Fix useMenuItem onAction regression (adobe#6807)

packages/@react-aria/menu/src/useMenuItem.ts

@@ -133,6 +133,8 @@ export function useMenuItem<T>(props: AriaMenuItemProps, state: TreeState<T>, re
 
     if (item?.props?.onAction) {
       item.props.onAction();
+    } else if (props.onAction) {
+      props.onAction(key);
     }
 
     if (data.onAction) {

packages/@react-aria/menu/test/useMenu.test.tsx

@@ -0,0 +1,77 @@
+/*
+ * Copyright 2020 Adobe. All rights reserved.
+ * This file is licensed to you under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License. You may obtain a copy
+ * of the License at http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under
+ * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
+ * OF ANY KIND, either express or implied. See the License for the specific language
+ * governing permissions and limitations under the License.
+ */
+
+import {AriaMenuProps, useMenu, useMenuItem} from '../';
+import {Item} from '@react-stately/collections';
+import {pointerMap, render} from '@react-spectrum/test-utils-internal';
+import React from 'react';
+import userEvent from '@testing-library/user-event';
+import {useTreeState} from '@react-stately/tree';
+
+function Menu<T extends object>(props: AriaMenuProps<T> & {onSelect: () => void}) {
+  // Create menu state based on the incoming props
+  let state = useTreeState(props);
+
+  // Get props for the menu element
+  let ref = React.useRef(null);
+  let {menuProps} = useMenu(props, state, ref);
+
+  return (
+    <ul {...menuProps} ref={ref}>
+      {[...state.collection].map((item) => (
+        <MenuItem key={item.key} item={item} state={state} onAction={props.onSelect} />
+      ))}
+    </ul>
+  );
+}
+
+function MenuItem({item, state, onAction}) {
+  // Get props for the menu item element
+  let ref = React.useRef(null);
+  let {menuItemProps, isSelected} = useMenuItem(
+    {key: item.key, onAction},
+    state,
+    ref
+  );
+
+  return (
+    <li {...menuItemProps} ref={ref}>
+      {item.rendered}
+      {isSelected && <span aria-hidden="true">✅</span>}
+    </li>
+  );
+}
+
+describe('useMenuTrigger', function () {
+  let user;
+  beforeAll(() => {
+    user = userEvent.setup({delay: null, pointerMap});
+    jest.useFakeTimers();
+  });
+
+  afterEach(() => {
+  });
+
+  it('calls an onAction passed directly to useMenuItem', async () => {
+    let onSelect = jest.fn();
+    let {getAllByRole} = render(
+      <Menu onSelect={onSelect} aria-label={'test menu'}>
+        <Item key="1">One</Item>
+        <Item key="2">Two</Item>
+        <Item key="3">Three</Item>
+      </Menu>
+    );
+    let items = getAllByRole('menuitem');
+    await user.click(items[0]);
+    expect(onSelect).toHaveBeenCalledTimes(1);
+  });
+});