Fix useOutsideClick, add improvements for ShadowDOM (#1914)

* Fix `useOutsideClick` not closing when clicking in ShadowDOM

https://github.com/tailwindlabs/headlessui/pull/1876#issuecomment-1264742366

* use `getRootNode` in `useOutsideClick` for Vue

* update changelog

* run prettier

Co-authored-by: Theodore Messinezis <7229472+theomessin@users.noreply.github.com>

packages/@headlessui-react/CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Fix `<Popover.Button as={Fragment} />` crash ([#1889](https://github.com/tailwindlabs/headlessui/pull/1889))
 - Expose `close` function for `Menu` and `Menu.Item` components ([#1897](https://github.com/tailwindlabs/headlessui/pull/1897))
+- Fix `useOutsideClick`, add improvements for ShadowDOM ([#1914](https://github.com/tailwindlabs/headlessui/pull/1914))
 
 ### Added
 

packages/@headlessui-react/src/hooks/use-outside-click.ts

@@ -60,7 +60,7 @@ export function useOutsideClick(
     }
 
     // Ignore if the target doesn't exist in the DOM anymore
-    if (!target.ownerDocument.documentElement.contains(target)) return
+    if (!target.getRootNode().contains(target)) return
 
     // Ignore if the target exists in one of the containers
     for (let container of _containers) {

packages/@headlessui-vue/CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - Expose `close` function for `Menu` and `MenuItem` components ([#1897](https://github.com/tailwindlabs/headlessui/pull/1897))
+- Fix `useOutsideClick`, add improvements for ShadowDOM ([#1914](https://github.com/tailwindlabs/headlessui/pull/1914))
 
 ## [1.7.3] - 2022-09-30
 

packages/@headlessui-vue/src/hooks/use-outside-click.ts

@@ -30,7 +30,7 @@ export function useOutsideClick(
     }
 
     // Ignore if the target doesn't exist in the DOM anymore
-    if (!target.ownerDocument.documentElement.contains(target)) return
+    if (!target.getRootNode().contains(target)) return
 
     let _containers = (function resolve(containers): ContainerCollection {
       if (typeof containers === 'function') {