auth.ts

import NextAuth from "next-auth";
import { PrismaAdapter } from "@auth/prisma-adapter";
import { getUserById } from "./app/data/data";
import { db } from "./app/utils/db";
import authConfig from "./auth.config";

export const {
    handlers : {GET, POST},
    auth,
    signIn,
    signOut,
} = NextAuth({
    callbacks : {
        async session({token,session}) {
      
            if(token.sub && session.user) {
              session.user.id = token.sub
            }
            return session
          },
          async jwt({token}) {
            if(!token.sub) return token
      
            const existingUser = await getUserById(token.sub)
      
            if(!existingUser) return token
            
            return token
          }
    },
    adapter : PrismaAdapter(db),
    session : {strategy : "jwt"},
    ...authConfig
})