From 01030a52ba46889b85ee27cdc3d740d52fa76a13 Mon Sep 17 00:00:00 2001
From: Martin Riedl <martin.riedl.92@googlemail.com>
Date: Thu, 18 Mar 2021 19:02:34 +0100
Subject: [PATCH] enhanced prefix handling

---
 fs.go | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/fs.go b/fs.go
index d7f7ed6..77dce66 100644
--- a/fs.go
+++ b/fs.go
@@ -65,16 +65,12 @@ func (fs *FS) ServeHTTP(w http.ResponseWriter, r *http.Request, info RoutingInfo
 func (fs *FS) findFile(url string) (fs.File, error) {
 	// build file path
 	filePath := path.Join(fs.FolderPrefix, url)
-	if strings.HasPrefix(filePath, "/") {
-		filePath = filePath[1:]
-	}
+	filePath = strings.TrimPrefix(filePath, "/")
 
 	// check, if file exists in local folder
 	if fs.UseLocalFolder {
 		localFilePath := path.Join(fs.LocalFolderPrefix, filePath)
-		if strings.HasPrefix(localFilePath, "/") {
-			localFilePath = localFilePath[1:]
-		}
+		localFilePath = strings.TrimPrefix(localFilePath, "/")
 
 		file, err := os.Open(localFilePath)
 		if err == nil {