anchor.diff:  
     ButtonElement get _samplesDropdownButton =>
         querySelector('#samples-dropdown-button') as ButtonElement;
  -
  -  MDCMenu get _samplesMenu => _initSamplesMenu();
   
     ButtonElement get _channelsDropdownButton =>
         querySelector('#channels-dropdown-button') as ButtonElement;
  
positive.code:     _initGistStorage();
      _initLayoutDetection();
      _initButtons();
      _initSamplesMenu();
      _initMoreMenu();
      _initSplitters();
      _initTabs();
      showHome();
    }
  
  
negative.code:         .listen((e) => _toggleMenu(_channelsMenu));
    }
  
    MDCMenu _buildSamplesMenu() {
      final element = querySelector('#samples-menu')!;
      element.children.clear();
  
      const samples = [
        Sample('e75b493dae1287757c5e1d77a0dc73f1', 'Counter', Layout.flutter),
        Sample('5c0e154dd50af4a9ac856908061291bc', 'Sunflower', Layout.flutter),
        Sample('a1d5666d6b54a45eb170b897895cf757', 'Draggables & physics',
  