code: func LoadStrategy(path string, local, remote func(string) ([]byte, error)) func(string) ([]byte, error) {
  	if strings.HasPrefix(path, "http") {
  		return remote
  	}
  	return func(pth string) ([]byte, error) {
  		upth, err := pathUnescape(pth)
  		if err != nil {
  			return nil, err
  		}
  		return local(filepath.FromSlash(upth))
  	}
  }
docs: // LoadStrategy returns a loader function for a given path or uri