Source

// One Bounded session per tab: a guest account, created on first use. No sign-up, ever.
import { init, getCurrentUser, signInAnonymously } from "@bounded-sh/client";
import { APP_ID } from "../../functions/lib/config";

/** The app this page is served for: the host injects it, so a preview talks to its own data. Local dev falls back to config. */
export const SERVED_APP_ID =
  (typeof document !== "undefined" && document.getElementById("__bounded-first-live-bridge")?.getAttribute("data-app-id")) || APP_ID;

let session: Promise<string> | null = null;

/** Resolves to this browser's guest user id, signing in once. */
export function me(): Promise<string> {
  session ??= (async () => {
    await init({ appId: SERVED_APP_ID });
    const user = getCurrentUser() || (await signInAnonymously());
    if (!user?.id) throw new Error("Could not start a guest session.");
    return user.id as string;
  })().catch((err) => {
    session = null;
    throw err;
  });
  return session;
}