Randomização de Grupos.ts

const sortGroups = (summers: string[]) => {
  let currentIndex = summers.length, temporaryValue: string, randomIndex: number;
  while (currentIndex) {
    randomIndex = Math.floor(Math.random() * currentIndex);
    currentIndex -= 1;
    temporaryValue = summers[currentIndex];
    summers[currentIndex] = summers[randomIndex];
    summers[randomIndex] = temporaryValue;
  }
  return {
    pair1: summers.slice(0, 2),
    pair2: summers.slice(2, 4),
    pair3: summers.slice(4, 6),
  }
}

const allPeople = ['Michael', 'Jonathan', 'Murilo', 'Bica', 'Alexandre', 'Wesley']
console.log(sortGroups(allPeople));