@coffeeandfun/maths-captcha/src/random.js

Maths-Captcha is a simple Node.js module that generates random math questions to verify human interaction. It creates math problems like addition, subtraction, multiplication, division, powers, percentages, sequences, and algebra, and checks if the user's

export function randomInt(min, max) {
  return Math.floor(Math.random() * (max - min + 1)) + min;
}

export function randomChoice(items) {
  return items[randomInt(0, items.length - 1)];
}

export function shuffle(items) {
  const out = [...items];
  for (let i = out.length - 1; i > 0; i--) {
    const j = randomInt(0, i);
    [out[i], out[j]] = [out[j], out[i]];
  }
  return out;
}

export function randomIntInRange(range) {
  return randomInt(range.min, range.max);
}