feat: add FS and SkipCache fields to StaticFS type

router.go

@@ -344,6 +344,7 @@ func (r *Router) StaticCustom(url string, fs *StaticFS) *Path {
 	url = strings.TrimSuffix(url, "/")
 
 	ffs := &fasthttp.FS{
+		FS:                     fs.FS,
 		Root:                   fs.Root,
 		AllowEmptyRoot:         fs.AllowEmptyRoot,
 		IndexNames:             fs.IndexNames,
@@ -352,6 +353,7 @@ func (r *Router) StaticCustom(url string, fs *StaticFS) *Path {
 		CompressBrotli:         fs.CompressBrotli,
 		CompressRoot:           fs.CompressRoot,
 		AcceptByteRange:        fs.AcceptByteRange,
+		SkipCache:              fs.SkipCache,
 		CacheDuration:          fs.CacheDuration,
 		CompressedFileSuffix:   fs.CompressedFileSuffix,
 		CompressedFileSuffixes: fs.CompressedFileSuffixes,

types.go

@@ -3,6 +3,7 @@ package atreugo
 import (
 	"crypto/tls"
 	"io"
+	"io/fs"
 	"net"
 	"os"
 	"time"
@@ -377,6 +378,9 @@ type Config struct { // nolint:maligned
 type StaticFS struct {
 	noCopy nocopy.NoCopy // nolint:structcheck,unused
 
+	// FS is filesystem to serve files from. eg: embed.FS os.DirFS
+	FS fs.FS
+
 	// Path to the root directory to serve files from.
 	Root string
 
@@ -448,6 +452,11 @@ type StaticFS struct {
 	// "Cannot open requested path"
 	PathNotFound View
 
+	// SkipCache if true, will cache no file handler.
+	//
+	// By default is false.
+	SkipCache bool
+
 	// Expiration duration for inactive file handlers.
 	//
 	// FSHandlerCacheDuration is used by default.