import type { GetSession, Handle } from "@sveltejs/kit" import config from "$lib/server/config" export const getSession: GetSession = async () => { return { title: config.title, } } export const handle: Handle = async ({ event, resolve }) => { const { request } = event if (request.method === "OPTIONS") { const headers: { [name: string]: string } = { "Access-Control-Allow-Methods": "GET, OPTIONS", "Access-Control-Allow-Origin": "*", } const vary: string[] = [] const allowedHeaders = request.headers .get("Access-Control-Request-Headers") ?.split(",") .map((name) => name.trim()) ?? [] if (allowedHeaders.length > 0) { vary.push("Access-Control-Request-Headers") headers["Access-Control-Allow-Headers"] = allowedHeaders.join(", ") } if (vary.length > 0) { headers["Vary"] = vary.join(", ") } return new Response(null, { status: 204, headers }) } return await resolve(event) }