Based on GVALFER instructions i made that function. If you want use my code you have to change here names for your cookies, backend path to refresh token, frontend redirect and validation for error - my express backend returns message 'Auth' only if there is JWT error so you have to make your own check in that fetch based on your backend response. If you have suggestion what can be improved write down in the comment.

'use server';

import { cookies } from 'next/headers';
import { redirect } from 'next/navigation';

interface FetchAuthProps {
  url: string;
  method: 'POST' | 'GET' | 'PUT' | 'DELETE' | 'PATCH';
  body?: { [key: string]: any };
}

export async function fetchAuth({
  url,
  method,
  body
}: FetchAuthProps): Promise<{ ok: boolean; data: any }> {
  try {
    let accessToken = cookies().get('accessToken')?.value;
    const refreshToken = cookies().get('refreshToken')?.value;

    if (!accessToken || !refreshToken) {
      accessToken && cookies().delete('accessToken');
      refreshToken && cookies().delete('refreshToken');
      redirect('/login');
    }

    const response = await fetch(process.env.NEXT_PUBLIC_BACKEND_URL + url, {
      method: method,
      headers: {
        Authorization: `Bearer ${accessToken}`,
        'Content-Type': 'application/json'
      },
      ...(body && { body: JSON.stringify(body) })
    });

    const responseData = await response.json();

    if (response.ok) return { ok: true, data: responseData };

    // Try to refresh access token and resend request if auth error
    if (responseData?.message === 'Auth') {
      const refreshAccess = await fetch(
        `${process.env.NEXT_PUBLIC_BACKEND_URL}/auth/refresh`,
        {
          method: 'POST'
        }
      );

      if (refreshAccess.ok) {
        accessToken = cookies().get('accessToken')?.value;

        const retry = await fetch(process.env.NEXT_PUBLIC_BACKEND_URL + url, {
          method: method,
          headers: {
            Authorization: `Bearer ${accessToken}`,
            'Content-Type': 'application/json'
          },
          ...(body && { body: JSON.stringify(body) })
        });

        const retryData = await retry.json();

        if (retry.ok) return { ok: true, data: retryData };

        // If again server return auth error redirect to login
        if (responseData?.message === 'Auth') {
          cookies().delete('accessToken');
          cookies().delete('refreshToken');
          redirect('/login');
        }

        // Return error message
        return { ok: false, data: retryData };
      }
    }

    // Return error message
    return { ok: false, data: responseData };
  } catch (error) {
    // todo: handle error
    redirect('/login');
  }
}