randomStr.ts

import { randomFillSync } from "node:crypto";

// Defined for length >= 2
//
// From https://stackoverflow.com/a/27747377/13300239
export function randomStr(length: number): string {
  const rnd = new Uint8Array(length / 2);
  randomFillSync(rnd);

  // i.e. 0-255 -> '00'-'ff'
  const dec2hex = (_: number) => _.toString(16).padStart(2, "0");

  return Array.from(rnd, dec2hex).join("");
}