Refresh Token Rotation with NextJs

import { BetterFetchPlugin, createFetch } from '@better-fetch/fetch';
import { auth, signOut } from './auth';
import { BACKEND_URL } from './constants';

const authPlugin: BetterFetchPlugin = {
  id: 'auth',
  name: 'Auth Plugin',
  init: async (url, options = {}) => {
    try {
      const session = await auth();
      const token = session?.user?.accessToken;
      if (!token) {
        console.log('Token is missing, signing out');
        await signOut();
        throw new Error('Authentication token is missing');
      }

      options.headers = {
        ...(options.headers ?? {}),
        Authorization: `Bearer ${token}`
      };
      return { url, options };
    } catch (error) {
      console.error('Error in auth plugin:', error);
      throw error;
    }
  }
};

export const adminFetch = createFetch({
  baseURL: `${BACKEND_URL}/admin`,
  plugins: [authPlugin],
  timeout: 10000,
  throw: false
});