chat-ui / src /hooks.server.ts
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import { dev } from "$app/environment";
import { COOKIE_NAME } from "$env/static/private";
import type { Handle } from "@sveltejs/kit";
import { PUBLIC_GOOGLE_ANALYTICS_ID } from "$env/static/public";
import { addYears } from "date-fns";
export const handle: Handle = async ({ event, resolve }) => {
const token = event.cookies.get(COOKIE_NAME);
event.locals.sessionId = token || crypto.randomUUID();
// Refresh cookie expiration date
event.cookies.set(COOKIE_NAME, event.locals.sessionId, {
path: "/",
// So that it works inside the space's iframe
sameSite: dev ? "lax" : "none",
secure: !dev,
httpOnly: true,
expires: addYears(new Date(), 1),
});
let replaced = false;
const response = await resolve(event, {
transformPageChunk: (chunk) => {
// For some reason, Sveltekit doesn't let us load env variables from .env in the app.html template
if (replaced || !chunk.html.includes("%gaId%")) {
return chunk.html;
}
replaced = true;
return chunk.html.replace("%gaId%", PUBLIC_GOOGLE_ANALYTICS_ID);
},
});
return response;
};