Files
react-native/Libraries/ReactNative/RootTag.js
T
Tim Yung 77ecc7ede1 JS: Format with Prettier v2.4.1 [3/n]
Summary:
Changelog:
[General][Internal]

Reviewed By: zertosh

Differential Revision: D31883447

fbshipit-source-id: cbbf85e4bf935096d242336f41bf0cc5d6f92359
2021-11-02 22:14:16 -07:00

29 lines
631 B
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.
*
* @flow strict
* @format
*/
import * as React from 'react';
// TODO: Make this into an opaque type.
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;
}