@techmely/utils/findDuplicates.js

Collection of helpful JavaScript / TypeScript utils

'use strict';

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


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

exports.findDuplicates = findDuplicates;