extra_css_js-8.x-1.1/extra_css_js.module

<?php

/**
 * @file
 * Main file for Extra CSS JS Module
 */

use Drupal\Core\File\FileSystemInterface;
use Drupal\Core\Asset\AttachedAssetsInterface;
use Drupal\Core\Routing\RouteMatchInterface;

define('EXTRA_CSS_PATH', 'public://css');
define('EXTRA_JS_PATH', 'public://js');

/**
 * Implements hook_help().
 */
function extra_css_js_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.extra_css_js':
      $output = t('This module provides functionality to add extra css and js to the site.');
      return $output;
  }
}

/**
 * Implements hook_rebuild().
 */
function extra_css_js_rebuild() {
  extra_css_js_generate_css();
  extra_css_js_generate_js();
}

/**
 * Implements hook_css_alter().
 *
 * @param $css
 * @param \Drupal\Core\Asset\AttachedAssetsInterface $assets
 */
function extra_css_js_css_alter(&$css, AttachedAssetsInterface $assets) {
  $css_suffix = \Drupal::state()->get('extra_css_suffix') ?: NULL;
  $themes = \Drupal::config('extra_css_js.settings')->get('extra_css_js_themes');
  $active_theme = \Drupal::service('theme.manager')->getActiveTheme()->getName();
  if (empty($themes) || (!empty($themes) && in_array($active_theme, $themes))) {
    if ($css_suffix) {
      $cssfile = EXTRA_CSS_PATH . '/extra_css_js_' . $css_suffix . '.css';
    }
    else {
      $cssfile = EXTRA_CSS_PATH . '/extra_css_js.css';
    }
    if (file_exists($cssfile) && $css) {
      $css_path = ltrim(file_url_transform_relative(file_create_url($cssfile)), '/');
      if (!empty($css_path)) {
        $css[$css_path] = [
          'weight' => CSS_COMPONENT,
          'group' => CSS_AGGREGATE_DEFAULT,
          'type' => 'file',
          'data' => $css_path,
          "version" => -1,
          'media' => 'all',
          'preprocess' => TRUE,
          'browsers' => [
            'IE' => TRUE,
            '!IE' => TRUE,
          ],
        ];
      }
    }
  }
}

/**
 * Implements hook_js_alter().
 *
 * @param $javascript
 * @param \Drupal\Core\Asset\AttachedAssetsInterface $assets
 */
function extra_css_js_js_alter(&$javascript, AttachedAssetsInterface $assets) {
  $js_suffix = \Drupal::state()->get('extra_js_suffix') ?: NULL;
  $themes = \Drupal::config('extra_css_js.settings')->get('extra_css_js_themes');
  $active_theme = \Drupal::service('theme.manager')->getActiveTheme()->getName();
  if (empty($themes) || (!empty($themes) && in_array($active_theme, $themes))) {
    if ($js_suffix) {
      $js_file = EXTRA_JS_PATH . '/extra_css_js_' . $js_suffix . '.js';
    }
    else {
      $js_file = EXTRA_JS_PATH . '/extra_css_js.js';
    }
    if (file_exists($js_file) && $javascript) {
      $js_path = ltrim(file_url_transform_relative(file_create_url($js_file)), '/');
      if (!empty($js_path)) {
        $javascript[$js_path] = [
          "group" => -100,
          "type" => "file",
          "data" => $js_path,
          "version" => -1,
          "minified" => false,
          "weight" => -100,
          "cache" => true,
          "preprocess" => true,
          "attributes" => [],
          "browsers" => [],
          "scope" => "footer",
        ];
      }
    }
  }
}

/**
 * Build CSS based on form settings.
 */
function extra_css_js_generate_css() {
  $css = \Drupal::config('extra_css_js.settings')->get('extra_css_js_custom_css');
  $csspath = EXTRA_CSS_PATH;
  // Generate suffix for new css file.
  $css_suffix = time();
  // Delete old css file if exists.
  $css_old_suffix = \Drupal::state()->get('extra_css_suffix') ?: NULL;
  if ($css_old_suffix) {
    \Drupal::service('file_system')->delete($csspath . '/extra_css_js_' . $css_old_suffix . '.css');
  }
  // Save suffix to db.
  \Drupal::state()->set('extra_css_suffix', $css_suffix);
  // Save the CSS to a file in the files directory.
  // make directory writable if it is read-only.
  \Drupal::service('file_system')->prepareDirectory($csspath, FileSystemInterface::MODIFY_PERMISSIONS);
  \Drupal::service('file_system')->saveData($css, $csspath . '/extra_css_js_' . $css_suffix . '.css', FileSystemInterface::EXISTS_REPLACE);

  // We should flush CSS cache so that aggregated CSS gets rebuilt.
  \Drupal::service('asset.css.collection_optimizer')->deleteAll();
  _drupal_flush_css_js();
}

/**
 * Build JS based on form settings.
 */
function extra_css_js_generate_js() {
  $js = \Drupal::config('extra_css_js.settings')->get('extra_css_js_custom_js');
  $js_path = EXTRA_JS_PATH;
  // Generate suffix for new js file.
  $js_suffix = time();
  // Delete old js file if exists.
  $js_old_suffix = \Drupal::state()->get('extra_js_suffix') ?: NULL;
  if ($js_old_suffix) {
    \Drupal::service('file_system')->delete($js_path . '/extra_css_js_' . $js_old_suffix . '.js');
  }
  // Save suffix to db.
  \Drupal::state()->set('extra_js_suffix', $js_suffix);
  // Save the JS to a file in the files directory.
  // make directory writable if it is read-only.
  \Drupal::service('file_system')->prepareDirectory($js_path, FileSystemInterface::MODIFY_PERMISSIONS);
  \Drupal::service('file_system')->saveData($js, $js_path . '/extra_css_js_' . $js_suffix . '.js', FileSystemInterface::EXISTS_REPLACE);

  // We should flush JS cache so that aggregated JS gets rebuilt.
  \Drupal::service('asset.js.collection_optimizer')->deleteAll();
  _drupal_flush_css_js();
}