Function validateNoDuplicateIDs

pkg/workflow/validation_helpers.go:216–226

validateNoDuplicateIDs checks that all items have unique IDs extracted by idFunc. The onDuplicate callback creates the error to return when a duplicate is found.

(items []T, idFunc func(T) string, onDuplicate func(string) error)

// validateNoDuplicateIDs checks that all items have unique IDs extracted by idFunc.
// The onDuplicate callback creates the error to return when a duplicate is found.
func validateNoDuplicateIDs[T any](items []T, idFunc func(T) string, onDuplicate func(string) error) error {
	seen := make(map[string]struct{})
	for _, item := range items {
		id := idFunc(item)
		if _, ok := seen[id]; ok {
			return onDuplicate(id)
		}
		seen[id] = struct{}{}
	}
	return nil
}

// containsTrigger reports whether the given 'on:' section value includes
// the named trigger. It handles the three GitHub Actions forms: