Add original file to list of files (#8)

Co-authored-by: Jesper Skytte <[email protected]>

Author: greew

src/Server.php

@@ -226,7 +226,7 @@ protected function compile($in, $out)
             $this->metadataName($out),
             serialize([
                 'etag'    => $etag,
-                'imports' => $this->makeParsedFilesFromIncludeFiles($result->getIncludedFiles()),
+                'imports' => $this->makeParsedFilesFromIncludeFiles(array_merge([$in], $result->getIncludedFiles())),
                 'vars'    => crc32(serialize($this->scss->getVariables())),
             ])
         );
@@ -321,7 +321,7 @@ public function compileFile($in, $out = null)
         $compiled = $result->getCss();
 
         if (is_null($out)) {
-            return array('compiled' => $compiled, 'files' => $this->makeParsedFilesFromIncludeFiles($result->getIncludedFiles()),);
+            return array('compiled' => $compiled, 'files' => $this->makeParsedFilesFromIncludeFiles(array_merge([$in], $result->getIncludedFiles())),);
         }
 
         return file_put_contents($out, $compiled);