Function hexadecimalNumber

js/util.go:1435–1465

(num []byte, prec int)

}

func hexadecimalNumber(num []byte, prec int) []byte {
	b, suffix := removeUnderscoresAndSuffix(num)
	if len(b) <= 2 || 12 < len(b) || len(b) == 12 && ('D' < b[2] && b[2] <= 'F' || 'd' < b[2]) {
		if suffix {
			return append(b, 'n')
		}
		return b
	}
	var n int64
	for _, c := range b[2:] {
		n *= 16
		if c <= '9' {
			n += int64(c - '0')
		} else if c <= 'F' {
			n += 10 + int64(c-'A')
		} else {
			n += 10 + int64(c-'a')
		}
	}
	i := strconv.LenInt(n) - 1
	b = b[:i+1]
	for 0 <= i {
		b[i] = byte('0' + n%10)
		n /= 10
		i--
	}
	if suffix {
		return append(b, 'n')
	}
	return minify.Number(b, prec)
}