conditional_styles.module in Conditional Stylesheets 8

Adds conditional CSS from the .info file.

File

conditional_styles.module

<?php

/**
 * @file
 * Adds conditional CSS from the .info file.
 */
use Drupal\Component\Utility\Unicode;

/**
 * Implements hook_css_alter().
 */
function conditional_styles_css_alter(&$css, \Drupal\Core\Asset\AttachedAssetsInterface $assets) {
  $theme_handler = \Drupal::service('theme_handler');
  $current_theme = $theme_handler
    ->getDefault();
  $path = drupal_get_path('theme', $current_theme);
  $info = $theme_handler
    ->getTheme($current_theme)->info;
  if (!empty($info['conditional-stylesheets'])) {
    foreach ($info['conditional-stylesheets'] as $version => $media) {
      foreach ($media as $key => $file_path) {
        $full_path = "{$path}/{$file_path}";
        $css[$full_path] = [
          'group' => CSS_THEME,
          'weight' => 999,
          'type' => 'file',
          'preprocess' => TRUE,
          'data' => $full_path,
          'media' => $key,
          'every_page' => TRUE,
          'browsers' => [
            'IE' => $version,
            '!IE' => Unicode::strpos($version, '!IE') !== FALSE,
          ],
        ];
      }
    }
  }
}

Functions

Name	Description
conditional_styles_css_alter	Implements hook_css_alter().