diff --git a/package-lock.json b/package-lock.json
index 5009fa0..ac64110 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1108,9 +1108,9 @@
 			}
 		},
 		"node_modules/@sveltejs/kit": {
-			"version": "2.5.24",
-			"resolved": "https://registry.npmjs.org/@sveltejs/kit/-/kit-2.5.24.tgz",
-			"integrity": "sha512-Nr2oxsCsDfEkdS/zzQQQbsPYTbu692Qs3/iE3L7VHzCVjG2+WujF9oMUozWI7GuX98KxYSoPMlAsfmDLSg44hQ==",
+			"version": "2.5.25",
+			"resolved": "https://registry.npmjs.org/@sveltejs/kit/-/kit-2.5.25.tgz",
+			"integrity": "sha512-5hBSEN8XEjDZ5+2bHkFh8Z0QyOk0C187cyb12aANe1c8aeKbfu5ZD5XaC2vEH4h0alJFDXPdUkXQBmeeXeMr1A==",
 			"dev": true,
 			"hasInstallScript": true,
 			"license": "MIT",
diff --git a/src/hooks.server.ts b/src/hooks.server.ts
index 17372c1..dc43d27 100644
--- a/src/hooks.server.ts
+++ b/src/hooks.server.ts
@@ -24,9 +24,9 @@ export const handle: Handle = async ({ event, resolve }) => {
 	// make requestId available to handlers
 	event.locals.requestId = requestId;
 
-	const { executionTime, result: response } = await timedExecution(async () => {
-		return await resolve(event);
-	});
+	const { executionTime, result: response } = await timedExecution(
+		async () => await resolve(event)
+	);
 	response.headers.set(requestIdHeader, requestId);
 
 	log.info(
diff --git a/src/index.test.ts b/src/lib/index.test.ts
similarity index 55%
rename from src/index.test.ts
rename to src/lib/index.test.ts
index dbc9154..39127ea 100644
--- a/src/index.test.ts
+++ b/src/lib/index.test.ts
@@ -1,4 +1,4 @@
-import safePath from '$lib';
+import safePath, { timedExecution } from '$lib';
 import { describe, it, expect } from 'vitest';
 
 describe('safe path', () => {
@@ -30,3 +30,21 @@ describe('safe path', () => {
 		expect(safePath('./uplodas', '..foobar..')).toBe(true);
 	});
 });
+
+describe('timedExecution', () => {
+	const asyncIdentity = async <T>(v: T): Promise<T> => v;
+	const identity = <T>(v: T): T => v;
+
+	it('works with async', async () => {
+		const { executionTime, result } = await timedExecution(() => asyncIdentity(5));
+		expect(result).toBe(5);
+		// execution time is always positive
+		expect(executionTime).toBeGreaterThanOrEqual(0);
+	});
+	it('works with sync', async () => {
+		const { executionTime, result } = await timedExecution(() => identity(5));
+		expect(result).toBe(5);
+		// execution time is always positive
+		expect(executionTime).toBeGreaterThanOrEqual(0);
+	});
+});
diff --git a/src/lib/index.ts b/src/lib/index.ts
index c2c405a..cee56ae 100644
--- a/src/lib/index.ts
+++ b/src/lib/index.ts
@@ -1,7 +1,6 @@
 // place files you want to import through the `$lib` alias in this folder.
 import path from 'path';
 import bunyan from 'bunyan';
-import type { MaybePromise } from '@sveltejs/kit';
 
 export const log = bunyan.createLogger({
 	name: 'fotochallenge',
@@ -9,7 +8,7 @@ export const log = bunyan.createLogger({
 	src: true,
 });
 
-function safePath(basePath: string, name: string): boolean {
+const safePath = (basePath: string, name: string): boolean => {
 	const fullPath = `${basePath}/${name}`;
 	const relative = path.relative(basePath, fullPath);
 	return (
@@ -21,7 +20,9 @@ function safePath(basePath: string, name: string): boolean {
 		// result is not an absolute path
 		!path.isAbsolute(relative)
 	);
-}
+};
+
+export default safePath;
 
 const defaultPath: string = './uploads';
 if (!('STORAGE_PATH' in process.env)) {
@@ -31,7 +32,7 @@ export const storagePath: string = process.env.STORAGE_PATH ?? defaultPath;
 
 export const requestIdHeader = 'x-request-id';
 
-export default safePath;
+export type MaybePromise<T> = T | Promise<T>;
 
 export async function timedExecution<T>(
 	fn: () => MaybePromise<T>