allow files without an extension

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 All Notable changes to `laravel-medialibrary` will be documented in this file
 
+##1.1.2
+- Files without extensions are now allowed
+
 ##1.1.1
 - Added check to make sure the file that must be added to the medialibrary exists
 

src/MediaLibraryRepository.php

@@ -162,7 +162,7 @@ private function createMediaForFile($file, $collectionName, $addAsTemporary)
         $media->name = $pathParts['filename'];
         $media->url = $pathParts['basename'];
         $media->path = $pathParts['basename'];
-        $media->extension = strtolower($pathParts['extension']);
+        $media->extension = isset($pathParts['extension']) ? strtolower($pathParts['extension']) : '';
         $media->size = filesize($file);
         $media->temp = $addAsTemporary;
         $media->collection_name = $collectionName;