slick_browser-8.x-2.1/tests/modules/slick_browser_test/slick_browser_test.module

<?php

/**
 * @file
 * Testing various Slick Browser hooks, etc.
 */

/**
 * Implements hook_library_info_alter().
 */
function slick_browser_test_library_info_alter(array &$libraries, $extension) {
  if ($extension === 'slick') {
    $path = \Drupal::root() . '/libraries/slick/slick/slick.min.js';
    if (!is_file($path)) {
      $libraries['slick']['js'] = [
        'https://cdn.jsdelivr.net/npm/slick-carousel@1.8.1/slick/slick.min.js' => [
          'type' => 'external',
          'weight' => -4,
        ],
      ];
      // unset($libraries['slick']['js']['/libraries/slick/slick/slick.min.js']);.
    }
  }
}