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react-test-renderer

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React package for snapshot testing.

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/** @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) ||