Untitled

import React, { useRef } from "react";
import { useForm } from "react-hook-form";

export default function App() {
  const { register, handleSubmit } = useForm();
  const contohCustomRef = useRef(null);

  const registerInputA = register("nama_input_a");

  return (
    <form onSubmit={handleSubmit(onSubmit)}>
      <input
        name="dobYear"
        type="text"
        {...registerInputA}
        ref={(e) => {
          registerInputA.ref(e);
          contohCustomRef.current = e;
        }}
      />
      <button>Submit</button>
    </form>
  );
}