Initial commit

node_modules/@fluentui/react-tabster/lib/hooks/useFocusedElementChange.js

@@ -0,0 +1,17 @@
+import { useTabster } from './useTabster';
+import * as React from 'react';
+/**
+ * Subscribes to the tabster focused element. Calls the callback when the focused element changes.
+ * @param callback - Callback to subscribe to the focused element.
+ */ export function useFocusedElementChange(callback) {
+    const tabster = useTabster();
+    React.useEffect(()=>{
+        if (tabster) {
+            tabster.focusedElement.subscribe(callback);
+            return ()=>tabster.focusedElement.unsubscribe(callback);
+        }
+    }, [
+        tabster,
+        callback
+    ]);
+}