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225 lines
7.9 KiB
225 lines
7.9 KiB
/** @license React v17.0.2 |
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* react-is.development.js |
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* |
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* Copyright (c) Facebook, Inc. and its affiliates. |
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* |
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* This source code is licensed under the MIT license found in the |
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* LICENSE file in the root directory of this source tree. |
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*/ |
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(function (global, factory) { |
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typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : |
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typeof define === 'function' && define.amd ? define(['exports'], factory) : |
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(global = global || self, factory(global.ReactIs = {})); |
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}(this, (function (exports) { 'use strict'; |
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// ATTENTION |
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// When adding new symbols to this file, |
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// Please consider also adding to 'react-devtools-shared/src/backend/ReactSymbols' |
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// The Symbol used to tag the ReactElement-like types. If there is no native Symbol |
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// nor polyfill, then a plain number is used for performance. |
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var REACT_ELEMENT_TYPE = 0xeac7; |
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var REACT_PORTAL_TYPE = 0xeaca; |
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var REACT_FRAGMENT_TYPE = 0xeacb; |
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var REACT_STRICT_MODE_TYPE = 0xeacc; |
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var REACT_PROFILER_TYPE = 0xead2; |
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var REACT_PROVIDER_TYPE = 0xeacd; |
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var REACT_CONTEXT_TYPE = 0xeace; |
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var REACT_FORWARD_REF_TYPE = 0xead0; |
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var REACT_SUSPENSE_TYPE = 0xead1; |
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var REACT_SUSPENSE_LIST_TYPE = 0xead8; |
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var REACT_MEMO_TYPE = 0xead3; |
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var REACT_LAZY_TYPE = 0xead4; |
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var REACT_BLOCK_TYPE = 0xead9; |
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var REACT_SERVER_BLOCK_TYPE = 0xeada; |
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var REACT_FUNDAMENTAL_TYPE = 0xead5; |
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var REACT_SCOPE_TYPE = 0xead7; |
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var REACT_OPAQUE_ID_TYPE = 0xeae0; |
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var REACT_DEBUG_TRACING_MODE_TYPE = 0xeae1; |
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var REACT_OFFSCREEN_TYPE = 0xeae2; |
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var REACT_LEGACY_HIDDEN_TYPE = 0xeae3; |
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if (typeof Symbol === 'function' && Symbol.for) { |
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var symbolFor = Symbol.for; |
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REACT_ELEMENT_TYPE = symbolFor('react.element'); |
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REACT_PORTAL_TYPE = symbolFor('react.portal'); |
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REACT_FRAGMENT_TYPE = symbolFor('react.fragment'); |
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REACT_STRICT_MODE_TYPE = symbolFor('react.strict_mode'); |
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REACT_PROFILER_TYPE = symbolFor('react.profiler'); |
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REACT_PROVIDER_TYPE = symbolFor('react.provider'); |
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REACT_CONTEXT_TYPE = symbolFor('react.context'); |
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REACT_FORWARD_REF_TYPE = symbolFor('react.forward_ref'); |
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REACT_SUSPENSE_TYPE = symbolFor('react.suspense'); |
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REACT_SUSPENSE_LIST_TYPE = symbolFor('react.suspense_list'); |
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REACT_MEMO_TYPE = symbolFor('react.memo'); |
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REACT_LAZY_TYPE = symbolFor('react.lazy'); |
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REACT_BLOCK_TYPE = symbolFor('react.block'); |
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REACT_SERVER_BLOCK_TYPE = symbolFor('react.server.block'); |
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REACT_FUNDAMENTAL_TYPE = symbolFor('react.fundamental'); |
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REACT_SCOPE_TYPE = symbolFor('react.scope'); |
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REACT_OPAQUE_ID_TYPE = symbolFor('react.opaque.id'); |
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REACT_DEBUG_TRACING_MODE_TYPE = symbolFor('react.debug_trace_mode'); |
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REACT_OFFSCREEN_TYPE = symbolFor('react.offscreen'); |
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REACT_LEGACY_HIDDEN_TYPE = symbolFor('react.legacy_hidden'); |
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} |
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// Filter certain DOM attributes (e.g. src, href) if their values are empty strings. |
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var enableScopeAPI = false; // Experimental Create Event Handle API. |
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function isValidElementType(type) { |
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if (typeof type === 'string' || typeof type === 'function') { |
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return true; |
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} // Note: typeof might be other than 'symbol' or 'number' (e.g. if it's a polyfill). |
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if (type === REACT_FRAGMENT_TYPE || type === REACT_PROFILER_TYPE || type === REACT_DEBUG_TRACING_MODE_TYPE || type === REACT_STRICT_MODE_TYPE || type === REACT_SUSPENSE_TYPE || type === REACT_SUSPENSE_LIST_TYPE || type === REACT_LEGACY_HIDDEN_TYPE || enableScopeAPI ) { |
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return true; |
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} |
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if (typeof type === 'object' && type !== null) { |
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if (type.$$typeof === REACT_LAZY_TYPE || type.$$typeof === REACT_MEMO_TYPE || type.$$typeof === REACT_PROVIDER_TYPE || type.$$typeof === REACT_CONTEXT_TYPE || type.$$typeof === REACT_FORWARD_REF_TYPE || type.$$typeof === REACT_FUNDAMENTAL_TYPE || type.$$typeof === REACT_BLOCK_TYPE || type[0] === REACT_SERVER_BLOCK_TYPE) { |
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return true; |
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} |
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} |
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return false; |
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} |
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function typeOf(object) { |
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if (typeof object === 'object' && object !== null) { |
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var $$typeof = object.$$typeof; |
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switch ($$typeof) { |
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case REACT_ELEMENT_TYPE: |
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var type = object.type; |
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switch (type) { |
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case REACT_FRAGMENT_TYPE: |
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case REACT_PROFILER_TYPE: |
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case REACT_STRICT_MODE_TYPE: |
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case REACT_SUSPENSE_TYPE: |
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case REACT_SUSPENSE_LIST_TYPE: |
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return type; |
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default: |
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var $$typeofType = type && type.$$typeof; |
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switch ($$typeofType) { |
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case REACT_CONTEXT_TYPE: |
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case REACT_FORWARD_REF_TYPE: |
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case REACT_LAZY_TYPE: |
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case REACT_MEMO_TYPE: |
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case REACT_PROVIDER_TYPE: |
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return $$typeofType; |
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default: |
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return $$typeof; |
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} |
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} |
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case REACT_PORTAL_TYPE: |
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return $$typeof; |
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} |
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} |
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return undefined; |
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} |
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var ContextConsumer = REACT_CONTEXT_TYPE; |
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var ContextProvider = REACT_PROVIDER_TYPE; |
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var Element = REACT_ELEMENT_TYPE; |
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var ForwardRef = REACT_FORWARD_REF_TYPE; |
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var Fragment = REACT_FRAGMENT_TYPE; |
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var Lazy = REACT_LAZY_TYPE; |
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var Memo = REACT_MEMO_TYPE; |
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var Portal = REACT_PORTAL_TYPE; |
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var Profiler = REACT_PROFILER_TYPE; |
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var StrictMode = REACT_STRICT_MODE_TYPE; |
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var Suspense = REACT_SUSPENSE_TYPE; |
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var hasWarnedAboutDeprecatedIsAsyncMode = false; |
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var hasWarnedAboutDeprecatedIsConcurrentMode = false; // AsyncMode should be deprecated |
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function isAsyncMode(object) { |
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{ |
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if (!hasWarnedAboutDeprecatedIsAsyncMode) { |
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hasWarnedAboutDeprecatedIsAsyncMode = true; // Using console['warn'] to evade Babel and ESLint |
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console['warn']('The ReactIs.isAsyncMode() alias has been deprecated, ' + 'and will be removed in React 18+.'); |
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} |
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} |
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return false; |
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} |
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function isConcurrentMode(object) { |
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{ |
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if (!hasWarnedAboutDeprecatedIsConcurrentMode) { |
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hasWarnedAboutDeprecatedIsConcurrentMode = true; // Using console['warn'] to evade Babel and ESLint |
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console['warn']('The ReactIs.isConcurrentMode() alias has been deprecated, ' + 'and will be removed in React 18+.'); |
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} |
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} |
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return false; |
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} |
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function isContextConsumer(object) { |
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return typeOf(object) === REACT_CONTEXT_TYPE; |
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} |
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function isContextProvider(object) { |
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return typeOf(object) === REACT_PROVIDER_TYPE; |
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} |
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function isElement(object) { |
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return typeof object === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE; |
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} |
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function isForwardRef(object) { |
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return typeOf(object) === REACT_FORWARD_REF_TYPE; |
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} |
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function isFragment(object) { |
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return typeOf(object) === REACT_FRAGMENT_TYPE; |
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} |
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function isLazy(object) { |
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return typeOf(object) === REACT_LAZY_TYPE; |
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} |
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function isMemo(object) { |
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return typeOf(object) === REACT_MEMO_TYPE; |
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} |
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function isPortal(object) { |
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return typeOf(object) === REACT_PORTAL_TYPE; |
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} |
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function isProfiler(object) { |
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return typeOf(object) === REACT_PROFILER_TYPE; |
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} |
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function isStrictMode(object) { |
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return typeOf(object) === REACT_STRICT_MODE_TYPE; |
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} |
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function isSuspense(object) { |
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return typeOf(object) === REACT_SUSPENSE_TYPE; |
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} |
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exports.ContextConsumer = ContextConsumer; |
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exports.ContextProvider = ContextProvider; |
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exports.Element = Element; |
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exports.ForwardRef = ForwardRef; |
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exports.Fragment = Fragment; |
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exports.Lazy = Lazy; |
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exports.Memo = Memo; |
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exports.Portal = Portal; |
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exports.Profiler = Profiler; |
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exports.StrictMode = StrictMode; |
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exports.Suspense = Suspense; |
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exports.isAsyncMode = isAsyncMode; |
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exports.isConcurrentMode = isConcurrentMode; |
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exports.isContextConsumer = isContextConsumer; |
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exports.isContextProvider = isContextProvider; |
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exports.isElement = isElement; |
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exports.isForwardRef = isForwardRef; |
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exports.isFragment = isFragment; |
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exports.isLazy = isLazy; |
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exports.isMemo = isMemo; |
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exports.isPortal = isPortal; |
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exports.isProfiler = isProfiler; |
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exports.isStrictMode = isStrictMode; |
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exports.isSuspense = isSuspense; |
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exports.isValidElementType = isValidElementType; |
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exports.typeOf = typeOf; |
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})));
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