refactor: add gendoc for IsEmptyYamlDocument

Signed-off-by: ah8ad3 <ah8ad3@gmail.com>

pkg/utils/yaml.go

@@ -27,10 +27,13 @@ func SplitYamlDocuments(fileBytes Document) ([]Document, error) {
 }
 
 // IsEmptyYamlDocument checks if a yaml document is empty (contains only comments)
+//
+// This function validate emptiness of yaml if comment-only single documents, 
+// and strings with multiple documents where all docs are comment-only.
 func IsEmptyYamlDocument(document Document) bool {
 	for _, line := range strings.Split(string(document), "\n") {
 		line := strings.TrimSpace(line)
-		if line != "" && !strings.HasPrefix(line, "#") && !strings.HasPrefix(line, "---") {
+		if line != "" && !strings.HasPrefix(line, "#") && line != "---" {
 			return false
 		}
 	}