update packages

7 files changed, 1971 insertions, 576 deletions

diff --git a/node_modules/react/LICENSE b/node_modules/react/LICENSE
index 188fb2b0b..b96dcb048 100644
--- a/node_modules/react/LICENSE
+++ b/node_modules/react/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2013-present, Facebook, Inc.
+Copyright (c) Facebook, Inc. and its affiliates.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/node_modules/react/README.md b/node_modules/react/README.md
index a4a307a93..0033e23bd 100644
--- a/node_modules/react/README.md
+++ b/node_modules/react/README.md
@@ -1,13 +1,10 @@
-# react
+# `react`
 
-An npm package to get you immediate access to [React](https://reactjs.org/),
-without also requiring the JSX transformer. This is especially useful for cases where you
-want to [`browserify`](https://github.com/substack/node-browserify) your module using
-`React`.
+React is a JavaScript library for creating user interfaces.
 
-**Note:** by default, React will be in development mode. The development version includes extra warnings about common mistakes, whereas the production version includes extra performance optimizations and strips all error messages.
+The `react` package contains only the functionality necessary to define React components. It is typically used together with a React renderer like `react-dom` for the web, or `react-native` for the native environments.
 
-To use React in production mode, set the environment variable `NODE_ENV` to `production`. A minifier that performs dead-code elimination such as [UglifyJS](https://github.com/mishoo/UglifyJS2) is recommended to completely remove the extra code present in development mode.
+**Note:** by default, React will be in development mode. The development version includes extra warnings about common mistakes, whereas the production version includes extra performance optimizations and strips all error messages. Don't forget to use the [production build](https://reactjs.org/docs/optimizing-performance.html#use-the-production-build) when deploying your application.
 
 ## Example Usage
 
diff --git a/node_modules/react/cjs/react.development.js b/node_modules/react/cjs/react.development.js
index 2c83fb95d..24582ecdd 100644
--- a/node_modules/react/cjs/react.development.js
+++ b/node_modules/react/cjs/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.
@@ -16,31 +16,32 @@ if (process.env.NODE_ENV !== "production") {
 'use strict';
 
 var _assign = require('object-assign');
-var emptyObject = require('fbjs/lib/emptyObject');
-var invariant = require('fbjs/lib/invariant');
-var warning = require('fbjs/lib/warning');
-var emptyFunction = require('fbjs/lib/emptyFunction');
 var checkPropTypes = require('prop-types/checkPropTypes');
 
 // TODO: this is special because it gets imported during build.
 
-var ReactVersion = '16.2.0';
+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_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 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 === 'undefined') {
+  if (maybeIterable === null || typeof maybeIterable !== 'object') {
     return null;
   }
   var maybeIterator = MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL];
@@ -50,13 +51,93 @@ function getIteratorFn(maybeIterable) {
   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.
+
+
+// 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
+
 /**
- * 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.
+ * Use invariant() to assert state which your program assumes to be true.
+ *
+ * Provide sprintf-style format (only %s is supported) and arguments
+ * to provide information about what broke and what you were
+ * expecting.
+ *
+ * The invariant message will be stripped in production, but the invariant
+ * will remain to ensure logic does not differ in production.
  */
 
+var validateFormat = function () {};
+
+{
+  validateFormat = function (format) {
+    if (format === undefined) {
+      throw new Error('invariant requires an error message argument');
+    }
+  };
+}
+
+function invariant(condition, format, a, b, c, d, e, f) {
+  validateFormat(format);
+
+  if (!condition) {
+    var error = 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 {
+      var args = [a, b, c, d, e, f];
+      var argIndex = 0;
+      error = new Error(format.replace(/%s/g, function () {
+        return args[argIndex++];
+      }));
+      error.name = 'Invariant Violation';
+    }
+
+    error.framesToPop = 1; // we don't care about invariant's own frame
+    throw error;
+  }
+}
+
+// Relying on the `invariant()` implementation lets us
+// preserve the format and params in the www builds.
+
 /**
  * Forked from fbjs/warning:
  * https://github.com/facebook/fbjs/blob/e66ba20ad5be433eb54423f2b097d829324d9de6/packages/fbjs/src/__forks__/warning.js
@@ -96,7 +177,7 @@ 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++) {
@@ -110,17 +191,106 @@ var lowPriorityWarning = function () {};
 
 var lowPriorityWarning$1 = lowPriorityWarning;
 
+/**
+ * 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 warningWithoutStack = function () {};
+
+{
+  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];
+    }
+
+    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') {
+      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.
+      var argIndex = 0;
+      var _message = 'Warning: ' + format.replace(/%s/g, function () {
+        return args[argIndex++];
+      });
+      throw new Error(_message);
+    } catch (x) {}
+  };
+}
+
+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(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;
   }
 }
@@ -193,12 +363,18 @@ 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;
+  // 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.
@@ -280,46 +456,37 @@ 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;
+  // 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;
 }
 
-function ComponentDummy() {}
-ComponentDummy.prototype = Component.prototype;
 var pureComponentPrototype = PureComponent.prototype = new ComponentDummy();
 pureComponentPrototype.constructor = PureComponent;
 // Avoid an extra prototype jump for these methods.
 _assign(pureComponentPrototype, Component.prototype);
 pureComponentPrototype.isPureReactComponent = true;
 
-function AsyncComponent(props, context, updater) {
-  // Duplicated from Component.
-  this.props = props;
-  this.context = context;
-  this.refs = emptyObject;
-  // 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.
-_assign(asyncComponentPrototype, Component.prototype);
-asyncComponentPrototype.unstable_isAsyncReactComponent = true;
-asyncComponentPrototype.render = function () {
-  return this.props.children;
-};
-
 /**
  * Keeps track of the current owner.
  *
@@ -331,9 +498,177 @@ 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: _assign
+};
+
+{
+  _assign(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 = Object.prototype.hasOwnProperty;
 
 var RESERVED_PROPS = {
@@ -343,8 +678,8 @@ var RESERVED_PROPS = {
   __source: true
 };
 
-var specialPropKeyWarningShown;
-var specialPropRefWarningShown;
+var specialPropKeyWarningShown = void 0;
+var specialPropRefWarningShown = void 0;
 
 function hasValidRef(config) {
   {
@@ -374,7 +709,7 @@ function defineKeyPropWarningGetter(props, displayName) {
   var warnAboutAccessingKey = function () {
     if (!specialPropKeyWarningShown) {
       specialPropKeyWarningShown = true;
-      warning(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;
@@ -388,7 +723,7 @@ function defineRefPropWarningGetter(props, displayName) {
   var warnAboutAccessingRef = function () {
     if (!specialPropRefWarningShown) {
       specialPropRefWarningShown = true;
-      warning(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;
@@ -420,7 +755,7 @@ 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
@@ -479,7 +814,7 @@ 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 = {};
@@ -536,14 +871,12 @@ 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);
       }
     }
   }
@@ -567,7 +900,9 @@ 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 = _assign({}, element.props);
@@ -596,7 +931,7 @@ 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;
     }
@@ -632,28 +967,13 @@ 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 = ':';
 
@@ -750,8 +1070,6 @@ 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;
         }
@@ -766,8 +1084,8 @@ 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;
 
@@ -783,13 +1101,13 @@ function traverseAllChildrenImpl(children, nameSoFar, callback, traverseContext)
       {
         // Warn about using Maps as children
         if (iteratorFn === children.entries) {
-          warning(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;
@@ -861,7 +1179,7 @@ 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.
@@ -888,7 +1206,9 @@ function mapSingleChildIntoContext(bookKeeping, child, childKey) {
 
   var mappedChild = func.call(context, child, bookKeeping.count++);
   if (Array.isArray(mappedChild)) {
-    mapIntoWithKeyPrefixInternal(mappedChild, result, childKey, emptyFunction.thatReturnsArgument);
+    mapIntoWithKeyPrefixInternal(mappedChild, result, childKey, function (c) {
+      return c;
+    });
   } else if (mappedChild != null) {
     if (isValidElement(mappedChild)) {
       mappedChild = cloneAndReplaceKey(mappedChild,
@@ -913,7 +1233,7 @@ 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.
@@ -936,24 +1256,28 @@ 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.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.thatReturnsArgument);
+  mapIntoWithKeyPrefixInternal(children, result, null, function (child) {
+    return child;
+  });
   return result;
 }
 
@@ -961,7 +1285,7 @@ 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
@@ -976,20 +1300,95 @@ function onlyChild(children) {
   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);
 }
 
 /**
@@ -999,42 +1398,15 @@ function getComponentName(fiber) {
  * 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 propTypesMisspellWarningShown = void 0;
 
-  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 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 + '`.';
     }
@@ -1100,14 +1472,14 @@ 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(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);
 }
 
 /**
@@ -1142,7 +1514,7 @@ 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);
@@ -1160,22 +1532,31 @@ 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(propTypes, element.props, 'prop', name, getStackAddendum);
-    currentlyValidatingElement = null;
-  } else if (componentClass.PropTypes !== undefined && !propTypesMisspellWarningShown) {
+    setCurrentlyValidatingElement(element);
+    checkPropTypes(propTypes, element.props, 'prop', name, ReactDebugCurrentFrame.getStackAddendum);
+    setCurrentlyValidatingElement(null);
+  } else if (type.PropTypes !== undefined && !propTypesMisspellWarningShown) {
     propTypesMisspellWarningShown = true;
-    warning(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(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;
   }
 }
 
@@ -1184,45 +1565,27 @@ 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(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(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) {
@@ -1238,9 +1601,19 @@ 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(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);
@@ -1262,7 +1635,7 @@ function createElementWithValidation(type, props, children) {
     }
   }
 
-  if (typeof type === 'symbol' && type === REACT_FRAGMENT_TYPE) {
+  if (type === REACT_FRAGMENT_TYPE) {
     validateFragmentProps(element);
   } else {
     validatePropTypes(element);
@@ -1273,9 +1646,8 @@ 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,
@@ -1310,11 +1682,17 @@ 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,
@@ -1323,21 +1701,12 @@ 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: _assign
-  }
+  __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: ReactSharedInternals
 };
 
-{
-  _assign(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;
 }
 
 
@@ -1350,7 +1719,7 @@ 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;
 
 module.exports = react;
   })();
diff --git a/node_modules/react/cjs/react.production.min.js b/node_modules/react/cjs/react.production.min.js
index 8959d0be9..2834f6110 100644
--- a/node_modules/react/cjs/react.production.min.js
+++ b/node_modules/react/cjs/react.production.min.js
@@ -1,21 +1,24 @@
-/** @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';var m=require("object-assign"),n=require("fbjs/lib/emptyObject"),p=require("fbjs/lib/emptyFunction"),q="function"===typeof Symbol&&Symbol["for"],r=q?Symbol["for"]("react.element"):60103,t=q?Symbol["for"]("react.call"):60104,u=q?Symbol["for"]("react.return"):60105,v=q?Symbol["for"]("react.portal"):60106,w=q?Symbol["for"]("react.fragment"):60107,x="function"===typeof Symbol&&Symbol.iterator;
-function y(a){for(var b=arguments.length-1,e="Minified React error #"+a+"; visit http://facebook.github.io/react/docs/error-decoder.html?invariant\x3d"+a,c=0;c<b;c++)e+="\x26args[]\x3d"+encodeURIComponent(arguments[c+1]);b=Error(e+" 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;}
-var z={isMounted:function(){return!1},enqueueForceUpdate:function(){},enqueueReplaceState:function(){},enqueueSetState:function(){}};function A(a,b,e){this.props=a;this.context=b;this.refs=n;this.updater=e||z}A.prototype.isReactComponent={};A.prototype.setState=function(a,b){"object"!==typeof a&&"function"!==typeof a&&null!=a?y("85"):void 0;this.updater.enqueueSetState(this,a,b,"setState")};A.prototype.forceUpdate=function(a){this.updater.enqueueForceUpdate(this,a,"forceUpdate")};
-function B(a,b,e){this.props=a;this.context=b;this.refs=n;this.updater=e||z}function C(){}C.prototype=A.prototype;var D=B.prototype=new C;D.constructor=B;m(D,A.prototype);D.isPureReactComponent=!0;function E(a,b,e){this.props=a;this.context=b;this.refs=n;this.updater=e||z}var F=E.prototype=new C;F.constructor=E;m(F,A.prototype);F.unstable_isAsyncReactComponent=!0;F.render=function(){return this.props.children};var G={current:null},H=Object.prototype.hasOwnProperty,I={key:!0,ref:!0,__self:!0,__source:!0};
-function J(a,b,e){var c,d={},g=null,k=null;if(null!=b)for(c in void 0!==b.ref&&(k=b.ref),void 0!==b.key&&(g=""+b.key),b)H.call(b,c)&&!I.hasOwnProperty(c)&&(d[c]=b[c]);var f=arguments.length-2;if(1===f)d.children=e;else if(1<f){for(var h=Array(f),l=0;l<f;l++)h[l]=arguments[l+2];d.children=h}if(a&&a.defaultProps)for(c in f=a.defaultProps,f)void 0===d[c]&&(d[c]=f[c]);return{$$typeof:r,type:a,key:g,ref:k,props:d,_owner:G.current}}function K(a){return"object"===typeof a&&null!==a&&a.$$typeof===r}
-function escape(a){var b={"\x3d":"\x3d0",":":"\x3d2"};return"$"+(""+a).replace(/[=:]/g,function(a){return b[a]})}var L=/\/+/g,M=[];function N(a,b,e,c){if(M.length){var d=M.pop();d.result=a;d.keyPrefix=b;d.func=e;d.context=c;d.count=0;return d}return{result:a,keyPrefix:b,func:e,context:c,count:0}}function O(a){a.result=null;a.keyPrefix=null;a.func=null;a.context=null;a.count=0;10>M.length&&M.push(a)}
-function P(a,b,e,c){var d=typeof a;if("undefined"===d||"boolean"===d)a=null;var g=!1;if(null===a)g=!0;else switch(d){case "string":case "number":g=!0;break;case "object":switch(a.$$typeof){case r:case t:case u:case v:g=!0}}if(g)return e(c,a,""===b?"."+Q(a,0):b),1;g=0;b=""===b?".":b+":";if(Array.isArray(a))for(var k=0;k<a.length;k++){d=a[k];var f=b+Q(d,k);g+=P(d,f,e,c)}else if(null===a||"undefined"===typeof a?f=null:(f=x&&a[x]||a["@@iterator"],f="function"===typeof f?f:null),"function"===typeof f)for(a=
-f.call(a),k=0;!(d=a.next()).done;)d=d.value,f=b+Q(d,k++),g+=P(d,f,e,c);else"object"===d&&(e=""+a,y("31","[object Object]"===e?"object with keys {"+Object.keys(a).join(", ")+"}":e,""));return g}function Q(a,b){return"object"===typeof a&&null!==a&&null!=a.key?escape(a.key):b.toString(36)}function R(a,b){a.func.call(a.context,b,a.count++)}
-function S(a,b,e){var c=a.result,d=a.keyPrefix;a=a.func.call(a.context,b,a.count++);Array.isArray(a)?T(a,c,e,p.thatReturnsArgument):null!=a&&(K(a)&&(b=d+(!a.key||b&&b.key===a.key?"":(""+a.key).replace(L,"$\x26/")+"/")+e,a={$$typeof:r,type:a.type,key:b,ref:a.ref,props:a.props,_owner:a._owner}),c.push(a))}function T(a,b,e,c,d){var g="";null!=e&&(g=(""+e).replace(L,"$\x26/")+"/");b=N(b,g,c,d);null==a||P(a,"",S,b);O(b)}
-var U={Children:{map:function(a,b,e){if(null==a)return a;var c=[];T(a,c,null,b,e);return c},forEach:function(a,b,e){if(null==a)return a;b=N(null,null,b,e);null==a||P(a,"",R,b);O(b)},count:function(a){return null==a?0:P(a,"",p.thatReturnsNull,null)},toArray:function(a){var b=[];T(a,b,null,p.thatReturnsArgument);return b},only:function(a){K(a)?void 0:y("143");return a}},Component:A,PureComponent:B,unstable_AsyncComponent:E,Fragment:w,createElement:J,cloneElement:function(a,b,e){var c=m({},a.props),
-d=a.key,g=a.ref,k=a._owner;if(null!=b){void 0!==b.ref&&(g=b.ref,k=G.current);void 0!==b.key&&(d=""+b.key);if(a.type&&a.type.defaultProps)var f=a.type.defaultProps;for(h in b)H.call(b,h)&&!I.hasOwnProperty(h)&&(c[h]=void 0===b[h]&&void 0!==f?f[h]:b[h])}var h=arguments.length-2;if(1===h)c.children=e;else if(1<h){f=Array(h);for(var l=0;l<h;l++)f[l]=arguments[l+2];c.children=f}return{$$typeof:r,type:a.type,key:d,ref:g,props:c,_owner:k}},createFactory:function(a){var b=J.bind(null,a);b.type=a;return b},
-isValidElement:K,version:"16.2.0",__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED:{ReactCurrentOwner:G,assign:m}},V=Object.freeze({default:U}),W=V&&U||V;module.exports=W["default"]?W["default"]:W;
+'use strict';var m=require("object-assign"),n="function"===typeof Symbol&&Symbol.for,p=n?Symbol.for("react.element"):60103,q=n?Symbol.for("react.portal"):60106,r=n?Symbol.for("react.fragment"):60107,t=n?Symbol.for("react.strict_mode"):60108,u=n?Symbol.for("react.profiler"):60114,v=n?Symbol.for("react.provider"):60109,w=n?Symbol.for("react.context"):60110,x=n?Symbol.for("react.async_mode"):60111,y=n?Symbol.for("react.forward_ref"):60112;n&&Symbol.for("react.placeholder");
+var z="function"===typeof Symbol&&Symbol.iterator;function A(a,b,d,c,e,g,h,f){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 k=[d,c,e,g,h,f],l=0;a=Error(b.replace(/%s/g,function(){return k[l++]}));a.name="Invariant Violation"}a.framesToPop=1;throw a;}}
+function B(a){for(var b=arguments.length-1,d="https://reactjs.org/docs/error-decoder.html?invariant="+a,c=0;c<b;c++)d+="&args[]="+encodeURIComponent(arguments[c+1]);A(!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. ",d)}var C={isMounted:function(){return!1},enqueueForceUpdate:function(){},enqueueReplaceState:function(){},enqueueSetState:function(){}},D={};
+function E(a,b,d){this.props=a;this.context=b;this.refs=D;this.updater=d||C}E.prototype.isReactComponent={};E.prototype.setState=function(a,b){"object"!==typeof a&&"function"!==typeof a&&null!=a?B("85"):void 0;this.updater.enqueueSetState(this,a,b,"setState")};E.prototype.forceUpdate=function(a){this.updater.enqueueForceUpdate(this,a,"forceUpdate")};function F(){}F.prototype=E.prototype;function G(a,b,d){this.props=a;this.context=b;this.refs=D;this.updater=d||C}var H=G.prototype=new F;
+H.constructor=G;m(H,E.prototype);H.isPureReactComponent=!0;var I={current:null,currentDispatcher:null},J=Object.prototype.hasOwnProperty,K={key:!0,ref:!0,__self:!0,__source:!0};
+function L(a,b,d){var c=void 0,e={},g=null,h=null;if(null!=b)for(c in void 0!==b.ref&&(h=b.ref),void 0!==b.key&&(g=""+b.key),b)J.call(b,c)&&!K.hasOwnProperty(c)&&(e[c]=b[c]);var f=arguments.length-2;if(1===f)e.children=d;else if(1<f){for(var k=Array(f),l=0;l<f;l++)k[l]=arguments[l+2];e.children=k}if(a&&a.defaultProps)for(c in f=a.defaultProps,f)void 0===e[c]&&(e[c]=f[c]);return{$$typeof:p,type:a,key:g,ref:h,props:e,_owner:I.current}}
+function M(a,b){return{$$typeof:p,type:a.type,key:b,ref:a.ref,props:a.props,_owner:a._owner}}function N(a){return"object"===typeof a&&null!==a&&a.$$typeof===p}function escape(a){var b={"=":"=0",":":"=2"};return"$"+(""+a).replace(/[=:]/g,function(a){return b[a]})}var O=/\/+/g,P=[];function Q(a,b,d,c){if(P.length){var e=P.pop();e.result=a;e.keyPrefix=b;e.func=d;e.context=c;e.count=0;return e}return{result:a,keyPrefix:b,func:d,context:c,count:0}}
+function R(a){a.result=null;a.keyPrefix=null;a.func=null;a.context=null;a.count=0;10>P.length&&P.push(a)}
+function S(a,b,d,c){var e=typeof a;if("undefined"===e||"boolean"===e)a=null;var g=!1;if(null===a)g=!0;else switch(e){case "string":case "number":g=!0;break;case "object":switch(a.$$typeof){case p:case q:g=!0}}if(g)return d(c,a,""===b?"."+T(a,0):b),1;g=0;b=""===b?".":b+":";if(Array.isArray(a))for(var h=0;h<a.length;h++){e=a[h];var f=b+T(e,h);g+=S(e,f,d,c)}else if(null===a||"object"!==typeof a?f=null:(f=z&&a[z]||a["@@iterator"],f="function"===typeof f?f:null),"function"===typeof f)for(a=f.call(a),h=
+0;!(e=a.next()).done;)e=e.value,f=b+T(e,h++),g+=S(e,f,d,c);else"object"===e&&(d=""+a,B("31","[object Object]"===d?"object with keys {"+Object.keys(a).join(", ")+"}":d,""));return g}function U(a,b,d){return null==a?0:S(a,"",b,d)}function T(a,b){return"object"===typeof a&&null!==a&&null!=a.key?escape(a.key):b.toString(36)}function V(a,b){a.func.call(a.context,b,a.count++)}
+function aa(a,b,d){var c=a.result,e=a.keyPrefix;a=a.func.call(a.context,b,a.count++);Array.isArray(a)?W(a,c,d,function(a){return a}):null!=a&&(N(a)&&(a=M(a,e+(!a.key||b&&b.key===a.key?"":(""+a.key).replace(O,"$&/")+"/")+d)),c.push(a))}function W(a,b,d,c,e){var g="";null!=d&&(g=(""+d).replace(O,"$&/")+"/");b=Q(b,g,c,e);U(a,aa,b);R(b)}function ba(a,b){var d=I.currentDispatcher;null===d?B("277"):void 0;return d.readContext(a,b)}
+var X={Children:{map:function(a,b,d){if(null==a)return a;var c=[];W(a,c,null,b,d);return c},forEach:function(a,b,d){if(null==a)return a;b=Q(null,null,b,d);U(a,V,b);R(b)},count:function(a){return U(a,function(){return null},null)},toArray:function(a){var b=[];W(a,b,null,function(a){return a});return b},only:function(a){N(a)?void 0:B("143");return a}},createRef:function(){return{current:null}},Component:E,PureComponent:G,createContext:function(a,b){void 0===b&&(b=null);a={$$typeof:w,_calculateChangedBits:b,
+_currentValue:a,_currentValue2:a,Provider:null,Consumer:null,unstable_read:null};a.Provider={$$typeof:v,_context:a};a.Consumer=a;a.unstable_read=ba.bind(null,a);return a},forwardRef:function(a){return{$$typeof:y,render:a}},Fragment:r,StrictMode:t,unstable_AsyncMode:x,unstable_Profiler:u,createElement:L,cloneElement:function(a,b,d){null===a||void 0===a?B("267",a):void 0;var c=void 0,e=m({},a.props),g=a.key,h=a.ref,f=a._owner;if(null!=b){void 0!==b.ref&&(h=b.ref,f=I.current);void 0!==b.key&&(g=""+b.key);
+var k=void 0;a.type&&a.type.defaultProps&&(k=a.type.defaultProps);for(c in b)J.call(b,c)&&!K.hasOwnProperty(c)&&(e[c]=void 0===b[c]&&void 0!==k?k[c]:b[c])}c=arguments.length-2;if(1===c)e.children=d;else if(1<c){k=Array(c);for(var l=0;l<c;l++)k[l]=arguments[l+2];e.children=k}return{$$typeof:p,type:a.type,key:g,ref:h,props:e,_owner:f}},createFactory:function(a){var b=L.bind(null,a);b.type=a;return b},isValidElement:N,version:"16.5.2",__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED:{ReactCurrentOwner:I,
+assign:m}},Y={default:X},Z=Y&&X||Y;module.exports=Z.default||Z;
diff --git a/node_modules/react/package.json b/node_modules/react/package.json
index e2ad5dbf3..7c774fd27 100644
--- a/node_modules/react/package.json
+++ b/node_modules/react/package.json
@@ -4,7 +4,7 @@
   "keywords": [
     "react"
   ],
-  "version": "16.2.0",
+  "version": "16.5.2",
   "homepage": "https://reactjs.org/",
   "bugs": "https://github.com/facebook/react/issues",
   "license": "MIT",
@@ -21,10 +21,10 @@
     "node": ">=0.10.0"
   },
   "dependencies": {
-    "fbjs": "^0.8.16",
     "loose-envify": "^1.1.0",
     "object-assign": "^4.1.1",
-    "prop-types": "^15.6.0"
+    "prop-types": "^15.6.2",
+    "schedule": "^0.5.0"
   },
   "browserify": {
     "transform": [
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"$"+(""+a).replace(/[=:]/g,function(a){return b[a]})}function J(a,b,c,d){if(u.length){var f=u.pop();f.result=a;f.keyPrefix=
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-0;e<a.length;e++){f=a[e];var g=b+D(f,e);l+=t(f,g,c,d)}else if(null===a||"undefined"===typeof a?g=null:(g=L&&a[L]||a["@@iterator"],g="function"===typeof g?g:null),"function"===typeof g)for(a=g.call(a),e=0;!(f=a.next()).done;)f=f.value,g=b+D(f,e++),l+=t(f,g,c,d);else"object"===f&&(c=""+a,q("31","[object Object]"===c?"object with keys {"+Object.keys(a).join(", ")+"}":c,""));return l}function D(a,b){return"object"===typeof a&&null!==a&&null!=a.key?O(a.key):b.toString(36)}function S(a,b,c){a.func.call(a.context,
-b,a.count++)}function T(a,b,c){var d=a.result,f=a.keyPrefix;a=a.func.call(a.context,b,a.count++);Array.isArray(a)?E(a,d,c,F.thatReturnsArgument):null!=a&&(C(a)&&(b=f+(!a.key||b&&b.key===a.key?"":(""+a.key).replace(M,"$\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,
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