/** * 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. * @flow */ import type {ReactScope} from 'shared/ReactTypes'; import {REACT_SCOPE_TYPE} from 'shared/ReactSymbols'; export default function createScope( fn: (type: string | Object, props: Object) => boolean, ): ReactScope { const scopeComponent = { $$typeof: REACT_SCOPE_TYPE, fn, }; if (__DEV__) { Object.freeze(scopeComponent); } return scopeComponent; }