Merge pull request #2 from php-etl/fix/attribute-class

Fixed the attribute class

Author: gplanchat

src/Pipeline.php

@@ -18,29 +18,30 @@ public function __construct(
         array $steps = [],
     ) {
         foreach ($steps as $name => $type) {
-            if (!is_string($name)) {
-                if (
+            if (
+                !is_string($name)
+                && (
                     $type instanceof Pipeline\StepExtractor
                     || $type instanceof Pipeline\StepTransformer
                     || $type instanceof Pipeline\StepLoader
-                ) {
-                    $this->steps[] = $type;
-                }
+                )
+            ) {
+                $this->steps[] = $type;
                 continue;
             }
 
             if ($type === 'extractor') {
-                $this->steps[] = new Pipeline\StepExtractor(name: $name);
+                $this->steps[] = new Pipeline\StepExtractor(name: is_string($name) && strlen($name) > 0 ? $name : null);
                 continue;
             }
 
             if ($type === 'transformer') {
-                $this->steps[] = new Pipeline\StepTransformer(name: $name);
+                $this->steps[] = new Pipeline\StepTransformer(name: is_string($name) && strlen($name) > 0 ? $name : null);
                 continue;
             }
 
             if ($type === 'loader') {
-                $this->steps[] = new Pipeline\StepLoader(name: $name);
+                $this->steps[] = new Pipeline\StepLoader(name: is_string($name) && strlen($name) > 0 ? $name : null);
                 continue;
             }
         }

src/Pipeline/StepExtractor.php

@@ -6,7 +6,7 @@
 final class StepExtractor
 {
     public function __construct(
-        public string $name = 'extractor',
+        public ?string $name = 'extractor',
     ) {
     }
 }

src/Pipeline/StepLoader.php

@@ -6,7 +6,7 @@
 final class StepLoader
 {
     public function __construct(
-        public string $name = 'loader',
+        public ?string $name = 'loader',
     ) {
     }
 }

src/Pipeline/StepTransformer.php

@@ -6,7 +6,7 @@
 final class StepTransformer
 {
     public function __construct(
-        public string $name = 'transformer',
+        public ?string $name = 'transformer',
     ) {
     }
 }