Merge pull request #17526 from CharlieEtienne/process-nodes-using

introduce processNodesUsing method

packages/forms/src/Components/RichEditor/RichContentRenderer.php

@@ -83,6 +83,11 @@ class RichContentRenderer implements Htmlable
      */
     protected array $cachedMergeTagValues = [];
 
+    /**
+     * @var array<Closure>
+     */
+    protected array $nodeProcessors = [];
+
     /**
      * @param  string | array<string, mixed> | null  $content
      */
@@ -236,6 +241,20 @@ class RichContentRenderer implements Htmlable
         });
     }
 
+    public function processNodesUsing(Closure $callback): static
+    {
+        $this->nodeProcessors[] = $callback;
+
+        return $this;
+    }
+
+    protected function processNodes(Editor $editor): void
+    {
+        foreach ($this->nodeProcessors as $processor) {
+            $editor->descendants($processor);
+        }
+    }
+
     /**
      * @return array<RichContentPlugin>
      */
@@ -341,6 +360,7 @@ class RichContentRenderer implements Htmlable
         $this->processCustomBlocks($editor);
         $this->processFileAttachments($editor);
         $this->processMergeTags($editor);
+        $this->processNodes($editor);
 
         return $editor->getHTML();
     }

packages/forms/src/Components/RichEditor/TipTapExtensions/ImageExtension.php

@@ -32,6 +32,7 @@ class ImageExtension extends BaseImage
                 'parseHTML' => fn ($DOMNode) => $DOMNode->getAttribute('data-id') ?: null,
                 'renderHTML' => fn ($attributes) => ['data-id' => $attributes->id ?? null],
             ],
+            'loading' => [],
         ];
     }
 }