nuxt4-demo/server/utils/session-cookie.ts

import type { H3Event } from "h3";
import { getCookie, setCookie, deleteCookie } from "h3";

export const SESSION_COOKIE_NAME = "pp_session";

export function readSessionIdFromCookie(event: H3Event): string | undefined {
  return getCookie(event, SESSION_COOKIE_NAME);
}

export function writeSessionCookie(
  event: H3Event,
  sessionId: string,
  maxAgeSeconds: number,
): void {
  const secure = process.env.NODE_ENV === "production";
  const domain = process.env.COOKIE_DOMAIN?.trim() || undefined;
  setCookie(event, SESSION_COOKIE_NAME, sessionId, {
    httpOnly: true,
    sameSite: "lax",
    secure,
    path: "/",
    maxAge: maxAgeSeconds,
    domain,
  });
}

export function clearSessionCookie(event: H3Event): void {
  const secure = process.env.NODE_ENV === "production";
  const domain = process.env.COOKIE_DOMAIN?.trim() || undefined;
  deleteCookie(event, SESSION_COOKIE_NAME, {
    path: "/",
    httpOnly: true,
    sameSite: "lax",
    secure,
    domain,
  });
}