way easier method to support field enclosure (#21)

* way easier method to support field enclosure

* added release version

Author: quaddy

.gitignore

@@ -4,3 +4,5 @@
 /.idea/laravel-idea.xml
 /.idea/phpunit.xml
 /.idea/workspace.xml
+/.idea/laravel-idea-personal.xml
+/.idea/GitLink.xml

.idea/laravel-flatfiles.iml

@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## v4.1.0
+### Changed
+- Way easier method to support field enclosure
+
 ## v4.0.2
 ### Added
 - Support for deleting export file after download

.idea/php.xml

@@ -9,9 +9,9 @@
 use Illuminate\Support\Facades\Storage;
 use Illuminate\Support\Str;
 use League\Csv\CannotInsertRecord;
+use League\Csv\EncloseField;
 use League\Csv\Writer;
 use League\Flysystem\Adapter\Local;
-use RealMediaTechnicStaudacher\LaravelFlatfiles\StreamFilters\RemoveSequence;
 use RuntimeException;
 use Symfony\Component\HttpFoundation\BinaryFileResponse;
 use Symfony\Component\HttpFoundation\StreamedResponse;
@@ -220,7 +220,7 @@ private function determineDefaultWriter(): FlatfileExport
                 $this->writer->setEnclosure($this->configuration->get('csv', 'enclosure'));
 
                 if ($this->configuration->get('csv', 'force_enclosure')) {
-                    $this->addForceEnclosure();
+                    EncloseField::addTo($this->writer, "\t\x1f");
                 }
 
                 $this->writer->setOutputBOM($this->configuration->get('csv', 'bom') ? Writer::BOM_UTF8 : '');
@@ -306,31 +306,6 @@ private function toArrayWithoutSnakeCasedKeys($model): array
         return $dataAsArray;
     }
 
-    /**
-     * adding an StreamFilter to force the enclosure of each cell.
-     */
-    private function addForceEnclosure(): void
-    {
-        $sequence = "\t\x1f";
-        $addSequence = static function (array $row) use ($sequence) {
-            $res = [];
-            foreach ($row as $value) {
-                if (is_array($value)) {
-                    throw new RuntimeException('Cell value must not be an array: '.json_encode($row));
-                }
-
-                $res[] = $sequence.$value;
-            }
-
-            return $res;
-        };
-
-        $this->writer->addFormatter($addSequence);
-        RemoveSequence::registerStreamFilter();
-        /** @noinspection PhpUnhandledExceptionInspection */
-        $this->writer->addStreamFilter(RemoveSequence::createFilterName($this->writer, $sequence));
-    }
-
     /**
      * @param  string|null  $filename
      * @param  array  $headers