Archivo de configuración del NextAuth

route.ts

import NextAuth from 'next-auth';
import type { NextAuthOptions } from 'next-auth';
import CredentialsProvider from 'next-auth/providers/credentials';
import User from '@/models/userModel';
import { connectDb } from '@/utils/connect';
import bcrypt from 'bcryptjs';

const authOptions: NextAuthOptions = {
  providers: [
    CredentialsProvider({
      id: 'credentials',
      name: 'Credentials',
      credentials: {
        email: { label: 'Email', type: 'text' },
        password: { label: 'Password', type: 'text' },
      },
      async authorize(credentials: any) {
        await connectDb();
        try {
          const user = await User.findOne({ email: credentials.email });

          if (user) {
            const isPasswordCorrect = await bcrypt.compare(
              credentials.password,
              user.password
            );
            if (isPasswordCorrect) {
              return user;
            }
          }
        } catch (err: any) {
          throw new Error(err);
        }
      },
    }),
  ],
  callbacks: {
    async signIn({ user, account, profile, email, credentials }) {
      return true
    },
    async redirect({ url, baseUrl }) {
      return baseUrl
    },
    async session({ session, user, token }) {
      return session
    },
    async jwt({ token, user, account, profile, isNewUser }) {
      return token
    }
  },
};

const handler = NextAuth(authOptions);
export { handler as GET, handler as POST };