Get random samples from an array by the number of count

getRandomSamplesByCount.ts

function getRandomSamplesByCount<T>(arr: T[], count: number) {
  const randomSamples = [];
  const inputCopy = arr.slice();

  for (let i = 0; i < count; i++) {
    if (inputCopy.length === 0) break;

    const randomIndex = Math.floor(Math.random() * inputCopy.length);
    const [randomSample] = inputCopy.splice(randomIndex, 1)
    
    randomSamples.push(randomSample);
  }

  return randomSamples;
}