react-esm
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React is a JavaScript library for building user interfaces.
13 lines • 1.06 kB
JavaScript
/**
* 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 { REACT_CONCURRENT_MODE_TYPE, REACT_CONTEXT_TYPE, REACT_FORWARD_REF_TYPE, REACT_FRAGMENT_TYPE, REACT_PROFILER_TYPE, REACT_PROVIDER_TYPE, REACT_STRICT_MODE_TYPE, REACT_SUSPENSE_TYPE, REACT_MEMO_TYPE, REACT_LAZY_TYPE } from 'shared/ReactSymbols';
export default function isValidElementType(type) {
return typeof type === 'string' || typeof type === 'function' || // Note: its typeof might be other than 'symbol' or 'number' if it's a polyfill.
type === REACT_FRAGMENT_TYPE || type === REACT_CONCURRENT_MODE_TYPE || type === REACT_PROFILER_TYPE || type === REACT_STRICT_MODE_TYPE || type === REACT_SUSPENSE_TYPE || typeof type === 'object' && type !== null && (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);
}