package static import ( "embed" "errors" "io/fs" "path/filepath" "strings" ) //go:embed wp-content wp-includes var FsEx embed.FS type Fs struct { embed.FS Path string } func (f Fs) Open(path string) (fs.File, error) { if filepath.Separator != '/' && strings.ContainsRune(path, filepath.Separator) { return nil, errors.New("http: invalid character in file path") } fullName := strings.TrimLeft(path, "/") fullName = f.Path + "/" + fullName file, err := f.FS.Open(fullName) return file, err }