edlp_d8/sites/all/modules/contrib/fields/color_field/color_field.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the Color Fields module.
 */

/**
 * If the JavaScript Libraries don't exist, show a warning on the status page.
 */
function color_field_requirements($phase) {
  $requirements = [];
  if ($phase === 'runtime') {
    if (!file_exists(DRUPAL_ROOT . '/libraries/jquery-simple-color/jquery.simple-color.js')) {
      $requirements['color_field_simple'] = [
        'title' => t('Color Field library: jQuery Simple Color'),
        'value' => t('Missing'),
        'description' => t('Download the <a href=":url">jQuery Simple Color library</a> and copy it to :library', [
          ':url' => 'https://github.com/recurser/jquery-simple-color',
          ':library' => DRUPAL_ROOT . '/libraries/jquery-simple-color/',
        ]),
        'severity' => REQUIREMENT_WARNING,
      ];
    }
    else {
      $requirements['color_field_simple'] = [
        'title' => t('Color Field library: jQuery Simple Color'),
        'value' => t('Installed'),
        'severity' => REQUIREMENT_OK,
      ];
    }
    if (!file_exists(DRUPAL_ROOT . '/libraries/spectrum/spectrum.js')) {
      $requirements['color_field_spectrum'] = [
        'title' => t('Color Field library: Spectrum'),
        'value' => t('Missing'),
        'description' => t('Download the <a href=":url">Spectrum library</a> and copy it to :library', [
          ':url' => 'https://github.com/bgrins/spectrum',
          ':library' => DRUPAL_ROOT . '/libraries/spectrum/',
        ]),
        'severity' => REQUIREMENT_WARNING,
      ];
    }
    else {
      $requirements['color_field_spectrum'] = [
        'title' => t('Color Field library: Spectrum'),
        'value' => t('Installed'),
        'severity' => REQUIREMENT_OK,
      ];
    }
  }

  return $requirements;
}