nanoid/non-secure/index.js

A tiny (118 bytes), secure URL-friendly unique string ID generator

import { urlAlphabet } from '../url-alphabet/index.js'

export let customAlphabet = (alphabet, defaultSize = 21) => {
  return (size = defaultSize) => {
    let id = ''
    let i = size | 0
    while (i-- > 0) {
      id += alphabet[(Math.random() * alphabet.length) | 0]
    }
    return id
  }
}

export let nanoid = (size = 21) => {
  let id = ''
  let i = size | 0
  while (i-- > 0) {
    id += urlAlphabet[(Math.random() * 64) | 0]
  }
  return id
}