react/packages/react/src/React.js at adce0794f599943ad56b4b5df24511d8b0616465 · bvaughn/react · GitHub

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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_FRAGMENT_TYPE,
  REACT_PROFILER_TYPE,
  REACT_STRICT_MODE_TYPE,
  REACT_SUSPENSE_TYPE,
  REACT_SUSPENSE_LIST_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,
  jsx,
} 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,
  useEvent,
} from './ReactHooks';
import {withSuspenseConfig} from './ReactBatchConfig';
import {
  createElementWithValidation,
  createFactoryWithValidation,
  cloneElementWithValidation,
  jsxWithValidation,
  jsxWithValidationStatic,
  jsxWithValidationDynamic,
} from './ReactElementValidator';
import ReactSharedInternals from './ReactSharedInternals';
import createEvent from 'shared/createEventComponent';
import {enableJSXTransformAPI, enableFlareAPI} 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,
  unstable_SuspenseList: REACT_SUSPENSE_LIST_TYPE,

  createElement: __DEV__ ? createElementWithValidation : createElement,
  cloneElement: __DEV__ ? cloneElementWithValidation : cloneElement,
  createFactory: __DEV__ ? createFactoryWithValidation : createFactory,
  isValidElement: isValidElement,

  version: ReactVersion,

  unstable_withSuspenseConfig: withSuspenseConfig,

  __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: ReactSharedInternals,
};

if (enableFlareAPI) {
  React.unstable_createEvent = createEvent;
  React.unstable_useEvent = useEvent;
}

// 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 (enableJSXTransformAPI) {
  if (__DEV__) {
    React.jsxDEV = jsxWithValidation;
    React.jsx = jsxWithValidationDynamic;
    React.jsxs = jsxWithValidationStatic;
  } else {
    React.jsx = jsx;
    // we may want to special case jsxs internally to take advantage of static children.
    // for now we can ship identical prod functions
    React.jsxs = jsx;
  }
}

export default React;