fosrl.pangolin/server/routers/auth/logout.ts

import { Request, Response, NextFunction } from "express";
import { lucia } from "@server/auth";
import createHttpError from "http-errors";
import HttpCode from "@server/types/HttpCode";
import response from "@server/utils/response";

export async function logout(
    req: Request,
    res: Response,
    next: NextFunction,
): Promise<any> {
    const sessionId = req.cookies[lucia.sessionCookieName];

    if (!sessionId) {
        return next(
            createHttpError(
                HttpCode.BAD_REQUEST,
                "You must be logged in to sign out",
            ),
        );
    }

    await lucia.invalidateSession(sessionId);
    res.setHeader("Set-Cookie", lucia.createBlankSessionCookie().serialize());

    return response<null>(res, {
        data: null,
        success: true,
        error: false,
        message: "Logged out successfully",
        status: HttpCode.OK,
    });
}