/** * @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. */ 'use strict'; if (process.env.NODE_ENV !== "production") { (function() { '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; })(); }