Issue #3514886 by just_like_good_vibes: Site error when enabled on Drupal CMS

Closes #3514886

src/SchemaManager/ReferencesResolver.php

@@ -5,7 +5,9 @@ declare(strict_types=1);
 namespace Drupal\ui_patterns\SchemaManager;
 
 use JsonSchema\Constraints\BaseConstraint;
+use JsonSchema\Exception\RuntimeException;
 use JsonSchema\SchemaStorage;
+use Psr\Log\LoggerInterface;
 
 /**
  * JSON Schema References resolver.
@@ -18,6 +20,14 @@ class ReferencesResolver {
 
   const MAXIMUM_RECURSIVITY_LEVEL = 10;
 
+  /**
+   * Constructs a ComponentElementBuilder.
+   */
+  public function __construct(
+    protected LoggerInterface $logger,
+  ) {
+  }
+
   /**
    * Resolve schema references recursively.
    */
@@ -28,7 +38,17 @@ class ReferencesResolver {
     $depth = $depth + 1;
     $schema = BaseConstraint::arrayToObjectRecursive($schema);
     $storage = new SchemaStorage();
-    $schema = (array) $storage->resolveRefSchema($schema);
+    try {
+      $schema = (array) $storage->resolveRefSchema($schema);
+    }
+    catch (RuntimeException $e) {
+      $schema = (array) $schema;
+      $this->logger->error(t("Could not resolve schema referenced by \$ref property '@ref': @error", [
+        "@ref" => $schema['$ref'] ?? '',
+        "@error" => $e->getMessage(),
+      ]));
+
+    }
     foreach ($schema as $key => $value) {
       if (!is_object($value)) {
         continue;