react-native-macos/Libraries/ReactNative/RootTag.js

28 строки
593 B
JavaScript

/**
* 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.
*
* @flow strict
* @format
*/
import * as React from 'react';
export opaque type RootTag = number;
export const RootTagContext: React$Context<RootTag> =
React.createContext<RootTag>(0);
if (__DEV__) {
RootTagContext.displayName = 'RootTagContext';
}
/**
* Intended to only be used by `AppContainer`.
*/
export function createRootTag(rootTag: number | RootTag): RootTag {
return rootTag;
}