cloudworker-proxy
Version:
An api gateway for cloudflare workers
28 lines (27 loc) • 679 B
JavaScript
/**
* Generate URL-friendly unique ID. This method use non-secure predictable
* random generator.
*
* By default, ID will have 21 symbols to have a collision probability similar
* to UUID v4.
*
* @param {string} alphabet Symbols to be used in ID.
* @param {number} [size=21] The number of symbols in ID.
*
* @return {string} Random string.
*
* @example
* const nanoid = require('nanoid/non-secure')
* model.id = nanoid() //=> "Uakgb_J5m9g-0JDMbcJqL"
*
* @name nonSecure
* @function
*/
module.exports = function (alphabet, size) {
size = size || 21
var id = ''
while (0 < size--) {
id += alphabet[Math.random() * alphabet.length | 0]
}
return id
}