react-test-renderer
Version:
React package for snapshot testing.
1,657 lines (1,436 loc) • 484 kB
JavaScript
/** @license React v16.8.1
* react-test-renderer.development.js
*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
'use strict';
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('react')) :
typeof define === 'function' && define.amd ? define(['react'], factory) :
(global.ReactTestRenderer = factory(global.React));
}(this, (function (React) { 'use strict';
/**
* 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.
var ReactInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;
var _assign = ReactInternals.assign;
/**
* 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 argsWithFormat = args.map(function (item) {
return '' + item;
});
argsWithFormat.unshift('Warning: ' + format);
// We intentionally don't use spread (or .apply) directly because it
// breaks IE9: https://github.com/facebook/react/issues/13610
Function.prototype.apply.call(console.error, console, argsWithFormat);
}
try {
// --- Welcome to debugging React ---
// This error was thrown as a convenience so that you can use this stack
// to find the callsite that caused this warning to fire.
var argIndex = 0;
var message = 'Warning: ' + format.replace(/%s/g, function () {
return args[argIndex++];
});
throw new Error(message);
} catch (x) {}
};
}
var warningWithoutStack$1 = warningWithoutStack;
/**
* `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 ReactSharedInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;
// Prevent newer renderers from RTE when used with older react package versions.
// Current owner and dispatcher used to share the same ref,
// but PR #14548 split them out to better support the react-debug-tools package.
if (!ReactSharedInternals.hasOwnProperty('ReactCurrentDispatcher')) {
ReactSharedInternals.ReactCurrentDispatcher = {
current: null
};
}
// 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_CONCURRENT_MODE_TYPE = hasSymbol ? Symbol.for('react.concurrent_mode') : 0xeacf;
var REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for('react.forward_ref') : 0xead0;
var REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for('react.suspense') : 0xead1;
var REACT_MEMO_TYPE = hasSymbol ? Symbol.for('react.memo') : 0xead3;
var REACT_LAZY_TYPE = hasSymbol ? Symbol.for('react.lazy') : 0xead4;
var MAYBE_ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
var FAUX_ITERATOR_SYMBOL = '@@iterator';
function getIteratorFn(maybeIterable) {
if (maybeIterable === null || typeof maybeIterable !== 'object') {
return null;
}
var maybeIterator = MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL];
if (typeof maybeIterator === 'function') {
return maybeIterator;
}
return null;
}
var Pending = 0;
var Resolved = 1;
var Rejected = 2;
function refineResolvedLazyComponent(lazyComponent) {
return lazyComponent._status === Resolved ? lazyComponent._result : null;
}
function getWrappedName(outerType, innerType, wrapperName) {
var functionName = innerType.displayName || innerType.name || '';
return outerType.displayName || (functionName !== '' ? wrapperName + '(' + functionName + ')' : wrapperName);
}
function getComponentName(type) {
if (type == null) {
// Host root, text node or just invalid type.
return null;
}
{
if (typeof type.tag === 'number') {
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_CONCURRENT_MODE_TYPE:
return 'ConcurrentMode';
case REACT_FRAGMENT_TYPE:
return 'Fragment';
case REACT_PORTAL_TYPE:
return 'Portal';
case REACT_PROFILER_TYPE:
return 'Profiler';
case REACT_STRICT_MODE_TYPE:
return 'StrictMode';
case REACT_SUSPENSE_TYPE:
return 'Suspense';
}
if (typeof type === 'object') {
switch (type.$$typeof) {
case REACT_CONTEXT_TYPE:
return 'Context.Consumer';
case REACT_PROVIDER_TYPE:
return 'Context.Provider';
case REACT_FORWARD_REF_TYPE:
return getWrappedName(type, type.render, 'ForwardRef');
case REACT_MEMO_TYPE:
return getComponentName(type.type);
case REACT_LAZY_TYPE:
{
var thenable = type;
var resolvedThenable = refineResolvedLazyComponent(thenable);
if (resolvedThenable) {
return getComponentName(resolvedThenable);
}
}
}
}
return null;
}
var FunctionComponent = 0;
var ClassComponent = 1;
var IndeterminateComponent = 2; // Before we know whether it is function or class
var HostRoot = 3; // Root of a host tree. Could be nested inside another node.
var HostPortal = 4; // A subtree. Could be an entry point to a different renderer.
var HostComponent = 5;
var HostText = 6;
var Fragment = 7;
var Mode = 8;
var ContextConsumer = 9;
var ContextProvider = 10;
var ForwardRef = 11;
var Profiler = 12;
var SuspenseComponent = 13;
var MemoComponent = 14;
var SimpleMemoComponent = 15;
var LazyComponent = 16;
var IncompleteClassComponent = 17;
// Don't change these two values. They're used by React Dev Tools.
var NoEffect = /* */0;
var PerformedWork = /* */1;
// You can change the rest (and add more).
var Placement = /* */2;
var Update = /* */4;
var PlacementAndUpdate = /* */6;
var Deletion = /* */8;
var ContentReset = /* */16;
var Callback = /* */32;
var DidCapture = /* */64;
var Ref = /* */128;
var Snapshot = /* */256;
var Passive = /* */512;
// Passive & Update & Callback & Ref & Snapshot
var LifecycleEffectMask = /* */932;
// Union of all host effects
var HostEffectMask = /* */1023;
var Incomplete = /* */1024;
var ShouldCapture = /* */2048;
var ReactCurrentOwner = ReactSharedInternals.ReactCurrentOwner;
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 ? warningWithoutStack$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.type) || '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(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(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(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(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(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(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;
}
function findCurrentHostFiber(parent) {
var currentParent = findCurrentFiberUsingSlowPath(parent);
if (!currentParent) {
return null;
}
// Next we'll drill down this component to find the first HostComponent/Text.
var node = currentParent;
while (true) {
if (node.tag === HostComponent || node.tag === HostText) {
return node;
} else if (node.child) {
node.child.return = node;
node = node.child;
continue;
}
if (node === currentParent) {
return null;
}
while (!node.sibling) {
if (!node.return || node.return === currentParent) {
return null;
}
node = node.return;
}
node.sibling.return = node.return;
node = node.sibling;
}
// Flow needs the return null here, but ESLint complains about it.
// eslint-disable-next-line no-unreachable
return null;
}
/**
* 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;
// Current virtual time
var nowImplementation = function () {
return 0;
};
var scheduledCallback = null;
var yieldedValues = [];
var didStop = false;
var expectedNumberOfYields = -1;
function scheduleDeferredCallback$1(callback, options) {
scheduledCallback = callback;
var fakeCallbackId = 0;
return fakeCallbackId;
}
function cancelDeferredCallback$1(timeoutID) {
scheduledCallback = null;
}
function setNowImplementation(implementation) {
nowImplementation = implementation;
}
function shouldYield$1() {
if (expectedNumberOfYields !== -1 && yieldedValues.length >= expectedNumberOfYields) {
// We yielded at least as many values as expected. Stop rendering.
didStop = true;
return true;
}
// Keep rendering.
return false;
}
function flushAll() {
yieldedValues = [];
while (scheduledCallback !== null) {
var cb = scheduledCallback;
scheduledCallback = null;
cb();
}
var values = yieldedValues;
yieldedValues = [];
return values;
}
function flushNumberOfYields(count) {
expectedNumberOfYields = count;
didStop = false;
yieldedValues = [];
try {
while (scheduledCallback !== null && !didStop) {
var cb = scheduledCallback;
scheduledCallback = null;
cb();
}
return yieldedValues;
} finally {
expectedNumberOfYields = -1;
didStop = false;
yieldedValues = [];
}
}
function yieldValue(value) {
yieldedValues.push(value);
}
function clearYields() {
var values = yieldedValues;
yieldedValues = [];
return values;
}
// Renderers that don't support persistence
// can re-export everything from this module.
function shim() {
invariant(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;
var cloneHiddenInstance = shim;
var cloneUnhiddenInstance = shim;
var createHiddenTextInstance = shim;
// Renderers that don't support hydration
// can re-export everything from this module.
function shim$1() {
invariant(false, 'The current renderer does not support hydration. 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;
var NO_CONTEXT = {};
var UPDATE_SIGNAL = {};
{
Object.freeze(NO_CONTEXT);
Object.freeze(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) {
{
!Array.isArray(parentInstance.children) ? warning$1(false, 'An invalid container has been provided. ' + 'This may indicate that another renderer is being used in addition to the test renderer. ' + '(For example, ReactDOM.createPortal inside of a ReactTestRenderer tree.) ' + 'This is not supported.') : void 0;
}
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 NO_CONTEXT;
}
function getChildHostContext(parentHostContext, type, rootContainerInstance) {
return NO_CONTEXT;
}
function prepareForCommit(containerInfo) {
// noop
}
function resetAfterCommit(containerInfo) {
// noop
}
function createInstance(type, props, rootContainerInstance, hostContext, internalInstanceHandle) {
return {
type: type,
props: props,
isHidden: false,
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,
isHidden: false,
tag: 'TEXT'
};
}
var isPrimaryRenderer = false;
// 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$$1 = scheduleDeferredCallback$1;
var cancelDeferredCallback$$1 = cancelDeferredCallback$1;
var shouldYield$$1 = shouldYield$1;
var scheduleTimeout = setTimeout;
var cancelTimeout = clearTimeout;
var noTimeout = -1;
var schedulePassiveEffects = scheduleDeferredCallback$$1;
var cancelPassiveEffects = cancelDeferredCallback$$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;
function hideInstance(instance) {
instance.isHidden = true;
}
function hideTextInstance(textInstance) {
textInstance.isHidden = true;
}
function unhideInstance(instance, props) {
instance.isHidden = false;
}
function unhideTextInstance(textInstance, text) {
textInstance.isHidden = false;
}
/**
* 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 printWarning = function() {};
{
var ReactPropTypesSecret = ReactPropTypesSecret_1;
var loggedTypeFailures = {};
printWarning = function(text) {
var message = 'Warning: ' + text;
if (typeof console !== 'undefined') {
console.error(message);
}
try {
// --- Welcome to debugging React ---
// This error was thrown as a convenience so that you can use this stack
// to find the callsite that caused this warning to fire.
throw new Error(message);
} catch (x) {}
};
}
/**
* Assert that the values match with the type specs.
* Error messages are memorized and will only be shown once.
*
* @param {object} typeSpecs Map of name to a ReactPropType
* @param {object} values Runtime values that need to be type-checked
* @param {string} location e.g. "prop", "context", "child context"
* @param {string} componentName Name of the component for error messages.
* @param {?Function} getStack Returns the component stack.
* @private
*/
function checkPropTypes(typeSpecs, values, location, componentName, getStack) {
{
for (var typeSpecName in typeSpecs) {
if (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.
if (typeof typeSpecs[typeSpecName] !== 'function') {
var err = Error(
(componentName || 'React class') + ': ' + location + ' type `' + typeSpecName + '` is invalid; ' +
'it must be a function, usually from the `prop-types` package, but received `' + typeof typeSpecs[typeSpecName] + '`.'
);
err.name = 'Invariant Violation';
throw err;
}
error = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, ReactPropTypesSecret);
} catch (ex) {
error = ex;
}
if (error && !(error instanceof Error)) {
printWarning(
(componentName || 'React class') + ': type specification of ' +
location + ' `' + typeSpecName + '` is invalid; the type checker ' +
'function must return `null` or an `Error` but returned a ' + typeof error + '. ' +
'You may have forgotten to pass an argument to the type checker ' +
'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' +
'shape all require an argument).'
);
}
if (error instanceof Error && !(error.message in loggedTypeFailures)) {
// Only monitor this failure once because there tends to be a lot of the
// same error.
loggedTypeFailures[error.message] = true;
var stack = getStack ? getStack() : '';
printWarning(
'Failed ' + location + ' type: ' + error.message + (stack != null ? stack : '')
);
}
}
}
}
}
var checkPropTypes_1 = checkPropTypes;
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 ReactDebugCurrentFrame = ReactSharedInternals.ReactDebugCurrentFrame;
function describeFiber(fiber) {
switch (fiber.tag) {
case HostRoot:
case HostPortal:
case HostText:
case Fragment:
case ContextProvider:
case ContextConsumer:
return '';
default:
var owner = fiber._debugOwner;
var source = fiber._debugSource;
var name = getComponentName(fiber.type);
var ownerName = null;
if (owner) {
ownerName = getComponentName(owner.type);
}
return describeComponentFrame(name, source, ownerName);
}
}
function getStackByFiberInDevAndProd(workInProgress) {
var info = '';
var node = workInProgress;
do {
info += describeFiber(node);
node = node.return;
} while (node);
return info;
}
var current = null;
var phase = null;
function getCurrentFiberOwnerNameInDevOrNull() {
{
if (current === null) {
return null;
}
var owner = current._debugOwner;
if (owner !== null && typeof owner !== 'undefined') {
return getComponentName(owner.type);
}
}
return null;
}
function getCurrentFiberStackInDev() {
{
if (current === null) {
return '';
}
// Safe because if current fiber exists, we are reconciling,
// and it is guaranteed to be the work-in-progress version.
return getStackByFiberInDevAndProd(current);
}
return '';
}
function resetCurrentFiber() {
{
ReactDebugCurrentFrame.getCurrentStack = null;
current = null;
phase = null;
}
}
function setCurrentFiber(fiber) {
{
ReactDebugCurrentFrame.getCurrentStack = getCurrentFiberStackInDev;
current = fiber;
phase = null;
}
}
function setCurrentPhase(lifeCyclePhase) {
{
phase = lifeCyclePhase;
}
}
var debugRenderPhaseSideEffects = false;
var debugRenderPhaseSideEffectsForStrictMode = false;
var enableUserTimingAPI = true;
var warnAboutDeprecatedLifecycles = false;
var replayFailedUnitOfWorkWithInvokeGuardedCallback = false;
var enableProfilerTimer = false;
var enableSchedulerTracing = 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.type) || '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.type) || '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.type) || '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 = fiber.tag === SuspenseComponent ? 'Rendering was suspended' : '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.type) || '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) {
{
warningWithoutStack$1(false, 'Unexpected pop.');
}
return;
}
{
if (fiber !== fiberStack[index]) {
warningWithoutStack$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) {
warningWithoutStack$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 = {};
}
var emptyContextObject = {};
{
Object.freeze(emptyContextObject);
}
// A cursor to the current merged context object on the stack.
var contextStackCursor = createCursor(emptyContextObject);
// 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 = emptyContextObject;
function getUnmaskedContext(workInProgress, Component, didPushOwnContextIfProvider) {
if (didPushOwnContextIfProvider && isContextProvider(Component)) {
// If the fiber is a context provider itself, when we read its context
// we may 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 emptyContextObject;
}
// 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(type) || 'Unknown';
checkPropTypes_1(contextTypes, context, 'context', name, getCurrentFiberStackInDev);
}
// 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 isContextProvider(type) {
var childContextTypes = type.childContextTypes;
return childContextTypes !== null && childContextTypes !== undefined;
}
function popContext(fiber) {
pop(didPerformWorkStackCursor, fiber);
pop(contextStackCursor, fiber);
}
function popTopLevelContextObject(fiber) {
pop(didPerformWorkStackCursor, fiber);
pop(contextStackCursor, fiber);
}
function pushTopLevelContextObject(fiber, context, didChange) {
!(contextStackCursor.current === emptyContextObject) ? invariant(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, type, parentContext) {
var instance = fiber.stateNode;
var childContextTypes = 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(type) || 'Unknown';
if (!warnedAboutMissingGetChildContext[componentName]) {
warnedAboutMissingGetChildContext[componentName] = true;
warningWithoutStack$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;
{
setCurrentPhase('getChildContext');
}
startPhaseTimer(fiber, 'getChildContext');
childContext = instance.getChildContext();
stopPhaseTimer();
{
setCurrentPhase(null);
}
for (var contextKey in childContext) {
!(contextKey in childContextTypes) ? invariant(false, '%s.getChildContext(): key "%s" is not defined in childContextTypes.', getComponentName(type) ||