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- /**
- * Copyright (c) 2013-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.
- *
- * @providesModule base62
- * @flow
- */
- 'use strict';
- const BASE62 = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
- function base62(number: number): string {
- if (!number) {
- return '0';
- }
- let string = '';
- while (number > 0) {
- string = BASE62[number % 62] + string;
- number = Math.floor(number / 62);
- }
- return string;
- }
- module.exports = base62;
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