func unitToNumber()

in utils.go [59:93]

• 31 lines of code
• 11 McCabe index (conditional complexity)

func unitToNumber(s string) uint64 {
	s = strings.TrimSpace(s)
	s = strings.ToUpper(s)

	i := strings.IndexFunc(s, unicode.IsLetter)

	if i == -1 {
		bytes, err := strconv.ParseFloat(s, 64)
		if err != nil || bytes <= 0 {
			return 0
		}
		return uint64(bytes)
	}

	bytesString, multiple := s[:i], s[i:]
	bytes, err := strconv.ParseFloat(bytesString, 64)
	if err != nil || bytes <= 0 {
		return 0
	}

	switch multiple {
	case "T", "TB", "TIB":
		return uint64(bytes * TERA)
	case "G", "GB", "GIB":
		return uint64(bytes * GIGA)
	case "M", "MB", "MIB":
		return uint64(bytes * MEGA)
	case "K", "KB", "KIB":
		return uint64(bytes * KILO)
	case "B":
		return uint64(bytes)
	default:
		return 0
	}
}