func TrimFieldsEvenly()

in controllers/utils.go [86:118]

• 28 lines of code
• 7 McCabe index (conditional complexity)

func TrimFieldsEvenly(max int, fields ...string) []string {
	if max <= 0 {
		return fields
	}
	total := 0
	for _, s := range fields {
		total += len(s)
	}
	if total <= max {
		return fields
	}
	// Distribute truncation evenly among the fields.
	excess := total - max
	remaining := max
	var lengths []int
	for _, s := range fields {
		// Scale truncation to shorten longer fields more than ones that are already short.
		l := len(s) - len(s)*excess/total - 1
		lengths = append(lengths, l)
		remaining -= l
	}
	// Add fractional space that was rounded down.
	for i := 0; i < remaining; i++ {
		lengths[i]++
	}

	var ret []string
	for i, l := range lengths {
		ret = append(ret, fields[i][:l])
	}

	return ret
}