refactor: ♻️ remove code duplication

routes/_middleware.ts

@@ -10,12 +10,10 @@ export async function handler(request: Request, ctx: FreshContext) {
 		response.headers.set('Service-Worker-Allowed', '/')
 	}
 
-	const cookies = getCookies(request.headers)
-
 	// Start session
-	if (SessionStore.getSession(cookies['_SESSION'] ?? '') === undefined) {
+	if (SessionStore.getFromRequest(request) === undefined) {
 		// Clear outdated cookies
-		for (const cookie in cookies) {
+		for (const cookie in getCookies(request.headers)) {
 			setCookie(response.headers, {
 				name: cookie,
 				value: '',