tweak tree

Author: adolgachev

src/aria/tree/tree.ts

@@ -71,9 +71,9 @@ function sortDirectives(a: HasElement, b: HasElement) {
     '[attr.id]': 'id()',
     '[attr.aria-orientation]': 'orientation()',
     '[attr.aria-multiselectable]': 'multi()',
-    '[attr.aria-disabled]': 'disabled()',
+    '[attr.aria-disabled]': '_pattern.disabled()',
     '[attr.aria-activedescendant]': 'activedescendant()',
-    '[tabindex]': 'tabindex()',
+    '[tabindex]': '_pattern.tabindex()',
     '(keydown)': '_pattern.onKeydown($event)',
     '(pointerdown)': '_pattern.onPointerdown($event)',
     '(focusin)': 'onFocus()',
@@ -141,9 +141,6 @@ export class Tree<V> {
   /** Whether the tree selection follows focus. */
   readonly followFocus = computed(() => this._pattern.followFocus());
 
-  /** The tabindex of the tree. */
-  readonly tabindex = computed(() => this._pattern.tabindex());
-
   /** All currently visible tree items. An item is visible if their parent is expanded. */
   readonly visibleItems = computed(() => this._pattern.visible());
 
@@ -236,11 +233,11 @@ export class Tree<V> {
     '[attr.aria-expanded]': 'expanded()',
     '[attr.aria-selected]': 'selected()',
     '[attr.aria-current]': 'current()',
-    '[attr.aria-disabled]': 'disabled()',
+    '[attr.aria-disabled]': '_pattern.disabled()',
     '[attr.aria-level]': 'level()',
-    '[attr.aria-setsize]': 'setsize()',
+    '[attr.aria-setsize]': '_pattern.setsize()',
     '[attr.aria-posinset]': 'posinset()',
-    '[attr.tabindex]': 'tabindex()',
+    '[attr.tabindex]': '_pattern.tabindex()',
   },
 })
 export class TreeItem<V> extends DeferredContentAware implements OnInit, OnDestroy, HasElement {
@@ -302,12 +299,6 @@ export class TreeItem<V> extends DeferredContentAware implements OnInit, OnDestr
   /** Whether the item is selected. */
   readonly selected = computed(() => this._pattern.selected());
 
-  /** The number of items under the same parent at the same level. */
-  readonly setsize = computed(() => this._pattern.setsize());
-
-  /** The tabindex of the item. */
-  readonly tabindex = computed(() => this._pattern.tabindex());
-
   /** Whether this item is visible. */
   readonly visible = computed(() => this._pattern.visible());