How to check which the current Route is?

Question

I want to navigate to different Routes using a Drawer, though I do not want to open a new instance of a Route each time I tap on it if I am already on that Route, rather I would

Answer 1

This is a perfect use case for Dart extension methods (based on Rémi Rousselet's answer):

extension NavigatorStateExtension on NavigatorState {

  void pushNamedIfNotCurrent( String routeName, {Object arguments} ) {
    if (!isCurrent(routeName)) {
      pushNamed( routeName, arguments: arguments );
    }
  }

  bool isCurrent( String routeName ) {
    bool isCurrent = false;
    popUntil( (route) {
      if (route.settings.name == routeName) {
        isCurrent = true;
      }
      return true;
    } );
    return isCurrent;
  }

}

Then it looks as clean as this:

Navigator.of(context).pushNamedIfNotCurrent('/NewRoute');