| // Copyright 2020 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| /** A collection of helper functions when dealing with arrays. */ |
| export const ArrayUtil = { |
| /** |
| * @param {Array=} array1 |
| * @param {Array=} array2 |
| * @return {boolean} |
| */ |
| contentsAreEqual: (array1, array2) => { |
| if (!array1 || !array2 || array1.length !== array2.length) { |
| return false; |
| } |
| for (let i = 0; i < array1.length; i++) { |
| if (array1[i] !== array2[i]) { |
| return false; |
| } |
| } |
| return true; |
| }, |
| }; |
