@techmely/utils/findDuplicates.global.js

Collection of helpful JavaScript / TypeScript utils

/*!
 * @techmely/utils
 * Copyright(c) 2021-2024 Techmely <techmely.creation@gmail.com>
 * MIT Licensed
 */

"use strict";
(() => {
  // src/findDuplicates.ts
  function findDuplicates(items) {
    const filtered = items.filter((el, index) => items.indexOf(el) !== index);
    return [...new Set(filtered)];
  }
})();