@expo/cli/static/canary/react-is/cjs/react-is.development.js

The Expo CLI

/**
 * @license React
 * react-is.development.js
 *
 * Copyright (c) Meta Platforms, Inc. and 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';

// -----------------------------------------------------------------------------

var enableScopeAPI = false; // Experimental Create Event Handle API.
var enableTransitionTracing = false; // No known bugs, but needs performance testing

var enableLegacyHidden = false; // Enables unstable_avoidThisFallback feature in Fiber

var enableRenderableContext = true; // Enables the `initialValue` option for `useDeferredValue`
// stuff. Intended to enable React core members to more easily debug scheduling
// issues in DEV builds.

var enableDebugTracing = false;

var REACT_ELEMENT_TYPE = Symbol.for('react.transitional.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'); // TODO: Delete with enableRenderableContext

var REACT_CONSUMER_TYPE = Symbol.for('react.consumer');
var REACT_CONTEXT_TYPE = Symbol.for('react.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 REACT_CLIENT_REFERENCE = Symbol.for('react.client.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  || enableTransitionTracing ) {
    return true;
  }

  if (typeof type === 'object' && type !== null) {
    if (type.$$typeof === REACT_LAZY_TYPE || type.$$typeof === REACT_MEMO_TYPE || type.$$typeof === REACT_CONTEXT_TYPE || !enableRenderableContext  || type.$$typeof === REACT_CONSUMER_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_CLIENT_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 ($$typeofType) {
              case REACT_CONTEXT_TYPE:
              case REACT_FORWARD_REF_TYPE:
              case REACT_LAZY_TYPE:
              case REACT_MEMO_TYPE:
                return $$typeofType;

              case REACT_CONSUMER_TYPE:
                {
                  return $$typeofType;
                }

              // Fall through

              case REACT_PROVIDER_TYPE:

              // Fall through

              default:
                return $$typeof;
            }

        }

      case REACT_PORTAL_TYPE:
        return $$typeof;
    }
  }

  return undefined;
}
var ContextConsumer = REACT_CONSUMER_TYPE ;
var ContextProvider = REACT_CONTEXT_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;
function isContextConsumer(object) {
  {
    return typeOf(object) === REACT_CONSUMER_TYPE;
  }
}
function isContextProvider(object) {
  {
    return typeOf(object) === REACT_CONTEXT_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.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;
  })();
}