critical_css.module in Critical CSS 8

A module to inline a critical CSS file in HTML head.

File

critical_css.module

<?php

/**
 * @file
 * A module to inline a critical CSS file in HTML head.
 */
use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 */
function critical_css_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.critical_css':
      $output = '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('The Critical CSS module embeds critical CSS file into a page\'s HTML head, and loads the rest of non-critical CSS asynchronously. For more information, see the <a href=":documentation">online documentation for the Critical CSS module</a>.', [
        ':documentation' => 'https://www.drupal.org/project/critical_css',
      ]) . '</p>';
      $output .= '<h3>' . t('Uses') . '</h3>';
      $output .= '<dl>';
      $output .= '<dt>' . t('Speeding up your site') . '</dt>';
      $output .= '<dd>' . t('Administrators can define, on the <a href=":config_page">Critical CSS</a> page where this module should look when trying to find a matching critical CSS files. There are some options that alter that search to accommodate it to your needs.', [
        ':config_page' => "/admin/config/development/performance/critical-css",
      ]) . '</dd>';
      $output .= '</dl>';
      return $output;
  }
}

Functions

Name	Description
critical_css_help	Implements hook_help().