@using Microsoft.AspNetCore.Components.Routing

<Router AppAssembly="@typeof(App).Assembly">
    <Found Context="routeData">
        <RouteView RouteData="routeData" DefaultLayout="@typeof(MainLayout)"/>
    </Found>
    <NotFound>
        <LayoutView Layout="@typeof(MainLayout)">
            <p>404 – nie znaleziono strony</p>
        </LayoutView>
    </NotFound>
</Router>