Set type: 'object' when moving properties into allOf

Examples/nesting/nesting.yaml

@@ -44,6 +44,7 @@ components:
               type: string
             actual:
               type: string
+          type: object
     AlmostModel:
       type: object
       allOf:
@@ -55,6 +56,7 @@ components:
               type: string
             almost:
               type: string
+          type: object
     BaseModel:
       properties:
         base:

Examples/polymorphism/polymorphism-3.1.0.yaml

@@ -56,6 +56,7 @@ components:
             type:
               type: string
               const: Virtual
+          type: object
     FlResponsible:
       type: object
       allOf:
@@ -67,6 +68,7 @@ components:
               type:
                 - string
                 - 'null'
+          type: object
     Request:
       properties:
         payload:

Examples/polymorphism/polymorphism.yaml

@@ -59,6 +59,7 @@ components:
               type: string
               enum:
                 - Virtual
+          type: object
     FlResponsible:
       type: object
       allOf:
@@ -69,6 +70,7 @@ components:
             property3:
               type: string
               nullable: true
+          type: object
     Request:
       properties:
         payload:

Examples/using-interfaces/using-interfaces.yaml

@@ -65,6 +65,7 @@ components:
             color:
               description: 'The product color.'
               example: blue
+          type: object
     Product:
       title: 'Product model'
       type: object
@@ -78,6 +79,7 @@ components:
               type: integer
               format: int64
               example: 1
+          type: object
     ProductInterface:
       properties:
         name:

Examples/using-refs/using-refs.yaml

@@ -63,6 +63,7 @@ components:
               $ref: '#/components/schemas/product_status'
             stockLevel:
               $ref: '#/components/schemas/StockLevel'
+          type: object
     StockLevel:
       type: string
       enum:

Examples/using-traits/using-traits.yaml

@@ -57,6 +57,7 @@ components:
             plating:
               description: 'The plating.'
               example: gold
+          type: object
     CustomName/Blink:
       title: 'Blink trait'
       properties:
@@ -103,6 +104,7 @@ components:
             bell:
               description: 'The product bell.'
               example: gong
+          type: object
     SimpleProduct:
       title: 'SimpleProduct model'
       type: object
@@ -116,6 +118,7 @@ components:
               type: integer
               format: int64
               example: 1
+          type: object
     TrickyProduct:
       title: 'TrickyProduct model'
       type: object
@@ -129,3 +132,4 @@ components:
             trick:
               description: 'The trick.'
               example: 'recite poem'
+          type: object

src/Processors/AugmentSchemas.php

@@ -132,6 +132,7 @@ protected function mergeAllOf(Analysis $analysis, array $schemas): void
                 if (!$allOfPropertiesSchema) {
                     $allOfPropertiesSchema = new OA\Schema([
                         'properties' => [],
+                        'type' => 'object',
                         '_context' => new Context(['generated' => true], $schema->_context),
                     ]);
                     $analysis->addAnnotation($allOfPropertiesSchema, $allOfPropertiesSchema->_context);

tests/Fixtures/Apis/basic.yaml

@@ -137,6 +137,12 @@ components:
           properties:
             quantity:
               type: integer
+            id:
+              description: 'The id.'
+              format: int64
+              example: 1
+            releasedAt:
+              type: string
             brand:
               type:
                 - string
@@ -145,16 +151,11 @@ components:
               example: null
             colour:
               $ref: '#/components/schemas/Colour'
-            releasedAt:
-              type: string
-            id:
-              description: 'The id.'
-              format: int64
-              example: 1
             kind:
               description: 'The kind.'
               type: string
               const: Virtual
+          type: object
   securitySchemes:
     bearerAuth:
       type: http

tests/Fixtures/Scratch/AttributeInheritance.yaml

@@ -25,6 +25,7 @@ components:
           properties:
             name:
               type: string
+          type: object
     Child2:
       type: object
       allOf:
@@ -34,3 +35,4 @@ components:
           properties:
             title:
               type: string
+          type: object

tests/Fixtures/Scratch/Docblocks.yaml

@@ -26,3 +26,4 @@ components:
             id:
               description: 'The id'
               type: integer
+          type: object

tests/Fixtures/Scratch/MergeTraitsExtended.yaml

@@ -51,3 +51,4 @@ components:
               type: string
             name:
               type: string
+          type: object