docs: DrupalCon updates

test-driven-drupal/code/17.txt

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\drupalcon\Repository;
+
+use Drupal\Core\Entity\EntityStorageInterface;
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\node\NodeInterface;
+
+final class ArticleRepository {
+
+  private EntityStorageInterface $nodeStorage;
+
+  public function __construct(
+    private EntityTypeManagerInterface $entityTypeManager,
+  ) {
+    $this->nodeStorage = $this->entityTypeManager->getStorage('node');
+  }
+
+// start code
+  public function getAll(): array {
+    return $this->nodeStorage->loadByProperties([
+      'status' => NodeInterface::PUBLISHED,
+    ]);
+  }
+// end code
+
+}
+
+// start output
+..                                                                  2 / 2 (100%)
+
+Time: 00:00.891, Memory: 6.00 MB
+
+OK (2 tests, 22 assertions)
+// end output