Flutter Navigator pushAndRemove Help (Not named routes) - flutter

Question

I don't use named routes in the app. Instead followed by the inspiration from FlutterBloc library I use route definitions like this.
class OrganizationPage extends StatelessWidget {
static Route route() {
return MaterialPageRoute<void>(builder: (_) => OrganizationPage());
}
// ....
}
And I navigate using...
Navigator.push(
context,
LoginPage.route(),
);
Assume from the point of loading the OrganizationPage I have navigated few times. I want a button press that will pop OrganizationPage route + every thing else on top of it and load a new page. How can this be done?
I thought of doing some thing like this...
Navigator.pushAndRemoveUntil(
context,
HomePage.route(),
(Route<dynamic> route) {
// print("Checking route: $route");
// return route.builder.toString().contains("OrganizationPage")
// `builder` is not available, even though it did in the debugger.
},
);
Can what I want be done? If so how?
I assume if I use named routes it might be easier? Unfortunately I have written a lot of code and prefer to avoid a refactor. Also this way I can accept any args to a page easily.
Thanks in advance.

Answer 1

Tried (Route<dynamic> route) => route.settings.name == "/OrganizationPage" ?
Update
Using the method highlighted in the question doesn't result a route name. But a route name can be provided explicitly.
static Route route() {
return MaterialPageRoute<void>(
builder: (_) => OrganizationPage(),
settings: RouteSettings(name: '/OrganizationPage'),
);
}
Now that the route has a name, we can use
Navigator.pushAndRemoveUntil(
context,
HomePage.route(),
(Route<dynamic> route) => route.settings.name == OrganzationPage.route().settings.name;
);