fix updating optionals when no property changes

CHANGELOG.md

@@ -4,7 +4,7 @@
 
 ### Fixed
 
-- Updating an optional entity resulting in no property change no longer raised an exception when stored via SQL
+- Updating an optional entity resulting in no property change no longer raised an exception when stored via SQL nor it generates an invalid document in Elasticsearch
 
 ## 3.1.1 - 2024-08-01
 

src/Adapter/Elasticsearch/Encode.php

@@ -25,12 +25,17 @@ public function __invoke(Diff|Aggregate $data): Content
         $properties = $this->properties($data->properties());
         $entities = $data
             ->entities()
+            ->exclude(static fn($entity) => $entity->properties()->empty())
             ->map(fn($entity) => [
                 $entity->name() => $this->properties($entity->properties()),
             ])
             ->toList();
         $optionals = $data
             ->optionals()
+            ->exclude(static fn($optional) => $optional->properties()->match(
+                static fn($properties) => $properties->empty(),
+                static fn() => false, // force setting the property to null below
+            ))
             ->map(fn($optional) => [
                 $optional->name() => $optional->properties()->match(
                     $this->properties(...),