update packages

2 files changed, 1376 insertions, 350 deletions

diff --git a/node_modules/react/umd/react.development.js b/node_modules/react/umd/react.development.js
index 654f3a82b..c06ed7edd 100644
--- a/node_modules/react/umd/react.development.js
+++ b/node_modules/react/umd/react.development.js
@@ -1,7 +1,7 @@
-/** @license React v16.2.0
+/** @license React v16.5.2
  * react.development.js
  *
- * Copyright (c) 2013-present, Facebook, Inc.
+ * 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.
@@ -15,6 +15,81 @@
 	(global.React = factory());
 }(this, (function () { 'use strict';
 
+// TODO: this is special because it gets imported during build.
+
+var ReactVersion = '16.5.2';
+
+// The Symbol used to tag the ReactElement-like types. If there is no native Symbol
+// nor polyfill, then a plain number is used for performance.
+var hasSymbol = typeof Symbol === 'function' && Symbol.for;
+
+var REACT_ELEMENT_TYPE = hasSymbol ? Symbol.for('react.element') : 0xeac7;
+var REACT_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;
+var REACT_ASYNC_MODE_TYPE = hasSymbol ? Symbol.for('react.async_mode') : 0xeacf;
+var REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for('react.forward_ref') : 0xead0;
+var REACT_PLACEHOLDER_TYPE = hasSymbol ? Symbol.for('react.placeholder') : 0xead1;
+
+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;
+}
+
+// Exports ReactDOM.createRoot
+
+
+// Experimental error-boundary API that can recover from errors within a single
+// render phase
+
+// Suspense
+var enableSuspense = false;
+// Helps identify side effects in begin-phase lifecycle hooks and setState reducers:
+
+
+// In some cases, StrictMode should also double-render lifecycles.
+// This can be confusing for tests though,
+// And it can be bad for performance in production.
+// This feature flag can be used to control the behavior:
+
+
+// To preserve the "Pause on caught exceptions" behavior of the debugger, we
+// replay the begin phase of a failed component inside invokeGuardedCallback.
+
+
+// Warn about deprecated, async-unsafe lifecycles; relates to RFC #6:
+
+
+// Warn about legacy context API
+
+
+// Gather advanced timing metrics for Profiler subtrees.
+
+
+// Trace which interactions trigger each commit.
+var enableSchedulerTracing = true;
+
+// Only used in www builds.
+
+
+// Only used in www builds.
+
+
+// React Fire: prevent the value and checked attributes from syncing
+// with their related DOM properties
+
 /*
 object-assign
 (c) Sindre Sorhus
@@ -106,69 +181,6 @@ var objectAssign = shouldUseNative() ? Object.assign : function (target, source)
 	return to;
 };
 
-// TODO: this is special because it gets imported during build.
-
-var ReactVersion = '16.2.0';
-
-// The Symbol used to tag the ReactElement-like types. If there is no native Symbol
-// nor polyfill, then a plain number is used for performance.
-var hasSymbol = typeof Symbol === 'function' && Symbol['for'];
-
-var REACT_ELEMENT_TYPE = hasSymbol ? Symbol['for']('react.element') : 0xeac7;
-var REACT_CALL_TYPE = hasSymbol ? Symbol['for']('react.call') : 0xeac8;
-var REACT_RETURN_TYPE = hasSymbol ? Symbol['for']('react.return') : 0xeac9;
-var REACT_PORTAL_TYPE = hasSymbol ? Symbol['for']('react.portal') : 0xeaca;
-var REACT_FRAGMENT_TYPE = hasSymbol ? Symbol['for']('react.fragment') : 0xeacb;
-
-var MAYBE_ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
-var FAUX_ITERATOR_SYMBOL = '@@iterator';
-
-function getIteratorFn(maybeIterable) {
-  if (maybeIterable === null || typeof maybeIterable === 'undefined') {
-    return null;
-  }
-  var maybeIterator = MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL];
-  if (typeof maybeIterator === 'function') {
-    return maybeIterator;
-  }
-  return null;
-}
-
-/**
- * WARNING: DO NOT manually require this module.
- * This is a replacement for `invariant(...)` used by the error code system
- * and will _only_ be required by the corresponding babel pass.
- * It always throws.
- */
-
-/**
- * Copyright (c) 2013-present, Facebook, Inc.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- */
-
-
-
-var emptyObject = {};
-
-{
-  Object.freeze(emptyObject);
-}
-
-var emptyObject_1 = emptyObject;
-
-/**
- * Copyright (c) 2013-present, Facebook, Inc.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- */
-
-
-
 /**
  * Use invariant() to assert state which your program assumes to be true.
  *
@@ -180,10 +192,10 @@ var emptyObject_1 = emptyObject;
  * will remain to ensure logic does not differ in production.
  */
 
-var validateFormat = function validateFormat(format) {};
+var validateFormat = function () {};
 
 {
-  validateFormat = function validateFormat(format) {
+  validateFormat = function (format) {
     if (format === undefined) {
       throw new Error('invariant requires an error message argument');
     }
@@ -194,7 +206,7 @@ function invariant(condition, format, a, b, c, d, e, f) {
   validateFormat(format);
 
   if (!condition) {
-    var error;
+    var error = void 0;
     if (format === undefined) {
       error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.');
     } else {
@@ -211,7 +223,8 @@ function invariant(condition, format, a, b, c, d, e, f) {
   }
 }
 
-var invariant_1 = invariant;
+// Relying on the `invariant()` implementation lets us
+// preserve the format and params in the www builds.
 
 /**
  * Forked from fbjs/warning:
@@ -252,7 +265,7 @@ var lowPriorityWarning = function () {};
 
   lowPriorityWarning = function (condition, format) {
     if (format === undefined) {
-      throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument');
+      throw new Error('`lowPriorityWarning(condition, format, ...args)` requires a warning ' + 'message argument');
     }
     if (!condition) {
       for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
@@ -267,114 +280,105 @@ var lowPriorityWarning = function () {};
 var lowPriorityWarning$1 = lowPriorityWarning;
 
 /**
- * Copyright (c) 2013-present, Facebook, Inc.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * 
- */
-
-function makeEmptyFunction(arg) {
-  return function () {
-    return arg;
-  };
-}
-
-/**
- * This function accepts and discards inputs; it has no side effects. This is
- * primarily useful idiomatically for overridable function endpoints which
- * always need to be callable, since JS lacks a null-call idiom ala Cocoa.
- */
-var emptyFunction = function emptyFunction() {};
-
-emptyFunction.thatReturns = makeEmptyFunction;
-emptyFunction.thatReturnsFalse = makeEmptyFunction(false);
-emptyFunction.thatReturnsTrue = makeEmptyFunction(true);
-emptyFunction.thatReturnsNull = makeEmptyFunction(null);
-emptyFunction.thatReturnsThis = function () {
-  return this;
-};
-emptyFunction.thatReturnsArgument = function (arg) {
-  return arg;
-};
-
-var emptyFunction_1 = emptyFunction;
-
-/**
- * Copyright (c) 2014-present, Facebook, Inc.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- */
-
-
-
-
-
-/**
  * Similar to invariant but only logs a warning if the condition is not met.
  * This can be used to log issues in development environments in critical
  * paths. Removing the logging code for production environments will keep the
  * same logic and follow the same code paths.
  */
 
-var warning = emptyFunction_1;
+var warningWithoutStack = function () {};
 
 {
-  var printWarning$1 = function printWarning(format) {
-    for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
-      args[_key - 1] = arguments[_key];
+  warningWithoutStack = function (condition, format) {
+    for (var _len = arguments.length, args = Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
+      args[_key - 2] = arguments[_key];
     }
 
-    var argIndex = 0;
-    var message = 'Warning: ' + format.replace(/%s/g, function () {
-      return args[argIndex++];
-    });
+    if (format === undefined) {
+      throw new Error('`warningWithoutStack(condition, format, ...args)` requires a warning ' + 'message argument');
+    }
+    if (args.length > 8) {
+      // Check before the condition to catch violations early.
+      throw new Error('warningWithoutStack() currently supports at most 8 arguments.');
+    }
+    if (condition) {
+      return;
+    }
     if (typeof console !== 'undefined') {
-      console.error(message);
+      var _args$map = args.map(function (item) {
+        return '' + item;
+      }),
+          a = _args$map[0],
+          b = _args$map[1],
+          c = _args$map[2],
+          d = _args$map[3],
+          e = _args$map[4],
+          f = _args$map[5],
+          g = _args$map[6],
+          h = _args$map[7];
+
+      var message = 'Warning: ' + format;
+
+      // We intentionally don't use spread (or .apply) because it breaks IE9:
+      // https://github.com/facebook/react/issues/13610
+      switch (args.length) {
+        case 0:
+          console.error(message);
+          break;
+        case 1:
+          console.error(message, a);
+          break;
+        case 2:
+          console.error(message, a, b);
+          break;
+        case 3:
+          console.error(message, a, b, c);
+          break;
+        case 4:
+          console.error(message, a, b, c, d);
+          break;
+        case 5:
+          console.error(message, a, b, c, d, e);
+          break;
+        case 6:
+          console.error(message, a, b, c, d, e, f);
+          break;
+        case 7:
+          console.error(message, a, b, c, d, e, f, g);
+          break;
+        case 8:
+          console.error(message, a, b, c, d, e, f, g, h);
+          break;
+        default:
+          throw new Error('warningWithoutStack() currently supports at most 8 arguments.');
+      }
     }
     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);
+      var argIndex = 0;
+      var _message = 'Warning: ' + format.replace(/%s/g, function () {
+        return args[argIndex++];
+      });
+      throw new Error(_message);
     } catch (x) {}
   };
-
-  warning = function warning(condition, format) {
-    if (format === undefined) {
-      throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument');
-    }
-
-    if (format.indexOf('Failed Composite propType: ') === 0) {
-      return; // Ignore CompositeComponent proptype check.
-    }
-
-    if (!condition) {
-      for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
-        args[_key2 - 2] = arguments[_key2];
-      }
-
-      printWarning$1.apply(undefined, [format].concat(args));
-    }
-  };
 }
 
-var warning_1 = warning;
+var warningWithoutStack$1 = warningWithoutStack;
 
 var didWarnStateUpdateForUnmountedComponent = {};
 
 function warnNoop(publicInstance, callerName) {
   {
-    var constructor = publicInstance.constructor;
-    var componentName = constructor && (constructor.displayName || constructor.name) || 'ReactClass';
+    var _constructor = publicInstance.constructor;
+    var componentName = _constructor && (_constructor.displayName || _constructor.name) || 'ReactClass';
     var warningKey = componentName + '.' + callerName;
     if (didWarnStateUpdateForUnmountedComponent[warningKey]) {
       return;
     }
-    warning_1(false, '%s(...): Can only update a mounted or mounting component. ' + 'This usually means you called %s() on an unmounted component. ' + 'This is a no-op.\n\nPlease check the code for the %s component.', callerName, callerName, componentName);
+    warningWithoutStack$1(false, "Can't call %s on a component that is not yet mounted. " + 'This is a no-op, but it might indicate a bug in your application. ' + 'Instead, assign to `this.state` directly or define a `state = {};` ' + 'class property with the desired state in the %s component.', callerName, componentName);
     didWarnStateUpdateForUnmountedComponent[warningKey] = true;
   }
 }
@@ -447,13 +451,19 @@ var ReactNoopUpdateQueue = {
   }
 };
 
+var emptyObject = {};
+{
+  Object.freeze(emptyObject);
+}
+
 /**
  * Base class helpers for the updating state of a component.
  */
 function Component(props, context, updater) {
   this.props = props;
   this.context = context;
-  this.refs = emptyObject_1;
+  // If a component has string refs, we will assign a different object later.
+  this.refs = emptyObject;
   // We initialize the default updater but the real one gets injected by the
   // renderer.
   this.updater = updater || ReactNoopUpdateQueue;
@@ -487,7 +497,7 @@ Component.prototype.isReactComponent = {};
  * @protected
  */
 Component.prototype.setState = function (partialState, callback) {
-  !(typeof partialState === 'object' || typeof partialState === 'function' || partialState == null) ? invariant_1(false, 'setState(...): takes an object of state variables to update or a function which returns an object of state variables.') : void 0;
+  !(typeof partialState === 'object' || typeof partialState === 'function' || partialState == null) ? invariant(false, 'setState(...): takes an object of state variables to update or a function which returns an object of state variables.') : void 0;
   this.updater.enqueueSetState(this, partialState, callback, 'setState');
 };
 
@@ -534,46 +544,795 @@ Component.prototype.forceUpdate = function (callback) {
   }
 }
 
+function ComponentDummy() {}
+ComponentDummy.prototype = Component.prototype;
+
 /**
- * Base class helpers for the updating state of a component.
+ * Convenience component with default shallow equality check for sCU.
  */
 function PureComponent(props, context, updater) {
-  // Duplicated from Component.
   this.props = props;
   this.context = context;
-  this.refs = emptyObject_1;
-  // We initialize the default updater but the real one gets injected by the
-  // renderer.
+  // If a component has string refs, we will assign a different object later.
+  this.refs = emptyObject;
   this.updater = updater || ReactNoopUpdateQueue;
 }
 
-function ComponentDummy() {}
-ComponentDummy.prototype = Component.prototype;
 var pureComponentPrototype = PureComponent.prototype = new ComponentDummy();
 pureComponentPrototype.constructor = PureComponent;
 // Avoid an extra prototype jump for these methods.
 objectAssign(pureComponentPrototype, Component.prototype);
 pureComponentPrototype.isPureReactComponent = true;
 
-function AsyncComponent(props, context, updater) {
-  // Duplicated from Component.
-  this.props = props;
-  this.context = context;
-  this.refs = emptyObject_1;
-  // We initialize the default updater but the real one gets injected by the
-  // renderer.
-  this.updater = updater || ReactNoopUpdateQueue;
+// an immutable object with a single mutable value
+function createRef() {
+  var refObject = {
+    current: null
+  };
+  {
+    Object.seal(refObject);
+  }
+  return refObject;
 }
 
-var asyncComponentPrototype = AsyncComponent.prototype = new ComponentDummy();
-asyncComponentPrototype.constructor = AsyncComponent;
-// Avoid an extra prototype jump for these methods.
-objectAssign(asyncComponentPrototype, Component.prototype);
-asyncComponentPrototype.unstable_isAsyncReactComponent = true;
-asyncComponentPrototype.render = function () {
-  return this.props.children;
+/* eslint-disable no-var */
+
+// TODO: Currently there's only a single priority level, Deferred. Will add
+// additional priorities.
+var DEFERRED_TIMEOUT = 5000;
+
+// Callbacks are stored as a circular, doubly linked list.
+var firstCallbackNode = null;
+
+var isPerformingWork = false;
+
+var isHostCallbackScheduled = false;
+
+var hasNativePerformanceNow = typeof performance === 'object' && typeof performance.now === 'function';
+
+var timeRemaining;
+if (hasNativePerformanceNow) {
+  timeRemaining = function () {
+    // We assume that if we have a performance timer that the rAF callback
+    // gets a performance timer value. Not sure if this is always true.
+    var remaining = getFrameDeadline() - performance.now();
+    return remaining > 0 ? remaining : 0;
+  };
+} else {
+  timeRemaining = function () {
+    // Fallback to Date.now()
+    var remaining = getFrameDeadline() - Date.now();
+    return remaining > 0 ? remaining : 0;
+  };
+}
+
+var deadlineObject = {
+  timeRemaining: timeRemaining,
+  didTimeout: false
 };
 
+function ensureHostCallbackIsScheduled() {
+  if (isPerformingWork) {
+    // Don't schedule work yet; wait until the next time we yield.
+    return;
+  }
+  // Schedule the host callback using the earliest timeout in the list.
+  var timesOutAt = firstCallbackNode.timesOutAt;
+  if (!isHostCallbackScheduled) {
+    isHostCallbackScheduled = true;
+  } else {
+    // Cancel the existing host callback.
+    cancelCallback();
+  }
+  requestCallback(flushWork, timesOutAt);
+}
+
+function flushFirstCallback(node) {
+  var flushedNode = firstCallbackNode;
+
+  // Remove the node from the list before calling the callback. That way the
+  // list is in a consistent state even if the callback throws.
+  var next = firstCallbackNode.next;
+  if (firstCallbackNode === next) {
+    // This is the last callback in the list.
+    firstCallbackNode = null;
+    next = null;
+  } else {
+    var previous = firstCallbackNode.previous;
+    firstCallbackNode = previous.next = next;
+    next.previous = previous;
+  }
+
+  flushedNode.next = flushedNode.previous = null;
+
+  // Now it's safe to call the callback.
+  var callback = flushedNode.callback;
+  callback(deadlineObject);
+}
+
+function flushWork(didTimeout) {
+  isPerformingWork = true;
+  deadlineObject.didTimeout = didTimeout;
+  try {
+    if (didTimeout) {
+      // Flush all the timed out callbacks without yielding.
+      while (firstCallbackNode !== null) {
+        // Read the current time. Flush all the callbacks that expire at or
+        // earlier than that time. Then read the current time again and repeat.
+        // This optimizes for as few performance.now calls as possible.
+        var currentTime = getCurrentTime();
+        if (firstCallbackNode.timesOutAt <= currentTime) {
+          do {
+            flushFirstCallback();
+          } while (firstCallbackNode !== null && firstCallbackNode.timesOutAt <= currentTime);
+          continue;
+        }
+        break;
+      }
+    } else {
+      // Keep flushing callbacks until we run out of time in the frame.
+      if (firstCallbackNode !== null) {
+        do {
+          flushFirstCallback();
+        } while (firstCallbackNode !== null && getFrameDeadline() - getCurrentTime() > 0);
+      }
+    }
+  } finally {
+    isPerformingWork = false;
+    if (firstCallbackNode !== null) {
+      // There's still work remaining. Request another callback.
+      ensureHostCallbackIsScheduled(firstCallbackNode);
+    } else {
+      isHostCallbackScheduled = false;
+    }
+  }
+}
+
+function unstable_scheduleWork(callback, options) {
+  var currentTime = getCurrentTime();
+
+  var timesOutAt;
+  if (options !== undefined && options !== null && options.timeout !== null && options.timeout !== undefined) {
+    // Check for an explicit timeout
+    timesOutAt = currentTime + options.timeout;
+  } else {
+    // Compute an absolute timeout using the default constant.
+    timesOutAt = currentTime + DEFERRED_TIMEOUT;
+  }
+
+  var newNode = {
+    callback: callback,
+    timesOutAt: timesOutAt,
+    next: null,
+    previous: null
+  };
+
+  // Insert the new callback into the list, sorted by its timeout.
+  if (firstCallbackNode === null) {
+    // This is the first callback in the list.
+    firstCallbackNode = newNode.next = newNode.previous = newNode;
+    ensureHostCallbackIsScheduled(firstCallbackNode);
+  } else {
+    var next = null;
+    var node = firstCallbackNode;
+    do {
+      if (node.timesOutAt > timesOutAt) {
+        // The new callback times out before this one.
+        next = node;
+        break;
+      }
+      node = node.next;
+    } while (node !== firstCallbackNode);
+
+    if (next === null) {
+      // No callback with a later timeout was found, which means the new
+      // callback has the latest timeout in the list.
+      next = firstCallbackNode;
+    } else if (next === firstCallbackNode) {
+      // The new callback has the earliest timeout in the entire list.
+      firstCallbackNode = newNode;
+      ensureHostCallbackIsScheduled(firstCallbackNode);
+    }
+
+    var previous = next.previous;
+    previous.next = next.previous = newNode;
+    newNode.next = next;
+    newNode.previous = previous;
+  }
+
+  return newNode;
+}
+
+function unstable_cancelScheduledWork(callbackNode) {
+  var next = callbackNode.next;
+  if (next === null) {
+    // Already cancelled.
+    return;
+  }
+
+  if (next === callbackNode) {
+    // This is the only scheduled callback. Clear the list.
+    firstCallbackNode = null;
+  } else {
+    // Remove the callback from its position in the list.
+    if (callbackNode === firstCallbackNode) {
+      firstCallbackNode = next;
+    }
+    var previous = callbackNode.previous;
+    previous.next = next;
+    next.previous = previous;
+  }
+
+  callbackNode.next = callbackNode.previous = null;
+}
+
+// The remaining code is essentially a polyfill for requestIdleCallback. It
+// works by scheduling a requestAnimationFrame, storing the time for the start
+// of the frame, then scheduling a postMessage which gets scheduled after paint.
+// Within the postMessage handler do as much work as possible until time + frame
+// rate. By separating the idle call into a separate event tick we ensure that
+// layout, paint and other browser work is counted against the available time.
+// The frame rate is dynamically adjusted.
+
+// We capture a local reference to any global, in case it gets polyfilled after
+// this module is initially evaluated. We want to be using a
+// consistent implementation.
+var localDate = Date;
+
+// This initialization code may run even on server environments if a component
+// just imports ReactDOM (e.g. for findDOMNode). Some environments might not
+// have setTimeout or clearTimeout. However, we always expect them to be defined
+// on the client. https://github.com/facebook/react/pull/13088
+var localSetTimeout = typeof setTimeout === 'function' ? setTimeout : undefined;
+var localClearTimeout = typeof clearTimeout === 'function' ? clearTimeout : undefined;
+
+// We don't expect either of these to necessarily be defined, but we will error
+// later if they are missing on the client.
+var localRequestAnimationFrame = typeof requestAnimationFrame === 'function' ? requestAnimationFrame : undefined;
+var localCancelAnimationFrame = typeof cancelAnimationFrame === 'function' ? cancelAnimationFrame : undefined;
+
+var getCurrentTime;
+
+// requestAnimationFrame does not run when the tab is in the background. If
+// we're backgrounded we prefer for that work to happen so that the page
+// continues to load in the background. So we also schedule a 'setTimeout' as
+// a fallback.
+// TODO: Need a better heuristic for backgrounded work.
+var ANIMATION_FRAME_TIMEOUT = 100;
+var rAFID;
+var rAFTimeoutID;
+var requestAnimationFrameWithTimeout = function (callback) {
+  // schedule rAF and also a setTimeout
+  rAFID = localRequestAnimationFrame(function (timestamp) {
+    // cancel the setTimeout
+    localClearTimeout(rAFTimeoutID);
+    callback(timestamp);
+  });
+  rAFTimeoutID = localSetTimeout(function () {
+    // cancel the requestAnimationFrame
+    localCancelAnimationFrame(rAFID);
+    callback(getCurrentTime());
+  }, ANIMATION_FRAME_TIMEOUT);
+};
+
+if (hasNativePerformanceNow) {
+  var Performance = performance;
+  getCurrentTime = function () {
+    return Performance.now();
+  };
+} else {
+  getCurrentTime = function () {
+    return localDate.now();
+  };
+}
+
+var requestCallback;
+var cancelCallback;
+var getFrameDeadline;
+
+if (typeof window === 'undefined') {
+  // If this accidentally gets imported in a non-browser environment, fallback
+  // to a naive implementation.
+  var timeoutID = -1;
+  requestCallback = function (callback, absoluteTimeout) {
+    timeoutID = setTimeout(callback, 0, true);
+  };
+  cancelCallback = function () {
+    clearTimeout(timeoutID);
+  };
+  getFrameDeadline = function () {
+    return 0;
+  };
+} else if (window._schedMock) {
+  // Dynamic injection, only for testing purposes.
+  var impl = window._schedMock;
+  requestCallback = impl[0];
+  cancelCallback = impl[1];
+  getFrameDeadline = impl[2];
+} else {
+  if (typeof console !== 'undefined') {
+    if (typeof localRequestAnimationFrame !== 'function') {
+      console.error("This browser doesn't support requestAnimationFrame. " + 'Make sure that you load a ' + 'polyfill in older browsers. https://fb.me/react-polyfills');
+    }
+    if (typeof localCancelAnimationFrame !== 'function') {
+      console.error("This browser doesn't support cancelAnimationFrame. " + 'Make sure that you load a ' + 'polyfill in older browsers. https://fb.me/react-polyfills');
+    }
+  }
+
+  var scheduledCallback = null;
+  var isIdleScheduled = false;
+  var timeoutTime = -1;
+
+  var isAnimationFrameScheduled = false;
+
+  var isPerformingIdleWork = false;
+
+  var frameDeadline = 0;
+  // We start out assuming that we run at 30fps but then the heuristic tracking
+  // will adjust this value to a faster fps if we get more frequent animation
+  // frames.
+  var previousFrameTime = 33;
+  var activeFrameTime = 33;
+
+  getFrameDeadline = function () {
+    return frameDeadline;
+  };
+
+  // We use the postMessage trick to defer idle work until after the repaint.
+  var messageKey = '__reactIdleCallback$' + Math.random().toString(36).slice(2);
+  var idleTick = function (event) {
+    if (event.source !== window || event.data !== messageKey) {
+      return;
+    }
+
+    isIdleScheduled = false;
+
+    var currentTime = getCurrentTime();
+
+    var didTimeout = false;
+    if (frameDeadline - currentTime <= 0) {
+      // There's no time left in this idle period. Check if the callback has
+      // a timeout and whether it's been exceeded.
+      if (timeoutTime !== -1 && timeoutTime <= currentTime) {
+        // Exceeded the timeout. Invoke the callback even though there's no
+        // time left.
+        didTimeout = true;
+      } else {
+        // No timeout.
+        if (!isAnimationFrameScheduled) {
+          // Schedule another animation callback so we retry later.
+          isAnimationFrameScheduled = true;
+          requestAnimationFrameWithTimeout(animationTick);
+        }
+        // Exit without invoking the callback.
+        return;
+      }
+    }
+
+    timeoutTime = -1;
+    var callback = scheduledCallback;
+    scheduledCallback = null;
+    if (callback !== null) {
+      isPerformingIdleWork = true;
+      try {
+        callback(didTimeout);
+      } finally {
+        isPerformingIdleWork = false;
+      }
+    }
+  };
+  // Assumes that we have addEventListener in this environment. Might need
+  // something better for old IE.
+  window.addEventListener('message', idleTick, false);
+
+  var animationTick = function (rafTime) {
+    isAnimationFrameScheduled = false;
+    var nextFrameTime = rafTime - frameDeadline + activeFrameTime;
+    if (nextFrameTime < activeFrameTime && previousFrameTime < activeFrameTime) {
+      if (nextFrameTime < 8) {
+        // Defensive coding. We don't support higher frame rates than 120hz.
+        // If we get lower than that, it is probably a bug.
+        nextFrameTime = 8;
+      }
+      // If one frame goes long, then the next one can be short to catch up.
+      // If two frames are short in a row, then that's an indication that we
+      // actually have a higher frame rate than what we're currently optimizing.
+      // We adjust our heuristic dynamically accordingly. For example, if we're
+      // running on 120hz display or 90hz VR display.
+      // Take the max of the two in case one of them was an anomaly due to
+      // missed frame deadlines.
+      activeFrameTime = nextFrameTime < previousFrameTime ? previousFrameTime : nextFrameTime;
+    } else {
+      previousFrameTime = nextFrameTime;
+    }
+    frameDeadline = rafTime + activeFrameTime;
+    if (!isIdleScheduled) {
+      isIdleScheduled = true;
+      window.postMessage(messageKey, '*');
+    }
+  };
+
+  requestCallback = function (callback, absoluteTimeout) {
+    scheduledCallback = callback;
+    timeoutTime = absoluteTimeout;
+    if (isPerformingIdleWork) {
+      // If we're already performing idle work, an error must have been thrown.
+      // Don't wait for the next frame. Continue working ASAP, in a new event.
+      window.postMessage(messageKey, '*');
+    } else if (!isAnimationFrameScheduled) {
+      // If rAF didn't already schedule one, we need to schedule a frame.
+      // TODO: If this rAF doesn't materialize because the browser throttles, we
+      // might want to still have setTimeout trigger rIC as a backup to ensure
+      // that we keep performing work.
+      isAnimationFrameScheduled = true;
+      requestAnimationFrameWithTimeout(animationTick);
+    }
+  };
+
+  cancelCallback = function () {
+    scheduledCallback = null;
+    isIdleScheduled = false;
+    timeoutTime = -1;
+  };
+}
+
+var DEFAULT_THREAD_ID = 0;
+
+// Counters used to generate unique IDs.
+var interactionIDCounter = 0;
+var threadIDCounter = 0;
+
+// Set of currently traced interactions.
+// Interactions "stack"–
+// Meaning that newly traced interactions are appended to the previously active set.
+// When an interaction goes out of scope, the previous set (if any) is restored.
+var interactionsRef = null;
+
+// Listener(s) to notify when interactions begin and end.
+var subscriberRef = null;
+
+if (enableSchedulerTracing) {
+  interactionsRef = {
+    current: new Set()
+  };
+  subscriberRef = {
+    current: null
+  };
+}
+
+function unstable_clear(callback) {
+  if (!enableSchedulerTracing) {
+    return callback();
+  }
+
+  var prevInteractions = interactionsRef.current;
+  interactionsRef.current = new Set();
+
+  try {
+    return callback();
+  } finally {
+    interactionsRef.current = prevInteractions;
+  }
+}
+
+function unstable_getCurrent() {
+  if (!enableSchedulerTracing) {
+    return null;
+  } else {
+    return interactionsRef.current;
+  }
+}
+
+function unstable_getThreadID() {
+  return ++threadIDCounter;
+}
+
+function unstable_trace(name, timestamp, callback) {
+  var threadID = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : DEFAULT_THREAD_ID;
+
+  if (!enableSchedulerTracing) {
+    return callback();
+  }
+
+  var interaction = {
+    __count: 1,
+    id: interactionIDCounter++,
+    name: name,
+    timestamp: timestamp
+  };
+
+  var prevInteractions = interactionsRef.current;
+
+  // Traced interactions should stack/accumulate.
+  // To do that, clone the current interactions.
+  // The previous set will be restored upon completion.
+  var interactions = new Set(prevInteractions);
+  interactions.add(interaction);
+  interactionsRef.current = interactions;
+
+  var subscriber = subscriberRef.current;
+  var returnValue = void 0;
+
+  try {
+    if (subscriber !== null) {
+      subscriber.onInteractionTraced(interaction);
+    }
+  } finally {
+    try {
+      if (subscriber !== null) {
+        subscriber.onWorkStarted(interactions, threadID);
+      }
+    } finally {
+      try {
+        returnValue = callback();
+      } finally {
+        interactionsRef.current = prevInteractions;
+
+        try {
+          if (subscriber !== null) {
+            subscriber.onWorkStopped(interactions, threadID);
+          }
+        } finally {
+          interaction.__count--;
+
+          // If no async work was scheduled for this interaction,
+          // Notify subscribers that it's completed.
+          if (subscriber !== null && interaction.__count === 0) {
+            subscriber.onInteractionScheduledWorkCompleted(interaction);
+          }
+        }
+      }
+    }
+  }
+
+  return returnValue;
+}
+
+function unstable_wrap(callback) {
+  var threadID = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : DEFAULT_THREAD_ID;
+
+  if (!enableSchedulerTracing) {
+    return callback;
+  }
+
+  var wrappedInteractions = interactionsRef.current;
+
+  var subscriber = subscriberRef.current;
+  if (subscriber !== null) {
+    subscriber.onWorkScheduled(wrappedInteractions, threadID);
+  }
+
+  // Update the pending async work count for the current interactions.
+  // Update after calling subscribers in case of error.
+  wrappedInteractions.forEach(function (interaction) {
+    interaction.__count++;
+  });
+
+  var hasRun = false;
+
+  function wrapped() {
+    var prevInteractions = interactionsRef.current;
+    interactionsRef.current = wrappedInteractions;
+
+    subscriber = subscriberRef.current;
+
+    try {
+      var returnValue = void 0;
+
+      try {
+        if (subscriber !== null) {
+          subscriber.onWorkStarted(wrappedInteractions, threadID);
+        }
+      } finally {
+        try {
+          returnValue = callback.apply(undefined, arguments);
+        } finally {
+          interactionsRef.current = prevInteractions;
+
+          if (subscriber !== null) {
+            subscriber.onWorkStopped(wrappedInteractions, threadID);
+          }
+        }
+      }
+
+      return returnValue;
+    } finally {
+      if (!hasRun) {
+        // We only expect a wrapped function to be executed once,
+        // But in the event that it's executed more than once–
+        // Only decrement the outstanding interaction counts once.
+        hasRun = true;
+
+        // Update pending async counts for all wrapped interactions.
+        // If this was the last scheduled async work for any of them,
+        // Mark them as completed.
+        wrappedInteractions.forEach(function (interaction) {
+          interaction.__count--;
+
+          if (subscriber !== null && interaction.__count === 0) {
+            subscriber.onInteractionScheduledWorkCompleted(interaction);
+          }
+        });
+      }
+    }
+  }
+
+  wrapped.cancel = function cancel() {
+    subscriber = subscriberRef.current;
+
+    try {
+      if (subscriber !== null) {
+        subscriber.onWorkCanceled(wrappedInteractions, threadID);
+      }
+    } finally {
+      // Update pending async counts for all wrapped interactions.
+      // If this was the last scheduled async work for any of them,
+      // Mark them as completed.
+      wrappedInteractions.forEach(function (interaction) {
+        interaction.__count--;
+
+        if (subscriber && interaction.__count === 0) {
+          subscriber.onInteractionScheduledWorkCompleted(interaction);
+        }
+      });
+    }
+  };
+
+  return wrapped;
+}
+
+var subscribers = null;
+if (enableSchedulerTracing) {
+  subscribers = new Set();
+}
+
+function unstable_subscribe(subscriber) {
+  if (enableSchedulerTracing) {
+    subscribers.add(subscriber);
+
+    if (subscribers.size === 1) {
+      subscriberRef.current = {
+        onInteractionScheduledWorkCompleted: onInteractionScheduledWorkCompleted,
+        onInteractionTraced: onInteractionTraced,
+        onWorkCanceled: onWorkCanceled,
+        onWorkScheduled: onWorkScheduled,
+        onWorkStarted: onWorkStarted,
+        onWorkStopped: onWorkStopped
+      };
+    }
+  }
+}
+
+function unstable_unsubscribe(subscriber) {
+  if (enableSchedulerTracing) {
+    subscribers.delete(subscriber);
+
+    if (subscribers.size === 0) {
+      subscriberRef.current = null;
+    }
+  }
+}
+
+function onInteractionTraced(interaction) {
+  var didCatchError = false;
+  var caughtError = null;
+
+  subscribers.forEach(function (subscriber) {
+    try {
+      subscriber.onInteractionTraced(interaction);
+    } catch (error) {
+      if (!didCatchError) {
+        didCatchError = true;
+        caughtError = error;
+      }
+    }
+  });
+
+  if (didCatchError) {
+    throw caughtError;
+  }
+}
+
+function onInteractionScheduledWorkCompleted(interaction) {
+  var didCatchError = false;
+  var caughtError = null;
+
+  subscribers.forEach(function (subscriber) {
+    try {
+      subscriber.onInteractionScheduledWorkCompleted(interaction);
+    } catch (error) {
+      if (!didCatchError) {
+        didCatchError = true;
+        caughtError = error;
+      }
+    }
+  });
+
+  if (didCatchError) {
+    throw caughtError;
+  }
+}
+
+function onWorkScheduled(interactions, threadID) {
+  var didCatchError = false;
+  var caughtError = null;
+
+  subscribers.forEach(function (subscriber) {
+    try {
+      subscriber.onWorkScheduled(interactions, threadID);
+    } catch (error) {
+      if (!didCatchError) {
+        didCatchError = true;
+        caughtError = error;
+      }
+    }
+  });
+
+  if (didCatchError) {
+    throw caughtError;
+  }
+}
+
+function onWorkStarted(interactions, threadID) {
+  var didCatchError = false;
+  var caughtError = null;
+
+  subscribers.forEach(function (subscriber) {
+    try {
+      subscriber.onWorkStarted(interactions, threadID);
+    } catch (error) {
+      if (!didCatchError) {
+        didCatchError = true;
+        caughtError = error;
+      }
+    }
+  });
+
+  if (didCatchError) {
+    throw caughtError;
+  }
+}
+
+function onWorkStopped(interactions, threadID) {
+  var didCatchError = false;
+  var caughtError = null;
+
+  subscribers.forEach(function (subscriber) {
+    try {
+      subscriber.onWorkStopped(interactions, threadID);
+    } catch (error) {
+      if (!didCatchError) {
+        didCatchError = true;
+        caughtError = error;
+      }
+    }
+  });
+
+  if (didCatchError) {
+    throw caughtError;
+  }
+}
+
+function onWorkCanceled(interactions, threadID) {
+  var didCatchError = false;
+  var caughtError = null;
+
+  subscribers.forEach(function (subscriber) {
+    try {
+      subscriber.onWorkCanceled(interactions, threadID);
+    } catch (error) {
+      if (!didCatchError) {
+        didCatchError = true;
+        caughtError = error;
+      }
+    }
+  });
+
+  if (didCatchError) {
+    throw caughtError;
+  }
+}
+
 /**
  * Keeps track of the current owner.
  *
@@ -585,9 +1344,203 @@ var ReactCurrentOwner = {
    * @internal
    * @type {ReactComponent}
    */
-  current: null
+  current: null,
+  currentDispatcher: null
+};
+
+var BEFORE_SLASH_RE = /^(.*)[\\\/]/;
+
+var describeComponentFrame = function (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;
 };
 
+var Resolved = 1;
+
+
+
+
+function refineResolvedThenable(thenable) {
+  return thenable._reactStatus === Resolved ? thenable._reactResult : null;
+}
+
+function getComponentName(type) {
+  if (type == null) {
+    // Host root, text node or just invalid type.
+    return null;
+  }
+  {
+    if (typeof type.tag === 'number') {
+      warningWithoutStack$1(false, '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_ASYNC_MODE_TYPE:
+      return 'AsyncMode';
+    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_PLACEHOLDER_TYPE:
+      return 'Placeholder';
+  }
+  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:
+        var renderFn = type.render;
+        var functionName = renderFn.displayName || renderFn.name || '';
+        return type.displayName || (functionName !== '' ? 'ForwardRef(' + functionName + ')' : 'ForwardRef');
+    }
+    if (typeof type.then === 'function') {
+      var thenable = type;
+      var resolvedThenable = refineResolvedThenable(thenable);
+      if (resolvedThenable) {
+        return getComponentName(resolvedThenable);
+      }
+    }
+  }
+  return null;
+}
+
+var ReactDebugCurrentFrame = {};
+
+var currentlyValidatingElement = null;
+
+function setCurrentlyValidatingElement(element) {
+  {
+    currentlyValidatingElement = element;
+  }
+}
+
+{
+  // Stack implementation injected by the current renderer.
+  ReactDebugCurrentFrame.getCurrentStack = null;
+
+  ReactDebugCurrentFrame.getStackAddendum = function () {
+    var stack = '';
+
+    // Add an extra top frame while an element is being validated
+    if (currentlyValidatingElement) {
+      var name = getComponentName(currentlyValidatingElement.type);
+      var owner = currentlyValidatingElement._owner;
+      stack += describeComponentFrame(name, currentlyValidatingElement._source, owner && getComponentName(owner.type));
+    }
+
+    // Delegate to the injected renderer-specific implementation
+    var impl = ReactDebugCurrentFrame.getCurrentStack;
+    if (impl) {
+      stack += impl() || '';
+    }
+
+    return stack;
+  };
+}
+
+var ReactSharedInternals = {
+  ReactCurrentOwner: ReactCurrentOwner,
+  // Used by renderers to avoid bundling object-assign twice in UMD bundles:
+  assign: objectAssign
+};
+
+{
+  // Re-export the schedule API(s) for UMD bundles.
+  // This avoids introducing a dependency on a new UMD global in a minor update,
+  // Since that would be a breaking change (e.g. for all existing CodeSandboxes).
+  // This re-export is only required for UMD bundles;
+  // CJS bundles use the shared NPM package.
+  objectAssign(ReactSharedInternals, {
+    Schedule: {
+      unstable_cancelScheduledWork: unstable_cancelScheduledWork,
+      unstable_now: getCurrentTime,
+      unstable_scheduleWork: unstable_scheduleWork
+    },
+    ScheduleTracing: {
+      __interactionsRef: interactionsRef,
+      __subscriberRef: subscriberRef,
+      unstable_clear: unstable_clear,
+      unstable_getCurrent: unstable_getCurrent,
+      unstable_getThreadID: unstable_getThreadID,
+      unstable_subscribe: unstable_subscribe,
+      unstable_trace: unstable_trace,
+      unstable_unsubscribe: unstable_unsubscribe,
+      unstable_wrap: unstable_wrap
+    }
+  });
+}
+
+{
+  objectAssign(ReactSharedInternals, {
+    // These should not be included in production.
+    ReactDebugCurrentFrame: ReactDebugCurrentFrame,
+    // Shim for React DOM 16.0.0 which still destructured (but not used) this.
+    // TODO: remove in React 17.0.
+    ReactComponentTreeHook: {}
+  });
+}
+
+/**
+ * Similar to invariant but only logs a warning if the condition is not met.
+ * This can be used to log issues in development environments in critical
+ * paths. Removing the logging code for production environments will keep the
+ * same logic and follow the same code paths.
+ */
+
+var warning = warningWithoutStack$1;
+
+{
+  warning = function (condition, format) {
+    if (condition) {
+      return;
+    }
+    var ReactDebugCurrentFrame = ReactSharedInternals.ReactDebugCurrentFrame;
+    var stack = ReactDebugCurrentFrame.getStackAddendum();
+    // eslint-disable-next-line react-internal/warning-and-invariant-args
+
+    for (var _len = arguments.length, args = Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
+      args[_key - 2] = arguments[_key];
+    }
+
+    warningWithoutStack$1.apply(undefined, [false, format + '%s'].concat(args, [stack]));
+  };
+}
+
+var warning$1 = warning;
+
 var hasOwnProperty$1 = Object.prototype.hasOwnProperty;
 
 var RESERVED_PROPS = {
@@ -597,8 +1550,8 @@ var RESERVED_PROPS = {
   __source: true
 };
 
-var specialPropKeyWarningShown;
-var specialPropRefWarningShown;
+var specialPropKeyWarningShown = void 0;
+var specialPropRefWarningShown = void 0;
 
 function hasValidRef(config) {
   {
@@ -628,7 +1581,7 @@ function defineKeyPropWarningGetter(props, displayName) {
   var warnAboutAccessingKey = function () {
     if (!specialPropKeyWarningShown) {
       specialPropKeyWarningShown = true;
-      warning_1(false, '%s: `key` is not a prop. Trying to access it will result ' + 'in `undefined` being returned. If you need to access the same ' + 'value within the child component, you should pass it as a different ' + 'prop. (https://fb.me/react-special-props)', displayName);
+      warningWithoutStack$1(false, '%s: `key` is not a prop. Trying to access it will result ' + 'in `undefined` being returned. If you need to access the same ' + 'value within the child component, you should pass it as a different ' + 'prop. (https://fb.me/react-special-props)', displayName);
     }
   };
   warnAboutAccessingKey.isReactWarning = true;
@@ -642,7 +1595,7 @@ function defineRefPropWarningGetter(props, displayName) {
   var warnAboutAccessingRef = function () {
     if (!specialPropRefWarningShown) {
       specialPropRefWarningShown = true;
-      warning_1(false, '%s: `ref` is not a prop. Trying to access it will result ' + 'in `undefined` being returned. If you need to access the same ' + 'value within the child component, you should pass it as a different ' + 'prop. (https://fb.me/react-special-props)', displayName);
+      warningWithoutStack$1(false, '%s: `ref` is not a prop. Trying to access it will result ' + 'in `undefined` being returned. If you need to access the same ' + 'value within the child component, you should pass it as a different ' + 'prop. (https://fb.me/react-special-props)', displayName);
     }
   };
   warnAboutAccessingRef.isReactWarning = true;
@@ -674,7 +1627,7 @@ function defineRefPropWarningGetter(props, displayName) {
  */
 var ReactElement = function (type, key, ref, self, source, owner, props) {
   var element = {
-    // This tag allow us to uniquely identify this as a React Element
+    // This tag allows us to uniquely identify this as a React Element
     $$typeof: REACT_ELEMENT_TYPE,
 
     // Built-in properties that belong on the element
@@ -733,7 +1686,7 @@ var ReactElement = function (type, key, ref, self, source, owner, props) {
  * See https://reactjs.org/docs/react-api.html#createelement
  */
 function createElement(type, config, children) {
-  var propName;
+  var propName = void 0;
 
   // Reserved names are extracted
   var props = {};
@@ -790,14 +1743,12 @@ function createElement(type, config, children) {
   }
   {
     if (key || ref) {
-      if (typeof props.$$typeof === 'undefined' || props.$$typeof !== REACT_ELEMENT_TYPE) {
-        var displayName = typeof type === 'function' ? type.displayName || type.name || 'Unknown' : type;
-        if (key) {
-          defineKeyPropWarningGetter(props, displayName);
-        }
-        if (ref) {
-          defineRefPropWarningGetter(props, displayName);
-        }
+      var displayName = typeof type === 'function' ? type.displayName || type.name || 'Unknown' : type;
+      if (key) {
+        defineKeyPropWarningGetter(props, displayName);
+      }
+      if (ref) {
+        defineRefPropWarningGetter(props, displayName);
       }
     }
   }
@@ -821,7 +1772,9 @@ function cloneAndReplaceKey(oldElement, newKey) {
  * See https://reactjs.org/docs/react-api.html#cloneelement
  */
 function cloneElement(element, config, children) {
-  var propName;
+  !!(element === null || element === undefined) ? invariant(false, 'React.cloneElement(...): The argument must be a React element, but you passed %s.', element) : void 0;
+
+  var propName = void 0;
 
   // Original props are copied
   var props = objectAssign({}, element.props);
@@ -850,7 +1803,7 @@ function cloneElement(element, config, children) {
     }
 
     // Remaining properties override existing props
-    var defaultProps;
+    var defaultProps = void 0;
     if (element.type && element.type.defaultProps) {
       defaultProps = element.type.defaultProps;
     }
@@ -886,28 +1839,13 @@ function cloneElement(element, config, children) {
  * Verifies the object is a ReactElement.
  * See https://reactjs.org/docs/react-api.html#isvalidelement
  * @param {?object} object
- * @return {boolean} True if `object` is a valid component.
+ * @return {boolean} True if `object` is a ReactElement.
  * @final
  */
 function isValidElement(object) {
   return typeof object === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE;
 }
 
-var ReactDebugCurrentFrame = {};
-
-{
-  // Component that is being worked on
-  ReactDebugCurrentFrame.getCurrentStack = null;
-
-  ReactDebugCurrentFrame.getStackAddendum = function () {
-    var impl = ReactDebugCurrentFrame.getCurrentStack;
-    if (impl) {
-      return impl();
-    }
-    return null;
-  };
-}
-
 var SEPARATOR = '.';
 var SUBSEPARATOR = ':';
 
@@ -1004,8 +1942,6 @@ function traverseAllChildrenImpl(children, nameSoFar, callback, traverseContext)
       case 'object':
         switch (children.$$typeof) {
           case REACT_ELEMENT_TYPE:
-          case REACT_CALL_TYPE:
-          case REACT_RETURN_TYPE:
           case REACT_PORTAL_TYPE:
             invokeCallback = true;
         }
@@ -1020,8 +1956,8 @@ function traverseAllChildrenImpl(children, nameSoFar, callback, traverseContext)
     return 1;
   }
 
-  var child;
-  var nextName;
+  var child = void 0;
+  var nextName = void 0;
   var subtreeCount = 0; // Count of children found in the current subtree.
   var nextNamePrefix = nameSoFar === '' ? SEPARATOR : nameSoFar + SUBSEPARATOR;
 
@@ -1037,13 +1973,13 @@ function traverseAllChildrenImpl(children, nameSoFar, callback, traverseContext)
       {
         // Warn about using Maps as children
         if (iteratorFn === children.entries) {
-          warning_1(didWarnAboutMaps, 'Using Maps as children is unsupported and will likely yield ' + 'unexpected results. Convert it to a sequence/iterable of keyed ' + 'ReactElements instead.%s', ReactDebugCurrentFrame.getStackAddendum());
+          !didWarnAboutMaps ? warning$1(false, 'Using Maps as children is unsupported and will likely yield ' + 'unexpected results. Convert it to a sequence/iterable of keyed ' + 'ReactElements instead.') : void 0;
           didWarnAboutMaps = true;
         }
       }
 
       var iterator = iteratorFn.call(children);
-      var step;
+      var step = void 0;
       var ii = 0;
       while (!(step = iterator.next()).done) {
         child = step.value;
@@ -1056,7 +1992,7 @@ function traverseAllChildrenImpl(children, nameSoFar, callback, traverseContext)
         addendum = ' If you meant to render a collection of children, use an array ' + 'instead.' + ReactDebugCurrentFrame.getStackAddendum();
       }
       var childrenString = '' + children;
-      invariant_1(false, 'Objects are not valid as a React child (found: %s).%s', childrenString === '[object Object]' ? 'object with keys {' + Object.keys(children).join(', ') + '}' : childrenString, addendum);
+      invariant(false, 'Objects are not valid as a React child (found: %s).%s', childrenString === '[object Object]' ? 'object with keys {' + Object.keys(children).join(', ') + '}' : childrenString, addendum);
     }
   }
 
@@ -1115,7 +2051,7 @@ function forEachSingleChild(bookKeeping, child, name) {
 /**
  * Iterates through children that are typically specified as `props.children`.
  *
- * See https://reactjs.org/docs/react-api.html#react.children.foreach
+ * See https://reactjs.org/docs/react-api.html#reactchildrenforeach
  *
  * The provided forEachFunc(child, index) will be called for each
  * leaf child.
@@ -1142,7 +2078,9 @@ function mapSingleChildIntoContext(bookKeeping, child, childKey) {
 
   var mappedChild = func.call(context, child, bookKeeping.count++);
   if (Array.isArray(mappedChild)) {
-    mapIntoWithKeyPrefixInternal(mappedChild, result, childKey, emptyFunction_1.thatReturnsArgument);
+    mapIntoWithKeyPrefixInternal(mappedChild, result, childKey, function (c) {
+      return c;
+    });
   } else if (mappedChild != null) {
     if (isValidElement(mappedChild)) {
       mappedChild = cloneAndReplaceKey(mappedChild,
@@ -1167,7 +2105,7 @@ function mapIntoWithKeyPrefixInternal(children, array, prefix, func, context) {
 /**
  * Maps children that are typically specified as `props.children`.
  *
- * See https://reactjs.org/docs/react-api.html#react.children.map
+ * See https://reactjs.org/docs/react-api.html#reactchildrenmap
  *
  * The provided mapFunction(child, key, index) will be called for each
  * leaf child.
@@ -1190,24 +2128,28 @@ function mapChildren(children, func, context) {
  * Count the number of children that are typically specified as
  * `props.children`.
  *
- * See https://reactjs.org/docs/react-api.html#react.children.count
+ * See https://reactjs.org/docs/react-api.html#reactchildrencount
  *
  * @param {?*} children Children tree container.
  * @return {number} The number of children.
  */
-function countChildren(children, context) {
-  return traverseAllChildren(children, emptyFunction_1.thatReturnsNull, null);
+function countChildren(children) {
+  return traverseAllChildren(children, function () {
+    return null;
+  }, null);
 }
 
 /**
  * Flatten a children object (typically specified as `props.children`) and
  * return an array with appropriately re-keyed children.
  *
- * See https://reactjs.org/docs/react-api.html#react.children.toarray
+ * See https://reactjs.org/docs/react-api.html#reactchildrentoarray
  */
 function toArray(children) {
   var result = [];
-  mapIntoWithKeyPrefixInternal(children, result, null, emptyFunction_1.thatReturnsArgument);
+  mapIntoWithKeyPrefixInternal(children, result, null, function (child) {
+    return child;
+  });
   return result;
 }
 
@@ -1215,7 +2157,7 @@ function toArray(children) {
  * Returns the first child in a collection of children and verifies that there
  * is only one child in the collection.
  *
- * See https://reactjs.org/docs/react-api.html#react.children.only
+ * See https://reactjs.org/docs/react-api.html#reactchildrenonly
  *
  * The current implementation of this function assumes that a single child gets
  * passed without a wrapper, but the purpose of this helper function is to
@@ -1226,24 +2168,99 @@ function toArray(children) {
  * structure.
  */
 function onlyChild(children) {
-  !isValidElement(children) ? invariant_1(false, 'React.Children.only expected to receive a single React element child.') : void 0;
+  !isValidElement(children) ? invariant(false, 'React.Children.only expected to receive a single React element child.') : void 0;
   return children;
 }
 
-var describeComponentFrame = function (name, source, ownerName) {
-  return '\n    in ' + (name || 'Unknown') + (source ? ' (at ' + source.fileName.replace(/^.*[\\\/]/, '') + ':' + source.lineNumber + ')' : ownerName ? ' (created by ' + ownerName + ')' : '');
-};
+function readContext(context, observedBits) {
+  var dispatcher = ReactCurrentOwner.currentDispatcher;
+  !(dispatcher !== null) ? invariant(false, 'Context.unstable_read(): Context can only be read while React is rendering, e.g. inside the render method or getDerivedStateFromProps.') : void 0;
+  return dispatcher.readContext(context, observedBits);
+}
 
-function getComponentName(fiber) {
-  var type = fiber.type;
+function createContext(defaultValue, calculateChangedBits) {
+  if (calculateChangedBits === undefined) {
+    calculateChangedBits = null;
+  } else {
+    {
+      !(calculateChangedBits === null || typeof calculateChangedBits === 'function') ? warningWithoutStack$1(false, 'createContext: Expected the optional second argument to be a ' + 'function. Instead received: %s', calculateChangedBits) : void 0;
+    }
+  }
 
-  if (typeof type === 'string') {
-    return type;
+  var context = {
+    $$typeof: REACT_CONTEXT_TYPE,
+    _calculateChangedBits: calculateChangedBits,
+    // As a workaround to support multiple concurrent renderers, we categorize
+    // some renderers as primary and others as secondary. We only expect
+    // there to be two concurrent renderers at most: React Native (primary) and
+    // Fabric (secondary); React DOM (primary) and React ART (secondary).
+    // Secondary renderers store their context values on separate fields.
+    _currentValue: defaultValue,
+    _currentValue2: defaultValue,
+    // These are circular
+    Provider: null,
+    Consumer: null,
+    unstable_read: null
+  };
+
+  context.Provider = {
+    $$typeof: REACT_PROVIDER_TYPE,
+    _context: context
+  };
+  context.Consumer = context;
+  context.unstable_read = readContext.bind(null, context);
+
+  {
+    context._currentRenderer = null;
+    context._currentRenderer2 = null;
   }
-  if (typeof type === 'function') {
-    return type.displayName || type.name;
+
+  return context;
+}
+
+function lazy(ctor) {
+  var thenable = null;
+  return {
+    then: function (resolve, reject) {
+      if (thenable === null) {
+        // Lazily create thenable by wrapping in an extra thenable.
+        thenable = ctor();
+        ctor = null;
+      }
+      return thenable.then(resolve, reject);
+    },
+
+    // React uses these fields to store the result.
+    _reactStatus: -1,
+    _reactResult: null
+  };
+}
+
+function forwardRef(render) {
+  {
+    if (typeof render !== 'function') {
+      warningWithoutStack$1(false, 'forwardRef requires a render function but was given %s.', render === null ? 'null' : typeof render);
+    } else {
+      !(
+      // Do not warn for 0 arguments because it could be due to usage of the 'arguments' object
+      render.length === 0 || render.length === 2) ? warningWithoutStack$1(false, 'forwardRef render functions accept exactly two parameters: props and ref. %s', render.length === 1 ? 'Did you forget to use the ref parameter?' : 'Any additional parameter will be undefined.') : void 0;
+    }
+
+    if (render != null) {
+      !(render.defaultProps == null && render.propTypes == null) ? warningWithoutStack$1(false, 'forwardRef render functions do not support propTypes or defaultProps. ' + 'Did you accidentally pass a React component?') : void 0;
+    }
   }
-  return null;
+
+  return {
+    $$typeof: REACT_FORWARD_REF_TYPE,
+    render: render
+  };
+}
+
+function isValidElementType(type) {
+  return typeof type === 'string' || typeof type === 'function' ||
+  // Note: its typeof might be other than 'symbol' or 'number' if it's a polyfill.
+  type === REACT_FRAGMENT_TYPE || type === REACT_ASYNC_MODE_TYPE || type === REACT_PROFILER_TYPE || type === REACT_STRICT_MODE_TYPE || type === REACT_PLACEHOLDER_TYPE || typeof type === 'object' && type !== null && (typeof type.then === 'function' || type.$$typeof === REACT_PROVIDER_TYPE || type.$$typeof === REACT_CONTEXT_TYPE || type.$$typeof === REACT_FORWARD_REF_TYPE);
 }
 
 /**
@@ -1268,11 +2285,24 @@ var ReactPropTypesSecret_1 = ReactPropTypesSecret$1;
 
 
 
+var printWarning$1 = function() {};
+
 {
-  var invariant$2 = invariant_1;
-  var warning$2 = warning_1;
   var ReactPropTypesSecret = ReactPropTypesSecret_1;
   var loggedTypeFailures = {};
+
+  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) {}
+  };
 }
 
 /**
@@ -1297,12 +2327,29 @@ function checkPropTypes(typeSpecs, values, location, componentName, getStack) {
         try {
           // This is intentionally an invariant that gets caught. It's the same
           // behavior as without this statement except with a better message.
-          invariant$2(typeof typeSpecs[typeSpecName] === 'function', '%s: %s type `%s` is invalid; it must be a function, usually from ' + 'the `prop-types` package, but received `%s`.', componentName || 'React class', location, typeSpecName, typeof typeSpecs[typeSpecName]);
+          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);
         } catch (ex) {
           error = ex;
         }
-        warning$2(!error || error instanceof Error, '%s: type specification of %s `%s` is invalid; the type checker ' + 'function must return `null` or an `Error` but returned a %s. ' + 'You may have forgotten to pass an argument to the type checker ' + 'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' + 'shape all require an argument).', componentName || 'React class', location, typeSpecName, typeof error);
+        if (error && !(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.
@@ -1310,7 +2357,9 @@ function checkPropTypes(typeSpecs, values, location, componentName, getStack) {
 
           var stack = getStack ? getStack() : '';
 
-          warning$2(false, 'Failed %s type: %s%s', location, error.message, stack != null ? stack : '');
+          printWarning$1(
+            'Failed ' + location + ' type: ' + error.message + (stack != null ? stack : '')
+          );
         }
       }
     }
@@ -1326,42 +2375,15 @@ var checkPropTypes_1 = checkPropTypes;
  * that support it.
  */
 
-{
-  var currentlyValidatingElement = null;
-
-  var propTypesMisspellWarningShown = false;
-
-  var getDisplayName = function (element) {
-    if (element == null) {
-      return '#empty';
-    } else if (typeof element === 'string' || typeof element === 'number') {
-      return '#text';
-    } else if (typeof element.type === 'string') {
-      return element.type;
-    } else if (element.type === REACT_FRAGMENT_TYPE) {
-      return 'React.Fragment';
-    } else {
-      return element.type.displayName || element.type.name || 'Unknown';
-    }
-  };
-
-  var getStackAddendum = function () {
-    var stack = '';
-    if (currentlyValidatingElement) {
-      var name = getDisplayName(currentlyValidatingElement);
-      var owner = currentlyValidatingElement._owner;
-      stack += describeComponentFrame(name, currentlyValidatingElement._source, owner && getComponentName(owner));
-    }
-    stack += ReactDebugCurrentFrame.getStackAddendum() || '';
-    return stack;
-  };
+var propTypesMisspellWarningShown = void 0;
 
-  var VALID_FRAGMENT_PROPS = new Map([['children', true], ['key', true]]);
+{
+  propTypesMisspellWarningShown = false;
 }
 
 function getDeclarationErrorAddendum() {
   if (ReactCurrentOwner.current) {
-    var name = getComponentName(ReactCurrentOwner.current);
+    var name = getComponentName(ReactCurrentOwner.current.type);
     if (name) {
       return '\n\nCheck the render method of `' + name + '`.';
     }
@@ -1427,14 +2449,14 @@ function validateExplicitKey(element, parentType) {
   var childOwner = '';
   if (element && element._owner && element._owner !== ReactCurrentOwner.current) {
     // Give the component that originally created this child.
-    childOwner = ' It was passed a child from ' + getComponentName(element._owner) + '.';
+    childOwner = ' It was passed a child from ' + getComponentName(element._owner.type) + '.';
   }
 
-  currentlyValidatingElement = element;
+  setCurrentlyValidatingElement(element);
   {
-    warning_1(false, 'Each child in an array or iterator should have a unique "key" prop.' + '%s%s See https://fb.me/react-warning-keys for more information.%s', currentComponentErrorInfo, childOwner, getStackAddendum());
+    warning$1(false, 'Each child in an array or iterator should have a unique "key" prop.' + '%s%s See https://fb.me/react-warning-keys for more information.', currentComponentErrorInfo, childOwner);
   }
-  currentlyValidatingElement = null;
+  setCurrentlyValidatingElement(null);
 }
 
 /**
@@ -1469,7 +2491,7 @@ function validateChildKeys(node, parentType) {
       // but now we print a separate warning for them later.
       if (iteratorFn !== node.entries) {
         var iterator = iteratorFn.call(node);
-        var step;
+        var step = void 0;
         while (!(step = iterator.next()).done) {
           if (isValidElement(step.value)) {
             validateExplicitKey(step.value, parentType);
@@ -1487,22 +2509,31 @@ function validateChildKeys(node, parentType) {
  * @param {ReactElement} element
  */
 function validatePropTypes(element) {
-  var componentClass = element.type;
-  if (typeof componentClass !== 'function') {
+  var type = element.type;
+  var name = void 0,
+      propTypes = void 0;
+  if (typeof type === 'function') {
+    // Class or functional component
+    name = type.displayName || type.name;
+    propTypes = type.propTypes;
+  } else if (typeof type === 'object' && type !== null && type.$$typeof === REACT_FORWARD_REF_TYPE) {
+    // ForwardRef
+    var functionName = type.render.displayName || type.render.name || '';
+    name = type.displayName || (functionName !== '' ? 'ForwardRef(' + functionName + ')' : 'ForwardRef');
+    propTypes = type.propTypes;
+  } else {
     return;
   }
-  var name = componentClass.displayName || componentClass.name;
-  var propTypes = componentClass.propTypes;
   if (propTypes) {
-    currentlyValidatingElement = element;
-    checkPropTypes_1(propTypes, element.props, 'prop', name, getStackAddendum);
-    currentlyValidatingElement = null;
-  } else if (componentClass.PropTypes !== undefined && !propTypesMisspellWarningShown) {
+    setCurrentlyValidatingElement(element);
+    checkPropTypes_1(propTypes, element.props, 'prop', name, ReactDebugCurrentFrame.getStackAddendum);
+    setCurrentlyValidatingElement(null);
+  } else if (type.PropTypes !== undefined && !propTypesMisspellWarningShown) {
     propTypesMisspellWarningShown = true;
-    warning_1(false, 'Component %s declared `PropTypes` instead of `propTypes`. Did you misspell the property assignment?', name || 'Unknown');
+    warningWithoutStack$1(false, 'Component %s declared `PropTypes` instead of `propTypes`. Did you misspell the property assignment?', name || 'Unknown');
   }
-  if (typeof componentClass.getDefaultProps === 'function') {
-    warning_1(componentClass.getDefaultProps.isReactClassApproved, 'getDefaultProps is only used on classic React.createClass ' + 'definitions. Use a static property named `defaultProps` instead.');
+  if (typeof type.getDefaultProps === 'function') {
+    !type.getDefaultProps.isReactClassApproved ? warningWithoutStack$1(false, 'getDefaultProps is only used on classic React.createClass ' + 'definitions. Use a static property named `defaultProps` instead.') : void 0;
   }
 }
 
@@ -1511,45 +2542,27 @@ function validatePropTypes(element) {
  * @param {ReactElement} fragment
  */
 function validateFragmentProps(fragment) {
-  currentlyValidatingElement = fragment;
-
-  var _iteratorNormalCompletion = true;
-  var _didIteratorError = false;
-  var _iteratorError = undefined;
-
-  try {
-    for (var _iterator = Object.keys(fragment.props)[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
-      var key = _step.value;
-
-      if (!VALID_FRAGMENT_PROPS.has(key)) {
-        warning_1(false, 'Invalid prop `%s` supplied to `React.Fragment`. ' + 'React.Fragment can only have `key` and `children` props.%s', key, getStackAddendum());
-        break;
-      }
-    }
-  } catch (err) {
-    _didIteratorError = true;
-    _iteratorError = err;
-  } finally {
-    try {
-      if (!_iteratorNormalCompletion && _iterator['return']) {
-        _iterator['return']();
-      }
-    } finally {
-      if (_didIteratorError) {
-        throw _iteratorError;
-      }
+  setCurrentlyValidatingElement(fragment);
+
+  var keys = Object.keys(fragment.props);
+  for (var i = 0; i < keys.length; i++) {
+    var key = keys[i];
+    if (key !== 'children' && key !== 'key') {
+      warning$1(false, 'Invalid prop `%s` supplied to `React.Fragment`. ' + 'React.Fragment can only have `key` and `children` props.', key);
+      break;
     }
   }
 
   if (fragment.ref !== null) {
-    warning_1(false, 'Invalid attribute `ref` supplied to `React.Fragment`.%s', getStackAddendum());
+    warning$1(false, 'Invalid attribute `ref` supplied to `React.Fragment`.');
   }
 
-  currentlyValidatingElement = null;
+  setCurrentlyValidatingElement(null);
 }
 
 function createElementWithValidation(type, props, children) {
-  var validType = typeof type === 'string' || typeof type === 'function' || typeof type === 'symbol' || typeof type === 'number';
+  var validType = isValidElementType(type);
+
   // We warn in this case but don't throw. We expect the element creation to
   // succeed and there will likely be errors in render.
   if (!validType) {
@@ -1565,9 +2578,19 @@ function createElementWithValidation(type, props, children) {
       info += getDeclarationErrorAddendum();
     }
 
-    info += getStackAddendum() || '';
+    var typeString = void 0;
+    if (type === null) {
+      typeString = 'null';
+    } else if (Array.isArray(type)) {
+      typeString = 'array';
+    } else if (type !== undefined && type.$$typeof === REACT_ELEMENT_TYPE) {
+      typeString = '<' + (getComponentName(type.type) || 'Unknown') + ' />';
+      info = ' Did you accidentally export a JSX literal instead of a component?';
+    } else {
+      typeString = typeof type;
+    }
 
-    warning_1(false, 'React.createElement: type is invalid -- expected a string (for ' + 'built-in components) or a class/function (for composite ' + 'components) but got: %s.%s', type == null ? type : typeof type, info);
+    warning$1(false, 'React.createElement: type is invalid -- expected a string (for ' + 'built-in components) or a class/function (for composite ' + 'components) but got: %s.%s', typeString, info);
   }
 
   var element = createElement.apply(this, arguments);
@@ -1589,7 +2612,7 @@ function createElementWithValidation(type, props, children) {
     }
   }
 
-  if (typeof type === 'symbol' && type === REACT_FRAGMENT_TYPE) {
+  if (type === REACT_FRAGMENT_TYPE) {
     validateFragmentProps(element);
   } else {
     validatePropTypes(element);
@@ -1600,9 +2623,8 @@ function createElementWithValidation(type, props, children) {
 
 function createFactoryWithValidation(type) {
   var validatedFactory = createElementWithValidation.bind(null, type);
-  // Legacy hook TODO: Warn if this is accessed
   validatedFactory.type = type;
-
+  // Legacy hook: remove it
   {
     Object.defineProperty(validatedFactory, 'type', {
       enumerable: false,
@@ -1637,11 +2659,17 @@ var React = {
     only: onlyChild
   },
 
+  createRef: createRef,
   Component: Component,
   PureComponent: PureComponent,
-  unstable_AsyncComponent: AsyncComponent,
+
+  createContext: createContext,
+  forwardRef: forwardRef,
 
   Fragment: REACT_FRAGMENT_TYPE,
+  StrictMode: REACT_STRICT_MODE_TYPE,
+  unstable_AsyncMode: REACT_ASYNC_MODE_TYPE,
+  unstable_Profiler: REACT_PROFILER_TYPE,
 
   createElement: createElementWithValidation,
   cloneElement: cloneElementWithValidation,
@@ -1650,21 +2678,12 @@ var React = {
 
   version: ReactVersion,
 
-  __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: {
-    ReactCurrentOwner: ReactCurrentOwner,
-    // Used by renderers to avoid bundling object-assign twice in UMD bundles:
-    assign: objectAssign
-  }
+  __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: ReactSharedInternals
 };
 
-{
-  objectAssign(React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED, {
-    // These should not be included in production.
-    ReactDebugCurrentFrame: ReactDebugCurrentFrame,
-    // Shim for React DOM 16.0.0 which still destructured (but not used) this.
-    // TODO: remove in React 17.0.
-    ReactComponentTreeHook: {}
-  });
+if (enableSuspense) {
+  React.Placeholder = REACT_PLACEHOLDER_TYPE;
+  React.lazy = lazy;
 }
 
 
@@ -1677,7 +2696,7 @@ var React$3 = ( React$2 && React ) || React$2;
 
 // TODO: decide on the top-level export form.
 // This is hacky but makes it work with both Rollup and Jest.
-var react = React$3['default'] ? React$3['default'] : React$3;
+var react = React$3.default || React$3;
 
 return react;
 
diff --git a/node_modules/react/umd/react.production.min.js b/node_modules/react/umd/react.production.min.js
index 9c934d7d1..562715c65 100644
--- a/node_modules/react/umd/react.production.min.js
+++ b/node_modules/react/umd/react.production.min.js
@@ -1,21 +1,28 @@
-/** @license React v16.2.0
+/** @license React v16.5.2
  * react.production.min.js
  *
- * Copyright (c) 2013-present, Facebook, Inc.
+ * 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(q,k){"object"===typeof exports&&"undefined"!==typeof module?module.exports=k():"function"===typeof define&&define.amd?define(k):q.React=k()})(this,function(){function q(a){for(var b=arguments.length-1,c="Minified React error #"+a+"; visit http://facebook.github.io/react/docs/error-decoder.html?invariant\x3d"+a,d=0;d<b;d++)c+="\x26args[]\x3d"+encodeURIComponent(arguments[d+1]);b=Error(c+" for the full message or use the non-minified dev environment for full errors and additional helpful warnings.");
-b.name="Invariant Violation";b.framesToPop=1;throw b;}function k(a){return function(){return a}}function p(a,b,c){this.props=a;this.context=b;this.refs=w;this.updater=c||x}function y(a,b,c){this.props=a;this.context=b;this.refs=w;this.updater=c||x}function z(){}function A(a,b,c){this.props=a;this.context=b;this.refs=w;this.updater=c||x}function G(a,b,c){var d,f={},l=null,e=null;if(null!=b)for(d in void 0!==b.ref&&(e=b.ref),void 0!==b.key&&(l=""+b.key),b)H.call(b,d)&&!I.hasOwnProperty(d)&&(f[d]=b[d]);
-var g=arguments.length-2;if(1===g)f.children=c;else if(1<g){for(var h=Array(g),n=0;n<g;n++)h[n]=arguments[n+2];f.children=h}if(a&&a.defaultProps)for(d in g=a.defaultProps,g)void 0===f[d]&&(f[d]=g[d]);return{$$typeof:r,type:a,key:l,ref:e,props:f,_owner:B.current}}function C(a){return"object"===typeof a&&null!==a&&a.$$typeof===r}function O(a){var b={"\x3d":"\x3d0",":":"\x3d2"};return"$"+(""+a).replace(/[=:]/g,function(a){return b[a]})}function J(a,b,c,d){if(u.length){var f=u.pop();f.result=a;f.keyPrefix=
-b;f.func=c;f.context=d;f.count=0;return f}return{result:a,keyPrefix:b,func:c,context:d,count:0}}function K(a){a.result=null;a.keyPrefix=null;a.func=null;a.context=null;a.count=0;10>u.length&&u.push(a)}function t(a,b,c,d){var f=typeof a;if("undefined"===f||"boolean"===f)a=null;var l=!1;if(null===a)l=!0;else switch(f){case "string":case "number":l=!0;break;case "object":switch(a.$$typeof){case r:case P:case Q:case R:l=!0}}if(l)return c(d,a,""===b?"."+D(a,0):b),1;l=0;b=""===b?".":b+":";if(Array.isArray(a))for(var e=
-0;e<a.length;e++){f=a[e];var g=b+D(f,e);l+=t(f,g,c,d)}else if(null===a||"undefined"===typeof a?g=null:(g=L&&a[L]||a["@@iterator"],g="function"===typeof g?g:null),"function"===typeof g)for(a=g.call(a),e=0;!(f=a.next()).done;)f=f.value,g=b+D(f,e++),l+=t(f,g,c,d);else"object"===f&&(c=""+a,q("31","[object Object]"===c?"object with keys {"+Object.keys(a).join(", ")+"}":c,""));return l}function D(a,b){return"object"===typeof a&&null!==a&&null!=a.key?O(a.key):b.toString(36)}function S(a,b,c){a.func.call(a.context,
-b,a.count++)}function T(a,b,c){var d=a.result,f=a.keyPrefix;a=a.func.call(a.context,b,a.count++);Array.isArray(a)?E(a,d,c,F.thatReturnsArgument):null!=a&&(C(a)&&(b=f+(!a.key||b&&b.key===a.key?"":(""+a.key).replace(M,"$\x26/")+"/")+c,a={$$typeof:r,type:a.type,key:b,ref:a.ref,props:a.props,_owner:a._owner}),d.push(a))}function E(a,b,c,d,f){var e="";null!=c&&(e=(""+c).replace(M,"$\x26/")+"/");b=J(b,e,d,f);null==a||t(a,"",T,b);K(b)}var N=Object.getOwnPropertySymbols,U=Object.prototype.hasOwnProperty,
-V=Object.prototype.propertyIsEnumerable,v=function(){try{if(!Object.assign)return!1;var a=new String("abc");a[5]="de";if("5"===Object.getOwnPropertyNames(a)[0])return!1;var b={};for(a=0;10>a;a++)b["_"+String.fromCharCode(a)]=a;if("0123456789"!==Object.getOwnPropertyNames(b).map(function(a){return b[a]}).join(""))return!1;var c={};"abcdefghijklmnopqrst".split("").forEach(function(a){c[a]=a});return"abcdefghijklmnopqrst"!==Object.keys(Object.assign({},c)).join("")?!1:!0}catch(d){return!1}}()?Object.assign:
-function(a,b){if(null===a||void 0===a)throw new TypeError("Object.assign cannot be called with null or undefined");var c=Object(a);for(var d,f=1;f<arguments.length;f++){var e=Object(arguments[f]);for(var h in e)U.call(e,h)&&(c[h]=e[h]);if(N){d=N(e);for(var g=0;g<d.length;g++)V.call(e,d[g])&&(c[d[g]]=e[d[g]])}}return c},h="function"===typeof Symbol&&Symbol["for"],r=h?Symbol["for"]("react.element"):60103,P=h?Symbol["for"]("react.call"):60104,Q=h?Symbol["for"]("react.return"):60105,R=h?Symbol["for"]("react.portal"):
-60106;h=h?Symbol["for"]("react.fragment"):60107;var L="function"===typeof Symbol&&Symbol.iterator,w={},e=function(){};e.thatReturns=k;e.thatReturnsFalse=k(!1);e.thatReturnsTrue=k(!0);e.thatReturnsNull=k(null);e.thatReturnsThis=function(){return this};e.thatReturnsArgument=function(a){return a};var F=e,x={isMounted:function(a){return!1},enqueueForceUpdate:function(a,b,c){},enqueueReplaceState:function(a,b,c,d){},enqueueSetState:function(a,b,c,d){}};p.prototype.isReactComponent={};p.prototype.setState=
-function(a,b){"object"!==typeof a&&"function"!==typeof a&&null!=a?q("85"):void 0;this.updater.enqueueSetState(this,a,b,"setState")};p.prototype.forceUpdate=function(a){this.updater.enqueueForceUpdate(this,a,"forceUpdate")};z.prototype=p.prototype;e=y.prototype=new z;e.constructor=y;v(e,p.prototype);e.isPureReactComponent=!0;e=A.prototype=new z;e.constructor=A;v(e,p.prototype);e.unstable_isAsyncReactComponent=!0;e.render=function(){return this.props.children};var B={current:null},H=Object.prototype.hasOwnProperty,
-I={key:!0,ref:!0,__self:!0,__source:!0},M=/\/+/g,u=[];h={Children:{map:function(a,b,c){if(null==a)return a;var d=[];E(a,d,null,b,c);return d},forEach:function(a,b,c){if(null==a)return a;b=J(null,null,b,c);null==a||t(a,"",S,b);K(b)},count:function(a,b){return null==a?0:t(a,"",F.thatReturnsNull,null)},toArray:function(a){var b=[];E(a,b,null,F.thatReturnsArgument);return b},only:function(a){C(a)?void 0:q("143");return a}},Component:p,PureComponent:y,unstable_AsyncComponent:A,Fragment:h,createElement:G,
-cloneElement:function(a,b,c){var d=v({},a.props),e=a.key,h=a.ref,k=a._owner;if(null!=b){void 0!==b.ref&&(h=b.ref,k=B.current);void 0!==b.key&&(e=""+b.key);if(a.type&&a.type.defaultProps)var g=a.type.defaultProps;for(m in b)H.call(b,m)&&!I.hasOwnProperty(m)&&(d[m]=void 0===b[m]&&void 0!==g?g[m]:b[m])}var m=arguments.length-2;if(1===m)d.children=c;else if(1<m){g=Array(m);for(var n=0;n<m;n++)g[n]=arguments[n+2];d.children=g}return{$$typeof:r,type:a.type,key:e,ref:h,props:d,_owner:k}},createFactory:function(a){var b=
-G.bind(null,a);b.type=a;return b},isValidElement:C,version:"16.2.0",__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED:{ReactCurrentOwner:B,assign:v}};h=(e=Object.freeze({default:h}))&&h||e;return h["default"]?h["default"]:h});
+'use strict';(function(D,k){"object"===typeof exports&&"undefined"!==typeof module?module.exports=k():"function"===typeof define&&define.amd?define(k):D.React=k()})(this,function(){function D(a,b,c,d,g,na,e,h){if(!a){a=void 0;if(void 0===b)a=Error("Minified exception occurred; use the non-minified dev environment for the full error message and additional helpful warnings.");else{var f=[c,d,g,na,e,h],oa=0;a=Error(b.replace(/%s/g,function(){return f[oa++]}));a.name="Invariant Violation"}a.framesToPop=
+1;throw a;}}function k(a){for(var b=arguments.length-1,c="https://reactjs.org/docs/error-decoder.html?invariant="+a,d=0;d<b;d++)c+="&args[]="+encodeURIComponent(arguments[d+1]);D(!1,"Minified React error #"+a+"; visit %s for the full message or use the non-minified dev environment for full errors and additional helpful warnings. ",c)}function p(a,b,c){this.props=a;this.context=b;this.refs=S;this.updater=c||T}function U(){}function E(a,b,c){this.props=a;this.context=b;this.refs=S;this.updater=c||T}
+function F(){if(!G){var a=e.timesOutAt;H?I():H=!0;J(pa,a)}}function V(a){a=e;var b=e.next;if(e===b)e=null;else{var c=e.previous;e=c.next=b;b.previous=c}a.next=a.previous=null;a=a.callback;a(W)}function pa(a){G=!0;W.didTimeout=a;try{if(a)for(;null!==e;){var b=m();if(e.timesOutAt<=b){do V();while(null!==e&&e.timesOutAt<=b)}else break}else if(null!==e){do V();while(null!==e&&0<q()-m())}}finally{G=!1,null!==e?F(e):H=!1}}function X(a,b,c){var d=void 0,g={},e=null,f=null;if(null!=b)for(d in void 0!==b.ref&&
+(f=b.ref),void 0!==b.key&&(e=""+b.key),b)Y.call(b,d)&&!Z.hasOwnProperty(d)&&(g[d]=b[d]);var h=arguments.length-2;if(1===h)g.children=c;else if(1<h){for(var k=Array(h),n=0;n<h;n++)k[n]=arguments[n+2];g.children=k}if(a&&a.defaultProps)for(d in h=a.defaultProps,h)void 0===g[d]&&(g[d]=h[d]);return{$$typeof:r,type:a,key:e,ref:f,props:g,_owner:w.current}}function qa(a,b){return{$$typeof:r,type:a.type,key:b,ref:a.ref,props:a.props,_owner:a._owner}}function K(a){return"object"===typeof a&&null!==a&&a.$$typeof===
+r}function ra(a){var b={"=":"=0",":":"=2"};return"$"+(""+a).replace(/[=:]/g,function(a){return b[a]})}function aa(a,b,c,d){if(x.length){var g=x.pop();g.result=a;g.keyPrefix=b;g.func=c;g.context=d;g.count=0;return g}return{result:a,keyPrefix:b,func:c,context:d,count:0}}function ba(a){a.result=null;a.keyPrefix=null;a.func=null;a.context=null;a.count=0;10>x.length&&x.push(a)}function L(a,b,c,d){var g=typeof a;if("undefined"===g||"boolean"===g)a=null;var e=!1;if(null===a)e=!0;else switch(g){case "string":case "number":e=
+!0;break;case "object":switch(a.$$typeof){case r:case sa:e=!0}}if(e)return c(d,a,""===b?"."+M(a,0):b),1;e=0;b=""===b?".":b+":";if(Array.isArray(a))for(var f=0;f<a.length;f++){g=a[f];var h=b+M(g,f);e+=L(g,h,c,d)}else if(null===a||"object"!==typeof a?h=null:(h=ca&&a[ca]||a["@@iterator"],h="function"===typeof h?h:null),"function"===typeof h)for(a=h.call(a),f=0;!(g=a.next()).done;)g=g.value,h=b+M(g,f++),e+=L(g,h,c,d);else"object"===g&&(c=""+a,k("31","[object Object]"===c?"object with keys {"+Object.keys(a).join(", ")+
+"}":c,""));return e}function N(a,b,c){return null==a?0:L(a,"",b,c)}function M(a,b){return"object"===typeof a&&null!==a&&null!=a.key?ra(a.key):b.toString(36)}function ta(a,b,c){a.func.call(a.context,b,a.count++)}function ua(a,b,c){var d=a.result,e=a.keyPrefix;a=a.func.call(a.context,b,a.count++);Array.isArray(a)?O(a,d,c,function(a){return a}):null!=a&&(K(a)&&(a=qa(a,e+(!a.key||b&&b.key===a.key?"":(""+a.key).replace(da,"$&/")+"/")+c)),d.push(a))}function O(a,b,c,d,e){var g="";null!=c&&(g=(""+c).replace(da,
+"$&/")+"/");b=aa(b,g,d,e);N(a,ua,b);ba(b)}function va(a,b){var c=w.currentDispatcher;null===c?k("277"):void 0;return c.readContext(a,b)}var f="function"===typeof Symbol&&Symbol.for,r=f?Symbol.for("react.element"):60103,sa=f?Symbol.for("react.portal"):60106,l=f?Symbol.for("react.fragment"):60107,P=f?Symbol.for("react.strict_mode"):60108,wa=f?Symbol.for("react.profiler"):60114,xa=f?Symbol.for("react.provider"):60109,ya=f?Symbol.for("react.context"):60110,za=f?Symbol.for("react.async_mode"):60111,Aa=
+f?Symbol.for("react.forward_ref"):60112;f&&Symbol.for("react.placeholder");var ca="function"===typeof Symbol&&Symbol.iterator,ea=Object.getOwnPropertySymbols,Ba=Object.prototype.hasOwnProperty,Ca=Object.prototype.propertyIsEnumerable,y=function(){try{if(!Object.assign)return!1;var a=new String("abc");a[5]="de";if("5"===Object.getOwnPropertyNames(a)[0])return!1;var b={};for(a=0;10>a;a++)b["_"+String.fromCharCode(a)]=a;if("0123456789"!==Object.getOwnPropertyNames(b).map(function(a){return b[a]}).join(""))return!1;
+var c={};"abcdefghijklmnopqrst".split("").forEach(function(a){c[a]=a});return"abcdefghijklmnopqrst"!==Object.keys(Object.assign({},c)).join("")?!1:!0}catch(d){return!1}}()?Object.assign:function(a,b){if(null===a||void 0===a)throw new TypeError("Object.assign cannot be called with null or undefined");var c=Object(a);for(var d,e=1;e<arguments.length;e++){var f=Object(arguments[e]);for(var k in f)Ba.call(f,k)&&(c[k]=f[k]);if(ea){d=ea(f);for(var h=0;h<d.length;h++)Ca.call(f,d[h])&&(c[d[h]]=f[d[h]])}}return c},
+T={isMounted:function(a){return!1},enqueueForceUpdate:function(a,b,c){},enqueueReplaceState:function(a,b,c,d){},enqueueSetState:function(a,b,c,d){}},S={};p.prototype.isReactComponent={};p.prototype.setState=function(a,b){"object"!==typeof a&&"function"!==typeof a&&null!=a?k("85"):void 0;this.updater.enqueueSetState(this,a,b,"setState")};p.prototype.forceUpdate=function(a){this.updater.enqueueForceUpdate(this,a,"forceUpdate")};U.prototype=p.prototype;f=E.prototype=new U;f.constructor=E;y(f,p.prototype);
+f.isPureReactComponent=!0;var e=null,G=!1,H=!1;f="object"===typeof performance&&"function"===typeof performance.now;var W={timeRemaining:f?function(){var a=q()-performance.now();return 0<a?a:0}:function(){var a=q()-Date.now();return 0<a?a:0},didTimeout:!1},Da=Date,Ea="function"===typeof setTimeout?setTimeout:void 0,Fa="function"===typeof clearTimeout?clearTimeout:void 0,fa="function"===typeof requestAnimationFrame?requestAnimationFrame:void 0,ha="function"===typeof cancelAnimationFrame?cancelAnimationFrame:
+void 0,ia,ja,ka=function(a){ia=fa(function(b){Fa(ja);a(b)});ja=Ea(function(){ha(ia);a(m())},100)};if(f){var Ga=performance;var m=function(){return Ga.now()}}else m=function(){return Da.now()};if("undefined"===typeof window){var la=-1;var J=function(a,b){la=setTimeout(a,0,!0)};var I=function(){clearTimeout(la)};var q=function(){return 0}}else if(window._schedMock)f=window._schedMock,J=f[0],I=f[1],q=f[2];else{"undefined"!==typeof console&&("function"!==typeof fa&&console.error("This browser doesn't support requestAnimationFrame. Make sure that you load a polyfill in older browsers. https://fb.me/react-polyfills"),
+"function"!==typeof ha&&console.error("This browser doesn't support cancelAnimationFrame. Make sure that you load a polyfill in older browsers. https://fb.me/react-polyfills"));var z=null,A=!1,t=-1,u=!1,Q=!1,B=0,C=33,v=33;q=function(){return B};var R="__reactIdleCallback$"+Math.random().toString(36).slice(2);window.addEventListener("message",function(a){if(a.source===window&&a.data===R){A=!1;var b=m();a=!1;if(0>=B-b)if(-1!==t&&t<=b)a=!0;else{u||(u=!0,ka(ma));return}t=-1;b=z;z=null;if(null!==b){Q=
+!0;try{b(a)}finally{Q=!1}}}},!1);var ma=function(a){u=!1;var b=a-B+v;b<v&&C<v?(8>b&&(b=8),v=b<C?C:b):C=b;B=a+v;A||(A=!0,window.postMessage(R,"*"))};J=function(a,b){z=a;t=b;Q?window.postMessage(R,"*"):u||(u=!0,ka(ma))};I=function(){z=null;A=!1;t=-1}}var Ha=0,w={current:null,currentDispatcher:null};f={ReactCurrentOwner:w,assign:y};y(f,{Schedule:{unstable_cancelScheduledWork:function(a){var b=a.next;if(null!==b){if(b===a)e=null;else{a===e&&(e=b);var c=a.previous;c.next=b;b.previous=c}a.next=a.previous=
+null}},unstable_now:m,unstable_scheduleWork:function(a,b){var c=m();b=void 0!==b&&null!==b&&null!==b.timeout&&void 0!==b.timeout?c+b.timeout:c+5E3;a={callback:a,timesOutAt:b,next:null,previous:null};if(null===e)e=a.next=a.previous=a,F(e);else{c=null;var d=e;do{if(d.timesOutAt>b){c=d;break}d=d.next}while(d!==e);null===c?c=e:c===e&&(e=a,F(e));b=c.previous;b.next=c.previous=a;a.next=c;a.previous=b}return a}},ScheduleTracing:{__interactionsRef:null,__subscriberRef:null,unstable_clear:function(a){return a()},
+unstable_getCurrent:function(){return null},unstable_getThreadID:function(){return++Ha},unstable_subscribe:function(a){},unstable_trace:function(a,b,c){return c()},unstable_unsubscribe:function(a){},unstable_wrap:function(a){return a}}});var Y=Object.prototype.hasOwnProperty,Z={key:!0,ref:!0,__self:!0,__source:!0},da=/\/+/g,x=[];l={Children:{map:function(a,b,c){if(null==a)return a;var d=[];O(a,d,null,b,c);return d},forEach:function(a,b,c){if(null==a)return a;b=aa(null,null,b,c);N(a,ta,b);ba(b)},count:function(a){return N(a,
+function(){return null},null)},toArray:function(a){var b=[];O(a,b,null,function(a){return a});return b},only:function(a){K(a)?void 0:k("143");return a}},createRef:function(){return{current:null}},Component:p,PureComponent:E,createContext:function(a,b){void 0===b&&(b=null);a={$$typeof:ya,_calculateChangedBits:b,_currentValue:a,_currentValue2:a,Provider:null,Consumer:null,unstable_read:null};a.Provider={$$typeof:xa,_context:a};a.Consumer=a;a.unstable_read=va.bind(null,a);return a},forwardRef:function(a){return{$$typeof:Aa,
+render:a}},Fragment:l,StrictMode:P,unstable_AsyncMode:za,unstable_Profiler:wa,createElement:X,cloneElement:function(a,b,c){null===a||void 0===a?k("267",a):void 0;var d=void 0,e=y({},a.props),f=a.key,m=a.ref,h=a._owner;if(null!=b){void 0!==b.ref&&(m=b.ref,h=w.current);void 0!==b.key&&(f=""+b.key);var l=void 0;a.type&&a.type.defaultProps&&(l=a.type.defaultProps);for(d in b)Y.call(b,d)&&!Z.hasOwnProperty(d)&&(e[d]=void 0===b[d]&&void 0!==l?l[d]:b[d])}d=arguments.length-2;if(1===d)e.children=c;else if(1<
+d){l=Array(d);for(var n=0;n<d;n++)l[n]=arguments[n+2];e.children=l}return{$$typeof:r,type:a.type,key:f,ref:m,props:e,_owner:h}},createFactory:function(a){var b=X.bind(null,a);b.type=a;return b},isValidElement:K,version:"16.5.2",__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED:f};l=(P={default:l},l)||P;return l.default||l});