Don’t override explicit disabled prop for components inside <MenuItem>

packages/@headlessui-react/src/components/menu/menu.test.tsx

@@ -448,6 +448,47 @@ describe('Rendering', () => {
         assertMenu({ state: MenuState.InvisibleUnmounted })
       })
     )
+
+    it('should not override an explicit disabled prop on MenuItems child', async () => {
+      render(
+        <Menu>
+          <Menu.Button>Trigger</Menu.Button>
+          <Menu.Items>
+            <Menu.Item>{({ disabled }) => <button disabled={disabled}>Item A</button>}</Menu.Item>
+            <Menu.Item>{({ disabled }) => <button disabled={disabled}>Item B</button>}</Menu.Item>
+            <Menu.Item disabled>
+              {({ disabled }) => <button disabled={disabled}>Item C</button>}
+            </Menu.Item>
+          </Menu.Items>
+        </Menu>
+      )
+
+      assertMenuButton({
+        state: MenuState.InvisibleUnmounted,
+      })
+      assertMenu({ state: MenuState.InvisibleUnmounted })
+
+      getMenuButton()?.focus()
+
+      await press(Keys.Enter)
+
+      assertMenuButton({
+        state: MenuState.Visible,
+      })
+      assertMenu({ state: MenuState.Visible })
+      assertMenuItem(getMenuItems()[0], {
+        tag: 'button',
+        attributes: { 'data-focus': '' },
+      })
+      assertMenuItem(getMenuItems()[1], {
+        tag: 'button',
+        attributes: {},
+      })
+      assertMenuItem(getMenuItems()[2], {
+        tag: 'button',
+        attributes: { disabled: '' },
+      })
+    })
   })
 
   it('should guarantee the order of DOM nodes when performing actions', async () => {

packages/@headlessui-vue/CHANGELOG.md

@@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Expose `disabled` state on `<Tab />` component ([#2918](https://github.com/tailwindlabs/headlessui/pull/2918))
 - Prevent default behaviour when clicking outside of a `DialogPanel` ([#2919](https://github.com/tailwindlabs/headlessui/pull/2919))
+- Don’t override explicit `disabled` prop for components inside `<MenuItem>` ([#2929](https://github.com/tailwindlabs/headlessui/pull/2929))
 
 ## [1.7.17] - 2024-01-08
 

packages/@headlessui-vue/src/components/menu/menu.test.tsx

@@ -686,6 +686,53 @@ describe('Rendering', () => {
       })
     })
 
+    it('should not override an explicit disabled prop on MenuItems child', async () => {
+      renderTemplate(jsx`
+        <Menu>
+          <MenuButton>Trigger</MenuButton>
+          <MenuItems>
+            <MenuItem v-slot="{ active, disabled }">
+              <button :data-active="active" :disabled="disabled">Item A</button>
+            </MenuItem>
+            <MenuItem v-slot="{ active, disabled }">
+              <button :data-active="active" :disabled="disabled">Item B</button>
+            </MenuItem>
+            <MenuItem disabled v-slot="{ active, disabled }">
+              <button :data-active="active" :disabled="disabled">Item C</button>
+            </MenuItem>
+          </MenuItems>
+        </Menu>
+      `)
+
+      assertMenuButton({
+        state: MenuState.InvisibleUnmounted,
+        attributes: { id: 'headlessui-menu-button-1' },
+      })
+      assertMenu({ state: MenuState.InvisibleUnmounted })
+
+      getMenuButton()?.focus()
+
+      await press(Keys.Enter)
+
+      assertMenuButton({
+        state: MenuState.Visible,
+        attributes: { id: 'headlessui-menu-button-1' },
+      })
+      assertMenu({ state: MenuState.Visible })
+      assertMenuItem(getMenuItems()[0], {
+        tag: 'button',
+        attributes: { 'data-active': 'true' },
+      })
+      assertMenuItem(getMenuItems()[1], {
+        tag: 'button',
+        attributes: { 'data-active': 'false' },
+      })
+      assertMenuItem(getMenuItems()[2], {
+        tag: 'button',
+        attributes: { 'data-active': 'false', disabled: '' },
+      })
+    })
+
     it('should yell when we render a MenuItem using a template `as` prop that contains multiple children', async () => {
       expect.hasAssertions()
 
@@ -712,7 +759,6 @@ describe('Rendering', () => {
                 'The current component <MenuItem /> is rendering a "template".',
                 'However we need to passthrough the following props:',
                 '  - aria-disabled',
-                '  - disabled',
                 '  - id',
                 '  - onClick',
                 '  - onFocus',

packages/@headlessui-vue/src/components/menu/menu.ts

@@ -563,16 +563,14 @@ export let MenuItem = defineComponent({
     }
 
     return () => {
-      let { disabled } = props
+      let { id, disabled, ...theirProps } = props
       let slot = { active: active.value, disabled, close: api.closeMenu }
-      let { id, ...theirProps } = props
       let ourProps = {
         id,
         ref: internalItemRef,
         role: 'menuitem',
         tabIndex: disabled === true ? undefined : -1,
         'aria-disabled': disabled === true ? true : undefined,
-        disabled: undefined, // Never forward the `disabled` prop
         onClick: handleClick,
         onFocus: handleFocus,
         onPointerenter: handleEnter,