func OverlayYAML()

in pkg/dubboctl/internal/util/yaml.go [58:90]

• 31 lines of code
• 9 McCabe index (conditional complexity)

func OverlayYAML(base, overlay string) (string, error) {
	if strings.TrimSpace(base) == "" {
		return overlay, nil
	}
	if strings.TrimSpace(overlay) == "" {
		return base, nil
	}
	bj, err := yaml.YAMLToJSON([]byte(base))
	if err != nil {
		return "", fmt.Errorf("yamlToJSON error in base: %s\n%s", err, bj)
	}
	oj, err := yaml.YAMLToJSON([]byte(overlay))
	if err != nil {
		return "", fmt.Errorf("yamlToJSON error in overlay: %s\n%s", err, oj)
	}
	if base == "" {
		bj = []byte("{}")
	}
	if overlay == "" {
		oj = []byte("{}")
	}

	merged, err := jsonpatch.MergePatch(bj, oj)
	if err != nil {
		return "", fmt.Errorf("json merge error (%s) for base object: \n%s\n override object: \n%s", err, bj, oj)
	}
	my, err := yaml.JSONToYAML(merged)
	if err != nil {
		return "", fmt.Errorf("jsonToYAML error (%s) for merged object: \n%s", err, merged)
	}

	return string(my), nil
}