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Nadiia D
46ffe84453
Summary: Changelog: [General][Changed] Make the RootTag an opaque type Reviewed By: yungsters Differential Revision: D27992320 fbshipit-source-id: 2901f0e59f573106295b986fe04db227134235da
30 lines
634 B
JavaScript
30 lines
634 B
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow strict
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* @format
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*/
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import * as React from 'react';
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// TODO: Make this into an opaque type.
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export opaque type RootTag = number;
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export const RootTagContext: React$Context<RootTag> = React.createContext<RootTag>(
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0,
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);
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if (__DEV__) {
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RootTagContext.displayName = 'RootTagContext';
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}
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/**
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* Intended to only be used by `AppContainer`.
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*/
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export function createRootTag(rootTag: number | RootTag): RootTag {
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return rootTag;
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}
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