Added possibility to define base path for resources

src/CSS.php

@@ -262,7 +262,7 @@ protected function importFiles($source, $content)
 
                 // get the path for the file that will be imported
                 $path = $match[2];
-                $path = dirname($source).'/'.$path;
+                $path = $this->resourcesBasePath . dirname($source).'/'.$path;
 
                 // only replace the import with the content if we're able to get
                 // the content of the file, and it's relatively small

src/Minify.php

@@ -48,6 +48,15 @@ abstract class Minify
      */
     public $extracted = array();
 
+    /**
+     * Path from where resources like images, fonts etc. can be imported.
+     * Minify will be default look for resources based on its path defined in CSS,
+     * if your structure of files is different because of different folder structure,
+     * you can specify base directory.
+     * @var string
+     */
+    protected $resourcesBasePath = "";
+
     /**
      * Init the minify class - optionally, code may be passed along already.
      */
@@ -105,7 +114,7 @@ public function add($data /* $data = null, ... */)
      * @param string|string[] $data
      *
      * @return static
-     * 
+     *
      * @throws IOException
      */
     public function addFile($data /* $data = null, ... */)
@@ -192,6 +201,18 @@ public function cache(CacheItemInterface $item)
         return $item;
     }
 
+    /**
+     * Path from where resources like images, fonts etc. can be imported.
+     * Minify will be default look for resources based on its path defined in CSS,
+     * if your structure of files is different because of different folder structure,
+     * you can specify base directory.
+     * @var string
+     */
+    public function setResourcesBasePath(string $path)
+    {
+        $this->resourcesBasePath = $path;
+    }
+
     /**
      * Minify the data.
      *