package util

import "strings"

// NormalizeLabels trims whitespace, removes empty strings, and deduplicates labels
// while preserving order.
func NormalizeLabels(ss []string) []string {
	seen := make(map[string]struct{})
	out := make([]string, 0, len(ss))
	for _, s := range ss {
		s = strings.TrimSpace(s)
		if s == "" {
			continue
		}
		if _, ok := seen[s]; ok {
			continue
		}
		seen[s] = struct{}{}
		out = append(out, s)
	}
	return out
}