@yookue/ts-lang-utils/dist/esm/util/RandomUtils/randomElements.js

Common lang utilities for typescript

import { randomInteger } from "./randomInteger";
export function randomElements(array, size) {
  if (!array || !array.length || !size || size <= 0 || size > Number.MAX_SAFE_INTEGER) {
    return undefined;
  }
  if (array.length <= size) {
    return array;
  }
  var indexes = new Set();
  while (indexes.size < size) {
    indexes.add(randomInteger(0, array.length));
  }
  return array.filter(function (_value, index) {
    return indexes.has(index);
  });
}