Library popup_after_login_js is loaded in all pages

Library popup_after_login_js is loaded in all pages, How to load this library just for the specific page?

/**
 * Hook_preprocess_page().
 */
function popup_after_login_preprocess_page(&$variables) {
  global $base_url;
  $variables['#attached']['library'][] = 'popup_after_login/popup_after_login_js';
  $variables['#attached']['drupalSettings']['siteBaseUrl'] = $base_url;
}