one
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One is a new React Framework that makes Vite serve both native and web.
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JavaScript
/**
* @license React
* 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'
if (process.env.NODE_ENV !== 'production') {
;(function () {
'use strict'
/* global __REACT_DEVTOOLS_GLOBAL_HOOK__ */
if (
typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ !== 'undefined' &&
typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStart === 'function'
) {
__REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStart(new Error())
}
var ReactVersion = '18.3.1'
// ATTENTION
// When adding new symbols to this file,
// Please consider also adding to 'react-devtools-shared/src/backend/ReactSymbols'
// The Symbol used to tag the ReactElement-like types.
var REACT_ELEMENT_TYPE = Symbol.for('react.element')
var REACT_PORTAL_TYPE = Symbol.for('react.portal')
var REACT_FRAGMENT_TYPE = Symbol.for('react.fragment')
var REACT_STRICT_MODE_TYPE = Symbol.for('react.strict_mode')
var REACT_PROFILER_TYPE = Symbol.for('react.profiler')
var REACT_PROVIDER_TYPE = Symbol.for('react.provider')
var REACT_CONTEXT_TYPE = Symbol.for('react.context')
var REACT_FORWARD_REF_TYPE = Symbol.for('react.forward_ref')
var REACT_SUSPENSE_TYPE = Symbol.for('react.suspense')
var REACT_SUSPENSE_LIST_TYPE = Symbol.for('react.suspense_list')
var REACT_MEMO_TYPE = Symbol.for('react.memo')
var REACT_LAZY_TYPE = Symbol.for('react.lazy')
var REACT_OFFSCREEN_TYPE = Symbol.for('react.offscreen')
var MAYBE_ITERATOR_SYMBOL = 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
}
/**
* Keeps track of the current dispatcher.
*/
var ReactCurrentDispatcher = {
/**
* @internal
* @type {ReactComponent}
*/
current: null,
}
/**
* Keeps track of the current batch's configuration such as how long an update
* should suspend for if it needs to.
*/
var ReactCurrentBatchConfig = {
transition: null,
}
var ReactCurrentActQueue = {
current: null,
// Used to reproduce behavior of `batchedUpdates` in legacy mode.
isBatchingLegacy: false,
didScheduleLegacyUpdate: false,
}
/**
* 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 ReactDebugCurrentFrame = {}
var currentExtraStackFrame = null
function setExtraStackFrame(stack) {
{
currentExtraStackFrame = stack
}
}
{
ReactDebugCurrentFrame.setExtraStackFrame = function (stack) {
{
currentExtraStackFrame = stack
}
} // 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 (currentExtraStackFrame) {
stack += currentExtraStackFrame
} // Delegate to the injected renderer-specific implementation
var impl = ReactDebugCurrentFrame.getCurrentStack
if (impl) {
stack += impl() || ''
}
return stack
}
}
// -----------------------------------------------------------------------------
var enableScopeAPI = false // Experimental Create Event Handle API.
var enableCacheElement = false
var enableTransitionTracing = false // No known bugs, but needs performance testing
var enableLegacyHidden = false // Enables unstable_avoidThisFallback feature in Fiber
// stuff. Intended to enable React core members to more easily debug scheduling
// issues in DEV builds.
var enableDebugTracing = false // Track which Fiber(s) schedule render work.
var ReactSharedInternals = {
ReactCurrentDispatcher: ReactCurrentDispatcher,
ReactCurrentBatchConfig: ReactCurrentBatchConfig,
ReactCurrentOwner: ReactCurrentOwner,
}
{
ReactSharedInternals.ReactDebugCurrentFrame = ReactDebugCurrentFrame
ReactSharedInternals.ReactCurrentActQueue = ReactCurrentActQueue
}
// by calls to these methods by a Babel plugin.
//
// In PROD (or in packages without access to React internals),
// they are left as they are instead.
function warn(format) {
{
{
for (
var _len = arguments.length,
args = new Array(_len > 1 ? _len - 1 : 0),
_key = 1;
_key < _len;
_key++
) {
args[_key - 1] = arguments[_key]
}
printWarning('warn', format, args)
}
}
}
function error(format) {
{
{
for (
var _len2 = arguments.length,
args = new Array(_len2 > 1 ? _len2 - 1 : 0),
_key2 = 1;
_key2 < _len2;
_key2++
) {
args[_key2 - 1] = arguments[_key2]
}
printWarning('error', format, args)
}
}
}
function printWarning(level, format, args) {
// When changing this logic, you might want to also
// update consoleWithStackDev.www.js as well.
{
var ReactDebugCurrentFrame = ReactSharedInternals.ReactDebugCurrentFrame
var stack = ReactDebugCurrentFrame.getStackAddendum()
if (stack !== '') {
format += '%s'
args = args.concat([stack])
} // eslint-disable-next-line react-internal/safe-string-coercion
var argsWithFormat = args.map(function (item) {
return String(item)
}) // Careful: RN currently depends on this prefix
argsWithFormat.unshift('Warning: ' + format) // We intentionally don't use spread (or .apply) directly because it
// breaks IE9: https://github.com/facebook/react/issues/13610
// eslint-disable-next-line react-internal/no-production-logging
Function.prototype.apply.call(console[level], console, argsWithFormat)
}
}
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
}
error(
"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 assign = Object.assign
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) {
if (
typeof partialState !== 'object' &&
typeof partialState !== 'function' &&
partialState != null
) {
throw new Error(
'setState(...): takes an object of state variables to update or a ' +
'function which returns an object of state variables.'
)
}
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 () {
warn(
'%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.
assign(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 isArrayImpl = Array.isArray // eslint-disable-next-line no-redeclare
function isArray(a) {
return isArrayImpl(a)
}
/*
* The `'' + value` pattern (used in in perf-sensitive code) throws for Symbol
* and Temporal.* types. See https://github.com/facebook/react/pull/22064.
*
* The functions in this module will throw an easier-to-understand,
* easier-to-debug exception with a clear errors message message explaining the
* problem. (Instead of a confusing exception thrown inside the implementation
* of the `value` object).
*/
// $FlowFixMe only called in DEV, so void return is not possible.
function typeName(value) {
{
// toStringTag is needed for namespaced types like Temporal.Instant
var hasToStringTag = typeof Symbol === 'function' && Symbol.toStringTag
var type =
(hasToStringTag && value[Symbol.toStringTag]) ||
value.constructor.name ||
'Object'
return type
}
} // $FlowFixMe only called in DEV, so void return is not possible.
function willCoercionThrow(value) {
{
try {
testStringCoercion(value)
return false
} catch (e) {
return true
}
}
}
function testStringCoercion(value) {
// If you ended up here by following an exception call stack, here's what's
// happened: you supplied an object or symbol value to React (as a prop, key,
// DOM attribute, CSS property, string ref, etc.) and when React tried to
// coerce it to a string using `'' + value`, an exception was thrown.
//
// The most common types that will cause this exception are `Symbol` instances
// and Temporal objects like `Temporal.Instant`. But any object that has a
// `valueOf` or `[Symbol.toPrimitive]` method that throws will also cause this
// exception. (Library authors do this to prevent users from using built-in
// numeric operators like `+` or comparison operators like `>=` because custom
// methods are needed to perform accurate arithmetic or comparison.)
//
// To fix the problem, coerce this object or symbol value to a string before
// passing it to React. The most reliable way is usually `String(value)`.
//
// To find which value is throwing, check the browser or debugger console.
// Before this exception was thrown, there should be `console.error` output
// that shows the type (Symbol, Temporal.PlainDate, etc.) that caused the
// problem and how that type was used: key, atrribute, input value prop, etc.
// In most cases, this console output also shows the component and its
// ancestor components where the exception happened.
//
// eslint-disable-next-line react-internal/safe-string-coercion
return '' + value
}
function checkKeyStringCoercion(value) {
{
if (willCoercionThrow(value)) {
error(
'The provided key is an unsupported type %s.' +
' This value must be coerced to a string before before using it here.',
typeName(value)
)
return testStringCoercion(value) // throw (to help callers find troubleshooting comments)
}
}
}
function getWrappedName(outerType, innerType, wrapperName) {
var displayName = outerType.displayName
if (displayName) {
return displayName
}
var functionName = innerType.displayName || innerType.name || ''
return functionName !== '' ? wrapperName + '(' + functionName + ')' : wrapperName
} // Keep in sync with react-reconciler/getComponentNameFromFiber
function getContextName(type) {
return type.displayName || 'Context'
} // Note that the reconciler package should generally prefer to use getComponentNameFromFiber() instead.
function getComponentNameFromType(type) {
if (type == null) {
// Host root, text node or just invalid type.
return null
}
{
if (typeof type.tag === 'number') {
error(
'Received an unexpected object in getComponentNameFromType(). ' +
'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_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'
case REACT_SUSPENSE_LIST_TYPE:
return 'SuspenseList'
}
if (typeof type === 'object') {
switch (type.$$typeof) {
case REACT_CONTEXT_TYPE:
var context = type
return getContextName(context) + '.Consumer'
case REACT_PROVIDER_TYPE:
var provider = type
return getContextName(provider._context) + '.Provider'
case REACT_FORWARD_REF_TYPE:
return getWrappedName(type, type.render, 'ForwardRef')
case REACT_MEMO_TYPE:
var outerName = type.displayName || null
if (outerName !== null) {
return outerName
}
return getComponentNameFromType(type.type) || 'Memo'
case REACT_LAZY_TYPE: {
var lazyComponent = type
var payload = lazyComponent._payload
var init = lazyComponent._init
try {
return getComponentNameFromType(init(payload))
} catch (x) {
return null
}
}
// eslint-disable-next-line no-fallthrough
}
}
return null
}
var hasOwnProperty = Object.prototype.hasOwnProperty
var RESERVED_PROPS = {
key: true,
ref: true,
__self: true,
__source: true,
}
var specialPropKeyWarningShown, specialPropRefWarningShown, didWarnAboutStringRefs
{
didWarnAboutStringRefs = {}
}
function hasValidRef(config) {
{
if (hasOwnProperty.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.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
error(
'%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://reactjs.org/link/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
error(
'%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://reactjs.org/link/special-props)',
displayName
)
}
}
}
warnAboutAccessingRef.isReactWarning = true
Object.defineProperty(props, 'ref', {
get: warnAboutAccessingRef,
configurable: true,
})
}
function warnIfStringRefCannotBeAutoConverted(config) {
{
if (
typeof config.ref === 'string' &&
ReactCurrentOwner.current &&
config.__self &&
ReactCurrentOwner.current.stateNode !== config.__self
) {
var componentName = getComponentNameFromType(ReactCurrentOwner.current.type)
if (!didWarnAboutStringRefs[componentName]) {
error(
'Component "%s" contains the string ref "%s". ' +
'Support for string refs will be removed in a future major release. ' +
'This case cannot be automatically converted to an arrow function. ' +
'We ask you to manually fix this case by using useRef() or createRef() instead. ' +
'Learn more about using refs safely here: ' +
'https://reactjs.org/link/strict-mode-string-ref',
componentName,
config.ref
)
didWarnAboutStringRefs[componentName] = 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, instanceof check
* will not work. Instead test $$typeof field against Symbol.for('react.element') to check
* if something is a React Element.
*
* @param {*} type
* @param {*} props
* @param {*} key
* @param {string|object} ref
* @param {*} owner
* @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.
* @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 // 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
{
warnIfStringRefCannotBeAutoConverted(config)
}
}
if (hasValidKey(config)) {
{
checkKeyStringCoercion(config.key)
}
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.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)
}
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) {
if (element === null || element === undefined) {
throw new Error(
'React.cloneElement(...): The argument must be a React element, but you passed ' +
element +
'.'
)
}
var propName // Original props are copied
var props = assign({}, 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)) {
{
checkKeyStringCoercion(config.key)
}
key = '' + config.key
} // Remaining properties override existing props
var defaultProps
if (element.type && element.type.defaultProps) {
defaultProps = element.type.defaultProps
}
for (propName in config) {
if (
hasOwnProperty.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 '$' + escapedString
}
/**
* TODO: Test that a single child and an array with one item have the same key
* pattern.
*/
var didWarnAboutMaps = false
var userProvidedKeyEscapeRegex = /\/+/g
function escapeUserProvidedKey(text) {
return text.replace(userProvidedKeyEscapeRegex, '$&/')
}
/**
* Generate a key string that identifies a element within a set.
*
* @param {*} element A element that could contain a manual key.
* @param {number} index Index that is used if a manual key is not provided.
* @return {string}
*/
function getElementKey(element, 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 element === 'object' && element !== null && element.key != null) {
// Explicit key
{
checkKeyStringCoercion(element.key)
}
return escape('' + element.key)
} // Implicit key determined by the index in the set
return index.toString(36)
}
function mapIntoArray(children, array, escapedPrefix, nameSoFar, callback) {
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) {
var _child = children
var mappedChild = callback(_child) // 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:
var childKey = nameSoFar === '' ? SEPARATOR + getElementKey(_child, 0) : nameSoFar
if (isArray(mappedChild)) {
var escapedChildKey = ''
if (childKey != null) {
escapedChildKey = escapeUserProvidedKey(childKey) + '/'
}
mapIntoArray(mappedChild, array, escapedChildKey, '', function (c) {
return c
})
} else if (mappedChild != null) {
if (isValidElement(mappedChild)) {
{
// The `if` statement here prevents auto-disabling of the safe
// coercion ESLint rule, so we must manually disable it below.
// $FlowFixMe Flow incorrectly thinks React.Portal doesn't have a key
if (mappedChild.key && (!_child || _child.key !== mappedChild.key)) {
checkKeyStringCoercion(mappedChild.key)
}
}
mappedChild = cloneAndReplaceKey(
mappedChild, // Keep both the (mapped) and old keys if they differ, just as
// traverseAllChildren used to do for objects as children
escapedPrefix + // $FlowFixMe Flow incorrectly thinks React.Portal doesn't have a key
(mappedChild.key && (!_child || _child.key !== mappedChild.key) // $FlowFixMe Flow incorrectly thinks existing element's key can be a number
? // eslint-disable-next-line react-internal/safe-string-coercion
escapeUserProvidedKey('' + mappedChild.key) + '/'
: '') +
childKey
)
}
array.push(mappedChild)
}
return 1
}
var child
var nextName
var subtreeCount = 0 // Count of children found in the current subtree.
var nextNamePrefix = nameSoFar === '' ? SEPARATOR : nameSoFar + SUBSEPARATOR
if (isArray(children)) {
for (var i = 0; i < children.length; i++) {
child = children[i]
nextName = nextNamePrefix + getElementKey(child, i)
subtreeCount += mapIntoArray(child, array, escapedPrefix, nextName, callback)
}
} else {
var iteratorFn = getIteratorFn(children)
if (typeof iteratorFn === 'function') {
var iterableChildren = children
{
// Warn about using Maps as children
if (iteratorFn === iterableChildren.entries) {
if (!didWarnAboutMaps) {
warn(
'Using Maps as children is not supported. ' +
'Use an array of keyed ReactElements instead.'
)
}
didWarnAboutMaps = true
}
}
var iterator = iteratorFn.call(iterableChildren)
var step
var ii = 0
while (!(step = iterator.next()).done) {
child = step.value
nextName = nextNamePrefix + getElementKey(child, ii++)
subtreeCount += mapIntoArray(child, array, escapedPrefix, nextName, callback)
}
} else if (type === 'object') {
// eslint-disable-next-line react-internal/safe-string-coercion
var childrenString = String(children)
throw new Error(
'Objects are not valid as a React child (found: ' +
(childrenString === '[object Object]'
? 'object with keys {' + Object.keys(children).join(', ') + '}'
: childrenString) +
'). ' +
'If you meant to render a collection of children, use an array ' +
'instead.'
)
}
}
return subtreeCount
}
/**
* Maps children that are typically specified as `props.children`.
*
* See https://reactjs.org/docs/react-api.html#reactchildrenmap
*
* The provided mapFunction(child, 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 = []
var count = 0
mapIntoArray(children, result, '', '', function (child) {
return func.call(context, child, count++)
})
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) {
var n = 0
mapChildren(children, function () {
n++ // Don't return anything
})
return n
}
/**
* 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) {
mapChildren(
children,
function () {
forEachFunc.apply(this, arguments) // Don't return anything.
},
forEachContext
)
}
/**
* 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) {
return (
mapChildren(children, function (child) {
return child
}) || []
)
}
/**
* 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) {
if (!isValidElement(children)) {
throw new Error(
'React.Children.only expected to receive a single React element child.'
)
}
return children
}
function createContext(defaultValue) {
// TODO: Second argument used to be an optional `calculateChangedBits`
// function. Warn to reserve for future use?
var context = {
$$typeof: REACT_CONTEXT_TYPE,
// 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,
// Add these to use same hidden class in VM as ServerContext
_defaultValue: null,
_globalName: null,
}
context.Provider = {
$$typeof: REACT_PROVIDER_TYPE,
_context: context,
}
var hasWarnedAboutUsingNestedContextConsumers = false
var hasWarnedAboutUsingConsumerProvider = false
var hasWarnedAboutDisplayNameOnConsumer = false
{
// A separate object, but proxies back to the original context object for
// backwards compatibility. It has a different $$typeof, so we can properly
// warn for the incorrect usage of Context as a Consumer.
var Consumer = {
$$typeof: REACT_CONTEXT_TYPE,
_context: context,
} // $FlowFixMe: Flow complains about not setting a value, which is intentional here
Object.defineProperties(Consumer, {
Provider: {
get: function () {
if (!hasWarnedAboutUsingConsumerProvider) {
hasWarnedAboutUsingConsumerProvider = true
error(
'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
error(
'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
},
},
displayName: {
get: function () {
return context.displayName
},
set: function (displayName) {
if (!hasWarnedAboutDisplayNameOnConsumer) {
warn(
'Setting `displayName` on Context.Consumer has no effect. ' +
"You should set it directly on the context with Context.displayName = '%s'.",
displayName
)
hasWarnedAboutDisplayNameOnConsumer = true
}
},
},
}) // $FlowFixMe: Flow complains about missing properties because it doesn't understand defineProperty
context.Consumer = Consumer
}
{
context._currentRenderer = null
context._currentRenderer2 = null
}
return context
}
var Uninitialized = -1
var Pending = 0
var Resolved = 1
var Rejected = 2
function lazyInitializer(payload) {
if (payload._status === Uninitialized) {
var ctor = payload._result
var thenable = ctor() // Transition to the next state.
// This might throw either because it's missing or throws. If so, we treat it
// as still uninitialized and try again next time. Which is the same as what
// happens if the ctor or any wrappers processing the ctor throws. This might
// end up fixing it if the resolution was a concurrency bug.
thenable.then(
function (moduleObject) {
if (payload._status === Pending || payload._status === Uninitialized) {
// Transition to the next state.
var resolved = payload
resolved._status = Resolved
resolved._result = moduleObject
}
},
function (error) {
if (payload._status === Pending || payload._status === Uninitialized) {
// Transition to the next state.
var rejected = payload
rejected._status = Rejected
rejected._result = error
}
}
)
if (payload._status === Uninitialized) {
// In case, we're still uninitialized, then we're waiting for the thenable
// to resolve. Set it as pending in the meantime.
var pending = payload
pending._status = Pending
pending._result = thenable
}
}
if (payload._status === Resolved) {
var moduleObject = payload._result
{
if (moduleObject === undefined) {
error(
'lazy: Expected the result of a dynamic imp' +
'ort() call. ' +
'Instead received: %s\n\nYour code should look like: \n ' + // Break up imports to avoid accidentally parsing them as dependencies.
'const MyComponent = lazy(() => imp' +
"ort('./MyComponent'))\n\n" +
'Did you accidentally put curly brac