Unified encoding methods in converter classes

src/Converters/CsvConverter.php

@@ -41,14 +41,14 @@ public function item(FeedItem $item, bool $isLast): string
     {
         $data = $this->performItem($item->toArray());
 
-        return $this->toCsv($data);
+        return $this->encode($data);
     }
 
     public function info(array $info, bool $afterRoot): string
     {
         $data = $this->performItem($info);
 
-        return $this->toCsv($data);
+        return $this->encode($data);
     }
 
     protected function performItem(array $data): array
@@ -66,7 +66,7 @@ protected function performItem(array $data): array
         return $data;
     }
 
-    protected function toCsv(array $data): string
+    protected function encode(array $data): string
     {
         return implode($this->delimiter, $data);
     }

src/Converters/JsonConverter.php

@@ -47,14 +47,14 @@ public function item(FeedItem $item, bool $isLast): string
 
         $suffix = $isLast ? '' : ',';
 
-        return $this->toJson($data) . $suffix;
+        return $this->encode($data) . $suffix;
     }
 
     public function info(array $info, bool $afterRoot): string
     {
         $data = $this->performItem($info);
 
-        $json = $this->toJson($data);
+        $json = $this->encode($data);
 
         if (! $afterRoot) {
             $json = mb_substr($json, 1, -1);
@@ -78,7 +78,7 @@ protected function performItem(array $data): array
         return $data;
     }
 
-    protected function toJson(array $data): string
+    protected function encode(array $data): string
     {
         return json_encode($data, $this->jsonOptions());
     }

src/Converters/JsonLinesConverter.php

@@ -43,14 +43,14 @@ public function item(FeedItem $item, bool $isLast): string
     {
         $data = $this->performItem($item->toArray());
 
-        return $this->toJson($data);
+        return $this->encode($data);
     }
 
     public function info(array $info, bool $afterRoot): string
     {
         $data = $this->performItem($info);
 
-        return $this->toJson($data);
+        return $this->encode($data);
     }
 
     protected function performItem(array $data): array
@@ -68,7 +68,7 @@ protected function performItem(array $data): array
         return $data;
     }
 
-    protected function toJson(array $data): string
+    protected function encode(array $data): string
     {
         return json_encode($data, $this->options);
     }

src/Converters/XmlConverter.php

@@ -75,7 +75,7 @@ public function item(FeedItem $item, bool $isLast): string
 
         $this->performItem($box, $item->toArray());
 
-        return $this->toXml($box);
+        return $this->encode($box);
     }
 
     public function info(array $info, bool $afterRoot): string
@@ -84,7 +84,7 @@ public function info(array $info, bool $afterRoot): string
 
         $this->performItem($box, $info);
 
-        return $this->toXml($box);
+        return $this->encode($box);
     }
 
     protected function performBox(FeedItem $item): DOMNode
@@ -198,7 +198,7 @@ protected function rootAttributes(ElementData $item): string
             ->implode(' ');
     }
 
-    protected function toXml(DOMNode $item): string
+    protected function encode(DOMNode $item): string
     {
         return $this->document->saveXML($item, LIBXML_COMPACT);
     }

stubs/converter.stub

@@ -0,0 +1,74 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DummyNamespace;
+
+use DragonCode\LaravelFeed\Converters\Converter;
+use DragonCode\LaravelFeed\Feeds\Feed;
+use DragonCode\LaravelFeed\Feeds\Items\FeedItem;
+use DragonCode\LaravelFeed\Services\TransformerService;
+use Illuminate\Container\Attributes\Config;
+
+use function is_array;
+use function json_encode;
+
+class DummyClass extends Converter
+{
+    public function __construct(
+        #[Config('feeds.converters.jsonl.options')]
+        protected int $options,
+        TransformerService $transformer
+    ) {
+        parent::__construct(false, $transformer);
+    }
+
+    public function header(Feed $feed): string
+    {
+        return '';
+    }
+
+    public function footer(Feed $feed): string
+    {
+        return '';
+    }
+
+    public function root(Feed $feed): string
+    {
+        return '';
+    }
+
+    public function item(FeedItem $item, bool $isLast): string
+    {
+        $data = $this->performItem($item->toArray());
+
+        return $this->encode($data);
+    }
+
+    public function info(array $info, bool $afterRoot): string
+    {
+        $data = $this->performItem($info);
+
+        return $this->encode($data);
+    }
+
+    protected function performItem(array $data): array
+    {
+        foreach ($data as &$value) {
+            if (is_array($value)) {
+                $value = $this->performItem($value);
+
+                continue;
+            }
+
+            $value = $this->transformValue($value);
+        }
+
+        return $data;
+    }
+
+    protected function encode(array $data): string
+    {
+        return json_encode($data, $this->options);
+    }
+}