Patrycjaf/use tree navigation return type (#35283)

Co-authored-by: Patrycja Fogelman <patrycja.fogelman@microsoft.com>

Author: fogelek

change/@fluentui-react-tree-acb8ed6f-d040-4782-9d25-a9411ee6bb80.json

@@ -0,0 +1,7 @@
+{
+  "type": "minor",
+  "comment": "added return type to useTreeNavigation hook",
+  "packageName": "@fluentui/react-tree",
+  "email": "patrycja.fogelman@microsoft.com",
+  "dependentChangeType": "patch"
+}

packages/react-components/react-tree/library/etc/react-tree.api.md

@@ -466,7 +466,7 @@ export const useTreeItemStyles_unstable: (state: TreeItemState) => TreeItemState
 
 // @public
 export function useTreeNavigation(navigationMode?: TreeNavigationMode): {
-    navigate: (data: TreeNavigationData_unstable, focusOptions?: FocusOptions) => void;
+    navigate: (data: TreeNavigationData_unstable, focusOptions?: FocusOptions) => HTMLElement | null;
     treeRef: React_2.RefCallback<HTMLElement>;
     forceUpdateRovingTabIndex: () => void;
 };

packages/react-components/react-tree/library/src/hooks/useTreeNavigation.ts

@@ -17,7 +17,7 @@ import { useFocusFinders } from '@fluentui/react-tabster';
  * @param navigationMode - the navigation mode of the tree, 'tree' (default) or 'treegrid'
  */
 export function useTreeNavigation(navigationMode: TreeNavigationMode = 'tree'): {
-  navigate: (data: TreeNavigationData_unstable, focusOptions?: FocusOptions) => void;
+  navigate: (data: TreeNavigationData_unstable, focusOptions?: FocusOptions) => HTMLElement | null;
   treeRef: React.RefCallback<HTMLElement>;
   forceUpdateRovingTabIndex: () => void;
 } {