facets_range_nouislider-1.0.0/facets_range_nouislider.install

<?php

/**
 * @file
 * Contains install hooks for facets range widget.
 */

/**
 * Implements hook_requirements().
 */
function facets_range_nouislider_requirements() {
  $library_name = 'nouislider';
  $library_path = '/libraries/' . $library_name;
  $library_exists = (file_exists(DRUPAL_ROOT . $library_path)) ? TRUE : FALSE;

  // If library is not found, look in the current profile libraries path.
  if (!$library_exists) {
    $profile = \Drupal::installProfile();
    $profile_path = Drupal::service('extension.list.profile')->getPath($profile);
    $profile_path .= $library_path;
    $library_exists = file_exists($profile_path);
  }

  $requirements = [];
  if (!$library_exists) {
    $arguments = [
      ':docs' => 'https://www.drupal.org/docs/8/theming-drupal-8/adding-stylesheets-css-and-javascript-js-to-a-drupal-8-theme#external',
      ':readme' => 'http://cgit.drupalcode.org/facets/tree/modules/facets_range_widget/README.txt',
    ];
    $requirements['facets_range_widget_nouislider'] = [
      'title' => t('Facets range slider'),
      'value' => t('The noUiSlider library is not installed.'),
      'severity' => REQUIREMENT_ERROR,
      'description' => t('The range slider library is not installed, check the <a href=":readme">README.txt for more information</a> and <a href=":docs">the documentation for information on how to install a library</a>.', $arguments),
    ];
  }

  return $requirements;
}