kidarr-server/src/server/auth.ts

import { DrizzleAdapter } from "@auth/drizzle-adapter";
import {
  getServerSession,
  type DefaultSession,
  type NextAuthOptions,
} from "next-auth";
import GoogleProvider from "next-auth/providers/google";

import { env } from "@/env";
import { db } from "@/server/db";
import { Adapter } from "next-auth/adapters";
/**
 * Module augmentation for `next-auth` types. Allows us to add custom properties to the `session`
 * object and keep type safety.
 *
 * @see https://next-auth.js.org/getting-started/typescript#module-augmentation
 */
declare module "next-auth" {
  interface Session extends DefaultSession {
    user: {
      id: string;
      // ...other properties
      // role: UserRole;
    } & DefaultSession["user"];
  }

  // interface User {
  //   // ...other properties
  //   // role: UserRole;
  // }
}

/**
 * Options for NextAuth.js used to configure adapters, providers, callbacks, etc.
 *
 * @see https://next-auth.js.org/configuration/options
 */
export const authOptions: NextAuthOptions = {
  adapter: DrizzleAdapter(db) as Adapter,
  callbacks: {
    session: async ({ session, token }) => {
      if (session?.user) {
        session.user.id = token.sub ?? "";
      }
      return session;
    },
    jwt: async ({ user, token }) => {
      if (user) {
        token.uid = user.id;
      }
      return token;
    },
  },
  session: {
    strategy: "jwt",
  },
  providers: [
    GoogleProvider({
      clientId: env.GOOGLE_CLIENT_ID,
      clientSecret: env.GOOGLE_CLIENT_SECRET,
    }),
  ],
};

/**
 * Wrapper for `getServerSession` so that you don't need to import the `authOptions` in every file.
 *
 * @see https://next-auth.js.org/configuration/nextjs
 */
export const getServerAuthSession = () => getServerSession(authOptions);