add createData function

Author: freekmurze

src/Fractal.php

@@ -110,7 +110,7 @@ public function transformWith($transformer)
     }
 
     /**
-     * Specify the includes
+     * Specify the includes.
      *
      * @param array|string $includes Array or csv string of resources to include
      *
@@ -188,6 +188,21 @@ public function toArray()
      * @throws \Spatie\Fractal\Exceptions\NoTransformerSpecified
      */
     protected function transform($conversionMethod)
+    {
+        $fractalData = $this->createData();
+
+        return $fractalData->$conversionMethod();
+    }
+
+    /**
+     * Create fractal data.
+     *
+     * @return \League\Fractal\Scope
+     *
+     * @throws \Spatie\Fractal\Exceptions\InvalidTransformation
+     * @throws \Spatie\Fractal\Exceptions\NoTransformerSpecified
+     */
+    public function createData()
     {
         if (is_null($this->transformer)) {
             throw new NoTransformerSpecified();
@@ -203,9 +218,7 @@ protected function transform($conversionMethod)
 
         $resource = $this->getResource();
 
-        $fractalData = $this->manager->createData($resource);
-
-        return $fractalData->$conversionMethod();
+        return $this->manager->createData($resource);
     }
 
     /**

tests/Integration/FractalTest.php

@@ -97,4 +97,16 @@ public function it_can_create_a_resource()
 
         $this->assertInstanceOf(\League\Fractal\Resource\ResourceInterface::class, $resource);
     }
+
+    /**
+     * @test
+     */
+    public function it_can_create_fractal_data()
+    {
+        $resource = $this->fractal
+            ->collection($this->testBooks, new TestTransformer())
+            ->createData();
+
+        $this->assertInstanceOf(\League\Fractal\Scope::class, $resource);
+    }
 }