diff --git a/src/lib/auth.ts b/src/lib/auth.ts
index 19d290a..958bc6e 100644
--- a/src/lib/auth.ts
+++ b/src/lib/auth.ts
@@ -11,7 +11,7 @@ export function createToken(userData) {
 	return jwt.sign(userData, SECRET, { expiresIn: EXPIRES_IN });
 }
 
-export function decryptToken(token) {
+export function decryptToken(token: string) {
 	return jwt.verify(token, SECRET);
 }
 
diff --git a/src/lib/config.ts b/src/lib/config.ts
index 5c34af3..0775514 100644
--- a/src/lib/config.ts
+++ b/src/lib/config.ts
@@ -1,3 +1,3 @@
 import { readFileSync } from 'fs';
 
-export default JSON.parse(readFileSync('./config.json'));
+export default JSON.parse(readFileSync('./config.json').toString());
diff --git a/src/lib/helper/caseNumberOccupied.ts b/src/lib/helper/caseNumberOccupied.ts
index 6fdd4bc..0d95f73 100644
--- a/src/lib/helper/caseNumberOccupied.ts
+++ b/src/lib/helper/caseNumberOccupied.ts
@@ -1,13 +1,8 @@
 import { client } from '$lib/minio';
 
-/**
- * Check if caseNumber is used
- * @param {string} caseNumber
- * @returns {Promise<boolean}
- */
-export default async function caseNumberOccupied(caseNumber: string) {
+export default async function caseNumberOccupied (caseNumber: string): Promise<boolean> {
 	const prefix = `${caseNumber}/config.json`;
-	const promise = new Promise((resolve) => {
+	const promise: Promise<boolean> = new Promise((resolve) => {
 		const stream = client.listObjectsV2('tatort', prefix, false, '');
 		stream.on('data', () => {
 			stream.destroy();
diff --git a/src/lib/helper/shortenFileSize.ts b/src/lib/helper/shortenFileSize.ts
index 9628b34..0785886 100644
--- a/src/lib/helper/shortenFileSize.ts
+++ b/src/lib/helper/shortenFileSize.ts
@@ -2,12 +2,7 @@ const KILO = 1024;
 const MEGA = KILO * KILO;
 const GIGA = MEGA * KILO;
 
-/**
- * Shortens the size in bytes
- * @param {number} size
- * @returns{string}
- */
-export default function shortenFileSize(size: number) {
+export default function shortenFileSize(size: number): string {
 	const giga = Math.floor(size / GIGA);
 	let remainder = size % GIGA;
 	const mega = Math.floor(remainder / MEGA);
diff --git a/src/lib/helper/timeElapsed.ts b/src/lib/helper/timeElapsed.ts
index f9186d9..2628ea7 100644
--- a/src/lib/helper/timeElapsed.ts
+++ b/src/lib/helper/timeElapsed.ts
@@ -4,12 +4,7 @@ const DAY = 24 * HOUR;
 const YEAR = 365 * DAY;
 const MONTH = YEAR / 12;
 
-/**
- * get readable string of time elapsed since date
- * @param {Date} date
- * @returns string
- */
-export default function timeElapsed(date: Date) {
+export default function timeElapsed(date: Date): string {
 	const now = new Date();
 	const age = Math.floor((now.getTime() - date.getTime()) / 1000);
 
diff --git a/src/routes/(angemeldet)/tatorte/+page.svelte b/src/routes/(angemeldet)/tatorte/+page.svelte
index 2920917..0564923 100644
--- a/src/routes/(angemeldet)/tatorte/+page.svelte
+++ b/src/routes/(angemeldet)/tatorte/+page.svelte
@@ -55,22 +55,22 @@
 					<div>
 						<label for="description" class="block text-sm font-medium leading-6 text-gray-900"
 							><span class="flex"
-								>{#if form?.error?.description}
+								>{#if form?.description}
 									<span class="inline-block mr-1"><Exclamation /></span>
 								{/if} Beschreibung</span
 							></label
 						>
 						<div class="mt-2">
 							<textarea
-								value={form?.description ?? ''}
+								value={form?.description?.toString() ?? ''}
 								id="description"
 								name="description"
 								rows="3"
 								class="block w-full rounded-md border-0 py-1.5 text-gray-900 shadow-sm ring-1 ring-inset ring-gray-300 placeholder:text-gray-400 focus:ring-2 focus:ring-inset focus:ring-indigo-600 sm:text-sm sm:leading-6"
 							></textarea>
 						</div>
-						{#if form?.error?.description}
-							<p class="block text-sm leading-6 text-red-900 mt-2">{form.error.description}</p>
+						{#if form?.error}
+							<p class="block text-sm leading-6 text-red-900 mt-2">{form.description}</p>
 						{/if}
 					</div>
 				</div>
diff --git a/src/routes/(angemeldet)/upload/+page.server.ts b/src/routes/(angemeldet)/upload/+page.server.ts
index ceb3ecb..27cc6c9 100644
--- a/src/routes/(angemeldet)/upload/+page.server.ts
+++ b/src/routes/(angemeldet)/upload/+page.server.ts
@@ -10,7 +10,6 @@ const isRequiredFieldValid = (value: unknown) => {
 	return true;
 }
 
-/** @type {import('./$types').Actions} */
 export const actions = {
 	url: async ({ request }: {request: Request}) => {
 		const data = await request.formData();
@@ -62,11 +61,9 @@ export const actions = {
 		const data = Object.fromEntries(requestData);
 		const vorgang = data.vorgang;
 		const name = data.name;
-		console.log('I:', vorgang, name);
 
 		const url = await client.presignedPutObject('tatort', `${vorgang}/${name}`, 60);
 
-		console.log('O:', url);
 		return { url };
 	},
 	upload3: async ({ request }: {request: Request}) => {
@@ -74,7 +71,6 @@ export const actions = {
 		const data = Object.fromEntries(requestData);
 		const name = data.name;
 		const stream = data.file.stream();
-		console.log('Data:', stream);
 		const metaData = { 'Content-Type': 'model-gtlf-binary', 'X-VorgangsNr': '4711' };
 		const result = new Promise((resolve, reject) => {
 			client.putObject('tatort', name, Readable.from(stream), metaData, function (err, etag) {
@@ -86,7 +82,6 @@ export const actions = {
 		let error = null;
 		try {
 			etag = await result;
-			console.log(etag);
 		} catch (err) {
 			error = err;
 			console.log('Error:', err);
diff --git a/src/routes/(angemeldet)/upload/+page.svelte b/src/routes/(angemeldet)/upload/+page.svelte
index 1475803..5f7b5c2 100644
--- a/src/routes/(angemeldet)/upload/+page.svelte
+++ b/src/routes/(angemeldet)/upload/+page.svelte
@@ -20,8 +20,7 @@
 
 	$: inProgress = form === null;
 
-	/** @type {?Record<string,any>}*/
-	let formErrors;
+	let formErrors: Record<string,any> | null;
 
 	async function validateForm() {
 		let data = new FormData();
@@ -39,7 +38,6 @@
 			success = false;
 		}
 
-		console.log('File', files);
 		if (!files?.length) {
 			formErrors = { file: 'Sie haben keine Datei ausgewählt.', ...formErrors };
 			success = false;
@@ -75,7 +73,6 @@
 			return;
 		}
 		const url = await getUrl();
-		console.log('URL', url);
 		open = true;
 		inProgress = true;
 
@@ -83,7 +80,6 @@
 			.then((response) => {
 				inProgress = false;
 				etag = '123';
-				console.log('SUCCESS', response);
 			})
 			.catch((err) => {
 				inProgress = false;
@@ -93,7 +89,6 @@
 	}
 
 	function uploadSuccessful() {
-		console.log('reset');
 		open = false;
 		vorgang = '';
 		name = '';
diff --git a/src/routes/(angemeldet)/view/[vorgang]/[tatort]/+page.svelte b/src/routes/(angemeldet)/view/[vorgang]/[tatort]/+page.svelte
index dc2d254..d95184e 100644
--- a/src/routes/(angemeldet)/view/[vorgang]/[tatort]/+page.svelte
+++ b/src/routes/(angemeldet)/view/[vorgang]/[tatort]/+page.svelte
@@ -28,9 +28,6 @@
 
 	$: style = `width: ${progress}%`;
 
-	/**
-	 * @param {any} detail
-	 */
 	const onProgress = ({ detail }) => {
 		progress = Math.ceil(detail.totalProgress * 100.0);
 		if (progress == 100) {
@@ -41,21 +38,6 @@
 	}
 
 	function onResetView() {
-		console.log(
-			'show cameraOrbit:',
-			modelViewer.getCameraOrbit(),
-			modelViewer.cameraOrbit,
-			modelViewer.getDimensions()
-		);
-		console.log(
-			'Camera-orbit: ',
-			modelViewer.getAttribute('camera-orbit'),
-			'camera-target: ',
-			modelViewer.getAttribute('camera-target'),
-			'object-rotation: ',
-			modelViewer.getAttribute('rotation')
-		);
-
 		cameraAzimuth = 0;
 		cameraPolar = 0;
 		cameraZoom = 100;
@@ -69,12 +51,7 @@
 		fieldOfView = '10deg';
 	}
 
-	/**
-	 * @param {number} azimuth
-	 * @param {number} polar
-	 * @param {number} zoom
-	 */
-	function updateCameraOrbit(azimuth, polar, zoom) {
+	function updateCameraOrbit(azimuth: number, polar: number, zoom: number) {
 		cameraAzimuth = azimuth;
 		cameraPolar = polar;
 		cameraZoom = zoom;
diff --git a/src/routes/anmeldung/+page.svelte b/src/routes/anmeldung/+page.svelte
index 43e4d86..be512ee 100644
--- a/src/routes/anmeldung/+page.svelte
+++ b/src/routes/anmeldung/+page.svelte
@@ -1,10 +1,10 @@
 <script lang="ts">
-	/** @type {import('./$types').ActionData} */
-	export let form;
+	import type { ActionData } from "./$types";
+
+	export let form: ActionData;
 
 	let user = form?.user ?? '';
 
-	function buttonClick() {}
 </script>
 
 <!--