Added auth!

src/hooks.server.ts

@@ -0,0 +1,32 @@
+import { lucia } from "$lib/server/auth";
+import type { Handle } from "@sveltejs/kit";
+
+export const handle: Handle = async ({ event, resolve }) => {
+  const sessionId = event.cookies.get(lucia.sessionCookieName);
+  if (!sessionId) {
+    event.locals.user = null;
+    event.locals.session = null;
+    return resolve(event);
+  }
+
+  const { session, user } = await lucia.validateSession(sessionId);
+  if (session && session.fresh) {
+    const sessionCookie = lucia.createSessionCookie(session.id);
+    // sveltekit types deviates from the de-facto standard
+    // you can use 'as any' too
+    event.cookies.set(sessionCookie.name, sessionCookie.value, {
+      path: ".",
+      ...sessionCookie.attributes,
+    });
+  }
+  if (!session) {
+    const sessionCookie = lucia.createBlankSessionCookie();
+    event.cookies.set(sessionCookie.name, sessionCookie.value, {
+      path: ".",
+      ...sessionCookie.attributes,
+    });
+  }
+  event.locals.user = user;
+  event.locals.session = session;
+  return resolve(event);
+};