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/**
* @license React
* react-is.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.
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(global = global || self, factory(global.ReactIs = {}));
}(this, (function (exports) { 'use strict';
// 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_SERVER_CONTEXT_TYPE = Symbol.for('react.server_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 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 REACT_MODULE_REFERENCE;
{
REACT_MODULE_REFERENCE = Symbol.for('react.module.reference');
}
function isValidElementType(type) {
if (typeof type === 'string' || typeof type === 'function') {
return true;
} // Note: typeof might be other than 'symbol' or 'number' (e.g. if it's a polyfill).
if (type === REACT_FRAGMENT_TYPE || type === REACT_PROFILER_TYPE || enableDebugTracing || type === REACT_STRICT_MODE_TYPE || type === REACT_SUSPENSE_TYPE || type === REACT_SUSPENSE_LIST_TYPE || enableLegacyHidden || type === REACT_OFFSCREEN_TYPE || enableScopeAPI || enableCacheElement || enableTransitionTracing ) {
return true;
}
if (typeof type === 'object' && type !== null) {
if (type.$$typeof === REACT_LAZY_TYPE || type.$$typeof === REACT_MEMO_TYPE || type.$$typeof === REACT_PROVIDER_TYPE || type.$$typeof === REACT_CONTEXT_TYPE || type.$$typeof === REACT_FORWARD_REF_TYPE || // This needs to include all possible module reference object
// types supported by any Flight configuration anywhere since
// we don't know which Flight build this will end up being used
// with.
type.$$typeof === REACT_MODULE_REFERENCE || type.getModuleId !== undefined) {
return true;
}
}
return false;
}
function typeOf(object) {
if (typeof object === 'object' && object !== null) {
var $$typeof = object.$$typeof;
switch ($$typeof) {
case REACT_ELEMENT_TYPE:
var type = object.type;
switch (type) {
case REACT_FRAGMENT_TYPE:
case REACT_PROFILER_TYPE:
case REACT_STRICT_MODE_TYPE:
case REACT_SUSPENSE_TYPE:
case REACT_SUSPENSE_LIST_TYPE:
return type;
default:
var $$typeofType = type && type.$$typeof;
switch ($$typeofType) {
case REACT_SERVER_CONTEXT_TYPE:
case REACT_CONTEXT_TYPE:
case REACT_FORWARD_REF_TYPE:
case REACT_LAZY_TYPE:
case REACT_MEMO_TYPE:
case REACT_PROVIDER_TYPE:
return $$typeofType;
default:
return $$typeof;
}
}
case REACT_PORTAL_TYPE:
return $$typeof;
}
}
return undefined;
}
var ContextConsumer = REACT_CONTEXT_TYPE;
var ContextProvider = REACT_PROVIDER_TYPE;
var Element = REACT_ELEMENT_TYPE;
var ForwardRef = REACT_FORWARD_REF_TYPE;
var Fragment = REACT_FRAGMENT_TYPE;
var Lazy = REACT_LAZY_TYPE;
var Memo = REACT_MEMO_TYPE;
var Portal = REACT_PORTAL_TYPE;
var Profiler = REACT_PROFILER_TYPE;
var StrictMode = REACT_STRICT_MODE_TYPE;
var Suspense = REACT_SUSPENSE_TYPE;
var SuspenseList = REACT_SUSPENSE_LIST_TYPE;
var hasWarnedAboutDeprecatedIsAsyncMode = false;
var hasWarnedAboutDeprecatedIsConcurrentMode = false; // AsyncMode should be deprecated
function isAsyncMode(object) {
{
if (!hasWarnedAboutDeprecatedIsAsyncMode) {
hasWarnedAboutDeprecatedIsAsyncMode = true; // Using console['warn'] to evade Babel and ESLint
console['warn']('The ReactIs.isAsyncMode() alias has been deprecated, ' + 'and will be removed in React 18+.');
}
}
return false;
}
function isConcurrentMode(object) {
{
if (!hasWarnedAboutDeprecatedIsConcurrentMode) {
hasWarnedAboutDeprecatedIsConcurrentMode = true; // Using console['warn'] to evade Babel and ESLint
console['warn']('The ReactIs.isConcurrentMode() alias has been deprecated, ' + 'and will be removed in React 18+.');
}
}
return false;
}
function isContextConsumer(object) {
return typeOf(object) === REACT_CONTEXT_TYPE;
}
function isContextProvider(object) {
return typeOf(object) === REACT_PROVIDER_TYPE;
}
function isElement(object) {
return typeof object === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE;
}
function isForwardRef(object) {
return typeOf(object) === REACT_FORWARD_REF_TYPE;
}
function isFragment(object) {
return typeOf(object) === REACT_FRAGMENT_TYPE;
}
function isLazy(object) {
return typeOf(object) === REACT_LAZY_TYPE;
}
function isMemo(object) {
return typeOf(object) === REACT_MEMO_TYPE;
}
function isPortal(object) {
return typeOf(object) === REACT_PORTAL_TYPE;
}
function isProfiler(object) {
return typeOf(object) === REACT_PROFILER_TYPE;
}
function isStrictMode(object) {
return typeOf(object) === REACT_STRICT_MODE_TYPE;
}
function isSuspense(object) {
return typeOf(object) === REACT_SUSPENSE_TYPE;
}
function isSuspenseList(object) {
return typeOf(object) === REACT_SUSPENSE_LIST_TYPE;
}
exports.ContextConsumer = ContextConsumer;
exports.ContextProvider = ContextProvider;
exports.Element = Element;
exports.ForwardRef = ForwardRef;
exports.Fragment = Fragment;
exports.Lazy = Lazy;
exports.Memo = Memo;
exports.Portal = Portal;
exports.Profiler = Profiler;
exports.StrictMode = StrictMode;
exports.Suspense = Suspense;
exports.SuspenseList = SuspenseList;
exports.isAsyncMode = isAsyncMode;
exports.isConcurrentMode = isConcurrentMode;
exports.isContextConsumer = isContextConsumer;
exports.isContextProvider = isContextProvider;
exports.isElement = isElement;
exports.isForwardRef = isForwardRef;
exports.isFragment = isFragment;
exports.isLazy = isLazy;
exports.isMemo = isMemo;
exports.isPortal = isPortal;
exports.isProfiler = isProfiler;
exports.isStrictMode = isStrictMode;
exports.isSuspense = isSuspense;
exports.isSuspenseList = isSuspenseList;
exports.isValidElementType = isValidElementType;
exports.typeOf = typeOf;
})));