WordPress/wp-includes/js/dist/vendor/react.js
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/** @license React v16.8.4
* react.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() :
typeof define === 'function' && define.amd ? define(factory) :
(global.React = factory());
}(this, (function () { 'use strict';
// TODO: this is special because it gets imported during build.
var ReactVersion = '16.8.4';
// 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;
}
/*
object-assign
(c) Sindre Sorhus
@license MIT
*/
/* eslint-disable no-unused-vars */
var getOwnPropertySymbols = Object.getOwnPropertySymbols;
var hasOwnProperty = Object.prototype.hasOwnProperty;
var propIsEnumerable = Object.prototype.propertyIsEnumerable;
function toObject(val) {
if (val === null || val === undefined) {
throw new TypeError('Object.assign cannot be called with null or undefined');
}
return Object(val);
}
function shouldUseNative() {
try {
if (!Object.assign) {
return false;
}
// Detect buggy property enumeration order in older V8 versions.
// https://bugs.chromium.org/p/v8/issues/detail?id=4118
var test1 = new String('abc'); // eslint-disable-line no-new-wrappers
test1[5] = 'de';
if (Object.getOwnPropertyNames(test1)[0] === '5') {
return false;
}
// https://bugs.chromium.org/p/v8/issues/detail?id=3056
var test2 = {};
for (var i = 0; i < 10; i++) {
test2['_' + String.fromCharCode(i)] = i;
}
var order2 = Object.getOwnPropertyNames(test2).map(function (n) {
return test2[n];
});
if (order2.join('') !== '0123456789') {
return false;
}
// https://bugs.chromium.org/p/v8/issues/detail?id=3056
var test3 = {};
'abcdefghijklmnopqrst'.split('').forEach(function (letter) {
test3[letter] = letter;
});
if (Object.keys(Object.assign({}, test3)).join('') !==
'abcdefghijklmnopqrst') {
return false;
}
return true;
} catch (err) {
// We don't expect any of the above to throw, but better to be safe.
return false;
}
}
var objectAssign = shouldUseNative() ? Object.assign : function (target, source) {
var from;
var to = toObject(target);
var symbols;
for (var s = 1; s < arguments.length; s++) {
from = Object(arguments[s]);
for (var key in from) {
if (hasOwnProperty.call(from, key)) {
to[key] = from[key];
}
}
if (getOwnPropertySymbols) {
symbols = getOwnPropertySymbols(from);
for (var i = 0; i < symbols.length; i++) {
if (propIsEnumerable.call(from, symbols[i])) {
to[symbols[i]] = from[symbols[i]];
}
}
}
}
return to;
};
/**
* Use invariant() to assert state which your program assumes to be true.
*
* Provide sprintf-style format (only %s is supported) and arguments
* to provide information about what broke and what you were
* expecting.
*
* The invariant message will be stripped in production, but the invariant
* will remain to ensure logic does not differ in production.
*/
var validateFormat = function () {};
{
validateFormat = function (format) {
if (format === undefined) {
throw new Error('invariant requires an error message argument');
}
};
}
function invariant(condition, format, a, b, c, d, e, f) {
validateFormat(format);
if (!condition) {
var error = void 0;
if (format === undefined) {
error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.');
} else {
var args = [a, b, c, d, e, f];
var argIndex = 0;
error = new Error(format.replace(/%s/g, function () {
return args[argIndex++];
}));
error.name = 'Invariant Violation';
}
error.framesToPop = 1; // we don't care about invariant's own frame
throw error;
}
}
// Relying on the `invariant()` implementation lets us
// preserve the format and params in the www builds.
/**
* Forked from fbjs/warning:
* https://github.com/facebook/fbjs/blob/e66ba20ad5be433eb54423f2b097d829324d9de6/packages/fbjs/src/__forks__/warning.js
*
* Only change is we use console.warn instead of console.error,
* and do nothing when 'console' is not supported.
* This really simplifies the code.
* ---
* 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 lowPriorityWarning = function () {};
{
var printWarning = function (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.warn(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) {}
};
lowPriorityWarning = function (condition, format) {
if (format === undefined) {
throw new Error('`lowPriorityWarning(condition, format, ...args)` requires a warning ' + 'message argument');
}
if (!condition) {
for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
args[_key2 - 2] = arguments[_key2];
}
printWarning.apply(undefined, [format].concat(args));
}
};
}
var lowPriorityWarning$1 = lowPriorityWarning;
/**
* Similar to invariant but only logs a warning if the condition is not met.
* This can be used to log issues in development environments in critical
* paths. Removing the logging code for production environments will keep the
* same logic and follow the same code paths.
*/
var warningWithoutStack = function () {};
{
warningWithoutStack = function (condition, format) {
for (var _len = arguments.length, args = Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
args[_key - 2] = arguments[_key];
}
if (format === undefined) {
throw new Error('`warningWithoutStack(condition, format, ...args)` requires a warning ' + 'message argument');
}
if (args.length > 8) {
// Check before the condition to catch violations early.
throw new Error('warningWithoutStack() currently supports at most 8 arguments.');
}
if (condition) {
return;
}
if (typeof console !== 'undefined') {
var 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;
var didWarnStateUpdateForUnmountedComponent = {};
function warnNoop(publicInstance, callerName) {
{
var _constructor = publicInstance.constructor;
var componentName = _constructor && (_constructor.displayName || _constructor.name) || 'ReactClass';
var warningKey = componentName + '.' + callerName;
if (didWarnStateUpdateForUnmountedComponent[warningKey]) {
return;
}
warningWithoutStack$1(false, "Can't call %s on a component that is not yet mounted. " + 'This is a no-op, but it might indicate a bug in your application. ' + 'Instead, assign to `this.state` directly or define a `state = {};` ' + 'class property with the desired state in the %s component.', callerName, componentName);
didWarnStateUpdateForUnmountedComponent[warningKey] = true;
}
}
/**
* This is the abstract API for an update queue.
*/
var ReactNoopUpdateQueue = {
/**
* Checks whether or not this composite component is mounted.
* @param {ReactClass} publicInstance The instance we want to test.
* @return {boolean} True if mounted, false otherwise.
* @protected
* @final
*/
isMounted: function (publicInstance) {
return false;
},
/**
* Forces an update. This should only be invoked when it is known with
* certainty that we are **not** in a DOM transaction.
*
* You may want to call this when you know that some deeper aspect of the
* component's state has changed but `setState` was not called.
*
* This will not invoke `shouldComponentUpdate`, but it will invoke
* `componentWillUpdate` and `componentDidUpdate`.
*
* @param {ReactClass} publicInstance The instance that should rerender.
* @param {?function} callback Called after component is updated.
* @param {?string} callerName name of the calling function in the public API.
* @internal
*/
enqueueForceUpdate: function (publicInstance, callback, callerName) {
warnNoop(publicInstance, 'forceUpdate');
},
/**
* Replaces all of the state. Always use this or `setState` to mutate state.
* You should treat `this.state` as immutable.
*
* There is no guarantee that `this.state` will be immediately updated, so
* accessing `this.state` after calling this method may return the old value.
*
* @param {ReactClass} publicInstance The instance that should rerender.
* @param {object} completeState Next state.
* @param {?function} callback Called after component is updated.
* @param {?string} callerName name of the calling function in the public API.
* @internal
*/
enqueueReplaceState: function (publicInstance, completeState, callback, callerName) {
warnNoop(publicInstance, 'replaceState');
},
/**
* Sets a subset of the state. This only exists because _pendingState is
* internal. This provides a merging strategy that is not available to deep
* properties which is confusing. TODO: Expose pendingState or don't use it
* during the merge.
*
* @param {ReactClass} publicInstance The instance that should rerender.
* @param {object} partialState Next partial state to be merged with state.
* @param {?function} callback Called after component is updated.
* @param {?string} Name of the calling function in the public API.
* @internal
*/
enqueueSetState: function (publicInstance, partialState, callback, callerName) {
warnNoop(publicInstance, 'setState');
}
};
var emptyObject = {};
{
Object.freeze(emptyObject);
}
/**
* Base class helpers for the updating state of a component.
*/
function Component(props, context, updater) {
this.props = props;
this.context = context;
// If a component has string refs, we will assign a different object later.
this.refs = emptyObject;
// We initialize the default updater but the real one gets injected by the
// renderer.
this.updater = updater || ReactNoopUpdateQueue;
}
Component.prototype.isReactComponent = {};
/**
* Sets a subset of the state. Always use this to mutate
* state. You should treat `this.state` as immutable.
*
* There is no guarantee that `this.state` will be immediately updated, so
* accessing `this.state` after calling this method may return the old value.
*
* There is no guarantee that calls to `setState` will run synchronously,
* as they may eventually be batched together. You can provide an optional
* callback that will be executed when the call to setState is actually
* completed.
*
* When a function is provided to setState, it will be called at some point in
* the future (not synchronously). It will be called with the up to date
* component arguments (state, props, context). These values can be different
* from this.* because your function may be called after receiveProps but before
* shouldComponentUpdate, and this new state, props, and context will not yet be
* assigned to this.
*
* @param {object|function} partialState Next partial state or function to
* produce next partial state to be merged with current state.
* @param {?function} callback Called after state is updated.
* @final
* @protected
*/
Component.prototype.setState = function (partialState, callback) {
!(typeof partialState === 'object' || typeof partialState === 'function' || partialState == null) ? invariant(false, 'setState(...): takes an object of state variables to update or a function which returns an object of state variables.') : void 0;
this.updater.enqueueSetState(this, partialState, callback, 'setState');
};
/**
* Forces an update. This should only be invoked when it is known with
* certainty that we are **not** in a DOM transaction.
*
* You may want to call this when you know that some deeper aspect of the
* component's state has changed but `setState` was not called.
*
* This will not invoke `shouldComponentUpdate`, but it will invoke
* `componentWillUpdate` and `componentDidUpdate`.
*
* @param {?function} callback Called after update is complete.
* @final
* @protected
*/
Component.prototype.forceUpdate = function (callback) {
this.updater.enqueueForceUpdate(this, callback, 'forceUpdate');
};
/**
* Deprecated APIs. These APIs used to exist on classic React classes but since
* we would like to deprecate them, we're not going to move them over to this
* modern base class. Instead, we define a getter that warns if it's accessed.
*/
{
var deprecatedAPIs = {
isMounted: ['isMounted', 'Instead, make sure to clean up subscriptions and pending requests in ' + 'componentWillUnmount to prevent memory leaks.'],
replaceState: ['replaceState', 'Refactor your code to use setState instead (see ' + 'https://github.com/facebook/react/issues/3236).']
};
var defineDeprecationWarning = function (methodName, info) {
Object.defineProperty(Component.prototype, methodName, {
get: function () {
lowPriorityWarning$1(false, '%s(...) is deprecated in plain JavaScript React classes. %s', info[0], info[1]);
return undefined;
}
});
};
for (var fnName in deprecatedAPIs) {
if (deprecatedAPIs.hasOwnProperty(fnName)) {
defineDeprecationWarning(fnName, deprecatedAPIs[fnName]);
}
}
}
function ComponentDummy() {}
ComponentDummy.prototype = Component.prototype;
/**
* Convenience component with default shallow equality check for sCU.
*/
function PureComponent(props, context, updater) {
this.props = props;
this.context = context;
// If a component has string refs, we will assign a different object later.
this.refs = emptyObject;
this.updater = updater || ReactNoopUpdateQueue;
}
var pureComponentPrototype = PureComponent.prototype = new ComponentDummy();
pureComponentPrototype.constructor = PureComponent;
// Avoid an extra prototype jump for these methods.
objectAssign(pureComponentPrototype, Component.prototype);
pureComponentPrototype.isPureReactComponent = true;
// an immutable object with a single mutable value
function createRef() {
var refObject = {
current: null
};
{
Object.seal(refObject);
}
return refObject;
}
var enableSchedulerDebugging = false;
/* eslint-disable no-var */
// TODO: Use symbols?
var ImmediatePriority = 1;
var UserBlockingPriority = 2;
var NormalPriority = 3;
var LowPriority = 4;
var IdlePriority = 5;
// Max 31 bit integer. The max integer size in V8 for 32-bit systems.
// Math.pow(2, 30) - 1
// 0b111111111111111111111111111111
var maxSigned31BitInt = 1073741823;
// Times out immediately
var IMMEDIATE_PRIORITY_TIMEOUT = -1;
// Eventually times out
var USER_BLOCKING_PRIORITY = 250;
var NORMAL_PRIORITY_TIMEOUT = 5000;
var LOW_PRIORITY_TIMEOUT = 10000;
// Never times out
var IDLE_PRIORITY = maxSigned31BitInt;
// Callbacks are stored as a circular, doubly linked list.
var firstCallbackNode = null;
var currentDidTimeout = false;
// Pausing the scheduler is useful for debugging.
var isSchedulerPaused = false;
var currentPriorityLevel = NormalPriority;
var currentEventStartTime = -1;
var currentExpirationTime = -1;
// This is set when a callback is being executed, to prevent re-entrancy.
var isExecutingCallback = false;
var isHostCallbackScheduled = false;
var hasNativePerformanceNow = typeof performance === 'object' && typeof performance.now === 'function';
function ensureHostCallbackIsScheduled() {
if (isExecutingCallback) {
// Don't schedule work yet; wait until the next time we yield.
return;
}
// Schedule the host callback using the earliest expiration in the list.
var expirationTime = firstCallbackNode.expirationTime;
if (!isHostCallbackScheduled) {
isHostCallbackScheduled = true;
} else {
// Cancel the existing host callback.
cancelHostCallback();
}
requestHostCallback(flushWork, expirationTime);
}
function flushFirstCallback() {
var flushedNode = firstCallbackNode;
// Remove the node from the list before calling the callback. That way the
// list is in a consistent state even if the callback throws.
var next = firstCallbackNode.next;
if (firstCallbackNode === next) {
// This is the last callback in the list.
firstCallbackNode = null;
next = null;
} else {
var lastCallbackNode = firstCallbackNode.previous;
firstCallbackNode = lastCallbackNode.next = next;
next.previous = lastCallbackNode;
}
flushedNode.next = flushedNode.previous = null;
// Now it's safe to call the callback.
var callback = flushedNode.callback;
var expirationTime = flushedNode.expirationTime;
var priorityLevel = flushedNode.priorityLevel;
var previousPriorityLevel = currentPriorityLevel;
var previousExpirationTime = currentExpirationTime;
currentPriorityLevel = priorityLevel;
currentExpirationTime = expirationTime;
var continuationCallback;
try {
continuationCallback = callback();
} finally {
currentPriorityLevel = previousPriorityLevel;
currentExpirationTime = previousExpirationTime;
}
// A callback may return a continuation. The continuation should be scheduled
// with the same priority and expiration as the just-finished callback.
if (typeof continuationCallback === 'function') {
var continuationNode = {
callback: continuationCallback,
priorityLevel: priorityLevel,
expirationTime: expirationTime,
next: null,
previous: null
};
// Insert the new callback into the list, sorted by its expiration. This is
// almost the same as the code in `scheduleCallback`, except the callback
// is inserted into the list *before* callbacks of equal expiration instead
// of after.
if (firstCallbackNode === null) {
// This is the first callback in the list.
firstCallbackNode = continuationNode.next = continuationNode.previous = continuationNode;
} else {
var nextAfterContinuation = null;
var node = firstCallbackNode;
do {
if (node.expirationTime >= expirationTime) {
// This callback expires at or after the continuation. We will insert
// the continuation *before* this callback.
nextAfterContinuation = node;
break;
}
node = node.next;
} while (node !== firstCallbackNode);
if (nextAfterContinuation === null) {
// No equal or lower priority callback was found, which means the new
// callback is the lowest priority callback in the list.
nextAfterContinuation = firstCallbackNode;
} else if (nextAfterContinuation === firstCallbackNode) {
// The new callback is the highest priority callback in the list.
firstCallbackNode = continuationNode;
ensureHostCallbackIsScheduled();
}
var previous = nextAfterContinuation.previous;
previous.next = nextAfterContinuation.previous = continuationNode;
continuationNode.next = nextAfterContinuation;
continuationNode.previous = previous;
}
}
}
function flushImmediateWork() {
if (
// Confirm we've exited the outer most event handler
currentEventStartTime === -1 && firstCallbackNode !== null && firstCallbackNode.priorityLevel === ImmediatePriority) {
isExecutingCallback = true;
try {
do {
flushFirstCallback();
} while (
// Keep flushing until there are no more immediate callbacks
firstCallbackNode !== null && firstCallbackNode.priorityLevel === ImmediatePriority);
} finally {
isExecutingCallback = false;
if (firstCallbackNode !== null) {
// There's still work remaining. Request another callback.
ensureHostCallbackIsScheduled();
} else {
isHostCallbackScheduled = false;
}
}
}
}
function flushWork(didTimeout) {
// Exit right away if we're currently paused
if (enableSchedulerDebugging && isSchedulerPaused) {
return;
}
isExecutingCallback = true;
var previousDidTimeout = currentDidTimeout;
currentDidTimeout = didTimeout;
try {
if (didTimeout) {
// Flush all the expired callbacks without yielding.
while (firstCallbackNode !== null && !(enableSchedulerDebugging && isSchedulerPaused)) {
// TODO Wrap in feature flag
// Read the current time. Flush all the callbacks that expire at or
// earlier than that time. Then read the current time again and repeat.
// This optimizes for as few performance.now calls as possible.
var currentTime = getCurrentTime();
if (firstCallbackNode.expirationTime <= currentTime) {
do {
flushFirstCallback();
} while (firstCallbackNode !== null && firstCallbackNode.expirationTime <= currentTime && !(enableSchedulerDebugging && isSchedulerPaused));
continue;
}
break;
}
} else {
// Keep flushing callbacks until we run out of time in the frame.
if (firstCallbackNode !== null) {
do {
if (enableSchedulerDebugging && isSchedulerPaused) {
break;
}
flushFirstCallback();
} while (firstCallbackNode !== null && !shouldYieldToHost());
}
}
} finally {
isExecutingCallback = false;
currentDidTimeout = previousDidTimeout;
if (firstCallbackNode !== null) {
// There's still work remaining. Request another callback.
ensureHostCallbackIsScheduled();
} else {
isHostCallbackScheduled = false;
}
// Before exiting, flush all the immediate work that was scheduled.
flushImmediateWork();
}
}
function unstable_runWithPriority(priorityLevel, eventHandler) {
switch (priorityLevel) {
case ImmediatePriority:
case UserBlockingPriority:
case NormalPriority:
case LowPriority:
case IdlePriority:
break;
default:
priorityLevel = NormalPriority;
}
var previousPriorityLevel = currentPriorityLevel;
var previousEventStartTime = currentEventStartTime;
currentPriorityLevel = priorityLevel;
currentEventStartTime = getCurrentTime();
try {
return eventHandler();
} finally {
currentPriorityLevel = previousPriorityLevel;
currentEventStartTime = previousEventStartTime;
// Before exiting, flush all the immediate work that was scheduled.
flushImmediateWork();
}
}
function unstable_next(eventHandler) {
var priorityLevel = void 0;
switch (currentPriorityLevel) {
case ImmediatePriority:
case UserBlockingPriority:
case NormalPriority:
// Shift down to normal priority
priorityLevel = NormalPriority;
break;
default:
// Anything lower than normal priority should remain at the current level.
priorityLevel = currentPriorityLevel;
break;
}
var previousPriorityLevel = currentPriorityLevel;
var previousEventStartTime = currentEventStartTime;
currentPriorityLevel = priorityLevel;
currentEventStartTime = getCurrentTime();
try {
return eventHandler();
} finally {
currentPriorityLevel = previousPriorityLevel;
currentEventStartTime = previousEventStartTime;
// Before exiting, flush all the immediate work that was scheduled.
flushImmediateWork();
}
}
function unstable_wrapCallback(callback) {
var parentPriorityLevel = currentPriorityLevel;
return function () {
// This is a fork of runWithPriority, inlined for performance.
var previousPriorityLevel = currentPriorityLevel;
var previousEventStartTime = currentEventStartTime;
currentPriorityLevel = parentPriorityLevel;
currentEventStartTime = getCurrentTime();
try {
return callback.apply(this, arguments);
} finally {
currentPriorityLevel = previousPriorityLevel;
currentEventStartTime = previousEventStartTime;
flushImmediateWork();
}
};
}
function unstable_scheduleCallback(callback, deprecated_options) {
var startTime = currentEventStartTime !== -1 ? currentEventStartTime : getCurrentTime();
var expirationTime;
if (typeof deprecated_options === 'object' && deprecated_options !== null && typeof deprecated_options.timeout === 'number') {
// FIXME: Remove this branch once we lift expiration times out of React.
expirationTime = startTime + deprecated_options.timeout;
} else {
switch (currentPriorityLevel) {
case ImmediatePriority:
expirationTime = startTime + IMMEDIATE_PRIORITY_TIMEOUT;
break;
case UserBlockingPriority:
expirationTime = startTime + USER_BLOCKING_PRIORITY;
break;
case IdlePriority:
expirationTime = startTime + IDLE_PRIORITY;
break;
case LowPriority:
expirationTime = startTime + LOW_PRIORITY_TIMEOUT;
break;
case NormalPriority:
default:
expirationTime = startTime + NORMAL_PRIORITY_TIMEOUT;
}
}
var newNode = {
callback: callback,
priorityLevel: currentPriorityLevel,
expirationTime: expirationTime,
next: null,
previous: null
};
// Insert the new callback into the list, ordered first by expiration, then
// by insertion. So the new callback is inserted any other callback with
// equal expiration.
if (firstCallbackNode === null) {
// This is the first callback in the list.
firstCallbackNode = newNode.next = newNode.previous = newNode;
ensureHostCallbackIsScheduled();
} else {
var next = null;
var node = firstCallbackNode;
do {
if (node.expirationTime > expirationTime) {
// The new callback expires before this one.
next = node;
break;
}
node = node.next;
} while (node !== firstCallbackNode);
if (next === null) {
// No callback with a later expiration was found, which means the new
// callback has the latest expiration in the list.
next = firstCallbackNode;
} else if (next === firstCallbackNode) {
// The new callback has the earliest expiration in the entire list.
firstCallbackNode = newNode;
ensureHostCallbackIsScheduled();
}
var previous = next.previous;
previous.next = next.previous = newNode;
newNode.next = next;
newNode.previous = previous;
}
return newNode;
}
function unstable_pauseExecution() {
isSchedulerPaused = true;
}
function unstable_continueExecution() {
isSchedulerPaused = false;
if (firstCallbackNode !== null) {
ensureHostCallbackIsScheduled();
}
}
function unstable_getFirstCallbackNode() {
return firstCallbackNode;
}
function unstable_cancelCallback(callbackNode) {
var next = callbackNode.next;
if (next === null) {
// Already cancelled.
return;
}
if (next === callbackNode) {
// This is the only scheduled callback. Clear the list.
firstCallbackNode = null;
} else {
// Remove the callback from its position in the list.
if (callbackNode === firstCallbackNode) {
firstCallbackNode = next;
}
var previous = callbackNode.previous;
previous.next = next;
next.previous = previous;
}
callbackNode.next = callbackNode.previous = null;
}
function unstable_getCurrentPriorityLevel() {
return currentPriorityLevel;
}
function unstable_shouldYield() {
return !currentDidTimeout && (firstCallbackNode !== null && firstCallbackNode.expirationTime < currentExpirationTime || shouldYieldToHost());
}
// The remaining code is essentially a polyfill for requestIdleCallback. It
// works by scheduling a requestAnimationFrame, storing the time for the start
// of the frame, then scheduling a postMessage which gets scheduled after paint.
// Within the postMessage handler do as much work as possible until time + frame
// rate. By separating the idle call into a separate event tick we ensure that
// layout, paint and other browser work is counted against the available time.
// The frame rate is dynamically adjusted.
// We capture a local reference to any global, in case it gets polyfilled after
// this module is initially evaluated. We want to be using a
// consistent implementation.
var localDate = Date;
// This initialization code may run even on server environments if a component
// just imports ReactDOM (e.g. for findDOMNode). Some environments might not
// have setTimeout or clearTimeout. However, we always expect them to be defined
// on the client. https://github.com/facebook/react/pull/13088
var localSetTimeout = typeof setTimeout === 'function' ? setTimeout : undefined;
var localClearTimeout = typeof clearTimeout === 'function' ? clearTimeout : undefined;
// We don't expect either of these to necessarily be defined, but we will error
// later if they are missing on the client.
var localRequestAnimationFrame = typeof requestAnimationFrame === 'function' ? requestAnimationFrame : undefined;
var localCancelAnimationFrame = typeof cancelAnimationFrame === 'function' ? cancelAnimationFrame : undefined;
var getCurrentTime;
// requestAnimationFrame does not run when the tab is in the background. If
// we're backgrounded we prefer for that work to happen so that the page
// continues to load in the background. So we also schedule a 'setTimeout' as
// a fallback.
// TODO: Need a better heuristic for backgrounded work.
var ANIMATION_FRAME_TIMEOUT = 100;
var rAFID;
var rAFTimeoutID;
var requestAnimationFrameWithTimeout = function (callback) {
// schedule rAF and also a setTimeout
rAFID = localRequestAnimationFrame(function (timestamp) {
// cancel the setTimeout
localClearTimeout(rAFTimeoutID);
callback(timestamp);
});
rAFTimeoutID = localSetTimeout(function () {
// cancel the requestAnimationFrame
localCancelAnimationFrame(rAFID);
callback(getCurrentTime());
}, ANIMATION_FRAME_TIMEOUT);
};
if (hasNativePerformanceNow) {
var Performance = performance;
getCurrentTime = function () {
return Performance.now();
};
} else {
getCurrentTime = function () {
return localDate.now();
};
}
var requestHostCallback;
var cancelHostCallback;
var shouldYieldToHost;
var globalValue = null;
if (typeof window !== 'undefined') {
globalValue = window;
} else if (typeof global !== 'undefined') {
globalValue = global;
}
if (globalValue && globalValue._schedMock) {
// Dynamic injection, only for testing purposes.
var globalImpl = globalValue._schedMock;
requestHostCallback = globalImpl[0];
cancelHostCallback = globalImpl[1];
shouldYieldToHost = globalImpl[2];
getCurrentTime = globalImpl[3];
} else if (
// If Scheduler runs in a non-DOM environment, it falls back to a naive
// implementation using setTimeout.
typeof window === 'undefined' ||
// Check if MessageChannel is supported, too.
typeof MessageChannel !== 'function') {
// If this accidentally gets imported in a non-browser environment, e.g. JavaScriptCore,
// fallback to a naive implementation.
var _callback = null;
var _flushCallback = function (didTimeout) {
if (_callback !== null) {
try {
_callback(didTimeout);
} finally {
_callback = null;
}
}
};
requestHostCallback = function (cb, ms) {
if (_callback !== null) {
// Protect against re-entrancy.
setTimeout(requestHostCallback, 0, cb);
} else {
_callback = cb;
setTimeout(_flushCallback, 0, false);
}
};
cancelHostCallback = function () {
_callback = null;
};
shouldYieldToHost = function () {
return false;
};
} else {
if (typeof console !== 'undefined') {
// TODO: Remove fb.me link
if (typeof localRequestAnimationFrame !== 'function') {
console.error("This browser doesn't support requestAnimationFrame. " + 'Make sure that you load a ' + 'polyfill in older browsers. https://fb.me/react-polyfills');
}
if (typeof localCancelAnimationFrame !== 'function') {
console.error("This browser doesn't support cancelAnimationFrame. " + 'Make sure that you load a ' + 'polyfill in older browsers. https://fb.me/react-polyfills');
}
}
var scheduledHostCallback = null;
var isMessageEventScheduled = false;
var timeoutTime = -1;
var isAnimationFrameScheduled = false;
var isFlushingHostCallback = false;
var frameDeadline = 0;
// We start out assuming that we run at 30fps but then the heuristic tracking
// will adjust this value to a faster fps if we get more frequent animation
// frames.
var previousFrameTime = 33;
var activeFrameTime = 33;
shouldYieldToHost = function () {
return frameDeadline <= getCurrentTime();
};
// We use the postMessage trick to defer idle work until after the repaint.
var channel = new MessageChannel();
var port = channel.port2;
channel.port1.onmessage = function (event) {
isMessageEventScheduled = false;
var prevScheduledCallback = scheduledHostCallback;
var prevTimeoutTime = timeoutTime;
scheduledHostCallback = null;
timeoutTime = -1;
var currentTime = getCurrentTime();
var didTimeout = false;
if (frameDeadline - currentTime <= 0) {
// There's no time left in this idle period. Check if the callback has
// a timeout and whether it's been exceeded.
if (prevTimeoutTime !== -1 && prevTimeoutTime <= currentTime) {
// Exceeded the timeout. Invoke the callback even though there's no
// time left.
didTimeout = true;
} else {
// No timeout.
if (!isAnimationFrameScheduled) {
// Schedule another animation callback so we retry later.
isAnimationFrameScheduled = true;
requestAnimationFrameWithTimeout(animationTick);
}
// Exit without invoking the callback.
scheduledHostCallback = prevScheduledCallback;
timeoutTime = prevTimeoutTime;
return;
}
}
if (prevScheduledCallback !== null) {
isFlushingHostCallback = true;
try {
prevScheduledCallback(didTimeout);
} finally {
isFlushingHostCallback = false;
}
}
};
var animationTick = function (rafTime) {
if (scheduledHostCallback !== null) {
// Eagerly schedule the next animation callback at the beginning of the
// frame. If the scheduler queue is not empty at the end of the frame, it
// will continue flushing inside that callback. If the queue *is* empty,
// then it will exit immediately. Posting the callback at the start of the
// frame ensures it's fired within the earliest possible frame. If we
// waited until the end of the frame to post the callback, we risk the
// browser skipping a frame and not firing the callback until the frame
// after that.
requestAnimationFrameWithTimeout(animationTick);
} else {
// No pending work. Exit.
isAnimationFrameScheduled = false;
return;
}
var nextFrameTime = rafTime - frameDeadline + activeFrameTime;
if (nextFrameTime < activeFrameTime && previousFrameTime < activeFrameTime) {
if (nextFrameTime < 8) {
// Defensive coding. We don't support higher frame rates than 120hz.
// If the calculated frame time gets lower than 8, it is probably a bug.
nextFrameTime = 8;
}
// If one frame goes long, then the next one can be short to catch up.
// If two frames are short in a row, then that's an indication that we
// actually have a higher frame rate than what we're currently optimizing.
// We adjust our heuristic dynamically accordingly. For example, if we're
// running on 120hz display or 90hz VR display.
// Take the max of the two in case one of them was an anomaly due to
// missed frame deadlines.
activeFrameTime = nextFrameTime < previousFrameTime ? previousFrameTime : nextFrameTime;
} else {
previousFrameTime = nextFrameTime;
}
frameDeadline = rafTime + activeFrameTime;
if (!isMessageEventScheduled) {
isMessageEventScheduled = true;
port.postMessage(undefined);
}
};
requestHostCallback = function (callback, absoluteTimeout) {
scheduledHostCallback = callback;
timeoutTime = absoluteTimeout;
if (isFlushingHostCallback || absoluteTimeout < 0) {
// Don't wait for the next frame. Continue working ASAP, in a new event.
port.postMessage(undefined);
} else if (!isAnimationFrameScheduled) {
// If rAF didn't already schedule one, we need to schedule a frame.
// TODO: If this rAF doesn't materialize because the browser throttles, we
// might want to still have setTimeout trigger rIC as a backup to ensure
// that we keep performing work.
isAnimationFrameScheduled = true;
requestAnimationFrameWithTimeout(animationTick);
}
};
cancelHostCallback = function () {
scheduledHostCallback = null;
isMessageEventScheduled = false;
timeoutTime = -1;
};
}
// Helps identify side effects in begin-phase lifecycle hooks and setState reducers:
// In some cases, StrictMode should also double-render lifecycles.
// This can be confusing for tests though,
// And it can be bad for performance in production.
// This feature flag can be used to control the behavior:
// To preserve the "Pause on caught exceptions" behavior of the debugger, we
// replay the begin phase of a failed component inside invokeGuardedCallback.
// Warn about deprecated, async-unsafe lifecycles; relates to RFC #6:
// Gather advanced timing metrics for Profiler subtrees.
// Trace which interactions trigger each commit.
var enableSchedulerTracing = true;
// Only used in www builds.
// TODO: true? Here it might just be false.
// Only used in www builds.
// Only used in www builds.
// React Fire: prevent the value and checked attributes from syncing
// with their related DOM properties
// These APIs will no longer be "unstable" in the upcoming 16.7 release,
// Control this behavior with a flag to support 16.6 minor releases in the meanwhile.
var enableStableConcurrentModeAPIs = false;
var DEFAULT_THREAD_ID = 0;
// Counters used to generate unique IDs.
var interactionIDCounter = 0;
var threadIDCounter = 0;
// Set of currently traced interactions.
// Interactions "stack"
// Meaning that newly traced interactions are appended to the previously active set.
// When an interaction goes out of scope, the previous set (if any) is restored.
var interactionsRef = null;
// Listener(s) to notify when interactions begin and end.
var subscriberRef = null;
if (enableSchedulerTracing) {
interactionsRef = {
current: new Set()
};
subscriberRef = {
current: null
};
}
function unstable_clear(callback) {
if (!enableSchedulerTracing) {
return callback();
}
var prevInteractions = interactionsRef.current;
interactionsRef.current = new Set();
try {
return callback();
} finally {
interactionsRef.current = prevInteractions;
}
}
function unstable_getCurrent() {
if (!enableSchedulerTracing) {
return null;
} else {
return interactionsRef.current;
}
}
function unstable_getThreadID() {
return ++threadIDCounter;
}
function unstable_trace(name, timestamp, callback) {
var threadID = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : DEFAULT_THREAD_ID;
if (!enableSchedulerTracing) {
return callback();
}
var interaction = {
__count: 1,
id: interactionIDCounter++,
name: name,
timestamp: timestamp
};
var prevInteractions = interactionsRef.current;
// Traced interactions should stack/accumulate.
// To do that, clone the current interactions.
// The previous set will be restored upon completion.
var interactions = new Set(prevInteractions);
interactions.add(interaction);
interactionsRef.current = interactions;
var subscriber = subscriberRef.current;
var returnValue = void 0;
try {
if (subscriber !== null) {
subscriber.onInteractionTraced(interaction);
}
} finally {
try {
if (subscriber !== null) {
subscriber.onWorkStarted(interactions, threadID);
}
} finally {
try {
returnValue = callback();
} finally {
interactionsRef.current = prevInteractions;
try {
if (subscriber !== null) {
subscriber.onWorkStopped(interactions, threadID);
}
} finally {
interaction.__count--;
// If no async work was scheduled for this interaction,
// Notify subscribers that it's completed.
if (subscriber !== null && interaction.__count === 0) {
subscriber.onInteractionScheduledWorkCompleted(interaction);
}
}
}
}
}
return returnValue;
}
function unstable_wrap(callback) {
var threadID = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : DEFAULT_THREAD_ID;
if (!enableSchedulerTracing) {
return callback;
}
var wrappedInteractions = interactionsRef.current;
var subscriber = subscriberRef.current;
if (subscriber !== null) {
subscriber.onWorkScheduled(wrappedInteractions, threadID);
}
// Update the pending async work count for the current interactions.
// Update after calling subscribers in case of error.
wrappedInteractions.forEach(function (interaction) {
interaction.__count++;
});
var hasRun = false;
function wrapped() {
var prevInteractions = interactionsRef.current;
interactionsRef.current = wrappedInteractions;
subscriber = subscriberRef.current;
try {
var returnValue = void 0;
try {
if (subscriber !== null) {
subscriber.onWorkStarted(wrappedInteractions, threadID);
}
} finally {
try {
returnValue = callback.apply(undefined, arguments);
} finally {
interactionsRef.current = prevInteractions;
if (subscriber !== null) {
subscriber.onWorkStopped(wrappedInteractions, threadID);
}
}
}
return returnValue;
} finally {
if (!hasRun) {
// We only expect a wrapped function to be executed once,
// But in the event that it's executed more than once
// Only decrement the outstanding interaction counts once.
hasRun = true;
// Update pending async counts for all wrapped interactions.
// If this was the last scheduled async work for any of them,
// Mark them as completed.
wrappedInteractions.forEach(function (interaction) {
interaction.__count--;
if (subscriber !== null && interaction.__count === 0) {
subscriber.onInteractionScheduledWorkCompleted(interaction);
}
});
}
}
}
wrapped.cancel = function cancel() {
subscriber = subscriberRef.current;
try {
if (subscriber !== null) {
subscriber.onWorkCanceled(wrappedInteractions, threadID);
}
} finally {
// Update pending async counts for all wrapped interactions.
// If this was the last scheduled async work for any of them,
// Mark them as completed.
wrappedInteractions.forEach(function (interaction) {
interaction.__count--;
if (subscriber && interaction.__count === 0) {
subscriber.onInteractionScheduledWorkCompleted(interaction);
}
});
}
};
return wrapped;
}
var subscribers = null;
if (enableSchedulerTracing) {
subscribers = new Set();
}
function unstable_subscribe(subscriber) {
if (enableSchedulerTracing) {
subscribers.add(subscriber);
if (subscribers.size === 1) {
subscriberRef.current = {
onInteractionScheduledWorkCompleted: onInteractionScheduledWorkCompleted,
onInteractionTraced: onInteractionTraced,
onWorkCanceled: onWorkCanceled,
onWorkScheduled: onWorkScheduled,
onWorkStarted: onWorkStarted,
onWorkStopped: onWorkStopped
};
}
}
}
function unstable_unsubscribe(subscriber) {
if (enableSchedulerTracing) {
subscribers.delete(subscriber);
if (subscribers.size === 0) {
subscriberRef.current = null;
}
}
}
function onInteractionTraced(interaction) {
var didCatchError = false;
var caughtError = null;
subscribers.forEach(function (subscriber) {
try {
subscriber.onInteractionTraced(interaction);
} catch (error) {
if (!didCatchError) {
didCatchError = true;
caughtError = error;
}
}
});
if (didCatchError) {
throw caughtError;
}
}
function onInteractionScheduledWorkCompleted(interaction) {
var didCatchError = false;
var caughtError = null;
subscribers.forEach(function (subscriber) {
try {
subscriber.onInteractionScheduledWorkCompleted(interaction);
} catch (error) {
if (!didCatchError) {
didCatchError = true;
caughtError = error;
}
}
});
if (didCatchError) {
throw caughtError;
}
}
function onWorkScheduled(interactions, threadID) {
var didCatchError = false;
var caughtError = null;
subscribers.forEach(function (subscriber) {
try {
subscriber.onWorkScheduled(interactions, threadID);
} catch (error) {
if (!didCatchError) {
didCatchError = true;
caughtError = error;
}
}
});
if (didCatchError) {
throw caughtError;
}
}
function onWorkStarted(interactions, threadID) {
var didCatchError = false;
var caughtError = null;
subscribers.forEach(function (subscriber) {
try {
subscriber.onWorkStarted(interactions, threadID);
} catch (error) {
if (!didCatchError) {
didCatchError = true;
caughtError = error;
}
}
});
if (didCatchError) {
throw caughtError;
}
}
function onWorkStopped(interactions, threadID) {
var didCatchError = false;
var caughtError = null;
subscribers.forEach(function (subscriber) {
try {
subscriber.onWorkStopped(interactions, threadID);
} catch (error) {
if (!didCatchError) {
didCatchError = true;
caughtError = error;
}
}
});
if (didCatchError) {
throw caughtError;
}
}
function onWorkCanceled(interactions, threadID) {
var didCatchError = false;
var caughtError = null;
subscribers.forEach(function (subscriber) {
try {
subscriber.onWorkCanceled(interactions, threadID);
} catch (error) {
if (!didCatchError) {
didCatchError = true;
caughtError = error;
}
}
});
if (didCatchError) {
throw caughtError;
}
}
/**
* Keeps track of the current dispatcher.
*/
var ReactCurrentDispatcher = {
/**
* @internal
* @type {ReactComponent}
*/
current: null
};
/**
* Keeps track of the current owner.
*
* The current owner is the component who should own any components that are
* currently being constructed.
*/
var ReactCurrentOwner = {
/**
* @internal
* @type {ReactComponent}
*/
current: null
};
var BEFORE_SLASH_RE = /^(.*)[\\\/]/;
var describeComponentFrame = function (name, source, ownerName) {
var sourceInfo = '';
if (source) {
var path = source.fileName;
var fileName = path.replace(BEFORE_SLASH_RE, '');
{
// In DEV, include code for a common special case:
// prefer "folder/index.js" instead of just "index.js".
if (/^index\./.test(fileName)) {
var match = path.match(BEFORE_SLASH_RE);
if (match) {
var pathBeforeSlash = match[1];
if (pathBeforeSlash) {
var folderName = pathBeforeSlash.replace(BEFORE_SLASH_RE, '');
fileName = folderName + '/' + fileName;
}
}
}
}
sourceInfo = ' (at ' + fileName + ':' + source.lineNumber + ')';
} else if (ownerName) {
sourceInfo = ' (created by ' + ownerName + ')';
}
return '\n in ' + (name || 'Unknown') + sourceInfo;
};
var Resolved = 1;
function 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 ReactDebugCurrentFrame = {};
var currentlyValidatingElement = null;
function setCurrentlyValidatingElement(element) {
{
currentlyValidatingElement = element;
}
}
{
// Stack implementation injected by the current renderer.
ReactDebugCurrentFrame.getCurrentStack = null;
ReactDebugCurrentFrame.getStackAddendum = function () {
var stack = '';
// Add an extra top frame while an element is being validated
if (currentlyValidatingElement) {
var name = getComponentName(currentlyValidatingElement.type);
var owner = currentlyValidatingElement._owner;
stack += describeComponentFrame(name, currentlyValidatingElement._source, owner && getComponentName(owner.type));
}
// Delegate to the injected renderer-specific implementation
var impl = ReactDebugCurrentFrame.getCurrentStack;
if (impl) {
stack += impl() || '';
}
return stack;
};
}
var ReactSharedInternals = {
ReactCurrentDispatcher: ReactCurrentDispatcher,
ReactCurrentOwner: ReactCurrentOwner,
// Used by renderers to avoid bundling object-assign twice in UMD bundles:
assign: objectAssign
};
{
// Re-export the schedule API(s) for UMD bundles.
// This avoids introducing a dependency on a new UMD global in a minor update,
// Since that would be a breaking change (e.g. for all existing CodeSandboxes).
// This re-export is only required for UMD bundles;
// CJS bundles use the shared NPM package.
objectAssign(ReactSharedInternals, {
Scheduler: {
unstable_cancelCallback: unstable_cancelCallback,
unstable_shouldYield: unstable_shouldYield,
unstable_now: getCurrentTime,
unstable_scheduleCallback: unstable_scheduleCallback,
unstable_runWithPriority: unstable_runWithPriority,
unstable_next: unstable_next,
unstable_wrapCallback: unstable_wrapCallback,
unstable_getFirstCallbackNode: unstable_getFirstCallbackNode,
unstable_pauseExecution: unstable_pauseExecution,
unstable_continueExecution: unstable_continueExecution,
unstable_getCurrentPriorityLevel: unstable_getCurrentPriorityLevel,
unstable_IdlePriority: IdlePriority,
unstable_ImmediatePriority: ImmediatePriority,
unstable_LowPriority: LowPriority,
unstable_NormalPriority: NormalPriority,
unstable_UserBlockingPriority: UserBlockingPriority
},
SchedulerTracing: {
__interactionsRef: interactionsRef,
__subscriberRef: subscriberRef,
unstable_clear: unstable_clear,
unstable_getCurrent: unstable_getCurrent,
unstable_getThreadID: unstable_getThreadID,
unstable_subscribe: unstable_subscribe,
unstable_trace: unstable_trace,
unstable_unsubscribe: unstable_unsubscribe,
unstable_wrap: unstable_wrap
}
});
}
{
objectAssign(ReactSharedInternals, {
// These should not be included in production.
ReactDebugCurrentFrame: ReactDebugCurrentFrame,
// Shim for React DOM 16.0.0 which still destructured (but not used) this.
// TODO: remove in React 17.0.
ReactComponentTreeHook: {}
});
}
/**
* Similar to invariant but only logs a warning if the condition is not met.
* This can be used to log issues in development environments in critical
* paths. Removing the logging code for production environments will keep the
* same logic and follow the same code paths.
*/
var warning = warningWithoutStack$1;
{
warning = function (condition, format) {
if (condition) {
return;
}
var ReactDebugCurrentFrame = ReactSharedInternals.ReactDebugCurrentFrame;
var stack = ReactDebugCurrentFrame.getStackAddendum();
// eslint-disable-next-line react-internal/warning-and-invariant-args
for (var _len = arguments.length, args = Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
args[_key - 2] = arguments[_key];
}
warningWithoutStack$1.apply(undefined, [false, format + '%s'].concat(args, [stack]));
};
}
var warning$1 = warning;
var hasOwnProperty$1 = Object.prototype.hasOwnProperty;
var RESERVED_PROPS = {
key: true,
ref: true,
__self: true,
__source: true
};
var specialPropKeyWarningShown = void 0;
var specialPropRefWarningShown = void 0;
function hasValidRef(config) {
{
if (hasOwnProperty$1.call(config, 'ref')) {
var getter = Object.getOwnPropertyDescriptor(config, 'ref').get;
if (getter && getter.isReactWarning) {
return false;
}
}
}
return config.ref !== undefined;
}
function hasValidKey(config) {
{
if (hasOwnProperty$1.call(config, 'key')) {
var getter = Object.getOwnPropertyDescriptor(config, 'key').get;
if (getter && getter.isReactWarning) {
return false;
}
}
}
return config.key !== undefined;
}
function defineKeyPropWarningGetter(props, displayName) {
var warnAboutAccessingKey = function () {
if (!specialPropKeyWarningShown) {
specialPropKeyWarningShown = true;
warningWithoutStack$1(false, '%s: `key` is not a prop. Trying to access it will result ' + 'in `undefined` being returned. If you need to access the same ' + 'value within the child component, you should pass it as a different ' + 'prop. (https://fb.me/react-special-props)', displayName);
}
};
warnAboutAccessingKey.isReactWarning = true;
Object.defineProperty(props, 'key', {
get: warnAboutAccessingKey,
configurable: true
});
}
function defineRefPropWarningGetter(props, displayName) {
var warnAboutAccessingRef = function () {
if (!specialPropRefWarningShown) {
specialPropRefWarningShown = true;
warningWithoutStack$1(false, '%s: `ref` is not a prop. Trying to access it will result ' + 'in `undefined` being returned. If you need to access the same ' + 'value within the child component, you should pass it as a different ' + 'prop. (https://fb.me/react-special-props)', displayName);
}
};
warnAboutAccessingRef.isReactWarning = true;
Object.defineProperty(props, 'ref', {
get: warnAboutAccessingRef,
configurable: true
});
}
/**
* Factory method to create a new React element. This no longer adheres to
* the class pattern, so do not use new to call it. Also, no instanceof check
* will work. Instead test $$typeof field against Symbol.for('react.element') to check
* if something is a React Element.
*
* @param {*} type
* @param {*} key
* @param {string|object} ref
* @param {*} self A *temporary* helper to detect places where `this` is
* different from the `owner` when React.createElement is called, so that we
* can warn. We want to get rid of owner and replace string `ref`s with arrow
* functions, and as long as `this` and owner are the same, there will be no
* change in behavior.
* @param {*} source An annotation object (added by a transpiler or otherwise)
* indicating filename, line number, and/or other information.
* @param {*} owner
* @param {*} props
* @internal
*/
var ReactElement = function (type, key, ref, self, source, owner, props) {
var element = {
// This tag allows us to uniquely identify this as a React Element
$$typeof: REACT_ELEMENT_TYPE,
// Built-in properties that belong on the element
type: type,
key: key,
ref: ref,
props: props,
// Record the component responsible for creating this element.
_owner: owner
};
{
// The validation flag is currently mutative. We put it on
// an external backing store so that we can freeze the whole object.
// This can be replaced with a WeakMap once they are implemented in
// commonly used development environments.
element._store = {};
// To make comparing ReactElements easier for testing purposes, we make
// the validation flag non-enumerable (where possible, which should
// include every environment we run tests in), so the test framework
// ignores it.
Object.defineProperty(element._store, 'validated', {
configurable: false,
enumerable: false,
writable: true,
value: false
});
// self and source are DEV only properties.
Object.defineProperty(element, '_self', {
configurable: false,
enumerable: false,
writable: false,
value: self
});
// Two elements created in two different places should be considered
// equal for testing purposes and therefore we hide it from enumeration.
Object.defineProperty(element, '_source', {
configurable: false,
enumerable: false,
writable: false,
value: source
});
if (Object.freeze) {
Object.freeze(element.props);
Object.freeze(element);
}
}
return element;
};
/**
* Create and return a new ReactElement of the given type.
* See https://reactjs.org/docs/react-api.html#createelement
*/
function createElement(type, config, children) {
var propName = void 0;
// Reserved names are extracted
var props = {};
var key = null;
var ref = null;
var self = null;
var source = null;
if (config != null) {
if (hasValidRef(config)) {
ref = config.ref;
}
if (hasValidKey(config)) {
key = '' + config.key;
}
self = config.__self === undefined ? null : config.__self;
source = config.__source === undefined ? null : config.__source;
// Remaining properties are added to a new props object
for (propName in config) {
if (hasOwnProperty$1.call(config, propName) && !RESERVED_PROPS.hasOwnProperty(propName)) {
props[propName] = config[propName];
}
}
}
// Children can be more than one argument, and those are transferred onto
// the newly allocated props object.
var childrenLength = arguments.length - 2;
if (childrenLength === 1) {
props.children = children;
} else if (childrenLength > 1) {
var childArray = Array(childrenLength);
for (var i = 0; i < childrenLength; i++) {
childArray[i] = arguments[i + 2];
}
{
if (Object.freeze) {
Object.freeze(childArray);
}
}
props.children = childArray;
}
// Resolve default props
if (type && type.defaultProps) {
var defaultProps = type.defaultProps;
for (propName in defaultProps) {
if (props[propName] === undefined) {
props[propName] = defaultProps[propName];
}
}
}
{
if (key || ref) {
var displayName = typeof type === 'function' ? type.displayName || type.name || 'Unknown' : type;
if (key) {
defineKeyPropWarningGetter(props, displayName);
}
if (ref) {
defineRefPropWarningGetter(props, displayName);
}
}
}
return ReactElement(type, key, ref, self, source, ReactCurrentOwner.current, props);
}
/**
* Return a function that produces ReactElements of a given type.
* See https://reactjs.org/docs/react-api.html#createfactory
*/
function cloneAndReplaceKey(oldElement, newKey) {
var newElement = ReactElement(oldElement.type, newKey, oldElement.ref, oldElement._self, oldElement._source, oldElement._owner, oldElement.props);
return newElement;
}
/**
* Clone and return a new ReactElement using element as the starting point.
* See https://reactjs.org/docs/react-api.html#cloneelement
*/
function cloneElement(element, config, children) {
!!(element === null || element === undefined) ? invariant(false, 'React.cloneElement(...): The argument must be a React element, but you passed %s.', element) : void 0;
var propName = void 0;
// Original props are copied
var props = objectAssign({}, element.props);
// Reserved names are extracted
var key = element.key;
var ref = element.ref;
// Self is preserved since the owner is preserved.
var self = element._self;
// Source is preserved since cloneElement is unlikely to be targeted by a
// transpiler, and the original source is probably a better indicator of the
// true owner.
var source = element._source;
// Owner will be preserved, unless ref is overridden
var owner = element._owner;
if (config != null) {
if (hasValidRef(config)) {
// Silently steal the ref from the parent.
ref = config.ref;
owner = ReactCurrentOwner.current;
}
if (hasValidKey(config)) {
key = '' + config.key;
}
// Remaining properties override existing props
var defaultProps = void 0;
if (element.type && element.type.defaultProps) {
defaultProps = element.type.defaultProps;
}
for (propName in config) {
if (hasOwnProperty$1.call(config, propName) && !RESERVED_PROPS.hasOwnProperty(propName)) {
if (config[propName] === undefined && defaultProps !== undefined) {
// Resolve default props
props[propName] = defaultProps[propName];
} else {
props[propName] = config[propName];
}
}
}
}
// Children can be more than one argument, and those are transferred onto
// the newly allocated props object.
var childrenLength = arguments.length - 2;
if (childrenLength === 1) {
props.children = children;
} else if (childrenLength > 1) {
var childArray = Array(childrenLength);
for (var i = 0; i < childrenLength; i++) {
childArray[i] = arguments[i + 2];
}
props.children = childArray;
}
return ReactElement(element.type, key, ref, self, source, owner, props);
}
/**
* Verifies the object is a ReactElement.
* See https://reactjs.org/docs/react-api.html#isvalidelement
* @param {?object} object
* @return {boolean} True if `object` is a ReactElement.
* @final
*/
function isValidElement(object) {
return typeof object === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE;
}
var SEPARATOR = '.';
var SUBSEPARATOR = ':';
/**
* Escape and wrap key so it is safe to use as a reactid
*
* @param {string} key to be escaped.
* @return {string} the escaped key.
*/
function escape(key) {
var escapeRegex = /[=:]/g;
var escaperLookup = {
'=': '=0',
':': '=2'
};
var escapedString = ('' + key).replace(escapeRegex, function (match) {
return escaperLookup[match];
});
return '$' + escapedString;
}
/**
* TODO: Test that a single child and an array with one item have the same key
* pattern.
*/
var didWarnAboutMaps = false;
var userProvidedKeyEscapeRegex = /\/+/g;
function escapeUserProvidedKey(text) {
return ('' + text).replace(userProvidedKeyEscapeRegex, '$&/');
}
var POOL_SIZE = 10;
var traverseContextPool = [];
function getPooledTraverseContext(mapResult, keyPrefix, mapFunction, mapContext) {
if (traverseContextPool.length) {
var traverseContext = traverseContextPool.pop();
traverseContext.result = mapResult;
traverseContext.keyPrefix = keyPrefix;
traverseContext.func = mapFunction;
traverseContext.context = mapContext;
traverseContext.count = 0;
return traverseContext;
} else {
return {
result: mapResult,
keyPrefix: keyPrefix,
func: mapFunction,
context: mapContext,
count: 0
};
}
}
function releaseTraverseContext(traverseContext) {
traverseContext.result = null;
traverseContext.keyPrefix = null;
traverseContext.func = null;
traverseContext.context = null;
traverseContext.count = 0;
if (traverseContextPool.length < POOL_SIZE) {
traverseContextPool.push(traverseContext);
}
}
/**
* @param {?*} children Children tree container.
* @param {!string} nameSoFar Name of the key path so far.
* @param {!function} callback Callback to invoke with each child found.
* @param {?*} traverseContext Used to pass information throughout the traversal
* process.
* @return {!number} The number of children in this subtree.
*/
function traverseAllChildrenImpl(children, nameSoFar, callback, traverseContext) {
var type = typeof children;
if (type === 'undefined' || type === 'boolean') {
// All of the above are perceived as null.
children = null;
}
var invokeCallback = false;
if (children === null) {
invokeCallback = true;
} else {
switch (type) {
case 'string':
case 'number':
invokeCallback = true;
break;
case 'object':
switch (children.$$typeof) {
case REACT_ELEMENT_TYPE:
case REACT_PORTAL_TYPE:
invokeCallback = true;
}
}
}
if (invokeCallback) {
callback(traverseContext, children,
// If it's the only child, treat the name as if it was wrapped in an array
// so that it's consistent if the number of children grows.
nameSoFar === '' ? SEPARATOR + getComponentKey(children, 0) : nameSoFar);
return 1;
}
var child = void 0;
var nextName = void 0;
var subtreeCount = 0; // Count of children found in the current subtree.
var nextNamePrefix = nameSoFar === '' ? SEPARATOR : nameSoFar + SUBSEPARATOR;
if (Array.isArray(children)) {
for (var i = 0; i < children.length; i++) {
child = children[i];
nextName = nextNamePrefix + getComponentKey(child, i);
subtreeCount += traverseAllChildrenImpl(child, nextName, callback, traverseContext);
}
} else {
var iteratorFn = getIteratorFn(children);
if (typeof iteratorFn === 'function') {
{
// Warn about using Maps as children
if (iteratorFn === children.entries) {
!didWarnAboutMaps ? warning$1(false, 'Using Maps as children is unsupported and will likely yield ' + 'unexpected results. Convert it to a sequence/iterable of keyed ' + 'ReactElements instead.') : void 0;
didWarnAboutMaps = true;
}
}
var iterator = iteratorFn.call(children);
var step = void 0;
var ii = 0;
while (!(step = iterator.next()).done) {
child = step.value;
nextName = nextNamePrefix + getComponentKey(child, ii++);
subtreeCount += traverseAllChildrenImpl(child, nextName, callback, traverseContext);
}
} else if (type === 'object') {
var addendum = '';
{
addendum = ' If you meant to render a collection of children, use an array ' + 'instead.' + ReactDebugCurrentFrame.getStackAddendum();
}
var childrenString = '' + children;
invariant(false, 'Objects are not valid as a React child (found: %s).%s', childrenString === '[object Object]' ? 'object with keys {' + Object.keys(children).join(', ') + '}' : childrenString, addendum);
}
}
return subtreeCount;
}
/**
* Traverses children that are typically specified as `props.children`, but
* might also be specified through attributes:
*
* - `traverseAllChildren(this.props.children, ...)`
* - `traverseAllChildren(this.props.leftPanelChildren, ...)`
*
* The `traverseContext` is an optional argument that is passed through the
* entire traversal. It can be used to store accumulations or anything else that
* the callback might find relevant.
*
* @param {?*} children Children tree object.
* @param {!function} callback To invoke upon traversing each child.
* @param {?*} traverseContext Context for traversal.
* @return {!number} The number of children in this subtree.
*/
function traverseAllChildren(children, callback, traverseContext) {
if (children == null) {
return 0;
}
return traverseAllChildrenImpl(children, '', callback, traverseContext);
}
/**
* Generate a key string that identifies a component within a set.
*
* @param {*} component A component that could contain a manual key.
* @param {number} index Index that is used if a manual key is not provided.
* @return {string}
*/
function getComponentKey(component, index) {
// Do some typechecking here since we call this blindly. We want to ensure
// that we don't block potential future ES APIs.
if (typeof component === 'object' && component !== null && component.key != null) {
// Explicit key
return escape(component.key);
}
// Implicit key determined by the index in the set
return index.toString(36);
}
function forEachSingleChild(bookKeeping, child, name) {
var func = bookKeeping.func,
context = bookKeeping.context;
func.call(context, child, bookKeeping.count++);
}
/**
* Iterates through children that are typically specified as `props.children`.
*
* See https://reactjs.org/docs/react-api.html#reactchildrenforeach
*
* The provided forEachFunc(child, index) will be called for each
* leaf child.
*
* @param {?*} children Children tree container.
* @param {function(*, int)} forEachFunc
* @param {*} forEachContext Context for forEachContext.
*/
function forEachChildren(children, forEachFunc, forEachContext) {
if (children == null) {
return children;
}
var traverseContext = getPooledTraverseContext(null, null, forEachFunc, forEachContext);
traverseAllChildren(children, forEachSingleChild, traverseContext);
releaseTraverseContext(traverseContext);
}
function mapSingleChildIntoContext(bookKeeping, child, childKey) {
var result = bookKeeping.result,
keyPrefix = bookKeeping.keyPrefix,
func = bookKeeping.func,
context = bookKeeping.context;
var mappedChild = func.call(context, child, bookKeeping.count++);
if (Array.isArray(mappedChild)) {
mapIntoWithKeyPrefixInternal(mappedChild, result, childKey, function (c) {
return c;
});
} else if (mappedChild != null) {
if (isValidElement(mappedChild)) {
mappedChild = cloneAndReplaceKey(mappedChild,
// Keep both the (mapped) and old keys if they differ, just as
// traverseAllChildren used to do for objects as children
keyPrefix + (mappedChild.key && (!child || child.key !== mappedChild.key) ? escapeUserProvidedKey(mappedChild.key) + '/' : '') + childKey);
}
result.push(mappedChild);
}
}
function mapIntoWithKeyPrefixInternal(children, array, prefix, func, context) {
var escapedPrefix = '';
if (prefix != null) {
escapedPrefix = escapeUserProvidedKey(prefix) + '/';
}
var traverseContext = getPooledTraverseContext(array, escapedPrefix, func, context);
traverseAllChildren(children, mapSingleChildIntoContext, traverseContext);
releaseTraverseContext(traverseContext);
}
/**
* Maps children that are typically specified as `props.children`.
*
* See https://reactjs.org/docs/react-api.html#reactchildrenmap
*
* The provided mapFunction(child, key, index) will be called for each
* leaf child.
*
* @param {?*} children Children tree container.
* @param {function(*, int)} func The map function.
* @param {*} context Context for mapFunction.
* @return {object} Object containing the ordered map of results.
*/
function mapChildren(children, func, context) {
if (children == null) {
return children;
}
var result = [];
mapIntoWithKeyPrefixInternal(children, result, null, func, context);
return result;
}
/**
* Count the number of children that are typically specified as
* `props.children`.
*
* See https://reactjs.org/docs/react-api.html#reactchildrencount
*
* @param {?*} children Children tree container.
* @return {number} The number of children.
*/
function countChildren(children) {
return traverseAllChildren(children, function () {
return null;
}, null);
}
/**
* Flatten a children object (typically specified as `props.children`) and
* return an array with appropriately re-keyed children.
*
* See https://reactjs.org/docs/react-api.html#reactchildrentoarray
*/
function toArray(children) {
var result = [];
mapIntoWithKeyPrefixInternal(children, result, null, function (child) {
return child;
});
return result;
}
/**
* Returns the first child in a collection of children and verifies that there
* is only one child in the collection.
*
* See https://reactjs.org/docs/react-api.html#reactchildrenonly
*
* The current implementation of this function assumes that a single child gets
* passed without a wrapper, but the purpose of this helper function is to
* abstract away the particular structure of children.
*
* @param {?object} children Child collection structure.
* @return {ReactElement} The first and only `ReactElement` contained in the
* structure.
*/
function onlyChild(children) {
!isValidElement(children) ? invariant(false, 'React.Children.only expected to receive a single React element child.') : void 0;
return children;
}
function createContext(defaultValue, calculateChangedBits) {
if (calculateChangedBits === undefined) {
calculateChangedBits = null;
} else {
{
!(calculateChangedBits === null || typeof calculateChangedBits === 'function') ? warningWithoutStack$1(false, 'createContext: Expected the optional second argument to be a ' + 'function. Instead received: %s', calculateChangedBits) : void 0;
}
}
var context = {
$$typeof: REACT_CONTEXT_TYPE,
_calculateChangedBits: calculateChangedBits,
// As a workaround to support multiple concurrent renderers, we categorize
// some renderers as primary and others as secondary. We only expect
// there to be two concurrent renderers at most: React Native (primary) and
// Fabric (secondary); React DOM (primary) and React ART (secondary).
// Secondary renderers store their context values on separate fields.
_currentValue: defaultValue,
_currentValue2: defaultValue,
// Used to track how many concurrent renderers this context currently
// supports within in a single renderer. Such as parallel server rendering.
_threadCount: 0,
// These are circular
Provider: null,
Consumer: null
};
context.Provider = {
$$typeof: REACT_PROVIDER_TYPE,
_context: context
};
var hasWarnedAboutUsingNestedContextConsumers = false;
var hasWarnedAboutUsingConsumerProvider = false;
{
// A separate object, but proxies back to the original context object for
// backwards compatibility. It has a different $$typeof, so we can properly
// warn for the incorrect usage of Context as a Consumer.
var Consumer = {
$$typeof: REACT_CONTEXT_TYPE,
_context: context,
_calculateChangedBits: context._calculateChangedBits
};
// $FlowFixMe: Flow complains about not setting a value, which is intentional here
Object.defineProperties(Consumer, {
Provider: {
get: function () {
if (!hasWarnedAboutUsingConsumerProvider) {
hasWarnedAboutUsingConsumerProvider = true;
warning$1(false, 'Rendering <Context.Consumer.Provider> is not supported and will be removed in ' + 'a future major release. Did you mean to render <Context.Provider> instead?');
}
return context.Provider;
},
set: function (_Provider) {
context.Provider = _Provider;
}
},
_currentValue: {
get: function () {
return context._currentValue;
},
set: function (_currentValue) {
context._currentValue = _currentValue;
}
},
_currentValue2: {
get: function () {
return context._currentValue2;
},
set: function (_currentValue2) {
context._currentValue2 = _currentValue2;
}
},
_threadCount: {
get: function () {
return context._threadCount;
},
set: function (_threadCount) {
context._threadCount = _threadCount;
}
},
Consumer: {
get: function () {
if (!hasWarnedAboutUsingNestedContextConsumers) {
hasWarnedAboutUsingNestedContextConsumers = true;
warning$1(false, 'Rendering <Context.Consumer.Consumer> is not supported and will be removed in ' + 'a future major release. Did you mean to render <Context.Consumer> instead?');
}
return context.Consumer;
}
}
});
// $FlowFixMe: Flow complains about missing properties because it doesn't understand defineProperty
context.Consumer = Consumer;
}
{
context._currentRenderer = null;
context._currentRenderer2 = null;
}
return context;
}
function lazy(ctor) {
var lazyType = {
$$typeof: REACT_LAZY_TYPE,
_ctor: ctor,
// React uses these fields to store the result.
_status: -1,
_result: null
};
{
// In production, this would just set it on the object.
var defaultProps = void 0;
var propTypes = void 0;
Object.defineProperties(lazyType, {
defaultProps: {
configurable: true,
get: function () {
return defaultProps;
},
set: function (newDefaultProps) {
warning$1(false, 'React.lazy(...): It is not supported to assign `defaultProps` to ' + 'a lazy component import. Either specify them where the component ' + 'is defined, or create a wrapping component around it.');
defaultProps = newDefaultProps;
// Match production behavior more closely:
Object.defineProperty(lazyType, 'defaultProps', {
enumerable: true
});
}
},
propTypes: {
configurable: true,
get: function () {
return propTypes;
},
set: function (newPropTypes) {
warning$1(false, 'React.lazy(...): It is not supported to assign `propTypes` to ' + 'a lazy component import. Either specify them where the component ' + 'is defined, or create a wrapping component around it.');
propTypes = newPropTypes;
// Match production behavior more closely:
Object.defineProperty(lazyType, 'propTypes', {
enumerable: true
});
}
}
});
}
return lazyType;
}
function forwardRef(render) {
{
if (render != null && render.$$typeof === REACT_MEMO_TYPE) {
warningWithoutStack$1(false, 'forwardRef requires a render function but received a `memo` ' + 'component. Instead of forwardRef(memo(...)), use ' + 'memo(forwardRef(...)).');
} else if (typeof render !== 'function') {
warningWithoutStack$1(false, 'forwardRef requires a render function but was given %s.', render === null ? 'null' : typeof render);
} else {
!(
// Do not warn for 0 arguments because it could be due to usage of the 'arguments' object
render.length === 0 || render.length === 2) ? warningWithoutStack$1(false, 'forwardRef render functions accept exactly two parameters: props and ref. %s', render.length === 1 ? 'Did you forget to use the ref parameter?' : 'Any additional parameter will be undefined.') : void 0;
}
if (render != null) {
!(render.defaultProps == null && render.propTypes == null) ? warningWithoutStack$1(false, 'forwardRef render functions do not support propTypes or defaultProps. ' + 'Did you accidentally pass a React component?') : void 0;
}
}
return {
$$typeof: REACT_FORWARD_REF_TYPE,
render: render
};
}
function isValidElementType(type) {
return typeof type === 'string' || typeof type === 'function' ||
// Note: its typeof might be other than 'symbol' or 'number' if it's a polyfill.
type === REACT_FRAGMENT_TYPE || type === REACT_CONCURRENT_MODE_TYPE || type === REACT_PROFILER_TYPE || type === REACT_STRICT_MODE_TYPE || type === REACT_SUSPENSE_TYPE || typeof type === 'object' && type !== null && (type.$$typeof === REACT_LAZY_TYPE || type.$$typeof === REACT_MEMO_TYPE || type.$$typeof === REACT_PROVIDER_TYPE || type.$$typeof === REACT_CONTEXT_TYPE || type.$$typeof === REACT_FORWARD_REF_TYPE);
}
function memo(type, compare) {
{
if (!isValidElementType(type)) {
warningWithoutStack$1(false, 'memo: The first argument must be a component. Instead ' + 'received: %s', type === null ? 'null' : typeof type);
}
}
return {
$$typeof: REACT_MEMO_TYPE,
type: type,
compare: compare === undefined ? null : compare
};
}
function resolveDispatcher() {
var dispatcher = ReactCurrentDispatcher.current;
!(dispatcher !== null) ? invariant(false, 'Hooks can only be called inside the body of a function component. (https://fb.me/react-invalid-hook-call)') : void 0;
return dispatcher;
}
function useContext(Context, unstable_observedBits) {
var dispatcher = resolveDispatcher();
{
!(unstable_observedBits === undefined) ? warning$1(false, 'useContext() second argument is reserved for future ' + 'use in React. Passing it is not supported. ' + 'You passed: %s.%s', unstable_observedBits, typeof unstable_observedBits === 'number' && Array.isArray(arguments[2]) ? '\n\nDid you call array.map(useContext)? ' + 'Calling Hooks inside a loop is not supported. ' + 'Learn more at https://fb.me/rules-of-hooks' : '') : void 0;
// TODO: add a more generic warning for invalid values.
if (Context._context !== undefined) {
var realContext = Context._context;
// Don't deduplicate because this legitimately causes bugs
// and nobody should be using this in existing code.
if (realContext.Consumer === Context) {
warning$1(false, 'Calling useContext(Context.Consumer) is not supported, may cause bugs, and will be ' + 'removed in a future major release. Did you mean to call useContext(Context) instead?');
} else if (realContext.Provider === Context) {
warning$1(false, 'Calling useContext(Context.Provider) is not supported. ' + 'Did you mean to call useContext(Context) instead?');
}
}
}
return dispatcher.useContext(Context, unstable_observedBits);
}
function useState(initialState) {
var dispatcher = resolveDispatcher();
return dispatcher.useState(initialState);
}
function useReducer(reducer, initialArg, init) {
var dispatcher = resolveDispatcher();
return dispatcher.useReducer(reducer, initialArg, init);
}
function useRef(initialValue) {
var dispatcher = resolveDispatcher();
return dispatcher.useRef(initialValue);
}
function useEffect(create, inputs) {
var dispatcher = resolveDispatcher();
return dispatcher.useEffect(create, inputs);
}
function useLayoutEffect(create, inputs) {
var dispatcher = resolveDispatcher();
return dispatcher.useLayoutEffect(create, inputs);
}
function useCallback(callback, inputs) {
var dispatcher = resolveDispatcher();
return dispatcher.useCallback(callback, inputs);
}
function useMemo(create, inputs) {
var dispatcher = resolveDispatcher();
return dispatcher.useMemo(create, inputs);
}
function useImperativeHandle(ref, create, inputs) {
var dispatcher = resolveDispatcher();
return dispatcher.useImperativeHandle(ref, create, inputs);
}
function useDebugValue(value, formatterFn) {
{
var dispatcher = resolveDispatcher();
return dispatcher.useDebugValue(value, formatterFn);
}
}
/**
* 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$1 = function() {};
{
var ReactPropTypesSecret = ReactPropTypesSecret_1;
var loggedTypeFailures = {};
printWarning$1 = function(text) {
var message = 'Warning: ' + text;
if (typeof console !== 'undefined') {
console.error(message);
}
try {
// --- Welcome to debugging React ---
// This error was thrown as a convenience so that you can use this stack
// to find the callsite that caused this warning to fire.
throw new Error(message);
} catch (x) {}
};
}
/**
* 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$1(
(componentName || 'React class') + ': type specification of ' +
location + ' `' + typeSpecName + '` is invalid; the type checker ' +
'function must return `null` or an `Error` but returned a ' + typeof error + '. ' +
'You may have forgotten to pass an argument to the type checker ' +
'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' +
'shape all require an argument).'
);
}
if (error instanceof Error && !(error.message in loggedTypeFailures)) {
// Only monitor this failure once because there tends to be a lot of the
// same error.
loggedTypeFailures[error.message] = true;
var stack = getStack ? getStack() : '';
printWarning$1(
'Failed ' + location + ' type: ' + error.message + (stack != null ? stack : '')
);
}
}
}
}
}
var checkPropTypes_1 = checkPropTypes;
/**
* ReactElementValidator provides a wrapper around a element factory
* which validates the props passed to the element. This is intended to be
* used only in DEV and could be replaced by a static type checker for languages
* that support it.
*/
var propTypesMisspellWarningShown = void 0;
{
propTypesMisspellWarningShown = false;
}
function getDeclarationErrorAddendum() {
if (ReactCurrentOwner.current) {
var name = getComponentName(ReactCurrentOwner.current.type);
if (name) {
return '\n\nCheck the render method of `' + name + '`.';
}
}
return '';
}
function getSourceInfoErrorAddendum(elementProps) {
if (elementProps !== null && elementProps !== undefined && elementProps.__source !== undefined) {
var source = elementProps.__source;
var fileName = source.fileName.replace(/^.*[\\\/]/, '');
var lineNumber = source.lineNumber;
return '\n\nCheck your code at ' + fileName + ':' + lineNumber + '.';
}
return '';
}
/**
* Warn if there's no key explicitly set on dynamic arrays of children or
* object keys are not valid. This allows us to keep track of children between
* updates.
*/
var ownerHasKeyUseWarning = {};
function getCurrentComponentErrorInfo(parentType) {
var info = getDeclarationErrorAddendum();
if (!info) {
var parentName = typeof parentType === 'string' ? parentType : parentType.displayName || parentType.name;
if (parentName) {
info = '\n\nCheck the top-level render call using <' + parentName + '>.';
}
}
return info;
}
/**
* Warn if the element doesn't have an explicit key assigned to it.
* This element is in an array. The array could grow and shrink or be
* reordered. All children that haven't already been validated are required to
* have a "key" property assigned to it. Error statuses are cached so a warning
* will only be shown once.
*
* @internal
* @param {ReactElement} element Element that requires a key.
* @param {*} parentType element's parent's type.
*/
function validateExplicitKey(element, parentType) {
if (!element._store || element._store.validated || element.key != null) {
return;
}
element._store.validated = true;
var currentComponentErrorInfo = getCurrentComponentErrorInfo(parentType);
if (ownerHasKeyUseWarning[currentComponentErrorInfo]) {
return;
}
ownerHasKeyUseWarning[currentComponentErrorInfo] = true;
// Usually the current owner is the offender, but if it accepts children as a
// property, it may be the creator of the child that's responsible for
// assigning it a key.
var childOwner = '';
if (element && element._owner && element._owner !== ReactCurrentOwner.current) {
// Give the component that originally created this child.
childOwner = ' It was passed a child from ' + getComponentName(element._owner.type) + '.';
}
setCurrentlyValidatingElement(element);
{
warning$1(false, 'Each child in a list should have a unique "key" prop.' + '%s%s See https://fb.me/react-warning-keys for more information.', currentComponentErrorInfo, childOwner);
}
setCurrentlyValidatingElement(null);
}
/**
* Ensure that every element either is passed in a static location, in an
* array with an explicit keys property defined, or in an object literal
* with valid key property.
*
* @internal
* @param {ReactNode} node Statically passed child of any type.
* @param {*} parentType node's parent's type.
*/
function validateChildKeys(node, parentType) {
if (typeof node !== 'object') {
return;
}
if (Array.isArray(node)) {
for (var i = 0; i < node.length; i++) {
var child = node[i];
if (isValidElement(child)) {
validateExplicitKey(child, parentType);
}
}
} else if (isValidElement(node)) {
// This element was passed in a valid location.
if (node._store) {
node._store.validated = true;
}
} else if (node) {
var iteratorFn = getIteratorFn(node);
if (typeof iteratorFn === 'function') {
// Entry iterators used to provide implicit keys,
// but now we print a separate warning for them later.
if (iteratorFn !== node.entries) {
var iterator = iteratorFn.call(node);
var step = void 0;
while (!(step = iterator.next()).done) {
if (isValidElement(step.value)) {
validateExplicitKey(step.value, parentType);
}
}
}
}
}
}
/**
* Given an element, validate that its props follow the propTypes definition,
* provided by the type.
*
* @param {ReactElement} element
*/
function validatePropTypes(element) {
var type = element.type;
if (type === null || type === undefined || typeof type === 'string') {
return;
}
var name = getComponentName(type);
var propTypes = void 0;
if (typeof type === 'function') {
propTypes = type.propTypes;
} else if (typeof type === 'object' && (type.$$typeof === REACT_FORWARD_REF_TYPE ||
// Note: Memo only checks outer props here.
// Inner props are checked in the reconciler.
type.$$typeof === REACT_MEMO_TYPE)) {
propTypes = type.propTypes;
} else {
return;
}
if (propTypes) {
setCurrentlyValidatingElement(element);
checkPropTypes_1(propTypes, element.props, 'prop', name, ReactDebugCurrentFrame.getStackAddendum);
setCurrentlyValidatingElement(null);
} else if (type.PropTypes !== undefined && !propTypesMisspellWarningShown) {
propTypesMisspellWarningShown = true;
warningWithoutStack$1(false, 'Component %s declared `PropTypes` instead of `propTypes`. Did you misspell the property assignment?', name || 'Unknown');
}
if (typeof type.getDefaultProps === 'function') {
!type.getDefaultProps.isReactClassApproved ? warningWithoutStack$1(false, 'getDefaultProps is only used on classic React.createClass ' + 'definitions. Use a static property named `defaultProps` instead.') : void 0;
}
}
/**
* Given a fragment, validate that it can only be provided with fragment props
* @param {ReactElement} fragment
*/
function validateFragmentProps(fragment) {
setCurrentlyValidatingElement(fragment);
var keys = Object.keys(fragment.props);
for (var i = 0; i < keys.length; i++) {
var key = keys[i];
if (key !== 'children' && key !== 'key') {
warning$1(false, 'Invalid prop `%s` supplied to `React.Fragment`. ' + 'React.Fragment can only have `key` and `children` props.', key);
break;
}
}
if (fragment.ref !== null) {
warning$1(false, 'Invalid attribute `ref` supplied to `React.Fragment`.');
}
setCurrentlyValidatingElement(null);
}
function createElementWithValidation(type, props, children) {
var validType = isValidElementType(type);
// We warn in this case but don't throw. We expect the element creation to
// succeed and there will likely be errors in render.
if (!validType) {
var info = '';
if (type === undefined || typeof type === 'object' && type !== null && Object.keys(type).length === 0) {
info += ' You likely forgot to export your component from the file ' + "it's defined in, or you might have mixed up default and named imports.";
}
var sourceInfo = getSourceInfoErrorAddendum(props);
if (sourceInfo) {
info += sourceInfo;
} else {
info += getDeclarationErrorAddendum();
}
var typeString = void 0;
if (type === null) {
typeString = 'null';
} else if (Array.isArray(type)) {
typeString = 'array';
} else if (type !== undefined && type.$$typeof === REACT_ELEMENT_TYPE) {
typeString = '<' + (getComponentName(type.type) || 'Unknown') + ' />';
info = ' Did you accidentally export a JSX literal instead of a component?';
} else {
typeString = typeof type;
}
warning$1(false, 'React.createElement: type is invalid -- expected a string (for ' + 'built-in components) or a class/function (for composite ' + 'components) but got: %s.%s', typeString, info);
}
var element = createElement.apply(this, arguments);
// The result can be nullish if a mock or a custom function is used.
// TODO: Drop this when these are no longer allowed as the type argument.
if (element == null) {
return element;
}
// Skip key warning if the type isn't valid since our key validation logic
// doesn't expect a non-string/function type and can throw confusing errors.
// We don't want exception behavior to differ between dev and prod.
// (Rendering will throw with a helpful message and as soon as the type is
// fixed, the key warnings will appear.)
if (validType) {
for (var i = 2; i < arguments.length; i++) {
validateChildKeys(arguments[i], type);
}
}
if (type === REACT_FRAGMENT_TYPE) {
validateFragmentProps(element);
} else {
validatePropTypes(element);
}
return element;
}
function createFactoryWithValidation(type) {
var validatedFactory = createElementWithValidation.bind(null, type);
validatedFactory.type = type;
// Legacy hook: remove it
{
Object.defineProperty(validatedFactory, 'type', {
enumerable: false,
get: function () {
lowPriorityWarning$1(false, 'Factory.type is deprecated. Access the class directly ' + 'before passing it to createFactory.');
Object.defineProperty(this, 'type', {
value: type
});
return type;
}
});
}
return validatedFactory;
}
function cloneElementWithValidation(element, props, children) {
var newElement = cloneElement.apply(this, arguments);
for (var i = 2; i < arguments.length; i++) {
validateChildKeys(arguments[i], newElement.type);
}
validatePropTypes(newElement);
return newElement;
}
var React = {
Children: {
map: mapChildren,
forEach: forEachChildren,
count: countChildren,
toArray: toArray,
only: onlyChild
},
createRef: createRef,
Component: Component,
PureComponent: PureComponent,
createContext: createContext,
forwardRef: forwardRef,
lazy: lazy,
memo: memo,
useCallback: useCallback,
useContext: useContext,
useEffect: useEffect,
useImperativeHandle: useImperativeHandle,
useDebugValue: useDebugValue,
useLayoutEffect: useLayoutEffect,
useMemo: useMemo,
useReducer: useReducer,
useRef: useRef,
useState: useState,
Fragment: REACT_FRAGMENT_TYPE,
StrictMode: REACT_STRICT_MODE_TYPE,
Suspense: REACT_SUSPENSE_TYPE,
createElement: createElementWithValidation,
cloneElement: cloneElementWithValidation,
createFactory: createFactoryWithValidation,
isValidElement: isValidElement,
version: ReactVersion,
unstable_ConcurrentMode: REACT_CONCURRENT_MODE_TYPE,
unstable_Profiler: REACT_PROFILER_TYPE,
__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: ReactSharedInternals
};
// Note: some APIs are added with feature flags.
// Make sure that stable builds for open source
// don't modify the React object to avoid deopts.
// Also let's not expose their names in stable builds.
if (enableStableConcurrentModeAPIs) {
React.ConcurrentMode = REACT_CONCURRENT_MODE_TYPE;
React.Profiler = REACT_PROFILER_TYPE;
React.unstable_ConcurrentMode = undefined;
React.unstable_Profiler = undefined;
}
var React$2 = Object.freeze({
default: React
});
var React$3 = ( React$2 && React ) || React$2;
// TODO: decide on the top-level export form.
// This is hacky but makes it work with both Rollup and Jest.
var react = React$3.default || React$3;
return react;
})));