Function randomInt

src/utils/words.ts:767–772

* Generate a cryptographically random integer in the range [0, max)

(max: number)

 * Generate a cryptographically random integer in the range [0, max)
 */
function randomInt(max: number): number {
  // Use crypto.randomBytes for better randomness than Math.random
  const bytes = randomBytes(4)
  const value = bytes.readUInt32BE(0)
  return value % max
}

/**
 * Pick a random element from an array