import { writable } from 'svelte/store'; // Create a writable store with initial value of null export const user = writable(null); // Function to set user data export const setUserData = async (sessionID) => { const userID = await getUserID(sessionID); // your function to fetch user ID based on session ID user.set({ sessionID, userID }); }; getUserID = async (sessionID) => { console.log("SessionID: ", sessionID); return 1234; };