// DirServer returns a fractals.Handler which servers a giving directory
// every single time it receives a request.
func DirServer(dir string) fractals.Handler {
return fractals.SubLift(func(rw *Request, data []byte) (*Request, error) {
if _, err := rw.Res.Write(data); err != nil {
return nil, err
}
return rw, nil
}, IdentityMiddlewareHandler(),
fractals.Replay(dir), fs.ReadDirPath(), fs.SkipStat(fs.IsDir), fs.UnwrapStats(),
JSONEncoder())
}
// FileServer returns a handler capable of serving different files from the provided
// directory but using inputed URL path.
func FileServer(dir string, prefix string) fractals.Handler {
var stripper fractals.Handler
if prefix != "" {
stripper = fs.StripPrefix(prefix)
} else {
stripper = fractals.IdentityHandler()
}
return fractals.SubLift(func(rw *Request, data []byte) (*Request, error) {
if _, err := rw.Res.Write(data); err != nil {
return nil, err
}
return rw, nil
}, IdentityMiddlewareHandler(), MimeWriter(),
PathName(), stripper, fs.ResolvePathStringIn(dir), fs.ReadFile())
}