index.ts

import { DrizzleSQLiteAdapter } from "@lucia-auth/adapter-drizzle";
import { db } from "../db";
import { sessions, users } from "../db/schema";
import { Lucia } from "lucia";

declare module "lucia" {
  interface Register {
    Lucia: typeof Lucia;
    DatabaseUserAttributes: DatabaseUserAttributes;
  }
}

interface DatabaseUserAttributes {
  username: string;
}

const adapter = new DrizzleSQLiteAdapter(db, sessions, users);
export const auth = new Lucia(adapter, {
  sessionCookie: {
    attributes: {
      secure: import.meta.env.PROD,
    },
  },
  getUserAttributes: (attributes) => {
    return {
      // attributes has the type of DatabaseUserAttributes
      username: attributes.username,
    };
  },
});