Add Platform module for web target (#23387)

Summary:
Added a Platform file for module for instances where internal modules need Platform.
ex: 78be6efda9/Libraries/Utilities/Dimensions.js (L14)

* Added `Libraries/Utilities/Platform.web.js`
[CATEGORY] [TYPE] - Message
Pull Request resolved: https://github.com/facebook/react-native/pull/23387

Differential Revision: D14041834

Pulled By: cpojer

fbshipit-source-id: 9be7ad647d6a644956efa622b936fcecee7c1a1f
This commit is contained in:
Evan Bacon 2019-02-12 03:26:03 -08:00 committed by Facebook Github Bot
parent 344b32bb64
commit daa79b0f97

View File

@ -0,0 +1,24 @@
/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @flow
*/
'use strict';
export type PlatformSelectSpec<D, I> = {
default?: D,
web?: I,
};
const Platform = {
OS: 'web',
select: <D, I>(spec: PlatformSelectSpec<D, I>): D | I =>
'web' in spec ? spec.web : spec.default,
};
module.exports = Platform;