Function DetectFileType

internal/files/files.go:168–173

(data []byte, filename string)

}

func DetectFileType(data []byte, filename string) (string, error) {
	if mimeType := DetectByExtension(filename); mimeType != "" {
		return mimeType, nil
	}
	return DetectByContent(data)
}

func DetectByExtension(filename string) string {
	ext := strings.ToLower(filepath.Ext(filename))