = getNodeFromInstanceImpl;

{
      if (!getNodeFromInstance || !getInstanceFromNode) {
        error('EventPluginUtils.setComponentTree(...): Injected ' + 'module is missing getNodeFromInstance or getInstanceFromNode.');
      }
    }
  }
  var validateEventDispatches;

{
    validateEventDispatches = function (event) {
      var dispatchListeners = event._dispatchListeners;
      var dispatchInstances = event._dispatchInstances;
      var listenersIsArr = Array.isArray(dispatchListeners);
      var listenersLen = listenersIsArr ? dispatchListeners.length : dispatchListeners ? 1 : 0;
      var instancesIsArr = Array.isArray(dispatchInstances);
      var instancesLen = instancesIsArr ? dispatchInstances.length : dispatchInstances ? 1 : 0;

if (instancesIsArr !== listenersIsArr || instancesLen !== listenersLen) {
        error('EventPluginUtils: Invalid `event`.');
      }
    };
  }
  /**
   * Dispatch the event to the listener.
   * @param {SyntheticEvent} event SyntheticEvent to handle
   * @param {function} listener Application-level callback
   * @param {*} inst Internal component instance
   */

function executeDispatch(event, listener, inst) {
    var type = event.type || 'unknown-event';
    event.currentTarget = getNodeFromInstance(inst);
    invokeGuardedCallbackAndCatchFirstError(type, listener, undefined, event);
    event.currentTarget = null;
  }
  /**
   * Standard/simple iteration through an event's collected dispatches.
   */

function executeDispatchesInOrder(event) {
    var dispatchListeners = event._dispatchListeners;
    var dispatchInstances = event._dispatchInstances;

{
      validateEventDispatches(event);
    }

if (Array.isArray(dispatchListeners)) {
      for (var i = 0; i < dispatchListeners.length; i++) {
        if (event.isPropagationStopped()) {
          break;
        } // Listeners and Instances are two parallel arrays that are always in sync.

executeDispatch(event, dispatchListeners[i], dispatchInstances[i]);
      }
    } else if (dispatchListeners) {
      executeDispatch(event, dispatchListeners, dispatchInstances);
    }

event._dispatchListeners = null;
    event._dispatchInstances = null;
  }

var FunctionComponent = 0;
  var ClassComponent = 1;
  var IndeterminateComponent = 2; // Before we know whether it is function or class

var HostRoot = 3; // Root of a host tree. Could be nested inside another node.

var HostPortal = 4; // A subtree. Could be an entry point to a different renderer.

var HostComponent = 5;
  var HostText = 6;
  var Fragment = 7;
  var Mode = 8;
  var ContextConsumer = 9;
  var ContextProvider = 10;
  var ForwardRef = 11;
  var Profiler = 12;
  var SuspenseComponent = 13;
  var MemoComponent = 14;
  var SimpleMemoComponent = 15;
  var LazyComponent = 16;
  var IncompleteClassComponent = 17;
  var DehydratedFragment = 18;
  var SuspenseListComponent = 19;
  var FundamentalComponent = 20;
  var ScopeComponent = 21;
  var Block = 22;

/**
   * Injectable ordering of event plugins.
   */
  var eventPluginOrder = null;
  /**
   * Injectable mapping from names to event plugin modules.
   */

var namesToPlugins = {};
  /**
   * Recomputes the plugin list using the injected plugins and plugin ordering.
   *
   * @private
   */

function recomputePluginOrdering() {
    if (!eventPluginOrder) {
      // Wait until an `eventPluginOrder` is injected.
      return;
    }

for (var pluginName in namesToPlugins) {
      var pluginModule = namesToPlugins[pluginName];
      var pluginIndex = eventPluginOrder.indexOf(pluginName);

if (!(pluginIndex > -1)) {
        {
          throw Error( "EventPluginRegistry: Cannot inject event plugins that do not exist in the plugin ordering, `" + pluginName + "`." );
        }
      }

if (plugins[pluginIndex]) {
        continue;
      }

if (!pluginModule.extractEvents) {
        {
          throw Error( "EventPluginRegistry: Event plugins must implement an `extractEvents` method, but `" + pluginName + "` does not." );
        }
      }

plugins[pluginIndex] = pluginModule;
      var publishedEvents = pluginModule.eventTypes;

for (var eventName in publishedEvents) {
        if (!publishEventForPlugin(publishedEvents[eventName], pluginModule, eventName)) {
          {
            throw Error( "EventPluginRegistry: Failed to publish event `" + eventName + "` for plugin `" + pluginName + "`." );
          }
        }
      }
    }
  }
  /**
   * Publishes an event so that it can be dispatched by the supplied plugin.
   *
   * @param {object} dispatchConfig Dispatch configuration for the event.
   * @param {object} PluginModule Plugin publishing the event.
   * @return {boolean} True if the event was successfully published.
   * @private
   */

function publishEventForPlugin(dispatchConfig, pluginModule, eventName) {
    if (!!eventNameDispatchConfigs.hasOwnProperty(eventName)) {
      {
        throw Error( "EventPluginRegistry: More than one plugin attempted to publish the same event name, `" + eventName + "`." );
      }
    }

eventNameDispatchConfigs[eventName] = dispatchConfig;
    var phasedRegistrationNames = dispatchConfig.phasedRegistrationNames;

if (phasedRegistrationNames) {
      for (var phaseName in phasedRegistrationNames) {
        if (phasedRegistrationNames.hasOwnProperty(phaseName)) {
          var phasedRegistrationName = phasedRegistrationNames[phaseName];
          publishRegistrationName(phasedRegistrationName, pluginModule, eventName);
        }
      }

return true;
    } else if (dispatchConfig.registrationName) {
      publishRegistrationName(dispatchConfig.registrationName, pluginModule, eventName);
      return true;
    }

return false;
  }
  /**
   * Publishes a registration name that is used to identify dispatched events.
   *
   * @param {string} registrationName Registration name to add.
   * @param {object} PluginModule Plugin publishing the event.
   * @private
   */

function publishRegistrationName(registrationName, pluginModule, eventName) {
    if (!!registrationNameModules[registrationName]) {
      {
        throw Error( "EventPluginRegistry: More than one plugin attempted to publish the same registration name, `" + registrationName + "`." );
      }
    }

registrationNameModules[registrationName] = pluginModule;
    registrationNameDependencies[registrationName] = pluginModule.eventTypes[eventName].dependencies;

{
      var lowerCasedName = registrationName.toLowerCase();
      possibleRegistrationNames[lowerCasedName] = registrationName;

if (registrationName === 'onDoubleClick') {
        possibleRegistrationNames.ondblclick = registrationName;
      }
    }
  }
  /**
   * Registers plugins so that they can extract and dispatch events.
   */

/**
   * Ordered list of injected plugins.
   */

var plugins = [];
  /**
   * Mapping from event name to dispatch config
   */

var eventNameDispatchConfigs = {};
  /**
   * Mapping from registration name to plugin module
   */

var registrationNameModules = {};
  /**
   * Mapping from registration name to event name
   */

var registrationNameDependencies = {};
  /**
   * Mapping from lowercase registration names to the properly cased version,
   * used to warn in the case of missing event handlers. Available
   * only in true.
   * @type {Object}
   */

var possibleRegistrationNames =  {} ; // Trust the developer to only use possibleRegistrationNames in true

/**
   * Injects an ordering of plugins (by plugin name). This allows the ordering
   * to be decoupled from injection of the actual plugins so that ordering is
   * always deterministic regardless of packaging, on-the-fly injection, etc.
   *
   * @param {array} InjectedEventPluginOrder
   * @internal
   */

function injectEventPluginOrder(injectedEventPluginOrder) {
    if (!!eventPluginOrder) {
      {
        throw Error( "EventPluginRegistry: Cannot inject event plugin ordering more than once. You are likely trying to load more than one copy of React." );
      }
    } // Clone the ordering so it cannot be dynamically mutated.

eventPluginOrder = Array.prototype.slice.call(injectedEventPluginOrder);
    recomputePluginOrdering();
  }
  /**
   * Injects plugins to be used by plugin event system. The plugin names must be
   * in the ordering injected by `injectEventPluginOrder`.
   *
   * Plugins can be injected as part of page initialization or on-the-fly.
   *
   * @param {object} injectedNamesToPlugins Map from names to plugin modules.
   * @internal
   */

function injectEventPluginsByName(injectedNamesToPlugins) {
    var isOrderingDirty = false;

for (var pluginName in injectedNamesToPlugins) {
      if (!injectedNamesToPlugins.hasOwnProperty(pluginName)) {
        continue;
      }

var pluginModule = injectedNamesToPlugins[pluginName];

if (!namesToPlugins.hasOwnProperty(pluginName) || namesToPlugins[pluginName] !== pluginModule) {
        if (!!namesToPlugins[pluginName]) {
          {
            throw Error( "EventPluginRegistry: Cannot inject two different event plugins using the same name, `" + pluginName + "`." );
          }
        }

namesToPlugins[pluginName] = pluginModule;
        isOrderingDirty = true;
      }
    }

if (isOrderingDirty) {
      recomputePluginOrdering();
    }
  }

var canUseDOM = !!(typeof window !== 'undefined' && typeof window.document !== 'undefined' && typeof window.document.createElement !== 'undefined');

var ReactInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;
  var _assign = ReactInternals.assign;

var PLUGIN_EVENT_SYSTEM = 1;
  var IS_REPLAYED = 1 << 5;
  var IS_FIRST_ANCESTOR = 1 << 6;

var restoreImpl = null;
  var restoreTarget = null;
  var restoreQueue = null;

function restoreStateOfTarget(target) {
    // We perform this translation at the end of the event loop so that we
    // always receive the correct fiber here
    var internalInstance = getInstanceFromNode(target);

if (!internalInstance) {
      // Unmounted
      return;
    }

if (!(typeof restoreImpl === 'function')) {
      {
        throw Error( "setRestoreImplementation() needs to be called to handle a target for controlled events. This error is likely caused by a bug in React. Please file an issue." );
      }
    }

var stateNode = internalInstance.stateNode; // Guard against Fiber being unmounted.

if (stateNode) {
      var _props = getFiberCurrentPropsFromNode(stateNode);

restoreImpl(internalInstance.stateNode, internalInstance.type, _props);
    }
  }

var target = restoreTarget;
    var queuedTargets = restoreQueue;
    restoreTarget = null;
    restoreQueue = null;
    restoreStateOfTarget(target);

if (queuedTargets) {
      for (var i = 0; i < queuedTargets.length; i++) {
        restoreStateOfTarget(queuedTargets[i]);
      }
    }
  }

var enableProfilerTimer = true; // Trace which interactions trigger each commit.

var enableDeprecatedFlareAPI = false; // Experimental Host Component support.

var enableFundamentalAPI = false; // Experimental Scope support.
  var warnAboutStringRefs = false;

// the renderer. Such as when we're dispatching events or if third party
  // libraries need to call batchedUpdates. Eventually, this API will go away when
  // everything is batched by default. We'll then have a similar API to opt-out of
  // scheduled work and instead do synchronous work.
  // Defaults

var batchedUpdatesImpl = function (fn, bookkeeping) {
    return fn(bookkeeping);
  };

var discreteUpdatesImpl = function (fn, a, b, c, d) {
    return fn(a, b, c, d);
  };

var flushDiscreteUpdatesImpl = function () {};

var batchedEventUpdatesImpl = batchedUpdatesImpl;
  var isInsideEventHandler = false;
  var isBatchingEventUpdates = false;

function finishEventHandler() {
    // Here we wait until all updates have propagated, which is important
    // when using controlled components within layers:
    // https://github.com/facebook/react/issues/1698
    // Then we restore state of any controlled component.
    var controlledComponentsHavePendingUpdates = needsStateRestore();

if (controlledComponentsHavePendingUpdates) {
      // If a controlled event was fired, we may need to restore the state of
      // the DOM node back to the controlled value. This is necessary when React
      // bails out of the update without touching the DOM.
      flushDiscreteUpdatesImpl();
      restoreStateIfNeeded();
    }
  }

function batchedUpdates(fn, bookkeeping) {
    if (isInsideEventHandler) {
      // If we are currently inside another batch, we need to wait until it
      // fully completes before restoring state.
      return fn(bookkeeping);
    }

isInsideEventHandler = true;

try {
      return batchedUpdatesImpl(fn, bookkeeping);
    } finally {
      isInsideEventHandler = false;
      finishEventHandler();
    }
  }
  function batchedEventUpdates(fn, a, b) {
    if (isBatchingEventUpdates) {
      // If we are currently inside another batch, we need to wait until it
      // fully completes before restoring state.
      return fn(a, b);
    }

isBatchingEventUpdates = true;

try {
      return batchedEventUpdatesImpl(fn, a, b);
    } finally {
      isBatchingEventUpdates = false;
      finishEventHandler();
    }
  } // This is for the React Flare event system
  function discreteUpdates(fn, a, b, c, d) {
    var prevIsInsideEventHandler = isInsideEventHandler;
    isInsideEventHandler = true;

try {
      return discreteUpdatesImpl(fn, a, b, c, d);
    } finally {
      isInsideEventHandler = prevIsInsideEventHandler;

if (!isInsideEventHandler) {
        finishEventHandler();
      }
    }
  }
  function flushDiscreteUpdatesIfNeeded(timeStamp) {
    // event.timeStamp isn't overly reliable due to inconsistencies in
    // how different browsers have historically provided the time stamp.
    // Some browsers provide high-resolution time stamps for all events,
    // some provide low-resolution time stamps for all events. FF < 52
    // even mixes both time stamps together. Some browsers even report
    // negative time stamps or time stamps that are 0 (iOS9) in some cases.
    // Given we are only comparing two time stamps with equality (!==),
    // we are safe from the resolution differences. If the time stamp is 0
    // we bail-out of preventing the flush, which can affect semantics,
    // such as if an earlier flush removes or adds event listeners that
    // are fired in the subsequent flush. However, this is the same
    // behaviour as we had before this change, so the risks are low.
    if (!isInsideEventHandler && (!enableDeprecatedFlareAPI  )) {
      flushDiscreteUpdatesImpl();
    }
  }
  function setBatchingImplementation(_batchedUpdatesImpl, _discreteUpdatesImpl, _flushDiscreteUpdatesImpl, _batchedEventUpdatesImpl) {
    batchedUpdatesImpl = _batchedUpdatesImpl;
    discreteUpdatesImpl = _discreteUpdatesImpl;
    flushDiscreteUpdatesImpl = _flushDiscreteUpdatesImpl;
    batchedEventUpdatesImpl = _batchedEventUpdatesImpl;
  }

var DiscreteEvent = 0;
  var UserBlockingEvent = 1;
  var ContinuousEvent = 2;

var ReactInternals$1 = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;
  var _ReactInternals$Sched = ReactInternals$1.Scheduler,
      unstable_cancelCallback = _ReactInternals$Sched.unstable_cancelCallback,
      unstable_now = _ReactInternals$Sched.unstable_now,
      unstable_scheduleCallback = _ReactInternals$Sched.unstable_scheduleCallback,
      unstable_shouldYield = _ReactInternals$Sched.unstable_shouldYield,
      unstable_requestPaint = _ReactInternals$Sched.unstable_requestPaint,
      unstable_getFirstCallbackNode = _ReactInternals$Sched.unstable_getFirstCallbackNode,
      unstable_runWithPriority = _ReactInternals$Sched.unstable_runWithPriority,
      unstable_next = _ReactInternals$Sched.unstable_next,
      unstable_continueExecution = _ReactInternals$Sched.unstable_continueExecution,
      unstable_pauseExecution = _ReactInternals$Sched.unstable_pauseExecution,
      unstable_getCurrentPriorityLevel = _ReactInternals$Sched.unstable_getCurrentPriorityLevel,
      unstable_ImmediatePriority = _ReactInternals$Sched.unstable_ImmediatePriority,
      unstable_UserBlockingPriority = _ReactInternals$Sched.unstable_UserBlockingPriority,
      unstable_NormalPriority = _ReactInternals$Sched.unstable_NormalPriority,
      unstable_LowPriority = _ReactInternals$Sched.unstable_LowPriority,
      unstable_IdlePriority = _ReactInternals$Sched.unstable_IdlePriority,
      unstable_forceFrameRate = _ReactInternals$Sched.unstable_forceFrameRate,
      unstable_flushAllWithoutAsserting = _ReactInternals$Sched.unstable_flushAllWithoutAsserting;

// A reserved attribute.
  // It is handled by React separately and shouldn't be written to the DOM.
  var RESERVED = 0; // A simple string attribute.
  // Attributes that aren't in the whitelist are presumed to have this type.

var STRING = 1; // A string attribute that accepts booleans in React. In HTML, these are called
  // "enumerated" attributes with "true" and "false" as possible values.
  // When true, it should be set to a "true" string.
  // When false, it should be set to a "false" string.

var BOOLEANISH_STRING = 2; // A real boolean attribute.
  // When true, it should be present (set either to an empty string or its name).
  // When false, it should be omitted.

var BOOLEAN = 3; // An attribute that can be used as a flag as well as with a value.
  // When true, it should be present (set either to an empty string or its name).
  // When false, it should be omitted.
  // For any other value, should be present with that value.

var OVERLOADED_BOOLEAN = 4; // An attribute that must be numeric or parse as a numeric.
  // When falsy, it should be removed.

var NUMERIC = 5; // An attribute that must be positive numeric or parse as a positive numeric.
  // When falsy, it should be removed.

var POSITIVE_NUMERIC = 6;

/* eslint-disable max-len */
  var ATTRIBUTE_NAME_START_CHAR = ":A-Z_a-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD";
  /* eslint-enable max-len */

if (hasOwnProperty.call(illegalAttributeNameCache, attributeName)) {
      return false;
    }

if (VALID_ATTRIBUTE_NAME_REGEX.test(attributeName)) {
      validatedAttributeNameCache[attributeName] = true;
      return true;
    }

illegalAttributeNameCache[attributeName] = true;

{
      error('Invalid attribute name: `%s`', attributeName);
    }

return false;
  }
  function shouldIgnoreAttribute(name, propertyInfo, isCustomComponentTag) {
    if (propertyInfo !== null) {
      return propertyInfo.type === RESERVED;
    }

if (isCustomComponentTag) {
      return false;
    }

if (name.length > 2 && (name[0] === 'o' || name[0] === 'O') && (name[1] === 'n' || name[1] === 'N')) {
      return true;
    }

return false;
  }
  function shouldRemoveAttributeWithWarning(name, value, propertyInfo, isCustomComponentTag) {
    if (propertyInfo !== null && propertyInfo.type === RESERVED) {
      return false;
    }

switch (typeof value) {
      case 'function': // $FlowIssue symbol is perfectly valid here

case 'symbol':
        // eslint-disable-line
        return true;

case 'boolean':
        {
          if (isCustomComponentTag) {
            return false;
          }

if (propertyInfo !== null) {
            return !propertyInfo.acceptsBooleans;
          } else {
            var prefix = name.toLowerCase().slice(0, 5);
            return prefix !== 'data-' && prefix !== 'aria-';
          }
        }

default:
        return false;
    }
  }
  function shouldRemoveAttribute(name, value, propertyInfo, isCustomComponentTag) {
    if (value === null || typeof value === 'undefined') {
      return true;
    }

if (shouldRemoveAttributeWithWarning(name, value, propertyInfo, isCustomComponentTag)) {
      return true;
    }

if (isCustomComponentTag) {
      return false;
    }

if (propertyInfo !== null) {
      switch (propertyInfo.type) {
        case BOOLEAN:
          return !value;

case OVERLOADED_BOOLEAN:
          return value === false;

case NUMERIC:
          return isNaN(value);

case POSITIVE_NUMERIC:
          return isNaN(value) || value < 1;
      }
    }

return false;
  }
  function getPropertyInfo(name) {
    return properties.hasOwnProperty(name) ? properties[name] : null;
  }

function PropertyInfoRecord(name, type, mustUseProperty, attributeName, attributeNamespace, sanitizeURL) {
    this.acceptsBooleans = type === BOOLEANISH_STRING || type === BOOLEAN || type === OVERLOADED_BOOLEAN;
    this.attributeName = attributeName;
    this.attributeNamespace = attributeNamespace;
    this.mustUseProperty = mustUseProperty;
    this.propertyName = name;
    this.type = type;
    this.sanitizeURL = sanitizeURL;
  } // When adding attributes to this list, be sure to also add them to
  // the `possibleStandardNames` module to ensure casing and incorrect
  // name warnings.

var properties = {}; // These props are reserved by React. They shouldn't be written to the DOM.

var reservedProps = ['children', 'dangerouslySetInnerHTML', // TODO: This prevents the assignment of defaultValue to regular
  // elements (not just inputs). Now that ReactDOMInput assigns to the
  // defaultValue property -- do we need this?
  'defaultValue', 'defaultChecked', 'innerHTML', 'suppressContentEditableWarning', 'suppressHydrationWarning', 'style'];

reservedProps.forEach(function (name) {
    properties[name] = new PropertyInfoRecord(name, RESERVED, false, // mustUseProperty
    name, // attributeName
    null, // attributeNamespace
    false);
  }); // A few React string attributes have a different name.
  // This is a mapping from React prop names to the attribute names.

[['acceptCharset', 'accept-charset'], ['className', 'class'], ['htmlFor', 'for'], ['httpEquiv', 'http-equiv']].forEach(function (_ref) {
    var name = _ref[0],
        attributeName = _ref[1];
    properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty
    attributeName, // attributeName
    null, // attributeNamespace
    false);
  }); // These are "enumerated" HTML attributes that accept "true" and "false".
  // In React, we let users pass `true` and `false` even though technically
  // these aren't boolean attributes (they are coerced to strings).

['contentEditable', 'draggable', 'spellCheck', 'value'].forEach(function (name) {
    properties[name] = new PropertyInfoRecord(name, BOOLEANISH_STRING, false, // mustUseProperty
    name.toLowerCase(), // attributeName
    null, // attributeNamespace
    false);
  }); // These are "enumerated" SVG attributes that accept "true" and "false".
  // In React, we let users pass `true` and `false` even though technically
  // these aren't boolean attributes (they are coerced to strings).
  // Since these are SVG attributes, their attribute names are case-sensitive.

['autoReverse', 'externalResourcesRequired', 'focusable', 'preserveAlpha'].forEach(function (name) {
    properties[name] = new PropertyInfoRecord(name, BOOLEANISH_STRING, false, // mustUseProperty
    name, // attributeName
    null, // attributeNamespace
    false);
  }); // These are HTML boolean attributes.

['allowFullScreen', 'async', // Note: there is a special case that prevents it from being written to the DOM
  // on the client side because the browsers are inconsistent. Instead we call focus().
  'autoFocus', 'autoPlay', 'controls', 'default', 'defer', 'disabled', 'disablePictureInPicture', 'formNoValidate', 'hidden', 'loop', 'noModule', 'noValidate', 'open', 'playsInline', 'readOnly', 'required', 'reversed', 'scoped', 'seamless', // Microdata
  'itemScope'].forEach(function (name) {
    properties[name] = new PropertyInfoRecord(name, BOOLEAN, false, // mustUseProperty
    name.toLowerCase(), // attributeName
    null, // attributeNamespace
    false);
  }); // These are the few React props that we set as DOM properties
  // rather than attributes. These are all booleans.

['checked', // Note: `option.selected` is not updated if `select.multiple` is
  // disabled with `removeAttribute`. We have special logic for handling this.
  'multiple', 'muted', 'selected' // NOTE: if you add a camelCased prop to this list,
  // you'll need to set attributeName to name.toLowerCase()
  // instead in the assignment below.
  ].forEach(function (name) {
    properties[name] = new PropertyInfoRecord(name, BOOLEAN, true, // mustUseProperty
    name, // attributeName
    null, // attributeNamespace
    false);
  }); // These are HTML attributes that are "overloaded booleans": they behave like
  // booleans, but can also accept a string value.

['capture', 'download' // NOTE: if you add a camelCased prop to this list,
  // you'll need to set attributeName to name.toLowerCase()
  // instead in the assignment below.
  ].forEach(function (name) {
    properties[name] = new PropertyInfoRecord(name, OVERLOADED_BOOLEAN, false, // mustUseProperty
    name, // attributeName
    null, // attributeNamespace
    false);
  }); // These are HTML attributes that must be positive numbers.

['cols', 'rows', 'size', 'span' // NOTE: if you add a camelCased prop to this list,
  // you'll need to set attributeName to name.toLowerCase()
  // instead in the assignment below.
  ].forEach(function (name) {
    properties[name] = new PropertyInfoRecord(name, POSITIVE_NUMERIC, false, // mustUseProperty
    name, // attributeName
    null, // attributeNamespace
    false);
  }); // These are HTML attributes that must be numbers.

['rowSpan', 'start'].forEach(function (name) {
    properties[name] = new PropertyInfoRecord(name, NUMERIC, false, // mustUseProperty
    name.toLowerCase(), // attributeName
    null, // attributeNamespace
    false);
  });
  var CAMELIZE = /[\-\:]([a-z])/g;

var capitalize = function (token) {
    return token[1].toUpperCase();
  }; // This is a list of all SVG attributes that need special casing, namespacing,
  // or boolean value assignment. Regular attributes that just accept strings
  // and have the same names are omitted, just like in the HTML whitelist.
  // Some of these attributes can be hard to find. This list was created by
  // scraping the MDN documentation.

['accent-height', 'alignment-baseline', 'arabic-form', 'baseline-shift', 'cap-height', 'clip-path', 'clip-rule', 'color-interpolation', 'color-interpolation-filters', 'color-profile', 'color-rendering', 'dominant-baseline', 'enable-background', 'fill-opacity', 'fill-rule', 'flood-color', 'flood-opacity', 'font-family', 'font-size', 'font-size-adjust', 'font-stretch', 'font-style', 'font-variant', 'font-weight', 'glyph-name', 'glyph-orientation-horizontal', 'glyph-orientation-vertical', 'horiz-adv-x', 'horiz-origin-x', 'image-rendering', 'letter-spacing', 'lighting-color', 'marker-end', 'marker-mid', 'marker-start', 'overline-position', 'overline-thickness', 'paint-order', 'panose-1', 'pointer-events', 'rendering-intent', 'shape-rendering', 'stop-color', 'stop-opacity', 'strikethrough-position', 'strikethrough-thickness', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'text-anchor', 'text-decoration', 'text-rendering', 'underline-position', 'underline-thickness', 'unicode-bidi', 'unicode-range', 'units-per-em', 'v-alphabetic', 'v-hanging', 'v-ideographic', 'v-mathematical', 'vector-effect', 'vert-adv-y', 'vert-origin-x', 'vert-origin-y', 'word-spacing', 'writing-mode', 'xmlns:xlink', 'x-height' // NOTE: if you add a camelCased prop to this list,
  // you'll need to set attributeName to name.toLowerCase()
  // instead in the assignment below.
  ].forEach(function (attributeName) {
    var name = attributeName.replace(CAMELIZE, capitalize);
    properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty
    attributeName, null, // attributeNamespace
    false);
  }); // String SVG attributes with the xlink namespace.

['xlink:actuate', 'xlink:arcrole', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type' // NOTE: if you add a camelCased prop to this list,
  // you'll need to set attributeName to name.toLowerCase()
  // instead in the assignment below.
  ].forEach(function (attributeName) {
    var name = attributeName.replace(CAMELIZE, capitalize);
    properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty
    attributeName, 'http://www.w3.org/1999/xlink', false);
  }); // String SVG attributes with the xml namespace.

['xml:base', 'xml:lang', 'xml:space' // NOTE: if you add a camelCased prop to this list,
  // you'll need to set attributeName to name.toLowerCase()
  // instead in the assignment below.
  ].forEach(function (attributeName) {
    var name = attributeName.replace(CAMELIZE, capitalize);
    properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty
    attributeName, 'http://www.w3.org/XML/1998/namespace', false);
  }); // These attribute exists both in HTML and SVG.
  // The attribute name is case-sensitive in SVG so we can't just use
  // the React name like we do for attributes that exist only in HTML.

['tabIndex', 'crossOrigin'].forEach(function (attributeName) {
    properties[attributeName] = new PropertyInfoRecord(attributeName, STRING, false, // mustUseProperty
    attributeName.toLowerCase(), // attributeName
    null, // attributeNamespace
    false);
  }); // These attributes accept URLs. These must not allow javascript: URLS.
  // These will also need to accept Trusted Types object in the future.

var xlinkHref = 'xlinkHref';
  properties[xlinkHref] = new PropertyInfoRecord('xlinkHref', STRING, false, // mustUseProperty
  'xlink:href', 'http://www.w3.org/1999/xlink', true);
  ['src', 'href', 'action', 'formAction'].forEach(function (attributeName) {
    properties[attributeName] = new PropertyInfoRecord(attributeName, STRING, false, // mustUseProperty
    attributeName.toLowerCase(), // attributeName
    null, // attributeNamespace
    true);
  });

var ReactDebugCurrentFrame = null;

{
    ReactDebugCurrentFrame = ReactSharedInternals.ReactDebugCurrentFrame;
  } // A javascript: URL can contain leading C0 control or \u0020 SPACE,
  // and any newline or tab are filtered out as if they're not part of the URL.
  // https://url.spec.whatwg.org/#url-parsing
  // Tab or newline are defined as \r\n\t:
  // https://infra.spec.whatwg.org/#ascii-tab-or-newline
  // A C0 control is a code point in the range \u0000 NULL to \u001F
  // INFORMATION SEPARATOR ONE, inclusive:
  // https://infra.spec.whatwg.org/#c0-control-or-space

/* eslint-disable max-len */

var isJavaScriptProtocol = /^[\u0000-\u001F ]*j[\r\n\t]*a[\r\n\t]*v[\r\n\t]*a[\r\n\t]*s[\r\n\t]*c[\r\n\t]*r[\r\n\t]*i[\r\n\t]*p[\r\n\t]*t[\r\n\t]*\:/i;
  var didWarn = false;

function sanitizeURL(url) {
    {
      if (!didWarn && isJavaScriptProtocol.test(url)) {
        didWarn = true;

error('A future version of React will block javascript: URLs as a security precaution. ' + 'Use event handlers instead if you can. If you need to generate unsafe HTML try ' + 'using dangerouslySetInnerHTML instead. React was passed %s.', JSON.stringify(url));
      }
    }
  }

/**
   * Get the value for a property on a node. Only used in DEV for SSR validation.
   * The "expected" argument is used as a hint of what the expected value is.
   * Some properties have multiple equivalent values.
   */
  function getValueForProperty(node, name, expected, propertyInfo) {
    {
      if (propertyInfo.mustUseProperty) {
        var propertyName = propertyInfo.propertyName;
        return node[propertyName];
      } else {
        if ( propertyInfo.sanitizeURL) {
          // If we haven't fully disabled javascript: URLs, and if
          // the hydration is successful of a javascript: URL, we
          // still want to warn on the client.
          sanitizeURL('' + expected);
        }

var attributeName = propertyInfo.attributeName;
        var stringValue = null;

if (propertyInfo.type === OVERLOADED_BOOLEAN) {
          if (node.hasAttribute(attributeName)) {
            var value = node.getAttribute(attributeName);

if (value === '') {
              return true;
            }

if (shouldRemoveAttribute(name, expected, propertyInfo, false)) {
              return value;
            }

if (value === '' + expected) {
              return expected;
            }

return value;
          }
        } else if (node.hasAttribute(attributeName)) {
          if (shouldRemoveAttribute(name, expected, propertyInfo, false)) {
            // We had an attribute but shouldn't have had one, so read it
            // for the error message.
            return node.getAttribute(attributeName);
          }

if (propertyInfo.type === BOOLEAN) {
            // If this was a boolean, it doesn't matter what the value is
            // the fact that we have it is the same as the expected.
            return expected;
          } // Even if this property uses a namespace we use getAttribute
          // because we assume its namespaced name is the same as our config.
          // To use getAttributeNS we need the local name which we don't have
          // in our config atm.

stringValue = node.getAttribute(attributeName);
        }

if (shouldRemoveAttribute(name, expected, propertyInfo, false)) {
          return stringValue === null ? expected : stringValue;
        } else if (stringValue === '' + expected) {
          return expected;
        } else {
          return stringValue;
        }
      }
    }
  }
  /**
   * Get the value for a attribute on a node. Only used in DEV for SSR validation.
   * The third argument is used as a hint of what the expected value is. Some
   * attributes have multiple equivalent values.
   */

function getValueForAttribute(node, name, expected) {
    {
      if (!isAttributeNameSafe(name)) {
        return;
      }

if (!node.hasAttribute(name)) {
        return expected === undefined ? undefined : null;
      }

var value = node.getAttribute(name);

if (value === '' + expected) {
        return expected;
      }

return value;
    }
  }
  /**
   * Sets the value for a property on a node.
   *
   * @param {DOMElement} node
   * @param {string} name
   * @param {*} value
   */

function setValueForProperty(node, name, value, isCustomComponentTag) {
    var propertyInfo = getPropertyInfo(name);

if (shouldIgnoreAttribute(name, propertyInfo, isCustomComponentTag)) {
      return;
    }

if (shouldRemoveAttribute(name, value, propertyInfo, isCustomComponentTag)) {
      value = null;
    } // If the prop isn't in the special list, treat it as a simple attribute.

if (isCustomComponentTag || propertyInfo === null) {
      if (isAttributeNameSafe(name)) {
        var _attributeName = name;

if (value === null) {
          node.removeAttribute(_attributeName);
        } else {
          node.setAttribute(_attributeName,  '' + value);
        }
      }

return;
    }

var mustUseProperty = propertyInfo.mustUseProperty;

if (mustUseProperty) {
      var propertyName = propertyInfo.propertyName;

if (value === null) {
        var type = propertyInfo.type;
        node[propertyName] = type === BOOLEAN ? false : '';
      } else {
        // Contrary to `setAttribute`, object properties are properly
        // `toString`ed by IE8/9.
        node[propertyName] = value;
      }

return;
    } // The rest are treated as attributes with special cases.

var attributeName = propertyInfo.attributeName,
        attributeNamespace = propertyInfo.attributeNamespace;

if (value === null) {
      node.removeAttribute(attributeName);
    } else {
      var _type = propertyInfo.type;
      var attributeValue;

if (_type === BOOLEAN || _type === OVERLOADED_BOOLEAN && value === true) {
        // If attribute type is boolean, we know for sure it won't be an execution sink
        // and we won't require Trusted Type here.
        attributeValue = '';
      } else {
        // `setAttribute` with objects becomes only `[object]` in IE8/9,
        // ('' + value) makes it output the correct toString()-value.
        {
          attributeValue = '' + value;
        }

if (propertyInfo.sanitizeURL) {
          sanitizeURL(attributeValue.toString());
        }
      }

if (attributeNamespace) {
        node.setAttributeNS(attributeNamespace, attributeName, attributeValue);
      } else {
        node.setAttribute(attributeName, attributeValue);
      }
    }
  }

var BEFORE_SLASH_RE = /^(.*)[\\\/]/;
  function describeComponentFrame (name, source, ownerName) {
    var sourceInfo = '';

if (source) {
      var path = source.fileName;
      var fileName = path.replace(BEFORE_SLASH_RE, '');

{
        // In DEV, include code for a common special case:
        // prefer "folder/index.js" instead of just "index.js".
        if (/^index\./.test(fileName)) {
          var match = path.match(BEFORE_SLASH_RE);

if (match) {
            var pathBeforeSlash = match[1];

if (pathBeforeSlash) {
              var folderName = pathBeforeSlash.replace(BEFORE_SLASH_RE, '');
              fileName = folderName + '/' + fileName;
            }
          }
        }
      }

sourceInfo = ' (at ' + fileName + ':' + source.lineNumber + ')';
    } else if (ownerName) {
      sourceInfo = ' (created by ' + ownerName + ')';
    }

return '\n    in ' + (name || 'Unknown') + sourceInfo;
  }

// 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_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_PROFILER_TYPE = hasSymbol ? Symbol.for('react.profiler') : 0xead2;
  var REACT_PROVIDER_TYPE = hasSymbol ? Symbol.for('react.provider') : 0xeacd;
  var REACT_CONTEXT_TYPE = hasSymbol ? Symbol.for('react.context') : 0xeace; // TODO: We don't use AsyncMode or ConcurrentMode anymore. They were temporary
  var REACT_CONCURRENT_MODE_TYPE = hasSymbol ? Symbol.for('react.concurrent_mode') : 0xeacf;
  var REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for('react.forward_ref') : 0xead0;
  var REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for('react.suspense') : 0xead1;
  var REACT_SUSPENSE_LIST_TYPE = hasSymbol ? Symbol.for('react.suspense_list') : 0xead8;
  var REACT_MEMO_TYPE = hasSymbol ? Symbol.for('react.memo') : 0xead3;
  var REACT_LAZY_TYPE = hasSymbol ? Symbol.for('react.lazy') : 0xead4;
  var REACT_BLOCK_TYPE = hasSymbol ? Symbol.for('react.block') : 0xead9;
  var MAYBE_ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
  var FAUX_ITERATOR_SYMBOL = '@@iterator';
  function getIteratorFn(maybeIterable) {
    if (maybeIterable === null || typeof maybeIterable !== 'object') {
      return null;
    }

var maybeIterator = MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL];

if (typeof maybeIterator === 'function') {
      return maybeIterator;
    }

return null;
  }

var Uninitialized = -1;
  var Pending = 0;
  var Resolved = 1;
  var Rejected = 2;
  function refineResolvedLazyComponent(lazyComponent) {
    return lazyComponent._status === Resolved ? lazyComponent._result : null;
  }
  function initializeLazyComponentType(lazyComponent) {
    if (lazyComponent._status === Uninitialized) {
      lazyComponent._status = Pending;
      var ctor = lazyComponent._ctor;
      var thenable = ctor();
      lazyComponent._result = thenable;
      thenable.then(function (moduleObject) {
        if (lazyComponent._status === Pending) {
          var defaultExport = moduleObject.default;

{
            if (defaultExport === undefined) {
              error('lazy: Expected the result of a dynamic import() call. ' + 'Instead received: %s\n\nYour code should look like: \n  ' + "const MyComponent = lazy(() => import('./MyComponent'))", moduleObject);
            }
          }

lazyComponent._status = Resolved;
          lazyComponent._result = defaultExport;
        }
      }, function (error) {
        if (lazyComponent._status === Pending) {
          lazyComponent._status = Rejected;
          lazyComponent._result = error;
        }
      });
    }
  }

function getWrappedName(outerType, innerType, wrapperName) {
    var functionName = innerType.displayName || innerType.name || '';
    return outerType.displayName || (functionName !== '' ? wrapperName + "(" + functionName + ")" : wrapperName);
  }

function getComponentName(type) {
    if (type == null) {
      // Host root, text node or just invalid type.
      return null;
    }

{
      if (typeof type.tag === 'number') {
        error('Received an unexpected object in getComponentName(). ' + 'This is likely a bug in React. Please file an issue.');
      }
    }

if (typeof type === 'function') {
      return type.displayName || type.name || null;
    }

if (typeof type === 'string') {
      return type;
    }

switch (type) {
      case REACT_FRAGMENT_TYPE:
        return 'Fragment';

case REACT_PORTAL_TYPE:
        return 'Portal';

case REACT_PROFILER_TYPE:
        return "Profiler";

case REACT_STRICT_MODE_TYPE:
        return 'StrictMode';

case REACT_SUSPENSE_TYPE:
        return 'Suspense';

case REACT_SUSPENSE_LIST_TYPE:
        return 'SuspenseList';
    }

if (typeof type === 'object') {
      switch (type.$$typeof) {
        case REACT_CONTEXT_TYPE:
          return 'Context.Consumer';

case REACT_PROVIDER_TYPE:
          return 'Context.Provider';

case REACT_FORWARD_REF_TYPE:
          return getWrappedName(type, type.render, 'ForwardRef');

case REACT_MEMO_TYPE:
          return getComponentName(type.type);

case REACT_BLOCK_TYPE:
          return getComponentName(type.render);

case REACT_LAZY_TYPE:
          {
            var thenable = type;
            var resolvedThenable = refineResolvedLazyComponent(thenable);

if (resolvedThenable) {
              return getComponentName(resolvedThenable);
            }

break;
          }
      }
    }

return null;
  }

var ReactDebugCurrentFrame$1 = ReactSharedInternals.ReactDebugCurrentFrame;

function describeFiber(fiber) {
    switch (fiber.tag) {
      case HostRoot:
      case HostPortal:
      case HostText:
      case Fragment:
      case ContextProvider:
      case ContextConsumer:
        return '';

default:
        var owner = fiber._debugOwner;
        var source = fiber._debugSource;
        var name = getComponentName(fiber.type);
        var ownerName = null;

if (owner) {
          ownerName = getComponentName(owner.type);
        }

return describeComponentFrame(name, source, ownerName);
    }
  }

function getStackByFiberInDevAndProd(workInProgress) {
    var info = '';
    var node = workInProgress;

do {
      info += describeFiber(node);
      node = node.return;
    } while (node);

return info;
  }
  var current = null;
  var isRendering = false;
  function getCurrentFiberOwnerNameInDevOrNull() {
    {
      if (current === null) {
        return null;
      }

var owner = current._debugOwner;

if (owner !== null && typeof owner !== 'undefined') {
        return getComponentName(owner.type);
      }
    }

return null;
  }
  function getCurrentFiberStackInDev() {
    {
      if (current === null) {
        return '';
      } // Safe because if current fiber exists, we are reconciling,
      // and it is guaranteed to be the work-in-progress version.

return getStackByFiberInDevAndProd(current);
    }
  }
  function resetCurrentFiber() {
    {
      ReactDebugCurrentFrame$1.getCurrentStack = null;
      current = null;
      isRendering = false;
    }
  }
  function setCurrentFiber(fiber) {
    {
      ReactDebugCurrentFrame$1.getCurrentStack = getCurrentFiberStackInDev;
      current = fiber;
      isRendering = false;
    }
  }
  function setIsRendering(rendering) {
    {
      isRendering = rendering;
    }
  }

// Flow does not allow string concatenation of most non-string types. To work
  // around this limitation, we use an opaque type that can only be obtained by
  // passing the value through getToStringValue first.
  function toString(value) {
    return '' + value;
  }
  function getToStringValue(value) {
    switch (typeof value) {
      case 'boolean':
      case 'number':
      case 'object':
      case 'string':
      case 'undefined':
        return value;

default:
        // function, symbol are assigned as empty strings
        return '';
    }
  }

/**
   * 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 = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED';

var ReactPropTypesSecret_1 = ReactPropTypesSecret;

var printWarning$1 = function() {};

{
    var ReactPropTypesSecret$1 = ReactPropTypesSecret_1;
    var loggedTypeFailures = {};
    var has = Function.call.bind(Object.prototype.hasOwnProperty);

printWarning$1 = function(text) {
      var message = 'Warning: ' + text;
      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) {}
    };
  }

/**
   * 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 (has(typeSpecs, 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.
            if (typeof typeSpecs[typeSpecName] !== 'function') {
              var err = Error(
                (componentName || 'React class') + ': ' + location + ' type `' + typeSpecName + '` is invalid; ' +
                'it must be a function, usually from the `prop-types` package, but received `' + typeof typeSpecs[typeSpecName] + '`.'
              );
              err.name = 'Invariant Violation';
              throw err;
            }
            error = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, ReactPropTypesSecret$1);
          } catch (ex) {
            error = ex;
          }
          if (error && !(error instanceof Error)) {
            printWarning$1(
              (componentName || 'React class') + ': type specification of ' +
              location + ' `' + typeSpecName + '` is invalid; the type checker ' +
              'function must return `null` or an `Error` but returned a ' + typeof error + '. ' +
              'You may have forgotten to pass an argument to the type checker ' +
              'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' +
              'shape all require an argument).'
            );
          }
          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() : '';

printWarning$1(
              'Failed ' + location + ' type: ' + error.message + (stack != null ? stack : '')
            );
          }
        }
      }
    }
  }

/**
   * Resets warning cache when testing.
   *
   * @private
   */
  checkPropTypes.resetWarningCache = function() {
    {
      loggedTypeFailures = {};
    }
  };

var checkPropTypes_1 = checkPropTypes;

var ReactDebugCurrentFrame$2 = null;
  var ReactControlledValuePropTypes = {
    checkPropTypes: null
  };

{
    ReactDebugCurrentFrame$2 = ReactSharedInternals.ReactDebugCurrentFrame;
    var hasReadOnlyValue = {
      button: true,
      checkbox: true,
      image: true,
      hidden: true,
      radio: true,
      reset: true,
      submit: true
    };
    var propTypes = {
      value: function (props, propName, componentName) {
        if (hasReadOnlyValue[props.type] || props.onChange || props.readOnly || props.disabled || props[propName] == null || enableDeprecatedFlareAPI ) {
          return null;
        }

return new Error('You provided a `value` prop to a form field without an ' + '`onChange` handler. This will render a read-only field. If ' + 'the field should be mutable use `defaultValue`. Otherwise, ' + 'set either `onChange` or `readOnly`.');
      },
      checked: function (props, propName, componentName) {
        if (props.onChange || props.readOnly || props.disabled || props[propName] == null || enableDeprecatedFlareAPI ) {
          return null;
        }

return new Error('You provided a `checked` prop to a form field without an ' + '`onChange` handler. This will render a read-only field. If ' + 'the field should be mutable use `defaultChecked`. Otherwise, ' + 'set either `onChange` or `readOnly`.');
      }
    };
    /**
     * Provide a linked `value` attribute for controlled forms. You should not use
     * this outside of the ReactDOM controlled form components.
     */

ReactControlledValuePropTypes.checkPropTypes = function (tagName, props) {
      checkPropTypes_1(propTypes, props, 'prop', tagName, ReactDebugCurrentFrame$2.getStackAddendum);
    };
  }

function isCheckable(elem) {
    var type = elem.type;
    var nodeName = elem.nodeName;
    return nodeName && nodeName.toLowerCase() === 'input' && (type === 'checkbox' || type === 'radio');
  }

function getTracker(node) {
    return node._valueTracker;
  }

function detachTracker(node) {
    node._valueTracker = null;
  }

function getValueFromNode(node) {
    var value = '';

if (!node) {
      return value;
    }

if (isCheckable(node)) {
      value = node.checked ? 'true' : 'false';
    } else {
      value = node.value;
    }

return value;
  }

function trackValueOnNode(node) {
    var valueField = isCheckable(node) ? 'checked' : 'value';
    var descriptor = Object.getOwnPropertyDescriptor(node.constructor.prototype, valueField);
    var currentValue = '' + node[valueField]; // if someone has already defined a value or Safari, then bail
    // and don't track value will cause over reporting of changes,
    // but it's better then a hard failure
    // (needed for certain tests that spyOn input values and Safari)

if (node.hasOwnProperty(valueField) || typeof descriptor === 'undefined' || typeof descriptor.get !== 'function' || typeof descriptor.set !== 'function') {
      return;
    }

Object.defineProperty(node, valueField, {
      enumerable: descriptor.enumerable
    });
    var tracker = {
      getValue: function () {
        return currentValue;
      },
      setValue: function (value) {
        currentValue = '' + value;
      },
      stopTracking: function () {
        detachTracker(node);
        delete node[valueField];
      }
    };
    return tracker;
  }

function track(node) {
    if (getTracker(node)) {
      return;
    } // TODO: Once it's just Fiber we can move this to node._wrapperState

node._valueTracker = trackValueOnNode(node);
  }
  function updateValueIfChanged(node) {
    if (!node) {
      return false;
    }

var tracker = getTracker(node); // if there is no tracker at this point it's unlikely
    // that trying again will succeed

if (!tracker) {
      return true;
    }

var lastValue = tracker.getValue();
    var nextValue = getValueFromNode(node);

if (nextValue !== lastValue) {
      tracker.setValue(nextValue);
      return true;
    }

return false;
  }

var didWarnValueDefaultValue = false;
  var didWarnCheckedDefaultChecked = false;
  var didWarnControlledToUncontrolled = false;
  var didWarnUncontrolledToControlled = false;

function isControlled(props) {
    var usesChecked = props.type === 'checkbox' || props.type === 'radio';
    return usesChecked ? props.checked != null : props.value != null;
  }
  /**
   * Implements an <input> host component that allows setting these optional
   * props: `checked`, `value`, `defaultChecked`, and `defaultValue`.
   *
   * If `checked` or `value` are not supplied (or null/undefined), user actions
   * that affect the checked state or value will trigger updates to the element.
   *
   * If they are supplied (and not null/undefined), the rendered element will not
   * trigger updates to the element. Instead, the props must change in order for
   * the rendered element to be updated.
   *
   * The rendered element will be initialized as unchecked (or `defaultChecked`)
   * with an empty value (or `defaultValue`).
   *
   * See http://www.w3.org/TR/2012/WD-html5-20121025/the-input-element.html
   */

function getHostProps(element, props) {
    var node = element;
    var checked = props.checked;

var hostProps = _assign({}, props, {
      defaultChecked: undefined,
      defaultValue: undefined,
      value: undefined,
      checked: checked != null ? checked : node._wrapperState.initialChecked
    });

return hostProps;
  }
  function initWrapperState(element, props) {
    {
      ReactControlledValuePropTypes.checkPropTypes('input', props);

if (props.checked !== undefined && props.defaultChecked !== undefined && !didWarnCheckedDefaultChecked) {
        error('%s contains an input of type %s with both checked and defaultChecked props. ' + 'Input elements must be either controlled or uncontrolled ' + '(specify either the checked prop, or the defaultChecked prop, but not ' + 'both). Decide between using a controlled or uncontrolled input ' + 'element and remove one of these props. More info: ' + 'https://fb.me/react-controlled-components', getCurrentFiberOwnerNameInDevOrNull() || 'A component', props.type);

didWarnCheckedDefaultChecked = true;
      }

if (props.value !== undefined && props.defaultValue !== undefined && !didWarnValueDefaultValue) {
        error('%s contains an input of type %s with both value and defaultValue props. ' + 'Input elements must be either controlled or uncontrolled ' + '(specify either the value prop, or the defaultValue prop, but not ' + 'both). Decide between using a controlled or uncontrolled input ' + 'element and remove one of these props. More info: ' + 'https://fb.me/react-controlled-components', getCurrentFiberOwnerNameInDevOrNull() || 'A component', props.type);

didWarnValueDefaultValue = true;
      }
    }

var node = element;
    var defaultValue = props.defaultValue == null ? '' : props.defaultValue;
    node._wrapperState = {
      initialChecked: props.checked != null ? props.checked : props.defaultChecked,
      initialValue: getToStringValue(props.value != null ? props.value : defaultValue),
      controlled: isControlled(props)
    };
  }
  function updateChecked(element, props) {
    var node = element;
    var checked = props.checked;

if (checked != null) {
      setValueForProperty(node, 'checked', checked, false);
    }
  }
  function updateWrapper(element, props) {
    var node = element;

{
      var controlled = isControlled(props);

if (!node._wrapperState.controlled && controlled && !didWarnUncontrolledToControlled) {
        error('A component is changing an uncontrolled input of type %s to be controlled. ' + 'Input elements should not switch from uncontrolled to controlled (or vice versa). ' + 'Decide between using a controlled or uncontrolled input ' + 'element for the lifetime of the component. More info: https://fb.me/react-controlled-components', props.type);

didWarnUncontrolledToControlled = true;
      }

if (node._wrapperState.controlled && !controlled && !didWarnControlledToUncontrolled) {
        error('A component is changing a controlled input of type %s to be uncontrolled. ' + 'Input elements should not switch from controlled to uncontrolled (or vice versa). ' + 'Decide between using a controlled or uncontrolled input ' + 'element for the lifetime of the component. More info: https://fb.me/react-controlled-components', props.type);

didWarnControlledToUncontrolled = true;
      }
    }

updateChecked(element, props);
    var value = getToStringValue(props.value);
    var type = props.type;

if (value != null) {
      if (type === 'number') {
        if (value === 0 && node.value === '' || // We explicitly want to coerce to number here if possible.
        // eslint-disable-next-line
        node.value != value) {
          node.value = toString(value);
        }
      } else if (node.value !== toString(value)) {
        node.value = toString(value);
      }
    } else if (type === 'submit' || type === 'reset') {
      // Submit/reset inputs need the attribute removed completely to avoid
      // blank-text buttons.
      node.removeAttribute('value');
      return;
    }

{
      // When syncing the value attribute, the value comes from a cascade of
      // properties:
      //  1. The value React property
      //  2. The defaultValue React property
      //  3. Otherwise there should be no change
      if (props.hasOwnProperty('value')) {
        setDefaultValue(node, props.type, value);
      } else if (props.hasOwnProperty('defaultValue')) {
        setDefaultValue(node, props.type, getToStringValue(props.defaultValue));
      }
    }

{
      // When syncing the checked attribute, it only changes when it needs
      // to be removed, such as transitioning from a checkbox into a text input
      if (props.checked == null && props.defaultChecked != null) {
        node.defaultChecked = !!props.defaultChecked;
      }
    }
  }
  function postMountWrapper(element, props, isHydrating) {
    var node = element; // Do not assign value if it is already set. This prevents user text input
    // from being lost during SSR hydration.

if (props.hasOwnProperty('value') || props.hasOwnProperty('defaultValue')) {
      var type = props.type;
      var isButton = type === 'submit' || type === 'reset'; // Avoid setting value attribute on submit/reset inputs as it overrides the
      // default value provided by the browser. See: #12872

if (isButton && (props.value === undefined || props.value === null)) {
        return;
      }

var initialValue = toString(node._wrapperState.initialValue); // Do not assign value if it is already set. This prevents user text input
      // from being lost during SSR hydration.

if (!isHydrating) {
        {
          // When syncing the value attribute, the value property should use
          // the wrapperState._initialValue property. This uses:
          //
          //   1. The value React property when present
          //   2. The defaultValue React property when present
          //   3. An empty string
          if (initialValue !== node.value) {
            node.value = initialValue;
          }
        }
      }

{
        // Otherwise, the value attribute is synchronized to the property,
        // so we assign defaultValue to the same thing as the value property
        // assignment step above.
        node.defaultValue = initialValue;
      }
    } // Normally, we'd just do `node.checked = node.checked` upon initial mount, less this bug
    // this is needed to work around a chrome bug where setting defaultChecked
    // will sometimes influence the value of checked (even after detachment).
    // Reference: https://bugs.chromium.org/p/chromium/issues/detail?id=608416
    // We need to temporarily unset name to avoid disrupting radio button groups.

var name = node.name;

if (name !== '') {
      node.name = '';
    }

{
      // When syncing the checked attribute, both the checked property and
      // attribute are assigned at the same time using defaultChecked. This uses:
      //
      //   1. The checked React property when present
      //   2. The defaultChecked React property when present
      //   3. Otherwise, false
      node.defaultChecked = !node.defaultChecked;
      node.defaultChecked = !!node._wrapperState.initialChecked;
    }

if (name !== '') {
      node.name = name;
    }
  }
  function restoreControlledState(element, props) {
    var node = element;
    updateWrapper(node, props);
    updateNamedCousins(node, props);
  }

function updateNamedCousins(rootNode, props) {
    var name = props.name;

if (props.type === 'radio' && name != null) {
      var queryRoot = rootNode;

while (queryRoot.parentNode) {
        queryRoot = queryRoot.parentNode;
      } // If `rootNode.form` was non-null, then we could try `form.elements`,
      // but that sometimes behaves strangely in IE8. We could also try using
      // `form.getElementsByName`, but that will only return direct children
      // and won't include inputs that use the HTML5 `form=` attribute. Since
      // the input might not even be in a form. It might not even be in the
      // document. Let's just use the local `querySelectorAll` to ensure we don't
      // miss anything.

var group = queryRoot.querySelectorAll('input[name=' + JSON.stringify('' + name) + '][type="radio"]');

for (var i = 0; i < group.length; i++) {
        var otherNode = group[i];

if (otherNode === rootNode || otherNode.form !== rootNode.form) {
          continue;
        } // This will throw if radio buttons rendered by different copies of React
        // and the same name are rendered into the same form (same as #1939).
        // That's probably okay; we don't support it just as we don't support
        // mixing React radio buttons with non-React ones.

var otherProps = getFiberCurrentPropsFromNode$1(otherNode);

if (!otherProps) {
          {
            throw Error( "ReactDOMInput: Mixing React and non-React radio inputs with the same `name` is not supported." );
          }
        } // We need update the tracked value on the named cousin since the value
        // was changed but the input saw no event or value set

updateValueIfChanged(otherNode); // If this is a controlled radio button group, forcing the input that
        // was previously checked to update will cause it to be come re-checked
        // as appropriate.

updateWrapper(otherNode, otherProps);
      }
    }
  } // In Chrome, assigning defaultValue to certain input types triggers input validation.
  // For number inputs, the display value loses trailing decimal points. For email inputs,
  // Chrome raises "The specified value <x> is not a valid email address".
  //
  // Here we check to see if the defaultValue has actually changed, avoiding these problems
  // when the user is inputting text
  //
  // https://github.com/facebook/react/issues/7253

function setDefaultValue(node, type, value) {
    if ( // Focused number inputs synchronize on blur. See ChangeEventPlugin.js
    type !== 'number' || node.ownerDocument.activeElement !== node) {
      if (value == null) {
        node.defaultValue = toString(node._wrapperState.initialValue);
      } else if (node.defaultValue !== toString(value)) {
        node.defaultValue = toString(value);
      }
    }
  }

var didWarnSelectedSetOnOption = false;
  var didWarnInvalidChild = false;

function flattenChildren(children) {
    var content = ''; // Flatten children. We'll warn if they are invalid
    // during validateProps() which runs for hydration too.
    // Note that this would throw on non-element objects.
    // Elements are stringified (which is normally irrelevant
    // but matters for <fbt>).

React.Children.forEach(children, function (child) {
      if (child == null) {
        return;
      }

content += child; // Note: we don't warn about invalid children here.
      // Instead, this is done separately below so that
      // it happens during the hydration codepath too.
    });
    return content;
  }
  /**
   * Implements an <option> host component that warns when `selected` is set.
   */

function validateProps(element, props) {
    {
      // This mirrors the codepath above, but runs for hydration too.
      // Warn about invalid children here so that client and hydration are consistent.
      // TODO: this seems like it could cause a DEV-only throw for hydration
      // if children contains a non-element object. We should try to avoid that.
      if (typeof props.children === 'object' && props.children !== null) {
        React.Children.forEach(props.children, function (child) {
          if (child == null) {
            return;
          }

if (typeof child === 'string' || typeof child === 'number') {
            return;
          }

if (typeof child.type !== 'string') {
            return;
          }

if (!didWarnInvalidChild) {
            didWarnInvalidChild = true;

error('Only strings and numbers are supported as <option> children.');
          }
        });
      } // TODO: Remove support for `selected` in <option>.

if (props.selected != null && !didWarnSelectedSetOnOption) {
        error('Use the `defaultValue` or `value` props on <select> instead of ' + 'setting `selected` on <option>.');

didWarnSelectedSetOnOption = true;
      }
    }
  }
  function postMountWrapper$1(element, props) {
    // value="" should make a value attribute (#6219)
    if (props.value != null) {
      element.setAttribute('value', toString(getToStringValue(props.value)));
    }
  }
  function getHostProps$1(element, props) {
    var hostProps = _assign({
      children: undefined
    }, props);

var content = flattenChildren(props.children);

if (content) {
      hostProps.children = content;
    }

return hostProps;
  }

var didWarnValueDefaultValue$1;

{
    didWarnValueDefaultValue$1 = false;
  }

function getDeclarationErrorAddendum() {
    var ownerName = getCurrentFiberOwnerNameInDevOrNull();

if (ownerName) {
      return '\n\nCheck the render method of `' + ownerName + '`.';
    }

return '';
  }

var valuePropNames = ['value', 'defaultValue'];
  /**
   * Validation function for `value` and `defaultValue`.
   */

function checkSelectPropTypes(props) {
    {
      ReactControlledValuePropTypes.checkPropTypes('select', props);

for (var i = 0; i < valuePropNames.length; i++) {
        var propName = valuePropNames[i];

if (props[propName] == null) {
          continue;
        }

var isArray = Array.isArray(props[propName]);

if (props.multiple && !isArray) {
          error('The `%s` prop supplied to <select> must be an array if ' + '`multiple` is true.%s', propName, getDeclarationErrorAddendum());
        } else if (!props.multiple && isArray) {
          error('The `%s` prop supplied to <select> must be a scalar ' + 'value if `multiple` is false.%s', propName, getDeclarationErrorAddendum());
        }
      }
    }
  }

function updateOptions(node, multiple, propValue, setDefaultSelected) {
    var options = node.options;

if (multiple) {
      var selectedValues = propValue;
      var selectedValue = {};

for (var i = 0; i < selectedValues.length; i++) {
        // Prefix to avoid chaos with special keys.
        selectedValue['$' + selectedValues[i]] = true;
      }

for (var _i = 0; _i < options.length; _i++) {
        var selected = selectedValue.hasOwnProperty('$' + options[_i].value);

if (options[_i].selected !== selected) {
          options[_i].selected = selected;
        }

if (selected && setDefaultSelected) {
          options[_i].defaultSelected = true;
        }
      }
    } else {
      // Do not set `select.value` as exact behavior isn't consistent across all
      // browsers for all cases.
      var _selectedValue = toString(getToStringValue(propValue));

var defaultSelected = null;

for (var _i2 = 0; _i2 < options.length; _i2++) {
        if (options[_i2].value === _selectedValue) {
          options[_i2].selected = true;

if (setDefaultSelected) {
            options[_i2].defaultSelected = true;
          }

return;
        }

if (defaultSelected === null && !options[_i2].disabled) {
          defaultSelected = options[_i2];
        }
      }

if (defaultSelected !== null) {
        defaultSelected.selected = true;
      }
    }
  }
  /**
   * Implements a <select> host component that allows optionally setting the
   * props `value` and `defaultValue`. If `multiple` is false, the prop must be a
   * stringable. If `multiple` is true, the prop must be an array of stringables.
   *
   * If `value` is not supplied (or null/undefined), user actions that change the
   * selected option will trigger updates to the rendered options.
   *
   * If it is supplied (and not null/undefined), the rendered options will not
   * update in response to user actions. Instead, the `value` prop must change in
   * order for the rendered options to update.
   *
   * If `defaultValue` is provided, any options with the supplied values will be
   * selected.
   */

function getHostProps$2(element, props) {
    return _assign({}, props, {
      value: undefined
    });
  }
  function initWrapperState$1(element, props) {
    var node = element;

{
      checkSelectPropTypes(props);
    }

node._wrapperState = {
      wasMultiple: !!props.multiple
    };

{
      if (props.value !== undefined && props.defaultValue !== undefined && !didWarnValueDefaultValue$1) {
        error('Select elements must be either controlled or uncontrolled ' + '(specify either the value prop, or the defaultValue prop, but not ' + 'both). Decide between using a controlled or uncontrolled select ' + 'element and remove one of these props. More info: ' + 'https://fb.me/react-controlled-components');

didWarnValueDefaultValue$1 = true;
      }
    }
  }
  function postMountWrapper$2(element, props) {
    var node = element;
    node.multiple = !!props.multiple;
    var value = props.value;

if (value != null) {
      updateOptions(node, !!props.multiple, value, false);
    } else if (props.defaultValue != null) {
      updateOptions(node, !!props.multiple, props.defaultValue, true);
    }
  }
  function postUpdateWrapper(element, props) {
    var node = element;
    var wasMultiple = node._wrapperState.wasMultiple;
    node._wrapperState.wasMultiple = !!props.multiple;
    var value = props.value;

if (value != null) {
      updateOptions(node, !!props.multiple, value, false);
    } else if (wasMultiple !== !!props.multiple) {
      // For simplicity, reapply `defaultValue` if `multiple` is toggled.
      if (props.defaultValue != null) {
        updateOptions(node, !!props.multiple, props.defaultValue, true);
      } else {
        // Revert the select back to its default unselected state.
        updateOptions(node, !!props.multiple, props.multiple ? [] : '', false);
      }
    }
  }
  function restoreControlledState$1(element, props) {
    var node = element;
    var value = props.value;

if (value != null) {
      updateOptions(node, !!props.multiple, value, false);
    }
  }

var didWarnValDefaultVal = false;

/**
   * Implements a <textarea> host component that allows setting `value`, and
   * `defaultValue`. This differs from the traditional DOM API because value is
   * usually set as PCDATA children.
   *
   * If `value` is not supplied (or null/undefined), user actions that affect the
   * value will trigger updates to the element.
   *
   * If `value` is supplied (and not null/undefined), the rendered element will
   * not trigger updates to the element. Instead, the `value` prop must change in
   * order for the rendered element to be updated.
   *
   * The rendered element will be initialized with an empty value, the prop
   * `defaultValue` if specified, or the children content (deprecated).
   */
  function getHostProps$3(element, props) {
    var node = element;

if (!(props.dangerouslySetInnerHTML == null)) {
      {
        throw Error( "`dangerouslySetInnerHTML` does not make sense on <textarea>." );
      }
    } // Always set children to the same thing. In IE9, the selection range will
    // get reset if `textContent` is mutated.  We could add a check in setTextContent
    // to only set the value if/when the value differs from the node value (which would
    // completely solve this IE9 bug), but Sebastian+Sophie seemed to like this
    // solution. The value can be a boolean or object so that's why it's forced
    // to be a string.

var hostProps = _assign({}, props, {
      value: undefined,
      defaultValue: undefined,
      children: toString(node._wrapperState.initialValue)
    });

return hostProps;
  }
  function initWrapperState$2(element, props) {
    var node = element;

{
      ReactControlledValuePropTypes.checkPropTypes('textarea', props);

if (props.value !== undefined && props.defaultValue !== undefined && !didWarnValDefaultVal) {
        error('%s contains a textarea with both value and defaultValue props. ' + 'Textarea elements must be either controlled or uncontrolled ' + '(specify either the value prop, or the defaultValue prop, but not ' + 'both). Decide between using a controlled or uncontrolled textarea ' + 'and remove one of these props. More info: ' + 'https://fb.me/react-controlled-components', getCurrentFiberOwnerNameInDevOrNull() || 'A component');

didWarnValDefaultVal = true;
      }
    }

var initialValue = props.value; // Only bother fetching default value if we're going to use it

if (initialValue == null) {
      var children = props.children,
          defaultValue = props.defaultValue;

if (children != null) {
        {
          error('Use the `defaultValue` or `value` props instead of setting ' + 'children on <textarea>.');
        }

{
          if (!(defaultValue == null)) {
            {
              throw Error( "If you supply `defaultValue` on a <textarea>, do not pass children." );
            }
          }

if (Array.isArray(children)) {
            if (!(children.length <= 1)) {
              {
                throw Error( "<textarea> can only have at most one child." );
              }
            }

children = children[0];
          }

defaultValue = children;
        }
      }

if (defaultValue == null) {
        defaultValue = '';
      }

initialValue = defaultValue;
    }

node._wrapperState = {
      initialValue: getToStringValue(initialValue)
    };
  }
  function updateWrapper$1(element, props) {
    var node = element;
    var value = getToStringValue(props.value);
    var defaultValue = getToStringValue(props.defaultValue);

if (value != null) {
      // Cast `value` to a string to ensure the value is set correctly. While
      // browsers typically do this as necessary, jsdom doesn't.
      var newValue = toString(value); // To avoid side effects (such as losing text selection), only set value if changed

if (newValue !== node.value) {
        node.value = newValue;
      }

if (props.defaultValue == null && node.defaultValue !== newValue) {
        node.defaultValue = newValue;
      }
    }

if (defaultValue != null) {
      node.defaultValue = toString(defaultValue);
    }
  }
  function postMountWrapper$3(element, props) {
    var node = element; // This is in postMount because we need access to the DOM node, which is not
    // available until after the component has mounted.

var textContent = node.textContent; // Only set node.value if textContent is equal to the expected
    // initial value. In IE10/IE11 there is a bug where the placeholder attribute
    // will populate textContent as well.
    // https://developer.microsoft.com/microsoft-edge/platform/issues/101525/

if (textContent === node._wrapperState.initialValue) {
      if (textContent !== '' && textContent !== null) {
        node.value = textContent;
      }
    }
  }
  function restoreControlledState$2(element, props) {
    // DOM component is still mounted; update
    updateWrapper$1(element, props);
  }

var HTML_NAMESPACE = 'http://www.w3.org/1999/xhtml';
  var MATH_NAMESPACE = 'http://www.w3.org/1998/Math/MathML';
  var SVG_NAMESPACE = 'http://www.w3.org/2000/svg';
  var Namespaces = {
    html: HTML_NAMESPACE,
    mathml: MATH_NAMESPACE,
    svg: SVG_NAMESPACE
  }; // Assumes there is no parent namespace.

function getIntrinsicNamespace(type) {
    switch (type) {
      case 'svg':
        return SVG_NAMESPACE;

case 'math':
        return MATH_NAMESPACE;

default:
        return HTML_NAMESPACE;
    }
  }
  function getChildNamespace(parentNamespace, type) {
    if (parentNamespace == null || parentNamespace === HTML_NAMESPACE) {
      // No (or default) parent namespace: potential entry point.
      return getIntrinsicNamespace(type);
    }

if (parentNamespace === SVG_NAMESPACE && type === 'foreignObject') {
      // We're leaving SVG.
      return HTML_NAMESPACE;
    } // By default, pass namespace below.

return parentNamespace;
  }

/* globals MSApp */

/**
   * Create a function which has 'unsafe' privileges (required by windows8 apps)
   */
  var createMicrosoftUnsafeLocalFunction = function (func) {
    if (typeof MSApp !== 'undefined' && MSApp.execUnsafeLocalFunction) {
      return function (arg0, arg1, arg2, arg3) {
        MSApp.execUnsafeLocalFunction(function () {
          return func(arg0, arg1, arg2, arg3);
        });
      };
    } else {
      return func;
    }
  };

var reusableSVGContainer;
  /**
   * Set the innerHTML property of a node
   *
   * @param {DOMElement} node
   * @param {string} html
   * @internal
   */

var setInnerHTML = createMicrosoftUnsafeLocalFunction(function (node, html) {
    if (node.namespaceURI === Namespaces.svg) {

if (!('innerHTML' in node)) {
        // IE does not have innerHTML for SVG nodes, so instead we inject the
        // new markup in a temp node and then move the child nodes across into
        // the target node
        reusableSVGContainer = reusableSVGContainer || document.createElement('div');
        reusableSVGContainer.innerHTML = '<svg>' + html.valueOf().toString() + '</svg>';
        var svgNode = reusableSVGContainer.firstChild;

while (node.firstChild) {
          node.removeChild(node.firstChild);
        }

while (svgNode.firstChild) {
          node.appendChild(svgNode.firstChild);
        }

return;
      }
    }

node.innerHTML = html;
  });

/**
   * HTML nodeType values that represent the type of the node
   */
  var ELEMENT_NODE = 1;
  var TEXT_NODE = 3;
  var COMMENT_NODE = 8;
  var DOCUMENT_NODE = 9;
  var DOCUMENT_FRAGMENT_NODE = 11;

/**
   * Set the textContent property of a node. For text updates, it's faster
   * to set the `nodeValue` of the Text node directly instead of using
   * `.textContent` which will remove the existing node and create a new one.
   *
   * @param {DOMElement} node
   * @param {string} text
   * @internal
   */

var setTextContent = function (node, text) {
    if (text) {
      var firstChild = node.firstChild;

if (firstChild && firstChild === node.lastChild && firstChild.nodeType === TEXT_NODE) {
        firstChild.nodeValue = text;
        return;
      }
    }

node.textContent = text;
  };

// Do not use the below two methods directly!
  // Instead use constants exported from DOMTopLevelEventTypes in ReactDOM.
  // (It is the only module that is allowed to access these methods.)
  function unsafeCastStringToDOMTopLevelType(topLevelType) {
    return topLevelType;
  }
  function unsafeCastDOMTopLevelTypeToString(topLevelType) {
    return topLevelType;
  }

/**
   * Generate a mapping of standard vendor prefixes using the defined style property and event name.
   *
   * @param {string} styleProp
   * @param {string} eventName
   * @returns {object}
   */

function makePrefixMap(styleProp, eventName) {
    var prefixes = {};
    prefixes[styleProp.toLowerCase()] = eventName.toLowerCase();
    prefixes['Webkit' + styleProp] = 'webkit' + eventName;
    prefixes['Moz' + styleProp] = 'moz' + eventName;
    return prefixes;
  }
  /**
   * A list of event names to a configurable list of vendor prefixes.
   */

var vendorPrefixes = {
    animationend: makePrefixMap('Animation', 'AnimationEnd'),
    animationiteration: makePrefixMap('Animation', 'AnimationIteration'),
    animationstart: makePrefixMap('Animation', 'AnimationStart'),
    transitionend: makePrefixMap('Transition', 'TransitionEnd')
  };
  /**
   * Event names that have already been detected and prefixed (if applicable).
   */

var prefixedEventNames = {};
  /**
   * Element to check for prefixes on.
   */

var style = {};
  /**
   * Bootstrap if a DOM exists.
   */

if (canUseDOM) {
    style = document.createElement('div').style; // On some platforms, in particular some releases of Android 4.x,
    // the un-prefixed "animation" and "transition" properties are defined on the
    // style object but the events that fire will still be prefixed, so we need
    // to check if the un-prefixed events are usable, and if not remove them from the map.

if (!('AnimationEvent' in window)) {
      delete vendorPrefixes.animationend.animation;
      delete vendorPrefixes.animationiteration.animation;
      delete vendorPrefixes.animationstart.animation;
    } // Same as above

if (!('TransitionEvent' in window)) {
      delete vendorPrefixes.transitionend.transition;
    }
  }
  /**
   * Attempts to determine the correct vendor prefixed event name.
   *
   * @param {string} eventName
   * @returns {string}
   */

function getVendorPrefixedEventName(eventName) {
    if (prefixedEventNames[eventName]) {
      return prefixedEventNames[eventName];
    } else if (!vendorPrefixes[eventName]) {
      return eventName;
    }

var prefixMap = vendorPrefixes[eventName];

for (var styleProp in prefixMap) {
      if (prefixMap.hasOwnProperty(styleProp) && styleProp in style) {
        return prefixedEventNames[eventName] = prefixMap[styleProp];
      }
    }

return eventName;
  }

/**
   * To identify top level events in ReactDOM, we use constants defined by this
   * module. This is the only module that uses the unsafe* methods to express
   * that the constants actually correspond to the browser event names. This lets
   * us save some bundle size by avoiding a top level type -> event name map.
   * The rest of ReactDOM code should import top level types from this file.
   */

var TOP_ABORT = unsafeCastStringToDOMTopLevelType('abort');
  var TOP_ANIMATION_END = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('animationend'));
  var TOP_ANIMATION_ITERATION = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('animationiteration'));
  var TOP_ANIMATION_START = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('animationstart'));
  var TOP_BLUR = unsafeCastStringToDOMTopLevelType('blur');
  var TOP_CAN_PLAY = unsafeCastStringToDOMTopLevelType('canplay');
  var TOP_CAN_PLAY_THROUGH = unsafeCastStringToDOMTopLevelType('canplaythrough');
  var TOP_CANCEL = unsafeCastStringToDOMTopLevelType('cancel');
  var TOP_CHANGE = unsafeCastStringToDOMTopLevelType('change');
  var TOP_CLICK = unsafeCastStringToDOMTopLevelType('click');
  var TOP_CLOSE = unsafeCastStringToDOMTopLevelType('close');
  var TOP_COMPOSITION_END = unsafeCastStringToDOMTopLevelType('compositionend');
  var TOP_COMPOSITION_START = unsafeCastStringToDOMTopLevelType('compositionstart');
  var TOP_COMPOSITION_UPDATE = unsafeCastStringToDOMTopLevelType('compositionupdate');
  var TOP_CONTEXT_MENU = unsafeCastStringToDOMTopLevelType('contextmenu');
  var TOP_COPY = unsafeCastStringToDOMTopLevelType('copy');
  var TOP_CUT = unsafeCastStringToDOMTopLevelType('cut');
  var TOP_DOUBLE_CLICK = unsafeCastStringToDOMTopLevelType('dblclick');
  var TOP_AUX_CLICK = unsafeCastStringToDOMTopLevelType('auxclick');
  var TOP_DRAG = unsafeCastStringToDOMTopLevelType('drag');
  var TOP_DRAG_END = unsafeCastStringToDOMTopLevelType('dragend');
  var TOP_DRAG_ENTER = unsafeCastStringToDOMTopLevelType('dragenter');
  var TOP_DRAG_EXIT = unsafeCastStringToDOMTopLevelType('dragexit');
  var TOP_DRAG_LEAVE = unsafeCastStringToDOMTopLevelType('dragleave');
  var TOP_DRAG_OVER = unsafeCastStringToDOMTopLevelType('dragover');
  var TOP_DRAG_START = unsafeCastStringToDOMTopLevelType('dragstart');
  var TOP_DROP = unsafeCastStringToDOMTopLevelType('drop');
  var TOP_DURATION_CHANGE = unsafeCastStringToDOMTopLevelType('durationchange');
  var TOP_EMPTIED = unsafeCastStringToDOMTopLevelType('emptied');
  var TOP_ENCRYPTED = unsafeCastStringToDOMTopLevelType('encrypted');
  var TOP_ENDED = unsafeCastStringToDOMTopLevelType('ended');
  var TOP_ERROR = unsafeCastStringToDOMTopLevelType('error');
  var TOP_FOCUS = unsafeCastStringToDOMTopLevelType('focus');
  var TOP_GOT_POINTER_CAPTURE = unsafeCastStringToDOMTopLevelType('gotpointercapture');
  var TOP_INPUT = unsafeCastStringToDOMTopLevelType('input');
  var TOP_INVALID = unsafeCastStringToDOMTopLevelType('invalid');
  var TOP_KEY_DOWN = unsafeCastStringToDOMTopLevelType('keydown');
  var TOP_KEY_PRESS = unsafeCastStringToDOMTopLevelType('keypress');
  var TOP_KEY_UP = unsafeCastStringToDOMTopLevelType('keyup');
  var TOP_LOAD = unsafeCastStringToDOMTopLevelType('load');
  var TOP_LOAD_START = unsafeCastStringToDOMTopLevelType('loadstart');
  var TOP_LOADED_DATA = unsafeCastStringToDOMTopLevelType('loadeddata');
  var TOP_LOADED_METADATA = unsafeCastStringToDOMTopLevelType('loadedmetadata');
  var TOP_LOST_POINTER_CAPTURE = unsafeCastStringToDOMTopLevelType('lostpointercapture');
  var TOP_MOUSE_DOWN = unsafeCastStringToDOMTopLevelType('mousedown');
  var TOP_MOUSE_MOVE = unsafeCastStringToDOMTopLevelType('mousemove');
  var TOP_MOUSE_OUT = unsafeCastStringToDOMTopLevelType('mouseout');
  var TOP_MOUSE_OVER = unsafeCastStringToDOMTopLevelType('mouseover');
  var TOP_MOUSE_UP = unsafeCastStringToDOMTopLevelType('mouseup');
  var TOP_PASTE = unsafeCastStringToDOMTopLevelType('paste');
  var TOP_PAUSE = unsafeCastStringToDOMTopLevelType('pause');
  var TOP_PLAY = unsafeCastStringToDOMTopLevelType('play');
  var TOP_PLAYING = unsafeCastStringToDOMTopLevelType('playing');
  var TOP_POINTER_CANCEL = unsafeCastStringToDOMTopLevelType('pointercancel');
  var TOP_POINTER_DOWN = unsafeCastStringToDOMTopLevelType('pointerdown');
  var TOP_POINTER_MOVE = unsafeCastStringToDOMTopLevelType('pointermove');
  var TOP_POINTER_OUT = unsafeCastStringToDOMTopLevelType('pointerout');
  var TOP_POINTER_OVER = unsafeCastStringToDOMTopLevelType('pointerover');
  var TOP_POINTER_UP = unsafeCastStringToDOMTopLevelType('pointerup');
  var TOP_PROGRESS = unsafeCastStringToDOMTopLevelType('progress');
  var TOP_RATE_CHANGE = unsafeCastStringToDOMTopLevelType('ratechange');
  var TOP_RESET = unsafeCastStringToDOMTopLevelType('reset');
  var TOP_SCROLL = unsafeCastStringToDOMTopLevelType('scroll');
  var TOP_SEEKED = unsafeCastStringToDOMTopLevelType('seeked');
  var TOP_SEEKING = unsafeCastStringToDOMTopLevelType('seeking');
  var TOP_SELECTION_CHANGE = unsafeCastStringToDOMTopLevelType('selectionchange');
  var TOP_STALLED = unsafeCastStringToDOMTopLevelType('stalled');
  var TOP_SUBMIT = unsafeCastStringToDOMTopLevelType('submit');
  var TOP_SUSPEND = unsafeCastStringToDOMTopLevelType('suspend');
  var TOP_TEXT_INPUT = unsafeCastStringToDOMTopLevelType('textInput');
  var TOP_TIME_UPDATE = unsafeCastStringToDOMTopLevelType('timeupdate');
  var TOP_TOGGLE = unsafeCastStringToDOMTopLevelType('toggle');
  var TOP_TOUCH_CANCEL = unsafeCastStringToDOMTopLevelType('touchcancel');
  var TOP_TOUCH_END = unsafeCastStringToDOMTopLevelType('touchend');
  var TOP_TOUCH_MOVE = unsafeCastStringToDOMTopLevelType('touchmove');
  var TOP_TOUCH_START = unsafeCastStringToDOMTopLevelType('touchstart');
  var TOP_TRANSITION_END = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('transitionend'));
  var TOP_VOLUME_CHANGE = unsafeCastStringToDOMTopLevelType('volumechange');
  var TOP_WAITING = unsafeCastStringToDOMTopLevelType('waiting');
  var TOP_WHEEL = unsafeCastStringToDOMTopLevelType('wheel'); // List of events that need to be individually attached to media elements.
  // Note that events in this list will *not* be listened to at the top level
  // unless they're explicitly whitelisted in `ReactBrowserEventEmitter.listenTo`.

var mediaEventTypes = [TOP_ABORT, TOP_CAN_PLAY, TOP_CAN_PLAY_THROUGH, TOP_DURATION_CHANGE, TOP_EMPTIED, TOP_ENCRYPTED, TOP_ENDED, TOP_ERROR, TOP_LOADED_DATA, TOP_LOADED_METADATA, TOP_LOAD_START, TOP_PAUSE, TOP_PLAY, TOP_PLAYING, TOP_PROGRESS, TOP_RATE_CHANGE, TOP_SEEKED, TOP_SEEKING, TOP_STALLED, TOP_SUSPEND, TOP_TIME_UPDATE, TOP_VOLUME_CHANGE, TOP_WAITING];
  function getRawEventName(topLevelType) {
    return unsafeCastDOMTopLevelTypeToString(topLevelType);
  }

var PossiblyWeakMap = typeof WeakMap === 'function' ? WeakMap : Map; // prettier-ignore

var elementListenerMap = new PossiblyWeakMap();
  function getListenerMapForElement(element) {
    var listenerMap = elementListenerMap.get(element);

if (listenerMap === undefined) {
      listenerMap = new Map();
      elementListenerMap.set(element, listenerMap);
    }

return listenerMap;
  }

/**
   * `ReactInstanceMap` maintains a mapping from a public facing stateful
   * instance (key) and the internal representation (value). This allows public
   * methods to accept the user facing instance as an argument and map them back
   * to internal methods.
   *
   * Note that this module is currently shared and assumed to be stateless.
   * If this becomes an actual Map, that will break.
   */
  function get(key) {
    return key._reactInternalFiber;
  }
  function has$1(key) {
    return key._reactInternalFiber !== undefined;
  }
  function set(key, value) {
    key._reactInternalFiber = value;
  }

// Don't change these two values. They're used by React Dev Tools.
  var NoEffect =
  /*              */
  0;
  var PerformedWork =
  /*         */
  1; // You can change the rest (and add more).

var Placement =
  /*             */
  2;
  var Update =
  /*                */
  4;
  var PlacementAndUpdate =
  /*    */
  6;
  var Deletion =
  /*              */
  8;
  var ContentReset =
  /*          */
  16;
  var Callback =
  /*              */
  32;
  var DidCapture =
  /*            */
  64;
  var Ref =
  /*                   */
  128;
  var Snapshot =
  /*              */
  256;
  var Passive =
  /*               */
  512;
  var Hydrating =
  /*             */
  1024;
  var HydratingAndUpdate =
  /*    */
  1028; // Passive & Update & Callback & Ref & Snapshot

var LifecycleEffectMask =
  /*   */
  932; // Union of all host effects

var HostEffectMask =
  /*        */
  2047;
  var Incomplete =
  /*            */
  2048;
  var ShouldCapture =
  /*         */
  4096;

var ReactCurrentOwner = ReactSharedInternals.ReactCurrentOwner;
  function getNearestMountedFiber(fiber) {
    var node = fiber;
    var nearestMounted = fiber;

if (!fiber.alternate) {
      // If there is no alternate, this might be a new tree that isn't inserted
      // yet. If it is, then it will have a pending insertion effect on it.
      var nextNode = node;

do {
        node = nextNode;

if ((node.effectTag & (Placement | Hydrating)) !== NoEffect) {
          // This is an insertion or in-progress hydration. The nearest possible
          // mounted fiber is the parent but we need to continue to figure out
          // if that one is still mounted.
          nearestMounted = node.return;
        }

nextNode = node.return;
      } while (nextNode);
    } else {
      while (node.return) {
        node = node.return;
      }
    }

if (node.tag === HostRoot) {
      // TODO: Check if this was a nested HostRoot when used with
      // renderContainerIntoSubtree.
      return nearestMounted;
    } // If we didn't hit the root, that means that we're in an disconnected tree
    // that has been unmounted.

return null;
  }
  function getSuspenseInstanceFromFiber(fiber) {
    if (fiber.tag === SuspenseComponent) {
      var suspenseState = fiber.memoizedState;

if (suspenseState === null) {
        var current = fiber.alternate;

if (current !== null) {
          suspenseState = current.memoizedState;
        }
      }

if (suspenseState !== null) {
        return suspenseState.dehydrated;
      }
    }

return null;
  }
  function getContainerFromFiber(fiber) {
    return fiber.tag === HostRoot ? fiber.stateNode.containerInfo : null;
  }
  function isFiberMounted(fiber) {
    return getNearestMountedFiber(fiber) === fiber;
  }
  function isMounted(component) {
    {
      var owner = ReactCurrentOwner.current;

if (owner !== null && owner.tag === ClassComponent) {
        var ownerFiber = owner;
        var instance = ownerFiber.stateNode;

if (!instance._warnedAboutRefsInRender) {
          error('%s is accessing isMounted inside its render() function. ' + 'render() should be a pure function of props and state. It should ' + 'never access something that requires stale data from the previous ' + 'render, such as refs. Move this logic to componentDidMount and ' + 'componentDidUpdate instead.', getComponentName(ownerFiber.type) || 'A component');
        }

instance._warnedAboutRefsInRender = true;
      }
    }

var fiber = get(component);

if (!fiber) {
      return false;
    }

return getNearestMountedFiber(fiber) === fiber;
  }

function assertIsMounted(fiber) {
    if (!(getNearestMountedFiber(fiber) === fiber)) {
      {
        throw Error( "Unable to find node on an unmounted component." );
      }
    }
  }

function findCurrentFiberUsingSlowPath(fiber) {
    var alternate = fiber.alternate;

if (!alternate) {
      // If there is no alternate, then we only need to check if it is mounted.
      var nearestMounted = getNearestMountedFiber(fiber);

if (!(nearestMounted !== null)) {
        {
          throw Error( "Unable to find node on an unmounted component." );
        }
      }

if (nearestMounted !== fiber) {
        return null;
      }

return fiber;
    } // If we have two possible branches, we'll walk backwards up to the root
    // to see what path the root points to. On the way we may hit one of the
    // special cases and we'll deal with them.

var a = fiber;
    var b = alternate;

while (true) {
      var parentA = a.return;

if (parentA === null) {
        // We're at the root.
        break;
      }

var parentB = parentA.alternate;

if (parentB === null) {
        // There is no alternate. This is an unusual case. Currently, it only
        // happens when a Suspense component is hidden. An extra fragment fiber
        // is inserted in between the Suspense fiber and its children. Skip
        // over this extra fragment fiber and proceed to the next parent.
        var nextParent = parentA.return;

if (nextParent !== null) {
          a = b = nextParent;
          continue;
        } // If there's no parent, we're at the root.

break;
      } // If both copies of the parent fiber point to the same child, we can
      // assume that the child is current. This happens when we bailout on low
      // priority: the bailed out fiber's child reuses the current child.

if (parentA.child === parentB.child) {
        var child = parentA.child;

while (child) {
          if (child === a) {
            // We've determined that A is the current branch.
            assertIsMounted(parentA);
            return fiber;
          }

if (child === b) {
            // We've determined that B is the current branch.
            assertIsMounted(parentA);
            return alternate;
          }

child = child.sibling;
        } // We should never have an alternate for any mounting node. So the only
        // way this could possibly happen is if this was unmounted, if at all.

{
          {
            throw Error( "Unable to find node on an unmounted component." );
          }
        }
      }

if (a.return !== b.return) {
        // The return pointer of A and the return pointer of B point to different
        // fibers. We assume that return pointers never criss-cross, so A must
        // belong to the child set of A.return, and B must belong to the child
        // set of B.return.
        a = parentA;
        b = parentB;
      } else {
        // The return pointers point to the same fiber. We'll have to use the
        // default, slow path: scan the child sets of each parent alternate to see
        // which child belongs to which set.
        //
        // Search parent A's child set
        var didFindChild = false;
        var _child = parentA.child;

while (_child) {
          if (_child === a) {
            didFindChild = true;
            a = parentA;
            b = parentB;
            break;
          }

if (_child === b) {
            didFindChild = true;
            b = parentA;
            a = parentB;
            break;
          }

_child = _child.sibling;
        }

if (!didFindChild) {
          // Search parent B's child set
          _child = parentB.child;

while (_child) {
            if (_child === a) {
              didFindChild = true;
              a = parentB;
              b = parentA;
              break;
            }

if (_child === b) {
              didFindChild = true;
              b = parentB;
              a = parentA;
              break;
            }

_child = _child.sibling;
          }

if (!didFindChild) {
            {
              throw Error( "Child was not found in either parent set. This indicates a bug in React related to the return pointer. Please file an issue." );
            }
          }
        }
      }

if (!(a.alternate === b)) {
        {
          throw Error( "Return fibers should always be each others' alternates. This error is likely caused by a bug in React. Please file an issue." );
        }
      }
    } // If the root is not a host container, we're in a disconnected tree. I.e.
    // unmounted.

if (!(a.tag === HostRoot)) {
      {
        throw Error( "Unable to find node on an unmounted component." );
      }
    }

if (a.stateNode.current === a) {
      // We've determined that A is the current branch.
      return fiber;
    } // Otherwise B has to be current branch.

return alternate;
  }
  function findCurrentHostFiber(parent) {
    var currentParent = findCurrentFiberUsingSlowPath(parent);

if (!currentParent) {
      return null;
    } // Next we'll drill down this component to find the first HostComponent/Text.

var node = currentParent;

while (true) {
      if (node.tag === HostComponent || node.tag === HostText) {
        return node;
      } else if (node.child) {
        node.child.return = node;
        node = node.child;
        continue;
      }

if (node === currentParent) {
        return null;
      }

while (!node.sibling) {
        if (!node.return || node.return === currentParent) {
          return null;
        }

node = node.return;
      }

node.sibling.return = node.return;
      node = node.sibling;
    } // Flow needs the return null here, but ESLint complains about it.
    // eslint-disable-next-line no-unreachable

return null;
  }
  function findCurrentHostFiberWithNoPortals(parent) {
    var currentParent = findCurrentFiberUsingSlowPath(parent);

if (!currentParent) {
      return null;
    } // Next we'll drill down this component to find the first HostComponent/Text.

var node = currentParent;

while (true) {
      if (node.tag === HostComponent || node.tag === HostText || enableFundamentalAPI ) {
        return node;
      } else if (node.child && node.tag !== HostPortal) {
        node.child.return = node;
        node = node.child;
        continue;
      }

if (node === currentParent) {
        return null;
      }

while (!node.sibling) {
        if (!node.return || node.return === currentParent) {
          return null;
        }

node = node.return;
      }

node.sibling.return = node.return;
      node = node.sibling;
    } // Flow needs the return null here, but ESLint complains about it.
    // eslint-disable-next-line no-unreachable

return null;
  }

/**
   * Accumulates items that must not be null or undefined into the first one. This
   * is used to conserve memory by avoiding array allocations, and thus sacrifices
   * API cleanness. Since `current` can be null before being passed in and not
   * null after this function, make sure to assign it back to `current`:
   *
   * `a = accumulateInto(a, b);`
   *
   * This API should be sparingly used. Try `accumulate` for something cleaner.
   *
   * @return {*|array<*>} An accumulation of items.
   */

function accumulateInto(current, next) {
    if (!(next != null)) {
      {
        throw Error( "accumulateInto(...): Accumulated items must not be null or undefined." );
      }
    }

if (current == null) {
      return next;
    } // Both are not empty. Warning: Never call x.concat(y) when you are not
    // certain that x is an Array (x could be a string with concat method).

if (Array.isArray(current)) {
      if (Array.isArray(next)) {
        current.push.apply(current, next);
        return current;
      }

current.push(next);
      return current;
    }

if (Array.isArray(next)) {
      // A bit too dangerous to mutate `next`.
      return [current].concat(next);
    }

return [current, next];
  }

/**
   * @param {array} arr an "accumulation" of items which is either an Array or
   * a single item. Useful when paired with the `accumulate` module. This is a
   * simple utility that allows us to reason about a collection of items, but
   * handling the case when there is exactly one item (and we do not need to
   * allocate an array).
   * @param {function} cb Callback invoked with each element or a collection.
   * @param {?} [scope] Scope used as `this` in a callback.
   */
  function forEachAccumulated(arr, cb, scope) {
    if (Array.isArray(arr)) {
      arr.forEach(cb, scope);
    } else if (arr) {
      cb.call(scope, arr);
    }
  }

/**
   * Internal queue of events that have accumulated their dispatches and are
   * waiting to have their dispatches executed.
   */

var eventQueue = null;
  /**
   * Dispatches an event and releases it back into the pool, unless persistent.
   *
   * @param {?object} event Synthetic event to be dispatched.
   * @private
   */

var executeDispatchesAndRelease = function (event) {
    if (event) {
      executeDispatchesInOrder(event);

if (!event.isPersistent()) {
        event.constructor.release(event);
      }
    }
  };

var executeDispatchesAndReleaseTopLevel = function (e) {
    return executeDispatchesAndRelease(e);
  };

function runEventsInBatch(events) {
    if (events !== null) {
      eventQueue = accumulateInto(eventQueue, events);
    } // Set `eventQueue` to null before processing it so that we can tell if more
    // events get enqueued while processing.

var processingEventQueue = eventQueue;
    eventQueue = null;

if (!processingEventQueue) {
      return;
    }

forEachAccumulated(processingEventQueue, executeDispatchesAndReleaseTopLevel);

if (!!eventQueue) {
      {
        throw Error( "processEventQueue(): Additional events were enqueued while processing an event queue. Support for this has not yet been implemented." );
      }
    } // This would be a good time to rethrow if any of the event handlers threw.

rethrowCaughtError();
  }

/**
   * Gets the target node from a native browser event by accounting for
   * inconsistencies in browser DOM APIs.
   *
   * @param {object} nativeEvent Native browser event.
   * @return {DOMEventTarget} Target node.
   */

function getEventTarget(nativeEvent) {
    // Fallback to nativeEvent.srcElement for IE9
    // https://github.com/facebook/react/issues/12506
    var target = nativeEvent.target || nativeEvent.srcElement || window; // Normalize SVG <use> element events #4963

if (target.correspondingUseElement) {
      target = target.correspondingUseElement;
    } // Safari may fire events on text nodes (Node.TEXT_NODE is 3).
    // @see http://www.quirksmode.org/js/events_properties.html

return target.nodeType === TEXT_NODE ? target.parentNode : target;
  }

/**
   * Checks if an event is supported in the current execution environment.
   *
   * NOTE: This will not work correctly for non-generic events such as `change`,
   * `reset`, `load`, `error`, and `select`.
   *
   * Borrows from Modernizr.
   *
   * @param {string} eventNameSuffix Event name, e.g. "click".
   * @return {boolean} True if the event is supported.
   * @internal
   * @license Modernizr 3.0.0pre (Custom Build) | MIT
   */

function isEventSupported(eventNameSuffix) {
    if (!canUseDOM) {
      return false;
    }

var eventName = 'on' + eventNameSuffix;
    var isSupported = eventName in document;

if (!isSupported) {
      var element = document.createElement('div');
      element.setAttribute(eventName, 'return;');
      isSupported = typeof element[eventName] === 'function';
    }

return isSupported;
  }

/**
   * Summary of `DOMEventPluginSystem` event handling:
   *
   *  - Top-level delegation is used to trap most native browser events. This
   *    may only occur in the main thread and is the responsibility of
   *    ReactDOMEventListener, which is injected and can therefore support
   *    pluggable event sources. This is the only work that occurs in the main
   *    thread.
   *
   *  - We normalize and de-duplicate events to account for browser quirks. This
   *    may be done in the worker thread.
   *
   *  - Forward these native events (with the associated top-level type used to
   *    trap it) to `EventPluginRegistry`, which in turn will ask plugins if they want
   *    to extract any synthetic events.
   *
   *  - The `EventPluginRegistry` will then process each event by annotating them with
   *    "dispatches", a sequence of listeners and IDs that care about that event.
   *
   *  - The `EventPluginRegistry` then dispatches the events.
   *
   * Overview of React and the event system:
   *
   * +------------+    .
   * |    DOM     |    .
   * +------------+    .
   *       |           .
   *       v           .
   * +------------+    .
   * | ReactEvent |    .
   * |  Listener  |    .
   * +------------+    .                         +-----------+
   *       |           .               +--------+|SimpleEvent|
   *       |           .               |         |Plugin     |
   * +-----|------+    .               v         +-----------+
   * |     |      |    .    +--------------+                    +------------+
   * |     +-----------.--->|PluginRegistry|                    |    Event   |
   * |            |    .    |              |     +-----------+  | Propagators|
   * | ReactEvent |    .    |              |     |TapEvent   |  |------------|
   * |  Emitter   |    .    |              |<---+|Plugin     |  |other plugin|
   * |            |    .    |              |     +-----------+  |  utilities |
   * |     +-----------.--->|              |                    +------------+
   * |     |      |    .    +--------------+
   * +-----|------+    .                ^        +-----------+
   *       |           .                |        |Enter/Leave|
   *       +           .                +-------+|Plugin     |
   * +-------------+   .                         +-----------+
   * | application |   .
   * |-------------|   .
   * |             |   .
   * |             |   .
   * +-------------+   .
   *                   .
   *    React Core     .  General Purpose Event Plugin System
   */

var CALLBACK_BOOKKEEPING_POOL_SIZE = 10;
  var callbackBookkeepingPool = [];

function releaseTopLevelCallbackBookKeeping(instance) {
    instance.topLevelType = null;
    instance.nativeEvent = null;
    instance.targetInst = null;
    instance.ancestors.length = 0;

if (callbackBookkeepingPool.length < CALLBACK_BOOKKEEPING_POOL_SIZE) {
      callbackBookkeepingPool.push(instance);
    }
  } // Used to store ancestor hierarchy in top level callback

function getTopLevelCallbackBookKeeping(topLevelType, nativeEvent, targetInst, eventSystemFlags) {
    if (callbackBookkeepingPool.length) {
      var instance = callbackBookkeepingPool.pop();
      instance.topLevelType = topLevelType;
      instance.eventSystemFlags = eventSystemFlags;
      instance.nativeEvent = nativeEvent;
      instance.targetInst = targetInst;
      return instance;
    }

return {
      topLevelType: topLevelType,
      eventSystemFlags: eventSystemFlags,
      nativeEvent: nativeEvent,
      targetInst: targetInst,
      ancestors: []
    };
  }
  /**
   * Find the deepest React component completely containing the root of the
   * passed-in instance (for use when entire React trees are nested within each
   * other). If React trees are not nested, returns null.
   */

function findRootContainerNode(inst) {
    if (inst.tag === HostRoot) {
      return inst.stateNode.containerInfo;
    } // TODO: It may be a good idea to cache this to prevent unnecessary DOM
    // traversal, but caching is difficult to do correctly without using a
    // mutation observer to listen for all DOM changes.

while (inst.return) {
      inst = inst.return;
    }

if (inst.tag !== HostRoot) {
      // This can happen if we're in a detached tree.
      return null;
    }

return inst.stateNode.containerInfo;
  }
  /**
   * Allows registered plugins an opportunity to extract events from top-level
   * native browser events.
   *
   * @return {*} An accumulation of synthetic events.
   * @internal
   */

function extractPluginEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget, eventSystemFlags) {
    var events = null;

for (var i = 0; i < plugins.length; i++) {
      // Not every plugin in the ordering may be loaded at runtime.
      var possiblePlugin = plugins[i];

if (possiblePlugin) {
        var extractedEvents = possiblePlugin.extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget, eventSystemFlags);

if (extractedEvents) {
          events = accumulateInto(events, extractedEvents);
        }
      }
    }

return events;
  }

function runExtractedPluginEventsInBatch(topLevelType, targetInst, nativeEvent, nativeEventTarget, eventSystemFlags) {
    var events = extractPluginEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget, eventSystemFlags);
    runEventsInBatch(events);
  }

function handleTopLevel(bookKeeping) {
    var targetInst = bookKeeping.targetInst; // Loop through the hierarchy, in case there's any nested components.
    // It's important that we build the array of ancestors before calling any
    // event handlers, because event handlers can modify the DOM, leading to
    // inconsistencies with ReactMount's node cache. See #1105.

var ancestor = targetInst;

do {
      if (!ancestor) {
        var ancestors = bookKeeping.ancestors;
        ancestors.push(ancestor);
        break;
      }

var root = findRootContainerNode(ancestor);

if (!root) {
        break;
      }

var tag = ancestor.tag;

if (tag === HostComponent || tag === HostText) {
        bookKeeping.ancestors.push(ancestor);
      }

ancestor = getClosestInstanceFromNode(root);
    } while (ancestor);

for (var i = 0; i < bookKeeping.ancestors.length; i++) {
      targetInst = bookKeeping.ancestors[i];
      var eventTarget = getEventTarget(bookKeeping.nativeEvent);
      var topLevelType = bookKeeping.topLevelType;
      var nativeEvent = bookKeeping.nativeEvent;
      var eventSystemFlags = bookKeeping.eventSystemFlags; // If this is the first ancestor, we mark it on the system flags

if (i === 0) {
        eventSystemFlags |= IS_FIRST_ANCESTOR;
      }

runExtractedPluginEventsInBatch(topLevelType, targetInst, nativeEvent, eventTarget, eventSystemFlags);
    }
  }

function dispatchEventForLegacyPluginEventSystem(topLevelType, eventSystemFlags, nativeEvent, targetInst) {
    var bookKeeping = getTopLevelCallbackBookKeeping(topLevelType, nativeEvent, targetInst, eventSystemFlags);

try {
      // Event queue being processed in the same cycle allows
      // `preventDefault`.
      batchedEventUpdates(handleTopLevel, bookKeeping);
    } finally {
      releaseTopLevelCallbackBookKeeping(bookKeeping);
    }
  }
  /**
   * We listen for bubbled touch events on the document object.
   *
   * Firefox v8.01 (and possibly others) exhibited strange behavior when
   * mounting `onmousemove` events at some node that was not the document
   * element. The symptoms were that if your mouse is not moving over something
   * contained within that mount point (for example on the background) the
   * top-level listeners for `onmousemove` won't be called. However, if you
   * register the `mousemove` on the document object, then it will of course
   * catch all `mousemove`s. This along with iOS quirks, justifies restricting
   * top-level listeners to the document object only, at least for these
   * movement types of events and possibly all events.
   *
   * @see http://www.quirksmode.org/blog/archives/2010/09/click_event_del.html
   *
   * Also, `keyup`/`keypress`/`keydown` do not bubble to the window on IE, but
   * they bubble to document.
   *
   * @param {string} registrationName Name of listener (e.g. `onClick`).
   * @param {object} mountAt Container where to mount the listener
   */

function legacyListenToEvent(registrationName, mountAt) {
    var listenerMap = getListenerMapForElement(mountAt);
    var dependencies = registrationNameDependencies[registrationName];

for (var i = 0; i < dependencies.length; i++) {
      var dependency = dependencies[i];
      legacyListenToTopLevelEvent(dependency, mountAt, listenerMap);
    }
  }
  function legacyListenToTopLevelEvent(topLevelType, mountAt, listenerMap) {
    if (!listenerMap.has(topLevelType)) {
      switch (topLevelType) {
        case TOP_SCROLL:
          trapCapturedEvent(TOP_SCROLL, mountAt);
          break;

case TOP_FOCUS:
        case TOP_BLUR:
          trapCapturedEvent(TOP_FOCUS, mountAt);
          trapCapturedEvent(TOP_BLUR, mountAt); // We set the flag for a single dependency later in this function,
          // but this ensures we mark both as attached rather than just one.

listenerMap.set(TOP_BLUR, null);
          listenerMap.set(TOP_FOCUS, null);
          break;

case TOP_CANCEL:
        case TOP_CLOSE:
          if (isEventSupported(getRawEventName(topLevelType))) {
            trapCapturedEvent(topLevelType, mountAt);
          }

break;

case TOP_INVALID:
        case TOP_SUBMIT:
        case TOP_RESET:
          // We listen to them on the target DOM elements.
          // Some of them bubble so we don't want them to fire twice.
          break;

default:
          // By default, listen on the top level to all non-media events.
          // Media events don't bubble so adding the listener wouldn't do anything.
          var isMediaEvent = mediaEventTypes.indexOf(topLevelType) !== -1;

if (!isMediaEvent) {
            trapBubbledEvent(topLevelType, mountAt);
          }

break;
      }

listenerMap.set(topLevelType, null);
    }
  }
  function isListeningToAllDependencies(registrationName, mountAt) {
    var listenerMap = getListenerMapForElement(mountAt);
    var dependencies = registrationNameDependencies[registrationName];

for (var i = 0; i < dependencies.length; i++) {
      var dependency = dependencies[i];

if (!listenerMap.has(dependency)) {
        return false;
      }
    }

return true;
  }

var attemptUserBlockingHydration;
  function setAttemptUserBlockingHydration(fn) {
    attemptUserBlockingHydration = fn;
  }
  var attemptContinuousHydration;
  function setAttemptContinuousHydration(fn) {
    attemptContinuousHydration = fn;
  }
  var attemptHydrationAtCurrentPriority;
  function setAttemptHydrationAtCurrentPriority(fn) {
    attemptHydrationAtCurrentPriority = fn;
  } // TODO: Upgrade this definition once we're on a newer version of Flow that
  var hasScheduledReplayAttempt = false; // The queue of discrete events to be replayed.

var queuedDiscreteEvents = []; // Indicates if any continuous event targets are non-null for early bailout.
  // if the last target was dehydrated.

var queuedFocus = null;
  var queuedDrag = null;
  var queuedMouse = null; // For pointer events there can be one latest event per pointerId.

var queuedPointers = new Map();
  var queuedPointerCaptures = new Map(); // We could consider replaying selectionchange and touchmoves too.

var queuedExplicitHydrationTargets = [];
  function hasQueuedDiscreteEvents() {
    return queuedDiscreteEvents.length > 0;
  }
  var discreteReplayableEvents = [TOP_MOUSE_DOWN, TOP_MOUSE_UP, TOP_TOUCH_CANCEL, TOP_TOUCH_END, TOP_TOUCH_START, TOP_AUX_CLICK, TOP_DOUBLE_CLICK, TOP_POINTER_CANCEL, TOP_POINTER_DOWN, TOP_POINTER_UP, TOP_DRAG_END, TOP_DRAG_START, TOP_DROP, TOP_COMPOSITION_END, TOP_COMPOSITION_START, TOP_KEY_DOWN, TOP_KEY_PRESS, TOP_KEY_UP, TOP_INPUT, TOP_TEXT_INPUT, TOP_CLOSE, TOP_CANCEL, TOP_COPY, TOP_CUT, TOP_PASTE, TOP_CLICK, TOP_CHANGE, TOP_CONTEXT_MENU, TOP_RESET, TOP_SUBMIT];
  var continuousReplayableEvents = [TOP_FOCUS, TOP_BLUR, TOP_DRAG_ENTER, TOP_DRAG_LEAVE, TOP_MOUSE_OVER, TOP_MOUSE_OUT, TOP_POINTER_OVER, TOP_POINTER_OUT, TOP_GOT_POINTER_CAPTURE, TOP_LOST_POINTER_CAPTURE];
  function isReplayableDiscreteEvent(eventType) {
    return discreteReplayableEvents.indexOf(eventType) > -1;
  }

function trapReplayableEventForDocument(topLevelType, document, listenerMap) {
    legacyListenToTopLevelEvent(topLevelType, document, listenerMap);
  }

function eagerlyTrapReplayableEvents(container, document) {
    var listenerMapForDoc = getListenerMapForElement(document); // Discrete

discreteReplayableEvents.forEach(function (topLevelType) {
      trapReplayableEventForDocument(topLevelType, document, listenerMapForDoc);
    }); // Continuous

continuousReplayableEvents.forEach(function (topLevelType) {
      trapReplayableEventForDocument(topLevelType, document, listenerMapForDoc);
    });
  }

function createQueuedReplayableEvent(blockedOn, topLevelType, eventSystemFlags, container, nativeEvent) {
    return {
      blockedOn: blockedOn,
      topLevelType: topLevelType,
      eventSystemFlags: eventSystemFlags | IS_REPLAYED,
      nativeEvent: nativeEvent,
      container: container
    };
  }

function queueDiscreteEvent(blockedOn, topLevelType, eventSystemFlags, container, nativeEvent) {
    var queuedEvent = createQueuedReplayableEvent(blockedOn, topLevelType, eventSystemFlags, container, nativeEvent);
    queuedDiscreteEvents.push(queuedEvent);
  } // Resets the replaying for this type of continuous event to no event.

function clearIfContinuousEvent(topLevelType, nativeEvent) {
    switch (topLevelType) {
      case TOP_FOCUS:
      case TOP_BLUR:
        queuedFocus = null;
        break;

case TOP_DRAG_ENTER:
      case TOP_DRAG_LEAVE:
        queuedDrag = null;
        break;

case TOP_MOUSE_OVER:
      case TOP_MOUSE_OUT:
        queuedMouse = null;
        break;

case TOP_POINTER_OVER:
      case TOP_POINTER_OUT:
        {
          var pointerId = nativeEvent.pointerId;
          queuedPointers.delete(pointerId);
          break;
        }

case TOP_GOT_POINTER_CAPTURE:
      case TOP_LOST_POINTER_CAPTURE:
        {
          var _pointerId = nativeEvent.pointerId;
          queuedPointerCaptures.delete(_pointerId);
          break;
        }
    }
  }

function accumulateOrCreateContinuousQueuedReplayableEvent(existingQueuedEvent, blockedOn, topLevelType, eventSystemFlags, container, nativeEvent) {
    if (existingQueuedEvent === null || existingQueuedEvent.nativeEvent !== nativeEvent) {
      var queuedEvent = createQueuedReplayableEvent(blockedOn, topLevelType, eventSystemFlags, container, nativeEvent);

if (blockedOn !== null) {
        var _fiber2 = getInstanceFromNode$1(blockedOn);

if (_fiber2 !== null) {
          // Attempt to increase the priority of this target.
          attemptContinuousHydration(_fiber2);
        }
      }

return queuedEvent;
    } // If we have already queued this exact event, then it's because
    // the different event systems have different DOM event listeners.
    // We can accumulate the flags and store a single event to be
    // replayed.

existingQueuedEvent.eventSystemFlags |= eventSystemFlags;
    return existingQueuedEvent;
  }

function queueIfContinuousEvent(blockedOn, topLevelType, eventSystemFlags, container, nativeEvent) {
    // These set relatedTarget to null because the replayed event will be treated as if we
    // moved from outside the window (no target) onto the target once it hydrates.
    // Instead of mutating we could clone the event.
    switch (topLevelType) {
      case TOP_FOCUS:
        {
          var focusEvent = nativeEvent;
          queuedFocus = accumulateOrCreateContinuousQueuedReplayableEvent(queuedFocus, blockedOn, topLevelType, eventSystemFlags, container, focusEvent);
          return true;
        }

case TOP_DRAG_ENTER:
        {
          var dragEvent = nativeEvent;
          queuedDrag = accumulateOrCreateContinuousQueuedReplayableEvent(queuedDrag, blockedOn, topLevelType, eventSystemFlags, container, dragEvent);
          return true;
        }

case TOP_MOUSE_OVER:
        {
          var mouseEvent = nativeEvent;
          queuedMouse = accumulateOrCreateContinuousQueuedReplayableEvent(queuedMouse, blockedOn, topLevelType, eventSystemFlags, container, mouseEvent);
          return true;
        }

case TOP_POINTER_OVER:
        {
          var pointerEvent = nativeEvent;
          var pointerId = pointerEvent.pointerId;
          queuedPointers.set(pointerId, accumulateOrCreateContinuousQueuedReplayableEvent(queuedPointers.get(pointerId) || null, blockedOn, topLevelType, eventSystemFlags, container, pointerEvent));
          return true;
        }

case TOP_GOT_POINTER_CAPTURE:
        {
          var _pointerEvent = nativeEvent;
          var _pointerId2 = _pointerEvent.pointerId;
          queuedPointerCaptures.set(_pointerId2, accumulateOrCreateContinuousQueuedReplayableEvent(queuedPointerCaptures.get(_pointerId2) || null, blockedOn, topLevelType, eventSystemFlags, container, _pointerEvent));
          return true;
        }
    }

return false;
  } // Check if this target is unblocked. Returns true if it's unblocked.

function attemptExplicitHydrationTarget(queuedTarget) {
    // TODO: This function shares a lot of logic with attemptToDispatchEvent.
    // Try to unify them. It's a bit tricky since it would require two return
    // values.
    var targetInst = getClosestInstanceFromNode(queuedTarget.target);

if (targetInst !== null) {
      var nearestMounted = getNearestMountedFiber(targetInst);

if (nearestMounted !== null) {
        var tag = nearestMounted.tag;

if (tag === SuspenseComponent) {
          var instance = getSuspenseInstanceFromFiber(nearestMounted);

if (instance !== null) {
            // We're blocked on hydrating this boundary.
            // Increase its priority.
            queuedTarget.blockedOn = instance;
            unstable_runWithPriority(queuedTarget.priority, function () {
              attemptHydrationAtCurrentPriority(nearestMounted);
            });
            return;
          }
        } else if (tag === HostRoot) {
          var root = nearestMounted.stateNode;

if (root.hydrate) {
            queuedTarget.blockedOn = getContainerFromFiber(nearestMounted); // We don't currently have a way to increase the priority of
            // a root other than sync.

return;
          }
        }
      }
    }

queuedTarget.blockedOn = null;
  }

function attemptReplayContinuousQueuedEvent(queuedEvent) {
    if (queuedEvent.blockedOn !== null) {
      return false;
    }

var nextBlockedOn = attemptToDispatchEvent(queuedEvent.topLevelType, queuedEvent.eventSystemFlags, queuedEvent.container, queuedEvent.nativeEvent);

if (nextBlockedOn !== null) {
      // We're still blocked. Try again later.
      var _fiber3 = getInstanceFromNode$1(nextBlockedOn);

if (_fiber3 !== null) {
        attemptContinuousHydration(_fiber3);
      }

queuedEvent.blockedOn = nextBlockedOn;
      return false;
    }

return true;
  }

function attemptReplayContinuousQueuedEventInMap(queuedEvent, key, map) {
    if (attemptReplayContinuousQueuedEvent(queuedEvent)) {
      map.delete(key);
    }
  }

function replayUnblockedEvents() {
    hasScheduledReplayAttempt = false; // First replay discrete events.

while (queuedDiscreteEvents.length > 0) {
      var nextDiscreteEvent = queuedDiscreteEvents[0];

if (nextDiscreteEvent.blockedOn !== null) {
        // We're still blocked.
        // Increase the priority of this boundary to unblock
        // the next discrete event.
        var _fiber4 = getInstanceFromNode$1(nextDiscreteEvent.blockedOn);

if (_fiber4 !== null) {
          attemptUserBlockingHydration(_fiber4);
        }

break;
      }

var nextBlockedOn = attemptToDispatchEvent(nextDiscreteEvent.topLevelType, nextDiscreteEvent.eventSystemFlags, nextDiscreteEvent.container, nextDiscreteEvent.nativeEvent);

if (nextBlockedOn !== null) {
        // We're still blocked. Try again later.
        nextDiscreteEvent.blockedOn = nextBlockedOn;
      } else {
        // We've successfully replayed the first event. Let's try the next one.
        queuedDiscreteEvents.shift();
      }
    } // Next replay any continuous events.

if (queuedFocus !== null && attemptReplayContinuousQueuedEvent(queuedFocus)) {
      queuedFocus = null;
    }

if (queuedDrag !== null && attemptReplayContinuousQueuedEvent(queuedDrag)) {
      queuedDrag = null;
    }

if (queuedMouse !== null && attemptReplayContinuousQueuedEvent(queuedMouse)) {
      queuedMouse = null;
    }

queuedPointers.forEach(attemptReplayContinuousQueuedEventInMap);
    queuedPointerCaptures.forEach(attemptReplayContinuousQueuedEventInMap);
  }

function scheduleCallbackIfUnblocked(queuedEvent, unblocked) {
    if (queuedEvent.blockedOn === unblocked) {
      queuedEvent.blockedOn = null;

if (!hasScheduledReplayAttempt) {
        hasScheduledReplayAttempt = true; // Schedule a callback to attempt replaying as many events as are
        // now unblocked. This first might not actually be unblocked yet.
        // We could check it early to avoid scheduling an unnecessary callback.

unstable_scheduleCallback(unstable_NormalPriority, replayUnblockedEvents);
      }
    }
  }

function retryIfBlockedOn(unblocked) {
    // Mark anything that was blocked on this as no longer blocked
    // and eligible for a replay.
    if (queuedDiscreteEvents.length > 0) {
      scheduleCallbackIfUnblocked(queuedDiscreteEvents[0], unblocked); // This is a exponential search for each boundary that commits. I think it's
      // worth it because we expect very few discrete events to queue up and once
      // we are actually fully unblocked it will be fast to replay them.

for (var i = 1; i < queuedDiscreteEvents.length; i++) {
        var queuedEvent = queuedDiscreteEvents[i];

if (queuedEvent.blockedOn === unblocked) {
          queuedEvent.blockedOn = null;
        }
      }
    }

if (queuedFocus !== null) {
      scheduleCallbackIfUnblocked(queuedFocus, unblocked);
    }

if (queuedDrag !== null) {
      scheduleCallbackIfUnblocked(queuedDrag, unblocked);
    }

if (queuedMouse !== null) {
      scheduleCallbackIfUnblocked(queuedMouse, unblocked);
    }

var unblock = function (queuedEvent) {
      return scheduleCallbackIfUnblocked(queuedEvent, unblocked);
    };

queuedPointers.forEach(unblock);
    queuedPointerCaptures.forEach(unblock);

for (var _i = 0; _i < queuedExplicitHydrationTargets.length; _i++) {
      var queuedTarget = queuedExplicitHydrationTargets[_i];

if (queuedTarget.blockedOn === unblocked) {
        queuedTarget.blockedOn = null;
      }
    }

while (queuedExplicitHydrationTargets.length > 0) {
      var nextExplicitTarget = queuedExplicitHydrationTargets[0];

if (nextExplicitTarget.blockedOn !== null) {
        // We're still blocked.
        break;
      } else {
        attemptExplicitHydrationTarget(nextExplicitTarget);

if (nextExplicitTarget.blockedOn === null) {
          // We're unblocked.
          queuedExplicitHydrationTargets.shift();
        }
      }
    }
  }

function addEventBubbleListener(element, eventType, listener) {
    element.addEventListener(eventType, listener, false);
  }
  function addEventCaptureListener(element, eventType, listener) {
    element.addEventListener(eventType, listener, true);
  }

// do it in two places, which duplicates logic
  // and increases the bundle size, we do it all
  // here once. If we remove or refactor the
  // SimpleEventPlugin, we should also remove or
  // update the below line.

var simpleEventPluginEventTypes = {};
  var topLevelEventsToDispatchConfig = new Map();
  var eventPriorities = new Map(); // We store most of the events in this module in pairs of two strings so we can re-use
  // the code required to apply the same logic for event prioritization and that of the
  // SimpleEventPlugin. This complicates things slightly, but the aim is to reduce code
  // duplication (for which there would be quite a bit). For the events that are not needed
  // for the SimpleEventPlugin (otherDiscreteEvents) we process them separately as an
  // array of top level events.
  // Lastly, we ignore prettier so we can keep the formatting sane.
  // prettier-ignore

var discreteEventPairsForSimpleEventPlugin = [TOP_BLUR, 'blur', TOP_CANCEL, 'cancel', TOP_CLICK, 'click', TOP_CLOSE, 'close', TOP_CONTEXT_MENU, 'contextMenu', TOP_COPY, 'copy', TOP_CUT, 'cut', TOP_AUX_CLICK, 'auxClick', TOP_DOUBLE_CLICK, 'doubleClick', TOP_DRAG_END, 'dragEnd', TOP_DRAG_START, 'dragStart', TOP_DROP, 'drop', TOP_FOCUS, 'focus', TOP_INPUT, 'input', TOP_INVALID, 'invalid', TOP_KEY_DOWN, 'keyDown', TOP_KEY_PRESS, 'keyPress', TOP_KEY_UP, 'keyUp', TOP_MOUSE_DOWN, 'mouseDown', TOP_MOUSE_UP, 'mouseUp', TOP_PASTE, 'paste', TOP_PAUSE, 'pause', TOP_PLAY, 'play', TOP_POINTER_CANCEL, 'pointerCancel', TOP_POINTER_DOWN, 'pointerDown', TOP_POINTER_UP, 'pointerUp', TOP_RATE_CHANGE, 'rateChange', TOP_RESET, 'reset', TOP_SEEKED, 'seeked', TOP_SUBMIT, 'submit', TOP_TOUCH_CANCEL, 'touchCancel', TOP_TOUCH_END, 'touchEnd', TOP_TOUCH_START, 'touchStart', TOP_VOLUME_CHANGE, 'volumeChange'];
  var otherDiscreteEvents = [TOP_CHANGE, TOP_SELECTION_CHANGE, TOP_TEXT_INPUT, TOP_COMPOSITION_START, TOP_COMPOSITION_END, TOP_COMPOSITION_UPDATE]; // prettier-ignore

var userBlockingPairsForSimpleEventPlugin = [TOP_DRAG, 'drag', TOP_DRAG_ENTER, 'dragEnter', TOP_DRAG_EXIT, 'dragExit', TOP_DRAG_LEAVE, 'dragLeave', TOP_DRAG_OVER, 'dragOver', TOP_MOUSE_MOVE, 'mouseMove', TOP_MOUSE_OUT, 'mouseOut', TOP_MOUSE_OVER, 'mouseOver', TOP_POINTER_MOVE, 'pointerMove', TOP_POINTER_OUT, 'pointerOut', TOP_POINTER_OVER, 'pointerOver', TOP_SCROLL, 'scroll', TOP_TOGGLE, 'toggle', TOP_TOUCH_MOVE, 'touchMove', TOP_WHEEL, 'wheel']; // prettier-ignore

function processTopEventPairsByPriority(eventTypes, priority) {
    for (var i = 0; i < eventTypes.length; i++) {
      eventPriorities.set(eventTypes[i], priority);
    }
  } // SimpleEventPlugin

processSimpleEventPluginPairsByPriority(discreteEventPairsForSimpleEventPlugin, DiscreteEvent);
  processSimpleEventPluginPairsByPriority(userBlockingPairsForSimpleEventPlugin, UserBlockingEvent);
  processSimpleEventPluginPairsByPriority(continuousPairsForSimpleEventPlugin, ContinuousEvent); // Not used by SimpleEventPlugin

processTopEventPairsByPriority(otherDiscreteEvents, DiscreteEvent);
  function getEventPriorityForPluginSystem(topLevelType) {
    var priority = eventPriorities.get(topLevelType); // Default to a ContinuousEvent. Note: we might
    // want to warn if we can't detect the priority
    // for the event.

return priority === undefined ? ContinuousEvent : priority;
  }

// Intentionally not named imports because Rollup would use dynamic dispatch for
  var UserBlockingPriority = unstable_UserBlockingPriority,
      runWithPriority = unstable_runWithPriority; // TODO: can we stop exporting these?

function trapEventForPluginEventSystem(container, topLevelType, capture) {
    var listener;

switch (getEventPriorityForPluginSystem(topLevelType)) {
      case DiscreteEvent:
        listener = dispatchDiscreteEvent.bind(null, topLevelType, PLUGIN_EVENT_SYSTEM, container);
        break;

case UserBlockingEvent:
        listener = dispatchUserBlockingUpdate.bind(null, topLevelType, PLUGIN_EVENT_SYSTEM, container);
        break;

case ContinuousEvent:
      default:
        listener = dispatchEvent.bind(null, topLevelType, PLUGIN_EVENT_SYSTEM, container);
        break;
    }

var rawEventName = getRawEventName(topLevelType);

if (capture) {
      addEventCaptureListener(container, rawEventName, listener);
    } else {
      addEventBubbleListener(container, rawEventName, listener);
    }
  }

function dispatchDiscreteEvent(topLevelType, eventSystemFlags, container, nativeEvent) {
    flushDiscreteUpdatesIfNeeded(nativeEvent.timeStamp);
    discreteUpdates(dispatchEvent, topLevelType, eventSystemFlags, container, nativeEvent);
  }

function dispatchUserBlockingUpdate(topLevelType, eventSystemFlags, container, nativeEvent) {
    runWithPriority(UserBlockingPriority, dispatchEvent.bind(null, topLevelType, eventSystemFlags, container, nativeEvent));
  }

function dispatchEvent(topLevelType, eventSystemFlags, container, nativeEvent) {
    if (!_enabled) {
      return;
    }

if (hasQueuedDiscreteEvents() && isReplayableDiscreteEvent(topLevelType)) {
      // If we already have a queue of discrete events, and this is another discrete
      // event, then we can't dispatch it regardless of its target, since they
      // need to dispatch in order.
      queueDiscreteEvent(null, // Flags that we're not actually blocked on anything as far as we know.
      topLevelType, eventSystemFlags, container, nativeEvent);
      return;
    }

var blockedOn = attemptToDispatchEvent(topLevelType, eventSystemFlags, container, nativeEvent);

if (blockedOn === null) {
      // We successfully dispatched this event.
      clearIfContinuousEvent(topLevelType, nativeEvent);
      return;
    }

if (isReplayableDiscreteEvent(topLevelType)) {
      // This this to be replayed later once the target is available.
      queueDiscreteEvent(blockedOn, topLevelType, eventSystemFlags, container, nativeEvent);
      return;
    }

if (queueIfContinuousEvent(blockedOn, topLevelType, eventSystemFlags, container, nativeEvent)) {
      return;
    } // We need to clear only if we didn't queue because
    // queueing is accummulative.

clearIfContinuousEvent(topLevelType, nativeEvent); // This is not replayable so we'll invoke it but without a target,
    // in case the event system needs to trace it.

{
      dispatchEventForLegacyPluginEventSystem(topLevelType, eventSystemFlags, nativeEvent, null);
    }
  } // Attempt dispatching an event. Returns a SuspenseInstance or Container if it's blocked.

function attemptToDispatchEvent(topLevelType, eventSystemFlags, container, nativeEvent) {
    // TODO: Warn if _enabled is false.
    var nativeEventTarget = getEventTarget(nativeEvent);
    var targetInst = getClosestInstanceFromNode(nativeEventTarget);

if (targetInst !== null) {
      var nearestMounted = getNearestMountedFiber(targetInst);

if (nearestMounted === null) {
        // This tree has been unmounted already. Dispatch without a target.
        targetInst = null;
      } else {
        var tag = nearestMounted.tag;

if (tag === SuspenseComponent) {
          var instance = getSuspenseInstanceFromFiber(nearestMounted);

if (instance !== null) {
            // Queue the event to be replayed later. Abort dispatching since we
            // don't want this event dispatched twice through the event system.
            // TODO: If this is the first discrete event in the queue. Schedule an increased
            // priority for this boundary.
            return instance;
          } // This shouldn't happen, something went wrong but to avoid blocking
          // the whole system, dispatch the event without a target.
          // TODO: Warn.

targetInst = null;
        } else if (tag === HostRoot) {
          var root = nearestMounted.stateNode;

if (root.hydrate) {
            // If this happens during a replay something went wrong and it might block
            // the whole system.
            return getContainerFromFiber(nearestMounted);
          }

targetInst = null;
        } else if (nearestMounted !== targetInst) {
          // If we get an event (ex: img onload) before committing that
          // component's mount, ignore it for now (that is, treat it as if it was an
          // event on a non-React tree). We might also consider queueing events and
          // dispatching them after the mount.
          targetInst = null;
        }
      }
    }

{
      dispatchEventForLegacyPluginEventSystem(topLevelType, eventSystemFlags, nativeEvent, targetInst);
    } // We're not blocked on anything.

return null;
  }

// List derived from Gecko source code:
  // https://github.com/mozilla/gecko-dev/blob/4e638efc71/layout/style/test/property_database.js
  var shorthandToLonghand = {
    animation: ['animationDelay', 'animationDirection', 'animationDuration', 'animationFillMode', 'animationIterationCount', 'animationName', 'animationPlayState', 'animationTimingFunction'],
    background: ['backgroundAttachment', 'backgroundClip', 'backgroundColor', 'backgroundImage', 'backgroundOrigin', 'backgroundPositionX', 'backgroundPositionY', 'backgroundRepeat', 'backgroundSize'],
    backgroundPosition: ['backgroundPositionX', 'backgroundPositionY'],
    border: ['borderBottomColor', 'borderBottomStyle', 'borderBottomWidth', 'borderImageOutset', 'borderImageRepeat', 'borderImageSlice', 'borderImageSource', 'borderImageWidth', 'borderLeftColor', 'borderLeftStyle', 'borderLeftWidth', 'borderRightColor', 'borderRightStyle', 'borderRightWidth', 'borderTopColor', 'borderTopStyle', 'borderTopWidth'],
    borderBlockEnd: ['borderBlockEndColor', 'borderBlockEndStyle', 'borderBlockEndWidth'],
    borderBlockStart: ['borderBlockStartColor', 'borderBlockStartStyle', 'borderBlockStartWidth'],
    borderBottom: ['borderBottomColor', 'borderBottomStyle', 'borderBottomWidth'],
    borderColor: ['borderBottomColor', 'borderLeftColor', 'borderRightColor', 'borderTopColor'],
    borderImage: ['borderImageOutset', 'borderImageRepeat', 'borderImageSlice', 'borderImageSource', 'borderImageWidth'],
    borderInlineEnd: ['borderInlineEndColor', 'borderInlineEndStyle', 'borderInlineEndWidth'],
    borderInlineStart: ['borderInlineStartColor', 'borderInlineStartStyle', 'borderInlineStartWidth'],
    borderLeft: ['borderLeftColor', 'borderLeftStyle', 'borderLeftWidth'],
    borderRadius: ['borderBottomLeftRadius', 'borderBottomRightRadius', 'borderTopLeftRadius', 'borderTopRightRadius'],
    borderRight: ['borderRightColor', 'borderRightStyle', 'borderRightWidth'],
    borderStyle: ['borderBottomStyle', 'borderLeftStyle', 'borderRightStyle', 'borderTopStyle'],
    borderTop: ['borderTopColor', 'borderTopStyle', 'borderTopWidth'],
    borderWidth: ['borderBottomWidth', 'borderLeftWidth', 'borderRightWidth', 'borderTopWidth'],
    columnRule: ['columnRuleColor', 'columnRuleStyle', 'columnRuleWidth'],
    columns: ['columnCount', 'columnWidth'],
    flex: ['flexBasis', 'flexGrow', 'flexShrink'],
    flexFlow: ['flexDirection', 'flexWrap'],
    font: ['fontFamily', 'fontFeatureSettings', 'fontKerning', 'fontLanguageOverride', 'fontSize', 'fontSizeAdjust', 'fontStretch', 'fontStyle', 'fontVariant', 'fontVariantAlternates', 'fontVariantCaps', 'fontVariantEastAsian', 'fontVariantLigatures', 'fontVariantNumeric', 'fontVariantPosition', 'fontWeight', 'lineHeight'],
    fontVariant: ['fontVariantAlternates', 'fontVariantCaps', 'fontVariantEastAsian', 'fontVariantLigatures', 'fontVariantNumeric', 'fontVariantPosition'],
    gap: ['columnGap', 'rowGap'],
    grid: ['gridAutoColumns', 'gridAutoFlow', 'gridAutoRows', 'gridTemplateAreas', 'gridTemplateColumns', 'gridTemplateRows'],
    gridArea: ['gridColumnEnd', 'gridColumnStart', 'gridRowEnd', 'gridRowStart'],
    gridColumn: ['gridColumnEnd', 'gridColumnStart'],
    gridColumnGap: ['columnGap'],
    gridGap: ['columnGap', 'rowGap'],
    gridRow: ['gridRowEnd', 'gridRowStart'],
    gridRowGap: ['rowGap'],
    gridTemplate: ['gridTemplateAreas', 'gridTemplateColumns', 'gridTemplateRows'],
    listStyle: ['listStyleImage', 'listStylePosition', 'listStyleType'],
    margin: ['marginBottom', 'marginLeft', 'marginRight', 'marginTop'],
    marker: ['markerEnd', 'markerMid', 'markerStart'],
    mask: ['maskClip', 'maskComposite', 'maskImage', 'maskMode', 'maskOrigin', 'maskPositionX', 'maskPositionY', 'maskRepeat', 'maskSize'],
    maskPosition: ['maskPositionX', 'maskPositionY'],
    outline: ['outlineColor', 'outlineStyle', 'outlineWidth'],
    overflow: ['overflowX', 'overflowY'],
    padding: ['paddingBottom', 'paddingLeft', 'paddingRight', 'paddingTop'],
    placeContent: ['alignContent', 'justifyContent'],
    placeItems: ['alignItems', 'justifyItems'],
    placeSelf: ['alignSelf', 'justifySelf'],
    textDecoration: ['textDecorationColor', 'textDecorationLine', 'textDecorationStyle'],
    textEmphasis: ['textEmphasisColor', 'textEmphasisStyle'],
    transition: ['transitionDelay', 'transitionDuration', 'transitionProperty', 'transitionTimingFunction'],
    wordWrap: ['overflowWrap']
  };

/**
   * CSS properties which accept numbers but are not in units of "px".
   */
  var isUnitlessNumber = {
    animationIterationCount: true,
    borderImageOutset: true,
    borderImageSlice: true,
    borderImageWidth: true,
    boxFlex: true,
    boxFlexGroup: true,
    boxOrdinalGroup: true,
    columnCount: true,
    columns: true,
    flex: true,
    flexGrow: true,
    flexPositive: true,
    flexShrink: true,
    flexNegative: true,
    flexOrder: true,
    gridArea: true,
    gridRow: true,
    gridRowEnd: true,
    gridRowSpan: true,
    gridRowStart: true,
    gridColumn: true,
    gridColumnEnd: true,
    gridColumnSpan: true,
    gridColumnStart: true,
    fontWeight: true,
    lineClamp: true,
    lineHeight: true,
    opacity: true,
    order: true,
    orphans: true,
    tabSize: true,
    widows: true,
    zIndex: true,
    zoom: true,
    // SVG-related properties
    fillOpacity: true,
    floodOpacity: true,
    stopOpacity: true,
    strokeDasharray: true,
    strokeDashoffset: true,
    strokeMiterlimit: true,
    strokeOpacity: true,
    strokeWidth: true
  };
  /**
   * @param {string} prefix vendor-specific prefix, eg: Webkit
   * @param {string} key style name, eg: transitionDuration
   * @return {string} style name prefixed with `prefix`, properly camelCased, eg:
   * WebkitTransitionDuration
   */

function prefixKey(prefix, key) {
    return prefix + key.charAt(0).toUpperCase() + key.substring(1);
  }
  /**
   * Support style names that may come passed in prefixed by adding permutations
   * of vendor prefixes.
   */

var prefixes = ['Webkit', 'ms', 'Moz', 'O']; // Using Object.keys here, or else the vanilla for-in loop makes IE8 go into an
  // infinite loop, because it iterates over the newly added props too.

Object.keys(isUnitlessNumber).forEach(function (prop) {
    prefixes.forEach(function (prefix) {
      isUnitlessNumber[prefixKey(prefix, prop)] = isUnitlessNumber[prop];
    });
  });

/**
   * Convert a value into the proper css writable value. The style name `name`
   * should be logical (no hyphens), as specified
   * in `CSSProperty.isUnitlessNumber`.
   *
   * @param {string} name CSS property name such as `topMargin`.
   * @param {*} value CSS property value such as `10px`.
   * @return {string} Normalized style value with dimensions applied.
   */

function dangerousStyleValue(name, value, isCustomProperty) {
    // Note that we've removed escapeTextForBrowser() calls here since the
    // whole string will be escaped when the attribute is injected into
    // the markup. If you provide unsafe user data here they can inject
    // arbitrary CSS which may be problematic (I couldn't repro this):
    // https://www.owasp.org/index.php/XSS_Filter_Evasion_Cheat_Sheet
    // http://www.thespanner.co.uk/2007/11/26/ultimate-xss-css-injection/
    // This is not an XSS hole but instead a potential CSS injection issue
    // which has lead to a greater discussion about how we're going to
    // trust URLs moving forward. See #2115901
    var isEmpty = value == null || typeof value === 'boolean' || value === '';

if (isEmpty) {
      return '';
    }

if (!isCustomProperty && typeof value === 'number' && value !== 0 && !(isUnitlessNumber.hasOwnProperty(name) && isUnitlessNumber[name])) {
      return value + 'px'; // Presumes implicit 'px' suffix for unitless numbers
    }

return ('' + value).trim();
  }

var uppercasePattern = /([A-Z])/g;
  var msPattern = /^ms-/;
  /**
   * Hyphenates a camelcased CSS property name, for example:
   *
   *   > hyphenateStyleName('backgroundColor')
   *   < "background-color"
   *   > hyphenateStyleName('MozTransition')
   *   < "-moz-transition"
   *   > hyphenateStyleName('msTransition')
   *   < "-ms-transition"
   *
   * As Modernizr suggests (http://modernizr.com/docs/#prefixed), an `ms` prefix
   * is converted to `-ms-`.
   */

function hyphenateStyleName(name) {
    return name.replace(uppercasePattern, '-$1').toLowerCase().replace(msPattern, '-ms-');
  }

var warnValidStyle = function () {};

{
    // 'msTransform' is correct, but the other prefixes should be capitalized
    var badVendoredStyleNamePattern = /^(?:webkit|moz|o)[A-Z]/;
    var msPattern$1 = /^-ms-/;
    var hyphenPattern = /-(.)/g; // style values shouldn't contain a semicolon

var badStyleValueWithSemicolonPattern = /;\s*$/;
    var warnedStyleNames = {};
    var warnedStyleValues = {};
    var warnedForNaNValue = false;
    var warnedForInfinityValue = false;

var camelize = function (string) {
      return string.replace(hyphenPattern, function (_, character) {
        return character.toUpperCase();
      });
    };

var warnHyphenatedStyleName = function (name) {
      if (warnedStyleNames.hasOwnProperty(name) && warnedStyleNames[name]) {
        return;
      }

warnedStyleNames[name] = true;

error('Unsupported style property %s. Did you mean %s?', name, // As Andi Smith suggests
      // (http://www.andismith.com/blog/2012/02/modernizr-prefixed/), an `-ms` prefix
      // is converted to lowercase `ms`.
      camelize(name.replace(msPattern$1, 'ms-')));
    };

var warnBadVendoredStyleName = function (name) {
      if (warnedStyleNames.hasOwnProperty(name) && warnedStyleNames[name]) {
        return;
      }

warnedStyleNames[name] = true;

error('Unsupported vendor-prefixed style property %s. Did you mean %s?', name, name.charAt(0).toUpperCase() + name.slice(1));
    };

var warnStyleValueWithSemicolon = function (name, value) {
      if (warnedStyleValues.hasOwnProperty(value) && warnedStyleValues[value]) {
        return;
      }

warnedStyleValues[value] = true;

error("Style property values shouldn't contain a semicolon. " + 'Try "%s: %s" instead.', name, value.replace(badStyleValueWithSemicolonPattern, ''));
    };

var warnStyleValueIsNaN = function (name, value) {
      if (warnedForNaNValue) {
        return;
      }

warnedForNaNValue = true;

error('`NaN` is an invalid value for the `%s` css style property.', name);
    };

var warnStyleValueIsInfinity = function (name, value) {
      if (warnedForInfinityValue) {
        return;
      }

warnedForInfinityValue = true;

error('`Infinity` is an invalid value for the `%s` css style property.', name);
    };

warnValidStyle = function (name, value) {
      if (name.indexOf('-') > -1) {
        warnHyphenatedStyleName(name);
      } else if (badVendoredStyleNamePattern.test(name)) {
        warnBadVendoredStyleName(name);
      } else if (badStyleValueWithSemicolonPattern.test(value)) {
        warnStyleValueWithSemicolon(name, value);
      }

if (typeof value === 'number') {
        if (isNaN(value)) {
          warnStyleValueIsNaN(name, value);
        } else if (!isFinite(value)) {
          warnStyleValueIsInfinity(name, value);
        }
      }
    };
  }

var warnValidStyle$1 = warnValidStyle;

/**
   * Operations for dealing with CSS properties.
   */

/**
   * This creates a string that is expected to be equivalent to the style
   * attribute generated by server-side rendering. It by-passes warnings and
   * security checks so it's not safe to use this value for anything other than
   * comparison. It is only used in DEV for SSR validation.
   */

function createDangerousStringForStyles(styles) {
    {
      var serialized = '';
      var delimiter = '';

for (var styleName in styles) {
        if (!styles.hasOwnProperty(styleName)) {
          continue;
        }

var styleValue = styles[styleName];

if (styleValue != null) {
          var isCustomProperty = styleName.indexOf('--') === 0;
          serialized += delimiter + (isCustomProperty ? styleName : hyphenateStyleName(styleName)) + ':';
          serialized += dangerousStyleValue(styleName, styleValue, isCustomProperty);
          delimiter = ';';
        }
      }

return serialized || null;
    }
  }
  /**
   * Sets the value for multiple styles on a node.  If a value is specified as
   * '' (empty string), the corresponding style property will be unset.
   *
   * @param {DOMElement} node
   * @param {object} styles
   */

function setValueForStyles(node, styles) {
    var style = node.style;

for (var styleName in styles) {
      if (!styles.hasOwnProperty(styleName)) {
        continue;
      }

var isCustomProperty = styleName.indexOf('--') === 0;

{
        if (!isCustomProperty) {
          warnValidStyle$1(styleName, styles[styleName]);
        }
      }

var styleValue = dangerousStyleValue(styleName, styles[styleName], isCustomProperty);

if (styleName === 'float') {
        styleName = 'cssFloat';
      }

if (isCustomProperty) {
        style.setProperty(styleName, styleValue);
      } else {
        style[styleName] = styleValue;
      }
    }
  }

function isValueEmpty(value) {
    return value == null || typeof value === 'boolean' || value === '';
  }
  /**
   * Given {color: 'red', overflow: 'hidden'} returns {
   *   color: 'color',
   *   overflowX: 'overflow',
   *   overflowY: 'overflow',
   * }. This can be read as "the overflowY property was set by the overflow
   * shorthand". That is, the values are the property that each was derived from.
   */

function expandShorthandMap(styles) {
    var expanded = {};

for (var key in styles) {
      var longhands = shorthandToLonghand[key] || [key];

for (var i = 0; i < longhands.length; i++) {
        expanded[longhands[i]] = key;
      }
    }

return expanded;
  }
  /**
   * When mixing shorthand and longhand property names, we warn during updates if
   * we expect an incorrect result to occur. In particular, we warn for:
   *
   * Updating a shorthand property (longhand gets overwritten):
   *   {font: 'foo', fontVariant: 'bar'} -> {font: 'baz', fontVariant: 'bar'}
   *   becomes .style.font = 'baz'
   * Removing a shorthand property (longhand gets lost too):
   *   {font: 'foo', fontVariant: 'bar'} -> {fontVariant: 'bar'}
   *   becomes .style.font = ''
   * Removing a longhand property (should revert to shorthand; doesn't):
   *   {font: 'foo', fontVariant: 'bar'} -> {font: 'foo'}
   *   becomes .style.fontVariant = ''
   */

function validateShorthandPropertyCollisionInDev(styleUpdates, nextStyles) {
    {

if (!nextStyles) {
        return;
      }

var expandedUpdates = expandShorthandMap(styleUpdates);
      var expandedStyles = expandShorthandMap(nextStyles);
      var warnedAbout = {};

for (var key in expandedUpdates) {
        var originalKey = expandedUpdates[key];
        var correctOriginalKey = expandedStyles[key];

if (correctOriginalKey && originalKey !== correctOriginalKey) {
          var warningKey = originalKey + ',' + correctOriginalKey;

if (warnedAbout[warningKey]) {
            continue;
          }

warnedAbout[warningKey] = true;

error('%s a style property during rerender (%s) when a ' + 'conflicting property is set (%s) can lead to styling bugs. To ' + "avoid this, don't mix shorthand and non-shorthand properties " + 'for the same value; instead, replace the shorthand with ' + 'separate values.', isValueEmpty(styleUpdates[originalKey]) ? 'Removing' : 'Updating', originalKey, correctOriginalKey);
        }
      }
    }
  }

// For HTML, certain tags should omit their close tag. We keep a whitelist for
  // those special-case tags.
  var omittedCloseTags = {
    area: true,
    base: true,
    br: true,
    col: true,
    embed: true,
    hr: true,
    img: true,
    input: true,
    keygen: true,
    link: true,
    meta: true,
    param: true,
    source: true,
    track: true,
    wbr: true // NOTE: menuitem's close tag should be omitted, but that causes problems.

};

// `omittedCloseTags` except that `menuitem` should still have its closing tag.

var voidElementTags = _assign({
    menuitem: true
  }, omittedCloseTags);

var HTML = '__html';
  var ReactDebugCurrentFrame$3 = null;

{
    ReactDebugCurrentFrame$3 = ReactSharedInternals.ReactDebugCurrentFrame;
  }

function assertValidProps(tag, props) {
    if (!props) {
      return;
    } // Note the use of `==` which checks for null or undefined.

if (voidElementTags[tag]) {
      if (!(props.children == null && props.dangerouslySetInnerHTML == null)) {
        {
          throw Error( tag + " is a void element tag and must neither have `children` nor use `dangerouslySetInnerHTML`." + ( ReactDebugCurrentFrame$3.getStackAddendum() ) );
        }
      }
    }

if (props.dangerouslySetInnerHTML != null) {
      if (!(props.children == null)) {
        {
          throw Error( "Can only set one of `children` or `props.dangerouslySetInnerHTML`." );
        }
      }

if (!(typeof props.dangerouslySetInnerHTML === 'object' && HTML in props.dangerouslySetInnerHTML)) {
        {
          throw Error( "`props.dangerouslySetInnerHTML` must be in the form `{__html: ...}`. Please visit https://fb.me/react-invariant-dangerously-set-inner-html for more information." );
        }
      }
    }

{
      if (!props.suppressContentEditableWarning && props.contentEditable && props.children != null) {
        error('A component is `contentEditable` and contains `children` managed by ' + 'React. It is now your responsibility to guarantee that none of ' + 'those nodes are unexpectedly modified or duplicated. This is ' + 'probably not intentional.');
      }
    }

if (!(props.style == null || typeof props.style === 'object')) {
      {
        throw Error( "The `style` prop expects a mapping from style properties to values, not a string. For example, style={{marginRight: spacing + 'em'}} when using JSX." + ( ReactDebugCurrentFrame$3.getStackAddendum() ) );
      }
    }
  }

function isCustomComponent(tagName, props) {
    if (tagName.indexOf('-') === -1) {
      return typeof props.is === 'string';
    }

switch (tagName) {
      // These are reserved SVG and MathML elements.
      // We don't mind this whitelist too much because we expect it to never grow.
      // The alternative is to track the namespace in a few places which is convoluted.
      // https://w3c.github.io/webcomponents/spec/custom/#custom-elements-core-concepts
      case 'annotation-xml':
      case 'color-profile':
      case 'font-face':
      case 'font-face-src':
      case 'font-face-uri':
      case 'font-face-format':
      case 'font-face-name':
      case 'missing-glyph':
        return false;

default:
        return true;
    }
  }

// When adding attributes to the HTML or SVG whitelist, be sure to
  // also add them to this module to ensure casing and incorrect name
  // warnings.
  var possibleStandardNames = {
    // HTML
    accept: 'accept',
    acceptcharset: 'acceptCharset',
    'accept-charset': 'acceptCharset',
    accesskey: 'accessKey',
    action: 'action',
    allowfullscreen: 'allowFullScreen',
    alt: 'alt',
    as: 'as',
    async: 'async',
    autocapitalize: 'autoCapitalize',
    autocomplete: 'autoComplete',
    autocorrect: 'autoCorrect',
    autofocus: 'autoFocus',
    autoplay: 'autoPlay',
    autosave: 'autoSave',
    capture: 'capture',
    cellpadding: 'cellPadding',
    cellspacing: 'cellSpacing',
    challenge: 'challenge',
    charset: 'charSet',
    checked: 'checked',
    children: 'children',
    cite: 'cite',
    class: 'className',
    classid: 'classID',
    classname: 'className',
    cols: 'cols',
    colspan: 'colSpan',
    content: 'content',
    contenteditable: 'contentEditable',
    contextmenu: 'contextMenu',
    controls: 'controls',
    controlslist: 'controlsList',
    coords: 'coords',
    crossorigin: 'crossOrigin',
    dangerouslysetinnerhtml: 'dangerouslySetInnerHTML',
    data: 'data',
    datetime: 'dateTime',
    default: 'default',
    defaultchecked: 'defaultChecked',
    defaultvalue: 'defaultValue',
    defer: 'defer',
    dir: 'dir',
    disabled: 'disabled',
    disablepictureinpicture: 'disablePictureInPicture',
    download: 'download',
    draggable: 'draggable',
    enctype: 'encType',
    for: 'htmlFor',
    form: 'form',
    formmethod: 'formMethod',
    formaction: 'formAction',
    formenctype: 'formEncType',
    formnovalidate: 'formNoValidate',
    formtarget: 'formTarget',
    frameborder: 'frameBorder',
    headers: 'headers',
    height: 'height',
    hidden: 'hidden',
    high: 'high',
    href: 'href',
    hreflang: 'hrefLang',
    htmlfor: 'htmlFor',
    httpequiv: 'httpEquiv',
    'http-equiv': 'httpEquiv',
    icon: 'icon',
    id: 'id',
    innerhtml: 'innerHTML',
    inputmode: 'inputMode',
    integrity: 'integrity',
    is: 'is',
    itemid: 'itemID',
    itemprop: 'itemProp',
    itemref: 'itemRef',
    itemscope: 'itemScope',
    itemtype: 'itemType',
    keyparams: 'keyParams',
    keytype: 'keyType',
    kind: 'kind',
    label: 'label',
    lang: 'lang',
    list: 'list',
    loop: 'loop',
    low: 'low',
    manifest: 'manifest',
    marginwidth: 'marginWidth',
    marginheight: 'marginHeight',
    max: 'max',
    maxlength: 'maxLength',
    media: 'media',
    mediagroup: 'mediaGroup',
    method: 'method',
    min: 'min',
    minlength: 'minLength',
    multiple: 'multiple',
    muted: 'muted',
    name: 'name',
    nomodule: 'noModule',
    nonce: 'nonce',
    novalidate: 'noValidate',
    open: 'open',
    optimum: 'optimum',
    pattern: 'pattern',
    placeholder: 'placeholder',
    playsinline: 'playsInline',
    poster: 'poster',
    preload: 'preload',
    profile: 'profile',
    radiogroup: 'radioGroup',
    readonly: 'readOnly',
    referrerpolicy: 'referrerPolicy',
    rel: 'rel',
    required: 'required',
    reversed: 'reversed',
    role: 'role',
    rows: 'rows',
    rowspan: 'rowSpan',
    sandbox: 'sandbox',
    scope: 'scope',
    scoped: 'scoped',
    scrolling: 'scrolling',
    seamless: 'seamless',
    selected: 'selected',
    shape: 'shape',
    size: 'size',
    sizes: 'sizes',
    span: 'span',
    spellcheck: 'spellCheck',
    src: 'src',
    srcdoc: 'srcDoc',
    srclang: 'srcLang',
    srcset: 'srcSet',
    start: 'start',
    step: 'step',
    style: 'style',
    summary: 'summary',
    tabindex: 'tabIndex',
    target: 'target',
    title: 'title',
    type: 'type',
    usemap: 'useMap',
    value: 'value',
    width: 'width',
    wmode: 'wmode',
    wrap: 'wrap',
    // SVG
    about: 'about',
    accentheight: 'accentHeight',
    'accent-height': 'accentHeight',
    accumulate: 'accumulate',
    additive: 'additive',
    alignmentbaseline: 'alignmentBaseline',
    'alignment-baseline': 'alignmentBaseline',
    allowreorder: 'allowReorder',
    alphabetic: 'alphabetic',
    amplitude: 'amplitude',
    arabicform: 'arabicForm',
    'arabic-form': 'arabicForm',
    ascent: 'ascent',
    attributename: 'attributeName',
    attributetype: 'attributeType',
    autoreverse: 'autoReverse',
    azimuth: 'azimuth',
    basefrequency: 'baseFrequency',
    baselineshift: 'baselineShift',
    'baseline-shift': 'baselineShift',
    baseprofile: 'baseProfile',
    bbox: 'bbox',
    begin: 'begin',
    bias: 'bias',
    by: 'by',
    calcmode: 'calcMode',
    capheight: 'capHeight',
    'cap-height': 'capHeight',
    clip: 'clip',
    clippath: 'clipPath',
    'clip-path': 'clipPath',
    clippathunits: 'clipPathUnits',
    cliprule: 'clipRule',
    'clip-rule': 'clipRule',
    color: 'color',
    colorinterpolation: 'colorInterpolation',
    'color-interpolation': 'colorInterpolation',
    colorinterpolationfilters: 'colorInterpolationFilters',
    'color-interpolation-filters': 'colorInterpolationFilters',
    colorprofile: 'colorProfile',
    'color-profile': 'colorProfile',
    colorrendering: 'colorRendering',
    'color-rendering': 'colorRendering',
    contentscripttype: 'contentScriptType',
    contentstyletype: 'contentStyleType',
    cursor: 'cursor',
    cx: 'cx',
    cy: 'cy',
    d: 'd',
    datatype: 'datatype',
    decelerate: 'decelerate',
    descent: 'descent',
    diffuseconstant: 'diffuseConstant',
    direction: 'direction',
    display: 'display',
    divisor: 'divisor',
    dominantbaseline: 'dominantBaseline',
    'dominant-baseline': 'dominantBaseline',
    dur: 'dur',
    dx: 'dx',
    dy: 'dy',
    edgemode: 'edgeMode',
    elevation: 'elevation',
    enablebackground: 'enableBackground',
    'enable-background': 'enableBackground',
    end: 'end',
    exponent: 'exponent',
    externalresourcesrequired: 'externalResourcesRequired',
    fill: 'fill',
    fillopacity: 'fillOpacity',
    'fill-opacity': 'fillOpacity',
    fillrule: 'fillRule',
    'fill-rule': 'fillRule',
    filter: 'filter',
    filterres: 'filterRes',
    filterunits: 'filterUnits',
    floodopacity: 'floodOpacity',
    'flood-opacity': 'floodOpacity',
    floodcolor: 'floodColor',
    'flood-color': 'floodColor',
    focusable: 'focusable',
    fontfamily: 'fontFamily',
    'font-family': 'fontFamily',
    fontsize: 'fontSize',
    'font-size': 'fontSize',
    fontsizeadjust: 'fontSizeAdjust',
    'font-size-adjust': 'fontSizeAdjust',
    fontstretch: 'fontStretch',
    'font-stretch': 'fontStretch',
    fontstyle: 'fontStyle',
    'font-style': 'fontStyle',
    fontvariant: 'fontVariant',
    'font-variant': 'fontVariant',
    fontweight: 'fontWeight',
    'font-weight': 'fontWeight',
    format: 'format',
    from: 'from',
    fx: 'fx',
    fy: 'fy',
    g1: 'g1',
    g2: 'g2',
    glyphname: 'glyphName',
    'glyph-name': 'glyphName',
    glyphorientationhorizontal: 'glyphOrientationHorizontal',
    'glyph-orientation-horizontal': 'glyphOrientationHorizontal',
    glyphorientationvertical: 'glyphOrientationVertical',
    'glyph-orientation-vertical': 'glyphOrientationVertical',
    glyphref: 'glyphRef',
    gradienttransform: 'gradientTransform',
    gradientunits: 'gradientUnits',
    hanging: 'hanging',
    horizadvx: 'horizAdvX',
    'horiz-adv-x': 'horizAdvX',
    horizoriginx: 'horizOriginX',
    'horiz-origin-x': 'horizOriginX',
    ideographic: 'ideographic',
    imagerendering: 'imageRendering',
    'image-rendering': 'imageRendering',
    in2: 'in2',
    in: 'in',
    inlist: 'inlist',
    intercept: 'intercept',
    k1: 'k1',
    k2: 'k2',
    k3: 'k3',
    k4: 'k4',
    k: 'k',
    kernelmatrix: 'kernelMatrix',
    kernelunitlength: 'kernelUnitLength',
    kerning: 'kerning',
    keypoints: 'keyPoints',
    keysplines: 'keySplines',
    keytimes: 'keyTimes',
    lengthadjust: 'lengthAdjust',
    letterspacing: 'letterSpacing',
    'letter-spacing': 'letterSpacing',
    lightingcolor: 'lightingColor',
    'lighting-color': 'lightingColor',
    limitingconeangle: 'limitingConeAngle',
    local: 'local',
    markerend: 'markerEnd',
    'marker-end': 'markerEnd',
    markerheight: 'markerHeight',
    markermid: 'markerMid',
    'marker-mid': 'markerMid',
    markerstart: 'markerStart',
    'marker-start': 'markerStart',
    markerunits: 'markerUnits',
    markerwidth: 'markerWidth',
    mask: 'mask',
    maskcontentunits: 'maskContentUnits',
    maskunits: 'maskUnits',
    mathematical: 'mathematical',
    mode: 'mode',
    numoctaves: 'numOctaves',
    offset: 'offset',
    opacity: 'opacity',
    operator: 'operator',
    order: 'order',
    orient: 'orient',
    orientation: 'orientation',
    origin: 'origin',
    overflow: 'overflow',
    overlineposition: 'overlinePosition',
    'overline-position': 'overlinePosition',
    overlinethickness: 'overlineThickness',
    'overline-thickness': 'overlineThickness',
    paintorder: 'paintOrder',
    'paint-order': 'paintOrder',
    panose1: 'panose1',
    'panose-1': 'panose1',
    pathlength: 'pathLength',
    patterncontentunits: 'patternContentUnits',
    patterntransform: 'patternTransform',
    patternunits: 'patternUnits',
    pointerevents: 'pointerEvents',
    'pointer-events': 'pointerEvents',
    points: 'points',
    pointsatx: 'pointsAtX',
    pointsaty: 'pointsAtY',
    pointsatz: 'pointsAtZ',
    prefix: 'prefix',
    preservealpha: 'preserveAlpha',
    preserveaspectratio: 'preserveAspectRatio',
    primitiveunits: 'primitiveUnits',
    property: 'property',
    r: 'r',
    radius: 'radius',
    refx: 'refX',
    refy: 'refY',
    renderingintent: 'renderingIntent',
    'rendering-intent': 'renderingIntent',
    repeatcount: 'repeatCount',
    repeatdur: 'repeatDur',
    requiredextensions: 'requiredExtensions',
    requiredfeatures: 'requiredFeatures',
    resource: 'resource',
    restart: 'restart',
    result: 'result',
    results: 'results',
    rotate: 'rotate',
    rx: 'rx',
    ry: 'ry',
    scale: 'scale',
    security: 'security',
    seed: 'seed',
    shaperendering: 'shapeRendering',
    'shape-rendering': 'shapeRendering',
    slope: 'slope',
    spacing: 'spacing',
    specularconstant: 'specularConstant',
    specularexponent: 'specularExponent',
    speed: 'speed',
    spreadmethod: 'spreadMethod',
    startoffset: 'startOffset',
    stddeviation: 'stdDeviation',
    stemh: 'stemh',
    stemv: 'stemv',
    stitchtiles: 'stitchTiles',
    stopcolor: 'stopColor',
    'stop-color': 'stopColor',
    stopopacity: 'stopOpacity',
    'stop-opacity': 'stopOpacity',
    strikethroughposition: 'strikethroughPosition',
    'strikethrough-position': 'strikethroughPosition',
    strikethroughthickness: 'strikethroughThickness',
    'strikethrough-thickness': 'strikethroughThickness',
    string: 'string',
    stroke: 'stroke',
    strokedasharray: 'strokeDasharray',
    'stroke-dasharray': 'strokeDasharray',
    strokedashoffset: 'strokeDashoffset',
    'stroke-dashoffset': 'strokeDashoffset',
    strokelinecap: 'strokeLinecap',
    'stroke-linecap': 'strokeLinecap',
    strokelinejoin: 'strokeLinejoin',
    'stroke-linejoin': 'strokeLinejoin',
    strokemiterlimit: 'strokeMiterlimit',
    'stroke-miterlimit': 'strokeMiterlimit',
    strokewidth: 'strokeWidth',
    'stroke-width': 'strokeWidth',
    strokeopacity: 'strokeOpacity',
    'stroke-opacity': 'strokeOpacity',
    suppresscontenteditablewarning: 'suppressContentEditableWarning',
    suppresshydrationwarning: 'suppressHydrationWarning',
    surfacescale: 'surfaceScale',
    systemlanguage: 'systemLanguage',
    tablevalues: 'tableValues',
    targetx: 'targetX',
    targety: 'targetY',
    textanchor: 'textAnchor',
    'text-anchor': 'textAnchor',
    textdecoration: 'textDecoration',
    'text-decoration': 'textDecoration',
    textlength: 'textLength',
    textrendering: 'textRendering',
    'text-rendering': 'textRendering',
    to: 'to',
    transform: 'transform',
    typeof: 'typeof',
    u1: 'u1',
    u2: 'u2',
    underlineposition: 'underlinePosition',
    'underline-position': 'underlinePosition',
    underlinethickness: 'underlineThickness',
    'underline-thickness': 'underlineThickness',
    unicode: 'unicode',
    unicodebidi: 'unicodeBidi',
    'unicode-bidi': 'unicodeBidi',
    unicoderange: 'unicodeRange',
    'unicode-range': 'unicodeRange',
    unitsperem: 'unitsPerEm',
    'units-per-em': 'unitsPerEm',
    unselectable: 'unselectable',
    valphabetic: 'vAlphabetic',
    'v-alphabetic': 'vAlphabetic',
    values: 'values',
    vectoreffect: 'vectorEffect',
    'vector-effect': 'vectorEffect',
    version: 'version',
    vertadvy: 'vertAdvY',
    'vert-adv-y': 'vertAdvY',
    vertoriginx: 'vertOriginX',
    'vert-origin-x': 'vertOriginX',
    vertoriginy: 'vertOriginY',
    'vert-origin-y': 'vertOriginY',
    vhanging: 'vHanging',
    'v-hanging': 'vHanging',
    videographic: 'vIdeographic',
    'v-ideographic': 'vIdeographic',
    viewbox: 'viewBox',
    viewtarget: 'viewTarget',
    visibility: 'visibility',
    vmathematical: 'vMathematical',
    'v-mathematical': 'vMathematical',
    vocab: 'vocab',
    widths: 'widths',
    wordspacing: 'wordSpacing',
    'word-spacing': 'wordSpacing',
    writingmode: 'writingMode',
    'writing-mode': 'writingMode',
    x1: 'x1',
    x2: 'x2',
    x: 'x',
    xchannelselector: 'xChannelSelector',
    xheight: 'xHeight',
    'x-height': 'xHeight',
    xlinkactuate: 'xlinkActuate',
    'xlink:actuate': 'xlinkActuate',
    xlinkarcrole: 'xlinkArcrole',
    'xlink:arcrole': 'xlinkArcrole',
    xlinkhref: 'xlinkHref',
    'xlink:href': 'xlinkHref',
    xlinkrole: 'xlinkRole',
    'xlink:role': 'xlinkRole',
    xlinkshow: 'xlinkShow',
    'xlink:show': 'xlinkShow',
    xlinktitle: 'xlinkTitle',
    'xlink:title': 'xlinkTitle',
    xlinktype: 'xlinkType',
    'xlink:type': 'xlinkType',
    xmlbase: 'xmlBase',
    'xml:base': 'xmlBase',
    xmllang: 'xmlLang',
    'xml:lang': 'xmlLang',
    xmlns: 'xmlns',
    'xml:space': 'xmlSpace',
    xmlnsxlink: 'xmlnsXlink',
    'xmlns:xlink': 'xmlnsXlink',
    xmlspace: 'xmlSpace',
    y1: 'y1',
    y2: 'y2',
    y: 'y',
    ychannelselector: 'yChannelSelector',
    z: 'z',
    zoomandpan: 'zoomAndPan'
  };

var ariaProperties = {
    'aria-current': 0,
    // state
    'aria-details': 0,
    'aria-disabled': 0,
    // state
    'aria-hidden': 0,
    // state
    'aria-invalid': 0,
    // state
    'aria-keyshortcuts': 0,
    'aria-label': 0,
    'aria-roledescription': 0,
    // Widget Attributes
    'aria-autocomplete': 0,
    'aria-checked': 0,
    'aria-expanded': 0,
    'aria-haspopup': 0,
    'aria-level': 0,
    'aria-modal': 0,
    'aria-multiline': 0,
    'aria-multiselectable': 0,
    'aria-orientation': 0,
    'aria-placeholder': 0,
    'aria-pressed': 0,
    'aria-readonly': 0,
    'aria-required': 0,
    'aria-selected': 0,
    'aria-sort': 0,
    'aria-valuemax': 0,
    'aria-valuemin': 0,
    'aria-valuenow': 0,
    'aria-valuetext': 0,
    // Live Region Attributes
    'aria-atomic': 0,
    'aria-busy': 0,
    'aria-live': 0,
    'aria-relevant': 0,
    // Drag-and-Drop Attributes
    'aria-dropeffect': 0,
    'aria-grabbed': 0,
    // Relationship Attributes
    'aria-activedescendant': 0,
    'aria-colcount': 0,
    'aria-colindex': 0,
    'aria-colspan': 0,
    'aria-controls': 0,
    'aria-describedby': 0,
    'aria-errormessage': 0,
    'aria-flowto': 0,
    'aria-labelledby': 0,
    'aria-owns': 0,
    'aria-posinset': 0,
    'aria-rowcount': 0,
    'aria-rowindex': 0,
    'aria-rowspan': 0,
    'aria-setsize': 0
  };

var warnedProperties = {};
  var rARIA = new RegExp('^(aria)-[' + ATTRIBUTE_NAME_CHAR + ']*$');
  var rARIACamel = new RegExp('^(aria)[A-Z][' + ATTRIBUTE_NAME_CHAR + ']*$');
  var hasOwnProperty$1 = Object.prototype.hasOwnProperty;

function validateProperty(tagName, name) {
    {
      if (hasOwnProperty$1.call(warnedProperties, name) && warnedProperties[name]) {
        return true;
      }

if (rARIACamel.test(name)) {
        var ariaName = 'aria-' + name.slice(4).toLowerCase();
        var correctName = ariaProperties.hasOwnProperty(ariaName) ? ariaName : null; // If this is an aria-* attribute, but is not listed in the known DOM
        // DOM properties, then it is an invalid aria-* attribute.

if (correctName == null) {
          error('Invalid ARIA attribute `%s`. ARIA attributes follow the pattern aria-* and must be lowercase.', name);

warnedProperties[name] = true;
          return true;
        } // aria-* attributes should be lowercase; suggest the lowercase version.

if (name !== correctName) {
          error('Invalid ARIA attribute `%s`. Did you mean `%s`?', name, correctName);

warnedProperties[name] = true;
          return true;
        }
      }

if (rARIA.test(name)) {
        var lowerCasedName = name.toLowerCase();
        var standardName = ariaProperties.hasOwnProperty(lowerCasedName) ? lowerCasedName : null; // If this is an aria-* attribute, but is not listed in the known DOM
        // DOM properties, then it is an invalid aria-* attribute.

if (standardName == null) {
          warnedProperties[name] = true;
          return false;
        } // aria-* attributes should be lowercase; suggest the lowercase version.

if (name !== standardName) {
          error('Unknown ARIA attribute `%s`. Did you mean `%s`?', name, standardName);

warnedProperties[name] = true;
          return true;
        }
      }
    }

return true;
  }

function warnInvalidARIAProps(type, props) {
    {
      var invalidProps = [];

for (var key in props) {
        var isValid = validateProperty(type, key);

if (!isValid) {
          invalidProps.push(key);
        }
      }

var unknownPropString = invalidProps.map(function (prop) {
        return '`' + prop + '`';
      }).join(', ');

if (invalidProps.length === 1) {
        error('Invalid aria prop %s on <%s> tag. ' + 'For details, see https://fb.me/invalid-aria-prop', unknownPropString, type);
      } else if (invalidProps.length > 1) {
        error('Invalid aria props %s on <%s> tag. ' + 'For details, see https://fb.me/invalid-aria-prop', unknownPropString, type);
      }
    }
  }

function validateProperties(type, props) {
    if (isCustomComponent(type, props)) {
      return;
    }

warnInvalidARIAProps(type, props);
  }

var didWarnValueNull = false;
  function validateProperties$1(type, props) {
    {
      if (type !== 'input' && type !== 'textarea' && type !== 'select') {
        return;
      }

if (props != null && props.value === null && !didWarnValueNull) {
        didWarnValueNull = true;

if (type === 'select' && props.multiple) {
          error('`value` prop on `%s` should not be null. ' + 'Consider using an empty array when `multiple` is set to `true` ' + 'to clear the component or `undefined` for uncontrolled components.', type);
        } else {
          error('`value` prop on `%s` should not be null. ' + 'Consider using an empty string to clear the component or `undefined` ' + 'for uncontrolled components.', type);
        }
      }
    }
  }

var validateProperty$1 = function () {};

{
    var warnedProperties$1 = {};
    var _hasOwnProperty = Object.prototype.hasOwnProperty;
    var EVENT_NAME_REGEX = /^on./;
    var INVALID_EVENT_NAME_REGEX = /^on[^A-Z]/;
    var rARIA$1 = new RegExp('^(aria)-[' + ATTRIBUTE_NAME_CHAR + ']*$');
    var rARIACamel$1 = new RegExp('^(aria)[A-Z][' + ATTRIBUTE_NAME_CHAR + ']*$');

validateProperty$1 = function (tagName, name, value, canUseEventSystem) {
      if (_hasOwnProperty.call(warnedProperties$1, name) && warnedProperties$1[name]) {
        return true;
      }

var lowerCasedName = name.toLowerCase();

if (lowerCasedName === 'onfocusin' || lowerCasedName === 'onfocusout') {
        error('React uses onFocus and onBlur instead of onFocusIn and onFocusOut. ' + 'All React events are normalized to bubble, so onFocusIn and onFocusOut ' + 'are not needed/supported by React.');

warnedProperties$1[name] = true;
        return true;
      } // We can't rely on the event system being injected on the server.

if (canUseEventSystem) {
        if (registrationNameModules.hasOwnProperty(name)) {
          return true;
        }

var registrationName = possibleRegistrationNames.hasOwnProperty(lowerCasedName) ? possibleRegistrationNames[lowerCasedName] : null;

if (registrationName != null) {
          error('Invalid event handler property `%s`. Did you mean `%s`?', name, registrationName);

warnedProperties$1[name] = true;
          return true;
        }

if (EVENT_NAME_REGEX.test(name)) {
          error('Unknown event handler property `%s`. It will be ignored.', name);

warnedProperties$1[name] = true;
          return true;
        }
      } else if (EVENT_NAME_REGEX.test(name)) {
        // If no event plugins have been injected, we are in a server environment.
        // So we can't tell if the event name is correct for sure, but we can filter
        // out known bad ones like `onclick`. We can't suggest a specific replacement though.
        if (INVALID_EVENT_NAME_REGEX.test(name)) {
          error('Invalid event handler property `%s`. ' + 'React events use the camelCase naming convention, for example `onClick`.', name);
        }

warnedProperties$1[name] = true;
        return true;
      } // Let the ARIA attribute hook validate ARIA attributes

if (rARIA$1.test(name) || rARIACamel$1.test(name)) {
        return true;
      }

if (lowerCasedName === 'innerhtml') {
        error('Directly setting property `innerHTML` is not permitted. ' + 'For more information, lookup documentation on `dangerouslySetInnerHTML`.');