server/src/auth.ts

import { BetterSqlite3Adapter } from "@lucia-auth/adapter-sqlite";
import { Lucia,TimeSpan } from "lucia";
import { getDB } from "./db.js";
import dotenv from "dotenv";
dotenv.config();

const db = getDB();
const adapter = new BetterSqlite3Adapter(db,{user:"users",session:"sessions"});

export const lucia = new Lucia(adapter, {
    sessionExpiresIn:new TimeSpan(10000,"m"),
    sessionCookie: {
        // expires:false,
        attributes: {
            // set to `true` when using HTTPS
            // secure: process.env.NODE_ENV === "production"
            secure: true,
            sameSite: "none",


        }
    },
    getUserAttributes:(attributes)=>{
        return {
            username:attributes.username,
        };
    }
})

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

interface DatabaseUserAttributes{
    username:string;
}