react-native/Libraries/vendor/core/guid.js

26 lines
705 B
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @providesModule guid
*/
/* eslint-disable no-bitwise */
'use strict';
/**
* Module that provides a function for creating a unique identifier.
* The returned value does not conform to the GUID standard, but should
* be globally unique in the context of the browser.
*/
function guid() {
return 'f' + (Math.random() * (1 << 30)).toString(16).replace('.', '');
}
module.exports = guid;