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/** * Creates an array of shuffled values, using a version of the * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle). * @param arr The array to shuffle */export default function shuffle<T>(arr: readonly T[]): T[] {  const length = arr.length;  const result = [...arr];
  for (let i = 0; i <= length - 2; i++) {    const rand = i + Math.floor(Math.random() * (length - i));    const tmp = result[rand];    result[rand] = result[i];    result[i] = tmp;  }
  return result;}