This is a no-op, but I may not have changed _all_ of the host bindings or listeners in this CL (please await upcoming CLs). The host: const { ... } syntax is deprecated.

PiperOrigin-RevId: 197055857

Author: matanlurey

lib/material_tab/material_tab.dart

@@ -48,12 +48,6 @@ abstract class Tab extends Focusable {
 ///     </material-tab-panel>
 @Component(
   selector: 'material-tab',
-  host: const {
-    'role': 'tabpanel',
-    '[attr.id]': 'panelId',
-    '[attr.aria-labelledby]': 'tabId',
-    '[class.material-tab]': 'active',
-  },
   providers: const [
     const Provider(Tab, useExisting: MaterialTabComponent),
     const Provider(DeferredContentAware, useExisting: MaterialTabComponent)
@@ -67,6 +61,9 @@ abstract class Tab extends Focusable {
 )
 class MaterialTabComponent extends RootFocusable
     implements Tab, DeferredContentAware {
+  @HostBinding('attr.role')
+  static const hostRole = 'tabpanel';
+
   final String _uuid;
   final _visible = new StreamController<bool>.broadcast(sync: true);
 
@@ -95,13 +92,16 @@ class MaterialTabComponent extends RootFocusable
   Stream<bool> get contentVisible => _visible.stream;
 
   /// Whether the tab is active.
+  @HostBinding('class.material-tab')
   bool get active => _active;
   bool _active = false;
 
   /// HTML ID for the panel.
+  @HostBinding('attr.id')
   String get panelId => 'panel-$_uuid';
 
   /// HTML ID for the tab.
+  @HostBinding('attr.aria-labelledby')
   @override
   String get tabId => 'tab-$_uuid';
 }

lib/src/material_tree/group/material_tree_group.dart

@@ -38,11 +38,13 @@ const materialTreeLeftPaddingToken = const OpaqueToken(
     NgIf,
     NgClass
   ],
-  host: const {'role': 'group'},
   templateUrl: 'material_tree_group.html',
   styleUrls: const ['material_tree_group.scss.css'],
 )
 class MaterialTreeGroupComponent extends MaterialTreeNode implements OnDestroy {
+  @HostBinding('attr.role')
+  static const hostRole = 'group';
+
   static final defaultConstantLeftPadding = 24;
   static final baseGridStep = 8; // Based on $mat-grid
   static final rowIndentationStep =