Initial Drupal 11 with DDEV setup

web/core/themes/engines/twig/twig.engine

@@ -0,0 +1,120 @@
+<?php
+
+/**
+ * @file
+ * Handles integration of Twig templates with the Drupal theme system.
+ */
+
+use Drupal\Component\Render\MarkupInterface;
+use Drupal\Component\Utility\Html;
+use Drupal\Core\Render\Markup;
+use Twig\Error\RuntimeError;
+
+/**
+ * Implements hook_theme().
+ */
+function twig_theme($existing, $type, $theme, $path): array {
+  return drupal_find_theme_templates($existing, '.html.twig', $path);
+}
+
+/**
+ * Implements hook_extension().
+ */
+function twig_extension(): string {
+  return '.html.twig';
+}
+
+/**
+ * Implements hook_render_template().
+ */
+function twig_render_template($template_file, array $variables): string|MarkupInterface {
+  /** @var \Twig\Environment $twig_service */
+  $twig_service = \Drupal::service('twig');
+  try {
+    $rendered_markup = $twig_service->load($template_file)->render($variables);
+  }
+  catch (RuntimeError $e) {
+    // In case there is a previous exception, re-throw the previous exception,
+    // so that the original exception is shown, rather than
+    // \Twig\Template::displayWithErrorHandling()'s exception.
+    $previous_exception = $e->getPrevious();
+    if ($previous_exception) {
+      throw $previous_exception;
+    }
+    throw $e;
+  }
+  if ($twig_service->isDebug()) {
+    $output = [
+      'debug_prefix' => '',
+      'debug_info' => '',
+      'rendered_markup' => $rendered_markup,
+      'debug_suffix' => '',
+    ];
+
+    $output['debug_prefix'] .= "\n\n<!-- THEME DEBUG -->";
+    $output['debug_prefix'] .= "\n<!-- THEME HOOK: '" . Html::escape($variables['theme_hook_original']) . "' -->";
+    // If there are theme suggestions, reverse the array so more specific
+    // suggestions are shown first.
+    if (!empty($variables['theme_hook_suggestions'])) {
+      $variables['theme_hook_suggestions'] = array_reverse($variables['theme_hook_suggestions']);
+    }
+    // Add debug output for directly called suggestions like
+    // '#theme' => 'comment__node__article'.
+    if (str_contains($variables['theme_hook_original'], '__')) {
+      $derived_suggestions[] = $hook = $variables['theme_hook_original'];
+      while ($pos = strrpos($hook, '__')) {
+        $hook = substr($hook, 0, $pos);
+        $derived_suggestions[] = $hook;
+      }
+      // Get the value of the base hook (last derived suggestion) and append it
+      // to the end of all theme suggestions.
+      $base_hook = array_pop($derived_suggestions);
+      $variables['theme_hook_suggestions'] = array_merge($derived_suggestions, $variables['theme_hook_suggestions']);
+      $variables['theme_hook_suggestions'][] = $base_hook;
+    }
+    if (!empty($variables['theme_hook_suggestions'])) {
+      $extension = twig_extension();
+      $current_template = basename($template_file);
+      $suggestions = $variables['theme_hook_suggestions'];
+      // Only add the original theme hook if it wasn't a directly called
+      // suggestion.
+      if (!str_contains($variables['theme_hook_original'], '__')) {
+        $suggestions[] = $variables['theme_hook_original'];
+      }
+      $invalid_suggestions = [];
+      $base_hook = $base_hook ?? $variables['theme_hook_original'];
+      foreach ($suggestions as $key => &$suggestion) {
+        // Valid suggestions are $base_hook, $base_hook__*, and contain no
+        // hyphens.
+        if (($suggestion !== $base_hook && !str_starts_with($suggestion, $base_hook . '__')) || str_contains($suggestion, '-')) {
+          $invalid_suggestions[] = $suggestion;
+          unset($suggestions[$key]);
+          continue;
+        }
+        $template = strtr($suggestion, '_', '-') . $extension;
+        $prefix = ($template == $current_template) ? '✅' : '▪️';
+        $suggestion = $prefix . ' ' . $template;
+      }
+      $output['debug_info'] .= "\n<!-- FILE NAME SUGGESTIONS:\n   " . Html::escape(implode("\n   ", $suggestions)) . "\n-->";
+
+      if (!empty($invalid_suggestions)) {
+        $output['debug_info'] .= "\n<!-- INVALID FILE NAME SUGGESTIONS:";
+        $output['debug_info'] .= "\n   See https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Render!theme.api.php/function/hook_theme_suggestions_alter";
+        $output['debug_info'] .= "\n   " . Html::escape(implode("\n   ", $invalid_suggestions));
+        $output['debug_info'] .= "\n-->";
+      }
+    }
+    // Check if the template_file belongs to a custom theme
+    $template_override_status_output = "BEGIN OUTPUT";
+    $template_override_suffix_output = "END OUTPUT";
+    if (str_starts_with($template_file, $variables['directory'])) {
+      $template_override_status_output = "💡 BEGIN CUSTOM TEMPLATE OUTPUT";
+      $template_override_suffix_output = "END CUSTOM TEMPLATE OUTPUT";
+    }
+    $output['debug_info']   .= "\n<!-- " . $template_override_status_output . " from '" . Html::escape($template_file) . "' -->\n";
+    $output['debug_suffix'] .= "\n<!-- " . $template_override_suffix_output . " from '" . Html::escape($template_file) . "' -->\n\n";
+    // This output has already been rendered and is therefore considered safe.
+    return Markup::create(implode('', $output));
+  }
+  return Markup::create($rendered_markup);
+}

web/core/themes/engines/twig/twig.info.yml

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+type: theme_engine
+name: Twig
+version: VERSION
+package: Core