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React.js
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React.js
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/**
* 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.
*/
import ReactVersion from 'shared/ReactVersion';
import {
REACT_CONCURRENT_MODE_TYPE,
REACT_FRAGMENT_TYPE,
REACT_PROFILER_TYPE,
REACT_STRICT_MODE_TYPE,
REACT_SUSPENSE_TYPE,
} from 'shared/ReactSymbols';
import {Component, PureComponent} from './ReactBaseClasses';
import {createRef} from './ReactCreateRef';
import {forEach, map, count, toArray, only} from './ReactChildren';
import {
createElement,
createFactory,
cloneElement,
isValidElement,
} from './ReactElement';
import {createContext} from './ReactContext';
import {lazy} from './ReactLazy';
import forwardRef from './forwardRef';
import memo from './memo';
import {
useCallback,
useContext,
useEffect,
useImperativeHandle,
useDebugValue,
useLayoutEffect,
useMemo,
useReducer,
useRef,
useState,
} from './ReactHooks';
import {
createElementWithValidation,
createFactoryWithValidation,
cloneElementWithValidation,
} from './ReactElementValidator';
import ReactSharedInternals from './ReactSharedInternals';
import {enableStableConcurrentModeAPIs} from 'shared/ReactFeatureFlags';
const React = {
Children: {
map,
forEach,
count,
toArray,
only,
},
createRef,
Component,
PureComponent,
createContext,
forwardRef,
lazy,
memo,
useCallback,
useContext,
useEffect,
useImperativeHandle,
useDebugValue,
useLayoutEffect,
useMemo,
useReducer,
useRef,
useState,
Fragment: REACT_FRAGMENT_TYPE,
Profiler: REACT_PROFILER_TYPE,
StrictMode: REACT_STRICT_MODE_TYPE,
Suspense: REACT_SUSPENSE_TYPE,
createElement: __DEV__ ? createElementWithValidation : createElement,
cloneElement: __DEV__ ? cloneElementWithValidation : cloneElement,
createFactory: __DEV__ ? createFactoryWithValidation : createFactory,
isValidElement: isValidElement,
version: ReactVersion,
unstable_ConcurrentMode: REACT_CONCURRENT_MODE_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.unstable_ConcurrentMode = undefined;
}
export default React;