taskgraph

var FormatFunc FormatFuncType = func(graph *TaskGraph, format string, withTaskRef bool) (string, error) {
	switch strings.ToLower(format) {
	case "dot":
		if withTaskRef {
			return graph.ToDOTWithTaskRef().String(), nil
		}
		return graph.ToDOT().String(), nil
	case "puml":
		if withTaskRef {
			return graph.ToPlantUMLWithTaskRef(), nil
		}
		return graph.ToPlantUML(), nil
	case "mmd":
		if withTaskRef {
			return graph.ToMermaidWithTaskRef(), nil
		}
		return graph.ToMermaid(), nil
	default:
		return "", fmt.Errorf("Invalid output format: %s", format)
	}
}