readme.md

Created with <3 with dartpad.dev.

main.dart

class NavigationItem {
  final String url;
  final String label;
  final List<NavigationItem> children;

  NavigationItem(
      {required this.url, required this.children, required this.label});

  @override
  String toString() {
    var output = "$label: $url\n";
    for (var child in children) {
      output += "\t--" + child.toString();
    }

    return output;
  }


  void printNavigationItem() {
    print(toString());
  }
}

void printAllExceptTopLevel(NavigationItem top){
  for(var child in top.children){
    print(child.toString());
  }
}
  
  

void main() {
  var parents = <NavigationItem>[];
  for (int j = 0; j < 5; j++) {
    var childrens = <NavigationItem>[];
    for (var i = 0; i < 10; i++) {
      childrens.add(
        NavigationItem(
          label: "name" + i.toString(),
          url: "testingURL",
          children: [],
        ),
      );
    }
    parents.add(NavigationItem(
        children: childrens, label: "parent ${j.toString()}", url: "testing"));
  }
  var top =
      NavigationItem(children: parents, label: "Top level", url: "testing");
  printAllExceptTopLevel(top);
}