@daisugi/kintsugi/dist/esm/urandom.js

Kintsugi is a set of utilities to help build a fault tolerant services.

/*
import crypto from './crypto.js';

function dec2hex(dec: number) {
  return dec.toString(16).padStart(2, '0');
}

export function urandom() {
  const array = new Uint8Array(3);
  crypto.getRandomValues(array);
  return Array.from(array, dec2hex).join('');
}
*/
// TEMP: Borrowed from https://github.com/lukeed/uid/blob/master/src/index.js
let hexIndex = 256;
const hex = [];
const size = 256;
let buffer;
const len = 11;
while (hexIndex--)
    hex[hexIndex] = (hexIndex + 256)
        .toString(16)
        .substring(1);
export function urandom() {
    let index = 0;
    const temp = len || 11;
    if (!buffer || hexIndex + temp > size * 2) {
        for (buffer = '', hexIndex = 0; index < size; index++) {
            buffer += hex[(Math.random() * 256) | 0];
        }
    }
    return buffer.substring(hexIndex, hexIndex++ + temp);
}
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