mirror of
https://github.com/lasthead0/yandex2mqtt.git
synced 2025-08-07 16:50:30 +03:00
33 lines
687 B
JavaScript
33 lines
687 B
JavaScript
'use strict';
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/**
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* Return a unique identifier with the given `len`.
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*
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* @param {Number} length
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* @return {String}
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* @api private
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*/
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module.exports.getUid = function(length) {
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let uid = '';
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const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
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const charsLength = chars.length;
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for (let i = 0; i < length; ++i) {
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uid += chars[getRandomInt(0, charsLength - 1)];
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}
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return uid;
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};
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/**
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* Return a random int, used by `utils.getUid()`.
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*
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* @param {Number} min
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* @param {Number} max
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* @return {Number}
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* @api private
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*/
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function getRandomInt(min, max) {
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return Math.floor(Math.random() * (max - min + 1)) + min;
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}
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