fix types for NestedValue type

Author: kotarella1110

src/types.ts

@@ -1,4 +1,4 @@
-import { Control } from 'react-hook-form';
+import { NestedValue, Control } from 'react-hook-form';
 
 export type ArrayWithLength<N extends number> = { [K in N]: any };
 
@@ -104,6 +104,14 @@ export type DeepPathValue<
   ? TValues[TPath]
   : any;
 
+export type NonUndefined<T> = T extends undefined ? never : T;
+
+export type UnpackNestedValue<T> = NonUndefined<T> extends NestedValue<infer U>
+  ? U
+  : NonUndefined<T> extends object
+  ? { [K in keyof T]: UnpackNestedValue<T[K]> }
+  : T;
+
 export type FieldValuesFromControl<
   TControl extends Control
 > = TControl extends Control<infer TFieldValues> ? TFieldValues : never;

src/useTypedController.tsx

@@ -3,13 +3,14 @@ import { Controller, Control } from 'react-hook-form';
 import { formatName } from './logic/formatName';
 import {
   DeepPath,
+  UnpackNestedValue,
   FieldValuesFromControl,
   Options,
   ControllerProps,
 } from './types';
 
 export const useTypedController = <
-  TFieldValues extends FieldValuesFromControl<TControl>,
+  TFieldValues extends UnpackNestedValue<FieldValuesFromControl<TControl>>,
   TControl extends Control = Control
 >({
   control,