fix(RAC): support hover events for Tabs (#6742)

support hover events for Tab

Author: lithdew

packages/react-aria-components/src/Tabs.tsx

@@ -10,7 +10,7 @@
  * governing permissions and limitations under the License.
  */
 
-import {AriaLabelingProps, forwardRefType, Key, LinkDOMProps, RefObject} from '@react-types/shared';
+import {AriaLabelingProps, forwardRefType, HoverEvents, Key, LinkDOMProps, RefObject} from '@react-types/shared';
 import {AriaTabListProps, AriaTabPanelProps, mergeProps, Orientation, useFocusRing, useHover, useTab, useTabList, useTabPanel} from 'react-aria';
 import {Collection, CollectionBuilder, createHideableComponent, createLeafComponent} from '@react-aria/collections';
 import {CollectionProps, CollectionRendererContext, usePersistedKeys} from './Collection';
@@ -43,7 +43,7 @@ export interface TabListRenderProps {
   state: TabListState<unknown>
 }
 
-export interface TabProps extends RenderProps<TabRenderProps>, AriaLabelingProps, LinkDOMProps {
+export interface TabProps extends RenderProps<TabRenderProps>, AriaLabelingProps, LinkDOMProps, HoverEvents {
   /** The unique id of the tab. */
   id?: Key,
   /** Whether the tab is disabled. */
@@ -252,7 +252,10 @@ export const Tab = /*#__PURE__*/ createLeafComponent('item', (props: TabProps, f
   let {tabProps, isSelected, isDisabled, isPressed} = useTab({key: item.key, ...props}, state, ref);
   let {focusProps, isFocused, isFocusVisible} = useFocusRing();
   let {hoverProps, isHovered} = useHover({
-    isDisabled
+    isDisabled,
+    onHoverStart: props.onHoverStart,
+    onHoverEnd: props.onHoverEnd,
+    onHoverChange: props.onHoverChange
   });
 
   let renderProps = useRenderProps({

packages/react-aria-components/test/Tabs.test.js

@@ -116,7 +116,10 @@ describe('Tabs', () => {
   });
 
   it('should support hover', async () => {
-    let {getAllByRole} = renderTabs({}, {}, {className: ({isHovered}) => isHovered ? 'hover' : ''});
+    let onHoverStart = jest.fn();
+    let onHoverChange = jest.fn();
+    let onHoverEnd = jest.fn();
+    let {getAllByRole} = renderTabs({}, {}, {className: ({isHovered}) => isHovered ? 'hover' : '', onHoverStart, onHoverChange, onHoverEnd});
     let tab = getAllByRole('tab')[0];
 
     expect(tab).not.toHaveAttribute('data-hovered');
@@ -125,10 +128,35 @@ describe('Tabs', () => {
     await user.hover(tab);
     expect(tab).toHaveAttribute('data-hovered', 'true');
     expect(tab).toHaveClass('hover');
+    expect(onHoverStart).toHaveBeenCalledTimes(1);
+    expect(onHoverChange).toHaveBeenCalledTimes(1);
 
     await user.unhover(tab);
     expect(tab).not.toHaveAttribute('data-hovered');
     expect(tab).not.toHaveClass('hover');
+    expect(onHoverEnd).toHaveBeenCalledTimes(1);
+    expect(onHoverChange).toHaveBeenCalledTimes(2);
+  });
+
+  it('should not show hover state when item is not interactive', async () => {
+    let onHoverStart = jest.fn();
+    let onHoverChange = jest.fn();
+    let onHoverEnd = jest.fn();
+    let {getAllByRole} = renderTabs({disabledKeys: ['a', 'b', 'c']}, {}, {className: ({isHovered}) => isHovered ? 'hover' : '', onHoverStart, onHoverChange, onHoverEnd});
+    let tab = getAllByRole('tab')[0];
+
+    expect(tab).not.toHaveAttribute('data-hovered');
+    expect(tab).not.toHaveClass('hover');
+    expect(onHoverStart).not.toHaveBeenCalled();
+    expect(onHoverChange).not.toHaveBeenCalled();
+    expect(onHoverEnd).not.toHaveBeenCalled();
+
+    await user.hover(tab);
+    expect(tab).not.toHaveAttribute('data-hovered');
+    expect(tab).not.toHaveClass('hover');
+    expect(onHoverStart).not.toHaveBeenCalled();
+    expect(onHoverChange).not.toHaveBeenCalled();
+    expect(onHoverEnd).not.toHaveBeenCalled();
   });
 
   it('should support focus ring', async () => {