update packages

2 files changed, 587 insertions, 215 deletions

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=
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