Issue #2744905: Inline images in the answer field are removed during file garbage collection

src/Plugin/Field/FieldType/FaqFieldItem.php

@@ -6,6 +6,7 @@ use Drupal\Core\Field\FieldItemBase;
 use Drupal\Core\Field\FieldStorageDefinitionInterface;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\TypedData\DataDefinition;
+use Drupal\editor\EditorFieldItemInterface;
 
 /**
  * Plugin implementation of the 'faqfield' field type.
@@ -18,7 +19,7 @@ use Drupal\Core\TypedData\DataDefinition;
  *   = "faqfield_accordion"
  * )
  */
-class FaqFieldItem extends FieldItemBase {
+class FaqFieldItem extends FieldItemBase implements EditorFieldItemInterface {
 
   /**
    * {@inheritdoc}
@@ -134,4 +135,12 @@ class FaqFieldItem extends FieldItemBase {
     parent::setValue($values, $notify);
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormattedText() {
+    $answer = $this->get('answer')->getValue();
+    return is_array($answer) ? $answer['value'] : $answer;
+  }
+
 }