rmwc/react-versions/react-16.4.x/node_modules/react-test-renderer/umd/react-test-renderer.development.js

A thin React wrapper for Material Design (Web) Components

/** @license React v16.4.1
 * react-test-renderer.development.js
 *
 * Copyright (c) 2013-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

'use strict';

(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('react')) :
	typeof define === 'function' && define.amd ? define(['react'], factory) :
	(global.ReactTestRenderer = factory(global.React));
}(this, (function (React) { 'use strict';

/**
 * Copyright (c) 2013-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 */



/**
 * Use invariant() to assert state which your program assumes to be true.
 *
 * Provide sprintf-style format (only %s is supported) and arguments
 * to provide information about what broke and what you were
 * expecting.
 *
 * The invariant message will be stripped in production, but the invariant
 * will remain to ensure logic does not differ in production.
 */

var validateFormat = function validateFormat(format) {};

{
  validateFormat = function validateFormat(format) {
    if (format === undefined) {
      throw new Error('invariant requires an error message argument');
    }
  };
}

function invariant(condition, format, a, b, c, d, e, f) {
  validateFormat(format);

  if (!condition) {
    var error;
    if (format === undefined) {
      error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.');
    } else {
      var args = [a, b, c, d, e, f];
      var argIndex = 0;
      error = new Error(format.replace(/%s/g, function () {
        return args[argIndex++];
      }));
      error.name = 'Invariant Violation';
    }

    error.framesToPop = 1; // we don't care about invariant's own frame
    throw error;
  }
}

var invariant_1 = invariant;

// Relying on the `invariant()` implementation lets us
// have preserve the format and params in the www builds.

var ReactInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;

var _assign = ReactInternals.assign;

/**
 * Copyright (c) 2013-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * 
 */

function makeEmptyFunction(arg) {
  return function () {
    return arg;
  };
}

/**
 * This function accepts and discards inputs; it has no side effects. This is
 * primarily useful idiomatically for overridable function endpoints which
 * always need to be callable, since JS lacks a null-call idiom ala Cocoa.
 */
var emptyFunction = function emptyFunction() {};

emptyFunction.thatReturns = makeEmptyFunction;
emptyFunction.thatReturnsFalse = makeEmptyFunction(false);
emptyFunction.thatReturnsTrue = makeEmptyFunction(true);
emptyFunction.thatReturnsNull = makeEmptyFunction(null);
emptyFunction.thatReturnsThis = function () {
  return this;
};
emptyFunction.thatReturnsArgument = function (arg) {
  return arg;
};

var emptyFunction_1 = emptyFunction;

/**
 * Copyright (c) 2014-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 */





/**
 * Similar to invariant but only logs a warning if the condition is not met.
 * This can be used to log issues in development environments in critical
 * paths. Removing the logging code for production environments will keep the
 * same logic and follow the same code paths.
 */

var warning = emptyFunction_1;

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

    var argIndex = 0;
    var message = 'Warning: ' + format.replace(/%s/g, function () {
      return args[argIndex++];
    });
    if (typeof console !== 'undefined') {
      console.error(message);
    }
    try {
      // --- Welcome to debugging React ---
      // This error was thrown as a convenience so that you can use this stack
      // to find the callsite that caused this warning to fire.
      throw new Error(message);
    } catch (x) {}
  };

  warning = function warning(condition, format) {
    if (format === undefined) {
      throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument');
    }

    if (format.indexOf('Failed Composite propType: ') === 0) {
      return; // Ignore CompositeComponent proptype check.
    }

    if (!condition) {
      for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
        args[_key2 - 2] = arguments[_key2];
      }

      printWarning.apply(undefined, [format].concat(args));
    }
  };
}

var warning_1 = warning;

/**
 * `ReactInstanceMap` maintains a mapping from a public facing stateful
 * instance (key) and the internal representation (value). This allows public
 * methods to accept the user facing instance as an argument and map them back
 * to internal methods.
 *
 * Note that this module is currently shared and assumed to be stateless.
 * If this becomes an actual Map, that will break.
 */

/**
 * This API should be called `delete` but we'd have to make sure to always
 * transform these to strings for IE support. When this transform is fully
 * supported we can rename it.
 */


function get(key) {
  return key._reactInternalFiber;
}



function set(key, value) {
  key._reactInternalFiber = value;
}

var ReactInternals$1 = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;

var ReactCurrentOwner = ReactInternals$1.ReactCurrentOwner;
var ReactDebugCurrentFrame = ReactInternals$1.ReactDebugCurrentFrame;

// 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_TIMEOUT_TYPE = hasSymbol ? Symbol.for('react.timeout') : 0xead1;

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;
}

function getComponentName(fiber) {
  var type = fiber.type;

  if (typeof type === 'function') {
    return type.displayName || type.name;
  }
  if (typeof type === 'string') {
    return type;
  }
  switch (type) {
    case REACT_ASYNC_MODE_TYPE:
      return 'AsyncMode';
    case REACT_CONTEXT_TYPE:
      return 'Context.Consumer';
    case REACT_FRAGMENT_TYPE:
      return 'ReactFragment';
    case REACT_PORTAL_TYPE:
      return 'ReactPortal';
    case REACT_PROFILER_TYPE:
      return 'Profiler(' + fiber.pendingProps.id + ')';
    case REACT_PROVIDER_TYPE:
      return 'Context.Provider';
    case REACT_STRICT_MODE_TYPE:
      return 'StrictMode';
    case REACT_TIMEOUT_TYPE:
      return 'Timeout';
  }
  if (typeof type === 'object' && type !== null) {
    switch (type.$$typeof) {
      case REACT_FORWARD_REF_TYPE:
        var functionName = type.render.displayName || type.render.name || '';
        return functionName !== '' ? 'ForwardRef(' + functionName + ')' : 'ForwardRef';
    }
  }
  return null;
}

var IndeterminateComponent = 0; // Before we know whether it is functional or class
var FunctionalComponent = 1;
var ClassComponent = 2;
var HostRoot = 3; // Root of a host tree. Could be nested inside another node.
var HostPortal = 4; // A subtree. Could be an entry point to a different renderer.
var HostComponent = 5;
var HostText = 6;



var Fragment = 10;
var Mode = 11;
var ContextConsumer = 12;
var ContextProvider = 13;
var ForwardRef = 14;
var Profiler = 15;
var TimeoutComponent = 16;

// Don't change these two values. They're used by React Dev Tools.
var NoEffect = /*              */0;
var PerformedWork = /*         */1;

// You can change the rest (and add more).
var Placement = /*             */2;
var Update = /*                */4;
var PlacementAndUpdate = /*    */6;
var Deletion = /*              */8;
var ContentReset = /*          */16;
var Callback = /*              */32;
var DidCapture = /*            */64;
var Ref = /*                   */128;
var Snapshot = /*              */256;

// Union of all host effects
var HostEffectMask = /*        */511;

var Incomplete = /*            */512;
var ShouldCapture = /*         */1024;

var MOUNTING = 1;
var MOUNTED = 2;
var UNMOUNTED = 3;

function isFiberMountedImpl(fiber) {
  var node = fiber;
  if (!fiber.alternate) {
    // If there is no alternate, this might be a new tree that isn't inserted
    // yet. If it is, then it will have a pending insertion effect on it.
    if ((node.effectTag & Placement) !== NoEffect) {
      return MOUNTING;
    }
    while (node.return) {
      node = node.return;
      if ((node.effectTag & Placement) !== NoEffect) {
        return MOUNTING;
      }
    }
  } else {
    while (node.return) {
      node = node.return;
    }
  }
  if (node.tag === HostRoot) {
    // TODO: Check if this was a nested HostRoot when used with
    // renderContainerIntoSubtree.
    return MOUNTED;
  }
  // If we didn't hit the root, that means that we're in an disconnected tree
  // that has been unmounted.
  return UNMOUNTED;
}

function isFiberMounted(fiber) {
  return isFiberMountedImpl(fiber) === MOUNTED;
}

function isMounted(component) {
  {
    var owner = ReactCurrentOwner.current;
    if (owner !== null && owner.tag === ClassComponent) {
      var ownerFiber = owner;
      var instance = ownerFiber.stateNode;
      !instance._warnedAboutRefsInRender ? warning_1(false, '%s is accessing isMounted inside its render() function. ' + 'render() should be a pure function of props and state. It should ' + 'never access something that requires stale data from the previous ' + 'render, such as refs. Move this logic to componentDidMount and ' + 'componentDidUpdate instead.', getComponentName(ownerFiber) || 'A component') : void 0;
      instance._warnedAboutRefsInRender = true;
    }
  }

  var fiber = get(component);
  if (!fiber) {
    return false;
  }
  return isFiberMountedImpl(fiber) === MOUNTED;
}

function assertIsMounted(fiber) {
  !(isFiberMountedImpl(fiber) === MOUNTED) ? invariant_1(false, 'Unable to find node on an unmounted component.') : void 0;
}

function findCurrentFiberUsingSlowPath(fiber) {
  var alternate = fiber.alternate;
  if (!alternate) {
    // If there is no alternate, then we only need to check if it is mounted.
    var state = isFiberMountedImpl(fiber);
    !(state !== UNMOUNTED) ? invariant_1(false, 'Unable to find node on an unmounted component.') : void 0;
    if (state === MOUNTING) {
      return null;
    }
    return fiber;
  }
  // If we have two possible branches, we'll walk backwards up to the root
  // to see what path the root points to. On the way we may hit one of the
  // special cases and we'll deal with them.
  var a = fiber;
  var b = alternate;
  while (true) {
    var parentA = a.return;
    var parentB = parentA ? parentA.alternate : null;
    if (!parentA || !parentB) {
      // We're at the root.
      break;
    }

    // If both copies of the parent fiber point to the same child, we can
    // assume that the child is current. This happens when we bailout on low
    // priority: the bailed out fiber's child reuses the current child.
    if (parentA.child === parentB.child) {
      var child = parentA.child;
      while (child) {
        if (child === a) {
          // We've determined that A is the current branch.
          assertIsMounted(parentA);
          return fiber;
        }
        if (child === b) {
          // We've determined that B is the current branch.
          assertIsMounted(parentA);
          return alternate;
        }
        child = child.sibling;
      }
      // We should never have an alternate for any mounting node. So the only
      // way this could possibly happen is if this was unmounted, if at all.
      invariant_1(false, 'Unable to find node on an unmounted component.');
    }

    if (a.return !== b.return) {
      // The return pointer of A and the return pointer of B point to different
      // fibers. We assume that return pointers never criss-cross, so A must
      // belong to the child set of A.return, and B must belong to the child
      // set of B.return.
      a = parentA;
      b = parentB;
    } else {
      // The return pointers point to the same fiber. We'll have to use the
      // default, slow path: scan the child sets of each parent alternate to see
      // which child belongs to which set.
      //
      // Search parent A's child set
      var didFindChild = false;
      var _child = parentA.child;
      while (_child) {
        if (_child === a) {
          didFindChild = true;
          a = parentA;
          b = parentB;
          break;
        }
        if (_child === b) {
          didFindChild = true;
          b = parentA;
          a = parentB;
          break;
        }
        _child = _child.sibling;
      }
      if (!didFindChild) {
        // Search parent B's child set
        _child = parentB.child;
        while (_child) {
          if (_child === a) {
            didFindChild = true;
            a = parentB;
            b = parentA;
            break;
          }
          if (_child === b) {
            didFindChild = true;
            b = parentB;
            a = parentA;
            break;
          }
          _child = _child.sibling;
        }
        !didFindChild ? invariant_1(false, 'Child was not found in either parent set. This indicates a bug in React related to the return pointer. Please file an issue.') : void 0;
      }
    }

    !(a.alternate === b) ? invariant_1(false, 'Return fibers should always be each others\' alternates. This error is likely caused by a bug in React. Please file an issue.') : void 0;
  }
  // If the root is not a host container, we're in a disconnected tree. I.e.
  // unmounted.
  !(a.tag === HostRoot) ? invariant_1(false, 'Unable to find node on an unmounted component.') : void 0;
  if (a.stateNode.current === a) {
    // We've determined that A is the current branch.
    return fiber;
  }
  // Otherwise B has to be current branch.
  return alternate;
}

/**
 * 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;

// Current virtual time
var nowImplementation = function () {
  return 0;
};
var scheduledCallback = null;
var yieldedValues = null;

function scheduleDeferredCallback$1(callback, options) {
  scheduledCallback = callback;
  var fakeCallbackId = 0;
  return fakeCallbackId;
}

function cancelDeferredCallback$1(timeoutID) {
  scheduledCallback = null;
}

function setNowImplementation(implementation) {
  nowImplementation = implementation;
}

function flushAll() {
  yieldedValues = null;
  while (scheduledCallback !== null) {
    var cb = scheduledCallback;
    scheduledCallback = null;
    cb({
      timeRemaining: function () {
        // Keep rendering until there's no more work
        return 999;
      },

      // React's scheduler has its own way of keeping track of expired
      // work and doesn't read this, so don't bother setting it to the
      // correct value.
      didTimeout: false
    });
  }
  if (yieldedValues === null) {
    // Always return an array.
    return [];
  }
  return yieldedValues;
}

function flushThrough(expectedValues) {
  var didStop = false;
  yieldedValues = null;
  while (scheduledCallback !== null && !didStop) {
    var cb = scheduledCallback;
    scheduledCallback = null;
    cb({
      timeRemaining: function () {
        if (yieldedValues !== null && yieldedValues.length >= expectedValues.length) {
          // We at least as many values as expected. Stop rendering.
          didStop = true;
          return 0;
        }
        // Keep rendering.
        return 999;
      },

      // React's scheduler has its own way of keeping track of expired
      // work and doesn't read this, so don't bother setting it to the
      // correct value.
      didTimeout: false
    });
  }
  if (yieldedValues === null) {
    // Always return an array.
    yieldedValues = [];
  }
  for (var i = 0; i < expectedValues.length; i++) {
    var expectedValue = '"' + expectedValues[i] + '"';
    var yieldedValue = i < yieldedValues.length ? '"' + yieldedValues[i] + '"' : 'nothing';
    if (yieldedValue !== expectedValue) {
      var error = new Error('flushThrough expected to yield ' + expectedValue + ', but ' + yieldedValue + ' was yielded');
      // Attach expected and yielded arrays,
      // So the caller could pretty print the diff (if desired).
      error.expectedValues = expectedValues;
      error.actualValues = yieldedValues;
      throw error;
    }
  }
  return yieldedValues;
}

function yieldValue(value) {
  if (yieldedValues === null) {
    yieldedValues = [value];
  } else {
    yieldedValues.push(value);
  }
}

function withCleanYields(fn) {
  yieldedValues = [];
  fn();
  return yieldedValues;
}

// Renderers that don't support persistence
// can re-export everything from this module.

function shim() {
  invariant_1(false, 'The current renderer does not support persistence. This error is likely caused by a bug in React. Please file an issue.');
}

// Persistence (when unsupported)
var supportsPersistence = false;
var cloneInstance = shim;
var createContainerChildSet = shim;
var appendChildToContainerChildSet = shim;
var finalizeContainerChildren = shim;
var replaceContainerChildren = shim;

// Renderers that don't support hydration
// can re-export everything from this module.

function shim$1() {
  invariant_1(false, 'The current renderer does not support hyration. This error is likely caused by a bug in React. Please file an issue.');
}

// Hydration (when unsupported)
var supportsHydration = false;
var canHydrateInstance = shim$1;
var canHydrateTextInstance = shim$1;
var getNextHydratableSibling = shim$1;
var getFirstHydratableChild = shim$1;
var hydrateInstance = shim$1;
var hydrateTextInstance = shim$1;
var didNotMatchHydratedContainerTextInstance = shim$1;
var didNotMatchHydratedTextInstance = shim$1;
var didNotHydrateContainerInstance = shim$1;
var didNotHydrateInstance = shim$1;
var didNotFindHydratableContainerInstance = shim$1;
var didNotFindHydratableContainerTextInstance = shim$1;
var didNotFindHydratableInstance = shim$1;
var didNotFindHydratableTextInstance = shim$1;

// Unused

var UPDATE_SIGNAL = {};

function getPublicInstance(inst) {
  switch (inst.tag) {
    case 'INSTANCE':
      var _createNodeMock = inst.rootContainerInstance.createNodeMock;
      return _createNodeMock({
        type: inst.type,
        props: inst.props
      });
    default:
      return inst;
  }
}

function appendChild(parentInstance, child) {
  var index = parentInstance.children.indexOf(child);
  if (index !== -1) {
    parentInstance.children.splice(index, 1);
  }
  parentInstance.children.push(child);
}

function insertBefore(parentInstance, child, beforeChild) {
  var index = parentInstance.children.indexOf(child);
  if (index !== -1) {
    parentInstance.children.splice(index, 1);
  }
  var beforeIndex = parentInstance.children.indexOf(beforeChild);
  parentInstance.children.splice(beforeIndex, 0, child);
}

function removeChild(parentInstance, child) {
  var index = parentInstance.children.indexOf(child);
  parentInstance.children.splice(index, 1);
}

function getRootHostContext(rootContainerInstance) {
  return emptyObject_1;
}

function getChildHostContext(parentHostContext, type, rootContainerInstance) {
  return emptyObject_1;
}

function prepareForCommit(containerInfo) {
  // noop
}

function resetAfterCommit(containerInfo) {
  // noop
}

function createInstance(type, props, rootContainerInstance, hostContext, internalInstanceHandle) {
  return {
    type: type,
    props: props,
    children: [],
    rootContainerInstance: rootContainerInstance,
    tag: 'INSTANCE'
  };
}

function appendInitialChild(parentInstance, child) {
  var index = parentInstance.children.indexOf(child);
  if (index !== -1) {
    parentInstance.children.splice(index, 1);
  }
  parentInstance.children.push(child);
}

function finalizeInitialChildren(testElement, type, props, rootContainerInstance, hostContext) {
  return false;
}

function prepareUpdate(testElement, type, oldProps, newProps, rootContainerInstance, hostContext) {
  return UPDATE_SIGNAL;
}

function shouldSetTextContent(type, props) {
  return false;
}

function shouldDeprioritizeSubtree(type, props) {
  return false;
}

function createTextInstance(text, rootContainerInstance, hostContext, internalInstanceHandle) {
  return {
    text: text,
    tag: 'TEXT'
  };
}

var isPrimaryRenderer = true;
// This approach enables `now` to be mocked by tests,
// Even after the reconciler has initialized and read host config values.
var now = function () {
  return nowImplementation();
};
var scheduleDeferredCallback = scheduleDeferredCallback$1;
var cancelDeferredCallback = cancelDeferredCallback$1;

// -------------------
//     Mutation
// -------------------

var supportsMutation = true;

function commitUpdate(instance, updatePayload, type, oldProps, newProps, internalInstanceHandle) {
  instance.type = type;
  instance.props = newProps;
}



function commitTextUpdate(textInstance, oldText, newText) {
  textInstance.text = newText;
}

function resetTextContent(testElement) {
  // noop
}

var appendChildToContainer = appendChild;
var insertInContainerBefore = insertBefore;
var removeChildFromContainer = removeChild;

/**
 * Copyright (c) 2013-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */



var ReactPropTypesSecret$1 = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED';

var ReactPropTypesSecret_1 = ReactPropTypesSecret$1;

/**
 * Copyright (c) 2013-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */



{
  var invariant$2 = invariant_1;
  var warning$2 = warning_1;
  var ReactPropTypesSecret = ReactPropTypesSecret_1;
  var loggedTypeFailures = {};
}

/**
 * Assert that the values match with the type specs.
 * Error messages are memorized and will only be shown once.
 *
 * @param {object} typeSpecs Map of name to a ReactPropType
 * @param {object} values Runtime values that need to be type-checked
 * @param {string} location e.g. "prop", "context", "child context"
 * @param {string} componentName Name of the component for error messages.
 * @param {?Function} getStack Returns the component stack.
 * @private
 */
function checkPropTypes(typeSpecs, values, location, componentName, getStack) {
  {
    for (var typeSpecName in typeSpecs) {
      if (typeSpecs.hasOwnProperty(typeSpecName)) {
        var error;
        // Prop type validation may throw. In case they do, we don't want to
        // fail the render phase where it didn't fail before. So we log it.
        // After these have been cleaned up, we'll let them throw.
        try {
          // This is intentionally an invariant that gets caught. It's the same
          // behavior as without this statement except with a better message.
          invariant$2(typeof typeSpecs[typeSpecName] === 'function', '%s: %s type `%s` is invalid; it must be a function, usually from ' + 'the `prop-types` package, but received `%s`.', componentName || 'React class', location, typeSpecName, typeof typeSpecs[typeSpecName]);
          error = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, ReactPropTypesSecret);
        } catch (ex) {
          error = ex;
        }
        warning$2(!error || error instanceof Error, '%s: type specification of %s `%s` is invalid; the type checker ' + 'function must return `null` or an `Error` but returned a %s. ' + 'You may have forgotten to pass an argument to the type checker ' + 'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' + 'shape all require an argument).', componentName || 'React class', location, typeSpecName, typeof error);
        if (error instanceof Error && !(error.message in loggedTypeFailures)) {
          // Only monitor this failure once because there tends to be a lot of the
          // same error.
          loggedTypeFailures[error.message] = true;

          var stack = getStack ? getStack() : '';

          warning$2(false, 'Failed %s type: %s%s', location, error.message, stack != null ? stack : '');
        }
      }
    }
  }
}

var checkPropTypes_1 = checkPropTypes;

var describeComponentFrame = function (name, source, ownerName) {
  return '\n    in ' + (name || 'Unknown') + (source ? ' (at ' + source.fileName.replace(/^.*[\\\/]/, '') + ':' + source.lineNumber + ')' : ownerName ? ' (created by ' + ownerName + ')' : '');
};

function describeFiber(fiber) {
  switch (fiber.tag) {
    case IndeterminateComponent:
    case FunctionalComponent:
    case ClassComponent:
    case HostComponent:
      var owner = fiber._debugOwner;
      var source = fiber._debugSource;
      var name = getComponentName(fiber);
      var ownerName = null;
      if (owner) {
        ownerName = getComponentName(owner);
      }
      return describeComponentFrame(name, source, ownerName);
    default:
      return '';
  }
}

// This function can only be called with a work-in-progress fiber and
// only during begin or complete phase. Do not call it under any other
// circumstances.
function getStackAddendumByWorkInProgressFiber(workInProgress) {
  var info = '';
  var node = workInProgress;
  do {
    info += describeFiber(node);
    // Otherwise this return pointer might point to the wrong tree:
    node = node.return;
  } while (node);
  return info;
}

function getCurrentFiberOwnerName() {
  {
    var fiber = ReactDebugCurrentFiber.current;
    if (fiber === null) {
      return null;
    }
    var owner = fiber._debugOwner;
    if (owner !== null && typeof owner !== 'undefined') {
      return getComponentName(owner);
    }
  }
  return null;
}

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

function resetCurrentFiber() {
  ReactDebugCurrentFrame.getCurrentStack = null;
  ReactDebugCurrentFiber.current = null;
  ReactDebugCurrentFiber.phase = null;
}

function setCurrentFiber(fiber) {
  ReactDebugCurrentFrame.getCurrentStack = getCurrentFiberStackAddendum;
  ReactDebugCurrentFiber.current = fiber;
  ReactDebugCurrentFiber.phase = null;
}

function setCurrentPhase(phase) {
  ReactDebugCurrentFiber.phase = phase;
}

var ReactDebugCurrentFiber = {
  current: null,
  phase: null,
  resetCurrentFiber: resetCurrentFiber,
  setCurrentFiber: setCurrentFiber,
  setCurrentPhase: setCurrentPhase,
  getCurrentFiberOwnerName: getCurrentFiberOwnerName,
  getCurrentFiberStackAddendum: getCurrentFiberStackAddendum
};

var debugRenderPhaseSideEffects = false;
var debugRenderPhaseSideEffectsForStrictMode = false;
var enableUserTimingAPI = true;
var enableGetDerivedStateFromCatch = false;
var enableSuspense = false;
var warnAboutDeprecatedLifecycles = false;
var warnAboutLegacyContextAPI = false;
var replayFailedUnitOfWorkWithInvokeGuardedCallback = false;
var enableProfilerTimer = false;

// Only used in www builds.

// Prefix measurements so that it's possible to filter them.
// Longer prefixes are hard to read in DevTools.
var reactEmoji = '\u269B';
var warningEmoji = '\u26D4';
var supportsUserTiming = typeof performance !== 'undefined' && typeof performance.mark === 'function' && typeof performance.clearMarks === 'function' && typeof performance.measure === 'function' && typeof performance.clearMeasures === 'function';

// Keep track of current fiber so that we know the path to unwind on pause.
// TODO: this looks the same as nextUnitOfWork in scheduler. Can we unify them?
var currentFiber = null;
// If we're in the middle of user code, which fiber and method is it?
// Reusing `currentFiber` would be confusing for this because user code fiber
// can change during commit phase too, but we don't need to unwind it (since
// lifecycles in the commit phase don't resemble a tree).
var currentPhase = null;
var currentPhaseFiber = null;
// Did lifecycle hook schedule an update? This is often a performance problem,
// so we will keep track of it, and include it in the report.
// Track commits caused by cascading updates.
var isCommitting = false;
var hasScheduledUpdateInCurrentCommit = false;
var hasScheduledUpdateInCurrentPhase = false;
var commitCountInCurrentWorkLoop = 0;
var effectCountInCurrentCommit = 0;
var isWaitingForCallback = false;
// During commits, we only show a measurement once per method name
// to avoid stretch the commit phase with measurement overhead.
var labelsInCurrentCommit = new Set();

var formatMarkName = function (markName) {
  return reactEmoji + ' ' + markName;
};

var formatLabel = function (label, warning) {
  var prefix = warning ? warningEmoji + ' ' : reactEmoji + ' ';
  var suffix = warning ? ' Warning: ' + warning : '';
  return '' + prefix + label + suffix;
};

var beginMark = function (markName) {
  performance.mark(formatMarkName(markName));
};

var clearMark = function (markName) {
  performance.clearMarks(formatMarkName(markName));
};

var endMark = function (label, markName, warning) {
  var formattedMarkName = formatMarkName(markName);
  var formattedLabel = formatLabel(label, warning);
  try {
    performance.measure(formattedLabel, formattedMarkName);
  } catch (err) {}
  // If previous mark was missing for some reason, this will throw.
  // This could only happen if React crashed in an unexpected place earlier.
  // Don't pile on with more errors.

  // Clear marks immediately to avoid growing buffer.
  performance.clearMarks(formattedMarkName);
  performance.clearMeasures(formattedLabel);
};

var getFiberMarkName = function (label, debugID) {
  return label + ' (#' + debugID + ')';
};

var getFiberLabel = function (componentName, isMounted, phase) {
  if (phase === null) {
    // These are composite component total time measurements.
    return componentName + ' [' + (isMounted ? 'update' : 'mount') + ']';
  } else {
    // Composite component methods.
    return componentName + '.' + phase;
  }
};

var beginFiberMark = function (fiber, phase) {
  var componentName = getComponentName(fiber) || 'Unknown';
  var debugID = fiber._debugID;
  var isMounted = fiber.alternate !== null;
  var label = getFiberLabel(componentName, isMounted, phase);

  if (isCommitting && labelsInCurrentCommit.has(label)) {
    // During the commit phase, we don't show duplicate labels because
    // there is a fixed overhead for every measurement, and we don't
    // want to stretch the commit phase beyond necessary.
    return false;
  }
  labelsInCurrentCommit.add(label);

  var markName = getFiberMarkName(label, debugID);
  beginMark(markName);
  return true;
};

var clearFiberMark = function (fiber, phase) {
  var componentName = getComponentName(fiber) || 'Unknown';
  var debugID = fiber._debugID;
  var isMounted = fiber.alternate !== null;
  var label = getFiberLabel(componentName, isMounted, phase);
  var markName = getFiberMarkName(label, debugID);
  clearMark(markName);
};

var endFiberMark = function (fiber, phase, warning) {
  var componentName = getComponentName(fiber) || 'Unknown';
  var debugID = fiber._debugID;
  var isMounted = fiber.alternate !== null;
  var label = getFiberLabel(componentName, isMounted, phase);
  var markName = getFiberMarkName(label, debugID);
  endMark(label, markName, warning);
};

var shouldIgnoreFiber = function (fiber) {
  // Host components should be skipped in the timeline.
  // We could check typeof fiber.type, but does this work with RN?
  switch (fiber.tag) {
    case HostRoot:
    case HostComponent:
    case HostText:
    case HostPortal:
    case Fragment:
    case ContextProvider:
    case ContextConsumer:
    case Mode:
      return true;
    default:
      return false;
  }
};

var clearPendingPhaseMeasurement = function () {
  if (currentPhase !== null && currentPhaseFiber !== null) {
    clearFiberMark(currentPhaseFiber, currentPhase);
  }
  currentPhaseFiber = null;
  currentPhase = null;
  hasScheduledUpdateInCurrentPhase = false;
};

var pauseTimers = function () {
  // Stops all currently active measurements so that they can be resumed
  // if we continue in a later deferred loop from the same unit of work.
  var fiber = currentFiber;
  while (fiber) {
    if (fiber._debugIsCurrentlyTiming) {
      endFiberMark(fiber, null, null);
    }
    fiber = fiber.return;
  }
};

var resumeTimersRecursively = function (fiber) {
  if (fiber.return !== null) {
    resumeTimersRecursively(fiber.return);
  }
  if (fiber._debugIsCurrentlyTiming) {
    beginFiberMark(fiber, null);
  }
};

var resumeTimers = function () {
  // Resumes all measurements that were active during the last deferred loop.
  if (currentFiber !== null) {
    resumeTimersRecursively(currentFiber);
  }
};

function recordEffect() {
  if (enableUserTimingAPI) {
    effectCountInCurrentCommit++;
  }
}

function recordScheduleUpdate() {
  if (enableUserTimingAPI) {
    if (isCommitting) {
      hasScheduledUpdateInCurrentCommit = true;
    }
    if (currentPhase !== null && currentPhase !== 'componentWillMount' && currentPhase !== 'componentWillReceiveProps') {
      hasScheduledUpdateInCurrentPhase = true;
    }
  }
}

function startRequestCallbackTimer() {
  if (enableUserTimingAPI) {
    if (supportsUserTiming && !isWaitingForCallback) {
      isWaitingForCallback = true;
      beginMark('(Waiting for async callback...)');
    }
  }
}

function stopRequestCallbackTimer(didExpire, expirationTime) {
  if (enableUserTimingAPI) {
    if (supportsUserTiming) {
      isWaitingForCallback = false;
      var warning = didExpire ? 'React was blocked by main thread' : null;
      endMark('(Waiting for async callback... will force flush in ' + expirationTime + ' ms)', '(Waiting for async callback...)', warning);
    }
  }
}

function startWorkTimer(fiber) {
  if (enableUserTimingAPI) {
    if (!supportsUserTiming || shouldIgnoreFiber(fiber)) {
      return;
    }
    // If we pause, this is the fiber to unwind from.
    currentFiber = fiber;
    if (!beginFiberMark(fiber, null)) {
      return;
    }
    fiber._debugIsCurrentlyTiming = true;
  }
}

function cancelWorkTimer(fiber) {
  if (enableUserTimingAPI) {
    if (!supportsUserTiming || shouldIgnoreFiber(fiber)) {
      return;
    }
    // Remember we shouldn't complete measurement for this fiber.
    // Otherwise flamechart will be deep even for small updates.
    fiber._debugIsCurrentlyTiming = false;
    clearFiberMark(fiber, null);
  }
}

function stopWorkTimer(fiber) {
  if (enableUserTimingAPI) {
    if (!supportsUserTiming || shouldIgnoreFiber(fiber)) {
      return;
    }
    // If we pause, its parent is the fiber to unwind from.
    currentFiber = fiber.return;
    if (!fiber._debugIsCurrentlyTiming) {
      return;
    }
    fiber._debugIsCurrentlyTiming = false;
    endFiberMark(fiber, null, null);
  }
}

function stopFailedWorkTimer(fiber) {
  if (enableUserTimingAPI) {
    if (!supportsUserTiming || shouldIgnoreFiber(fiber)) {
      return;
    }
    // If we pause, its parent is the fiber to unwind from.
    currentFiber = fiber.return;
    if (!fiber._debugIsCurrentlyTiming) {
      return;
    }
    fiber._debugIsCurrentlyTiming = false;
    var warning = 'An error was thrown inside this error boundary';
    endFiberMark(fiber, null, warning);
  }
}

function startPhaseTimer(fiber, phase) {
  if (enableUserTimingAPI) {
    if (!supportsUserTiming) {
      return;
    }
    clearPendingPhaseMeasurement();
    if (!beginFiberMark(fiber, phase)) {
      return;
    }
    currentPhaseFiber = fiber;
    currentPhase = phase;
  }
}

function stopPhaseTimer() {
  if (enableUserTimingAPI) {
    if (!supportsUserTiming) {
      return;
    }
    if (currentPhase !== null && currentPhaseFiber !== null) {
      var warning = hasScheduledUpdateInCurrentPhase ? 'Scheduled a cascading update' : null;
      endFiberMark(currentPhaseFiber, currentPhase, warning);
    }
    currentPhase = null;
    currentPhaseFiber = null;
  }
}

function startWorkLoopTimer(nextUnitOfWork) {
  if (enableUserTimingAPI) {
    currentFiber = nextUnitOfWork;
    if (!supportsUserTiming) {
      return;
    }
    commitCountInCurrentWorkLoop = 0;
    // This is top level call.
    // Any other measurements are performed within.
    beginMark('(React Tree Reconciliation)');
    // Resume any measurements that were in progress during the last loop.
    resumeTimers();
  }
}

function stopWorkLoopTimer(interruptedBy, didCompleteRoot) {
  if (enableUserTimingAPI) {
    if (!supportsUserTiming) {
      return;
    }
    var warning = null;
    if (interruptedBy !== null) {
      if (interruptedBy.tag === HostRoot) {
        warning = 'A top-level update interrupted the previous render';
      } else {
        var componentName = getComponentName(interruptedBy) || 'Unknown';
        warning = 'An update to ' + componentName + ' interrupted the previous render';
      }
    } else if (commitCountInCurrentWorkLoop > 1) {
      warning = 'There were cascading updates';
    }
    commitCountInCurrentWorkLoop = 0;
    var label = didCompleteRoot ? '(React Tree Reconciliation: Completed Root)' : '(React Tree Reconciliation: Yielded)';
    // Pause any measurements until the next loop.
    pauseTimers();
    endMark(label, '(React Tree Reconciliation)', warning);
  }
}

function startCommitTimer() {
  if (enableUserTimingAPI) {
    if (!supportsUserTiming) {
      return;
    }
    isCommitting = true;
    hasScheduledUpdateInCurrentCommit = false;
    labelsInCurrentCommit.clear();
    beginMark('(Committing Changes)');
  }
}

function stopCommitTimer() {
  if (enableUserTimingAPI) {
    if (!supportsUserTiming) {
      return;
    }

    var warning = null;
    if (hasScheduledUpdateInCurrentCommit) {
      warning = 'Lifecycle hook scheduled a cascading update';
    } else if (commitCountInCurrentWorkLoop > 0) {
      warning = 'Caused by a cascading update in earlier commit';
    }
    hasScheduledUpdateInCurrentCommit = false;
    commitCountInCurrentWorkLoop++;
    isCommitting = false;
    labelsInCurrentCommit.clear();

    endMark('(Committing Changes)', '(Committing Changes)', warning);
  }
}

function startCommitSnapshotEffectsTimer() {
  if (enableUserTimingAPI) {
    if (!supportsUserTiming) {
      return;
    }
    effectCountInCurrentCommit = 0;
    beginMark('(Committing Snapshot Effects)');
  }
}

function stopCommitSnapshotEffectsTimer() {
  if (enableUserTimingAPI) {
    if (!supportsUserTiming) {
      return;
    }
    var count = effectCountInCurrentCommit;
    effectCountInCurrentCommit = 0;
    endMark('(Committing Snapshot Effects: ' + count + ' Total)', '(Committing Snapshot Effects)', null);
  }
}

function startCommitHostEffectsTimer() {
  if (enableUserTimingAPI) {
    if (!supportsUserTiming) {
      return;
    }
    effectCountInCurrentCommit = 0;
    beginMark('(Committing Host Effects)');
  }
}

function stopCommitHostEffectsTimer() {
  if (enableUserTimingAPI) {
    if (!supportsUserTiming) {
      return;
    }
    var count = effectCountInCurrentCommit;
    effectCountInCurrentCommit = 0;
    endMark('(Committing Host Effects: ' + count + ' Total)', '(Committing Host Effects)', null);
  }
}

function startCommitLifeCyclesTimer() {
  if (enableUserTimingAPI) {
    if (!supportsUserTiming) {
      return;
    }
    effectCountInCurrentCommit = 0;
    beginMark('(Calling Lifecycle Methods)');
  }
}

function stopCommitLifeCyclesTimer() {
  if (enableUserTimingAPI) {
    if (!supportsUserTiming) {
      return;
    }
    var count = effectCountInCurrentCommit;
    effectCountInCurrentCommit = 0;
    endMark('(Calling Lifecycle Methods: ' + count + ' Total)', '(Calling Lifecycle Methods)', null);
  }
}

var valueStack = [];

var fiberStack = void 0;

{
  fiberStack = [];
}

var index = -1;

function createCursor(defaultValue) {
  return {
    current: defaultValue
  };
}

function pop(cursor, fiber) {
  if (index < 0) {
    {
      warning_1(false, 'Unexpected pop.');
    }
    return;
  }

  {
    if (fiber !== fiberStack[index]) {
      warning_1(false, 'Unexpected Fiber popped.');
    }
  }

  cursor.current = valueStack[index];

  valueStack[index] = null;

  {
    fiberStack[index] = null;
  }

  index--;
}

function push(cursor, value, fiber) {
  index++;

  valueStack[index] = cursor.current;

  {
    fiberStack[index] = fiber;
  }

  cursor.current = value;
}

function checkThatStackIsEmpty() {
  {
    if (index !== -1) {
      warning_1(false, 'Expected an empty stack. Something was not reset properly.');
    }
  }
}

function resetStackAfterFatalErrorInDev() {
  {
    index = -1;
    valueStack.length = 0;
    fiberStack.length = 0;
  }
}

var warnedAboutMissingGetChildContext = void 0;

{
  warnedAboutMissingGetChildContext = {};
}

// A cursor to the current merged context object on the stack.
var contextStackCursor = createCursor(emptyObject_1);
// A cursor to a boolean indicating whether the context has changed.
var didPerformWorkStackCursor = createCursor(false);
// Keep track of the previous context object that was on the stack.
// We use this to get access to the parent context after we have already
// pushed the next context provider, and now need to merge their contexts.
var previousContext = emptyObject_1;

function getUnmaskedContext(workInProgress) {
  var hasOwnContext = isContextProvider(workInProgress);
  if (hasOwnContext) {
    // If the fiber is a context provider itself, when we read its context
    // we have already pushed its own child context on the stack. A context
    // provider should not "see" its own child context. Therefore we read the
    // previous (parent) context instead for a context provider.
    return previousContext;
  }
  return contextStackCursor.current;
}

function cacheContext(workInProgress, unmaskedContext, maskedContext) {
  var instance = workInProgress.stateNode;
  instance.__reactInternalMemoizedUnmaskedChildContext = unmaskedContext;
  instance.__reactInternalMemoizedMaskedChildContext = maskedContext;
}

function getMaskedContext(workInProgress, unmaskedContext) {
  var type = workInProgress.type;
  var contextTypes = type.contextTypes;
  if (!contextTypes) {
    return emptyObject_1;
  }

  // Avoid recreating masked context unless unmasked context has changed.
  // Failing to do this will result in unnecessary calls to componentWillReceiveProps.
  // This may trigger infinite loops if componentWillReceiveProps calls setState.
  var instance = workInProgress.stateNode;
  if (instance && instance.__reactInternalMemoizedUnmaskedChildContext === unmaskedContext) {
    return instance.__reactInternalMemoizedMaskedChildContext;
  }

  var context = {};
  for (var key in contextTypes) {
    context[key] = unmaskedContext[key];
  }

  {
    var name = getComponentName(workInProgress) || 'Unknown';
    checkPropTypes_1(contextTypes, context, 'context', name, ReactDebugCurrentFiber.getCurrentFiberStackAddendum);
  }

  // Cache unmasked context so we can avoid recreating masked context unless necessary.
  // Context is created before the class component is instantiated so check for instance.
  if (instance) {
    cacheContext(workInProgress, unmaskedContext, context);
  }

  return context;
}

function hasContextChanged() {
  return didPerformWorkStackCursor.current;
}

function isContextConsumer(fiber) {
  return fiber.tag === ClassComponent && fiber.type.contextTypes != null;
}

function isContextProvider(fiber) {
  return fiber.tag === ClassComponent && fiber.type.childContextTypes != null;
}

function popContextProvider(fiber) {
  if (!isContextProvider(fiber)) {
    return;
  }

  pop(didPerformWorkStackCursor, fiber);
  pop(contextStackCursor, fiber);
}

function popTopLevelContextObject(fiber) {
  pop(didPerformWorkStackCursor, fiber);
  pop(contextStackCursor, fiber);
}

function pushTopLevelContextObject(fiber, context, didChange) {
  !(contextStackCursor.current === emptyObject_1) ? invariant_1(false, 'Unexpected context found on stack. This error is likely caused by a bug in React. Please file an issue.') : void 0;

  push(contextStackCursor, context, fiber);
  push(didPerformWorkStackCursor, didChange, fiber);
}

function processChildContext(fiber, parentContext) {
  var instance = fiber.stateNode;
  var childContextTypes = fiber.type.childContextTypes;

  // TODO (bvaughn) Replace this behavior with an invariant() in the future.
  // It has only been added in Fiber to match the (unintentional) behavior in Stack.
  if (typeof instance.getChildContext !== 'function') {
    {
      var componentName = getComponentName(fiber) || 'Unknown';

      if (!warnedAboutMissingGetChildContext[componentName]) {
        warnedAboutMissingGetChildContext[componentName] = true;
        warning_1(false, '%s.childContextTypes is specified but there is no getChildContext() method ' + 'on the instance. You can either define getChildContext() on %s or remove ' + 'childContextTypes from it.', componentName, componentName);
      }
    }
    return parentContext;
  }

  var childContext = void 0;
  {
    ReactDebugCurrentFiber.setCurrentPhase('getChildContext');
  }
  startPhaseTimer(fiber, 'getChildContext');
  childContext = instance.getChildContext();
  stopPhaseTimer();
  {
    ReactDebugCurrentFiber.setCurrentPhase(null);
  }
  for (var contextKey in childContext) {
    !(contextKey in childContextTypes) ? invariant_1(false, '%s.getChildContext(): key "%s" is not defined in childContextTypes.', getComponentName(fiber) || 'Unknown', contextKey) : void 0;
  }
  {
    var name = getComponentName(fiber) || 'Unknown';
    checkPropTypes_1(childContextTypes, childContext, 'child context', name,
    // In practice, there is one case in which we won't get a stack. It's when
    // somebody calls unstable_renderSubtreeIntoContainer() and we process
    // context from the parent component instance. The stack will be missing
    // because it's outside of the reconciliation, and so the pointer has not
    // been set. This is rare and doesn't matter. We'll also remove that API.
    ReactDebugCurrentFiber.getCurrentFiberStackAddendum);
  }

  return _assign({}, parentContext, childContext);
}

function pushContextProvider(workInProgress) {
  if (!isContextProvider(workInProgress)) {
    return false;
  }

  var instance = workInProgress.stateNode;
  // We push the context as early as possible to ensure stack integrity.
  // If the instance does not exist yet, we will push null at first,
  // and replace it on the stack later when invalidating the context.
  var memoizedMergedChildContext = instance && instance.__reactInternalMemoizedMergedChildContext || emptyObject_1;

  // Remember the parent context so we can merge with it later.
  // Inherit the parent's did-perform-work value to avoid inadvertently blocking updates.
  previousContext = contextStackCursor.current;
  push(contextStackCursor, memoizedMergedChildContext, workInProgress);
  push(didPerformWorkStackCursor, didPerformWorkStackCursor.current, workInProgress);

  return true;
}

function invalidateContextProvider(workInProgress, didChange) {
  var instance = workInProgress.stateNode;
  !instance ? invariant_1(false, 'Expected to have an instance by this point. This error is likely caused by a bug in React. Please file an issue.') : void 0;

  if (didChange) {
    // Merge parent and own context.
    // Skip this if we're not updating due to sCU.
    // This avoids unnecessarily recomputing memoized values.
    var mergedContext = processChildContext(workInProgress, previousContext);
    instance.__reactInternalMemoizedMergedChildContext = mergedContext;

    // Replace the old (or empty) context with the new one.
    // It is important to unwind the context in the reverse order.
    pop(didPerformWorkStackCursor, workInProgress);
    pop(contextStackCursor, workInProgress);
    // Now push the new context and mark that it has changed.
    push(contextStackCursor, mergedContext, workInProgress);
    push(didPerformWorkStackCursor, didChange, workInProgress);
  } else {
    pop(