refactor load function to improve start date calculation based on interval

Author: rbjornstad

src/routes/team/[team]/[env]/app/[app]/utilization2/+page.ts

@@ -1,25 +1,26 @@
 import { load_ResourceUtilizationForApp2 } from '$houdini';
 import type { PageLoad } from './$houdini';
 
-export const ssr = false;
-export const load: PageLoad = async (event) => {
-	const interval = event.url.searchParams.get('interval');
-	const end = new Date(Date.now());
-	let start = new Date(Date.now() - 7 * 24 * 1000 * 60 * 60);
+function getStart(interval: string | null) {
 	switch (interval) {
 		case '1h':
-			start = new Date(Date.now() - 1000 * 60 * 60);
-			break;
+			return new Date(Date.now() - 1000 * 60 * 60);
 		case '6h':
-			start = new Date(Date.now() - 6 * 1000 * 60 * 60);
-			break;
+			return new Date(Date.now() - 6 * 1000 * 60 * 60);
 		case '1d':
-			start = new Date(Date.now() - 24 * 1000 * 60 * 60);
-			break;
+			return new Date(Date.now() - 24 * 1000 * 60 * 60);
 		case '30d':
-			start = new Date(Date.now() - 30 * 24 * 1000 * 60 * 60);
-			break;
+			return new Date(Date.now() - 30 * 24 * 1000 * 60 * 60);
+		default:
+			return new Date(Date.now() - 7 * 24 * 1000 * 60 * 60);
 	}
+}
+
+export const ssr = false;
+export const load: PageLoad = async (event) => {
+	const interval = event.url.searchParams.get('interval');
+	const end = new Date(Date.now());
+	const start = getStart(interval);
 
 	return {
 		interval,