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/** * @name arrayShuffle * @description Shuffles the input array (unlike sort, this is not done in-place) */export function arrayShuffle <T> (input: readonly T[]): T[] {  const result = input.slice();  let curr = result.length;
  // noop for the single entry  if (curr === 1) {    return result;  }
  while (curr !== 0) {    // ~~ is more performant than Math.floor    const rand = ~~(Math.random() * curr);
    curr--;
    [result[curr], result[rand]] = [result[rand], result[curr]];  }
  return result;}