Change empty string checks to be more idiomatic (#1684)

1 files changed, 6 insertions, 6 deletions

diff --git a/fs.go b/fs.go
index 4a8e0f2..f35f22c 100644
--- a/fs.go
+++ b/fs.go
@@ -100,7 +100,7 @@ func ServeFile(ctx *RequestCtx, path string) {
 		rootFSHandler = rootFS.NewRequestHandler()
 	})
 
-	if len(path) == 0 || !filepath.IsAbs(path) {
+	if path == "" || !filepath.IsAbs(path) {
 		// extend relative path to absolute path
 		hasTrailingSlash := len(path) > 0 && (path[len(path)-1] == '/' || path[len(path)-1] == '\\')
 
@@ -429,7 +429,7 @@ func (fs *FS) normalizeRoot(root string) string {
 	// fs.FS uses relative paths, that paths are slash-separated on all systems, even Windows.
 	if fs.FS == nil {
 		// Serve files from the current working directory if Root is empty or if Root is a relative path.
-		if (!fs.AllowEmptyRoot && len(root) == 0) || (len(root) > 0 && !filepath.IsAbs(root)) {
+		if (!fs.AllowEmptyRoot && root == "") || (root != "" && !filepath.IsAbs(root)) {
 			path, err := os.Getwd()
 			if err != nil {
 				path = "."
@@ -452,14 +452,14 @@ func (fs *FS) initRequestHandler() {
 	root := fs.normalizeRoot(fs.Root)
 
 	compressRoot := fs.CompressRoot
-	if len(compressRoot) == 0 {
+	if compressRoot == "" {
 		compressRoot = root
 	} else {
 		compressRoot = fs.normalizeRoot(compressRoot)
 	}
 
 	compressedFileSuffixes := fs.CompressedFileSuffixes
-	if len(compressedFileSuffixes["br"]) == 0 || len(compressedFileSuffixes["gzip"]) == 0 ||
+	if compressedFileSuffixes["br"] == "" || compressedFileSuffixes["gzip"] == "" ||
 		compressedFileSuffixes["br"] == compressedFileSuffixes["gzip"] {
 		// Copy global map
 		compressedFileSuffixes = make(map[string]string, len(FSCompressedFileSuffixes))
@@ -1474,7 +1474,7 @@ func (h *fsHandler) newCompressedFSFileCache(f fs.File, fileInfo fs.FileInfo, fi
 
 	ext := fileExtension(fileInfo.Name(), false, h.compressedFileSuffixes[fileEncoding])
 	contentType := mime.TypeByExtension(ext)
-	if len(contentType) == 0 {
+	if contentType == "" {
 		data, err := readFileHeader(f, false, fileEncoding)
 		if err != nil {
 			return nil, fmt.Errorf("cannot read header of the file %q: %w", fileInfo.Name(), err)
@@ -1573,7 +1573,7 @@ func (h *fsHandler) newFSFile(f fs.File, fileInfo fs.FileInfo, compressed bool,
 	// detect content-type
 	ext := fileExtension(fileInfo.Name(), compressed, h.compressedFileSuffixes[fileEncoding])
 	contentType := mime.TypeByExtension(ext)
-	if len(contentType) == 0 {
+	if contentType == "" {
 		data, err := readFileHeader(f, compressed, fileEncoding)
 		if err != nil {
 			return nil, fmt.Errorf("cannot read header of the file %q: %w", fileInfo.Name(), err)