frontend: fixed missing typing in utils

frontend/src/lib/utils/helpers.js

@@ -1,4 +1,3 @@
-// @ts-nocheck
 import { quintOut } from 'svelte/easing';
 import { crossfade } from 'svelte/transition';
 
@@ -67,12 +66,22 @@ export function isEmpty(obj) {
 	return true;
 }
 
+/**
+ *
+ * @param {string} dateString
+ * @returns string
+ */
 export function toRFC3339(dateString) {
 	if (!dateString) dateString = '0001-01-01T00:00:00.000Z';
 	const date = new Date(dateString);
 	return date.toISOString();
 }
 
+/**
+ *
+ * @param {string} dateString
+ * @returns string
+ */
 export function fromRFC3339(dateString) {
 	if (!dateString) dateString = '0001-01-01T00:00:00.000Z';
 	const date = new Date(dateString);
@@ -81,7 +90,7 @@ export function fromRFC3339(dateString) {
 
 /**
  *
- * @param {App.Locals.User} user - The user object to format
+ * @param {App.Locals['user']} user - The user object to format
  */
 export function userDatesFromRFC3339(user) {
 	if (user.dateofbirth) {
@@ -108,7 +117,7 @@ export function userDatesFromRFC3339(user) {
 
 /**
  * Formats dates in the user object to RFC3339 format
- * @param {App.Locals.User} user - The user object to format
+ * @param {App.Locals['user']} user - The user object to format
  */
 export function userDatesToRFC3339(user) {
 	if (user.dateofbirth) {
@@ -135,12 +144,16 @@ export function userDatesToRFC3339(user) {
 
 /**
  *
- * @param {object} obj - The error object to format
- * @returns {array} The formatted error object
+ * @param {string | Array<{field: string, key: string}> | Record<string, {key: string}>} obj - The error object to format
+ * @returns {Array<{
+ *   field: string,
+ *   key: string,
+ *   id: number
+ * }> } Array of formatted error objects
  */
 export function formatError(obj) {
 	const errors = [];
-	if (typeof obj === 'object' && obj !== null) {
+	if (typeof obj === 'object') {
 		if (Array.isArray(obj)) {
 			obj.forEach((error) => {
 				errors.push({
@@ -171,13 +184,12 @@ export function formatError(obj) {
 /**
  *
  * @param {string | null} newToken - The new token for the cookie to set
- * @param {import('RequestEvent<Partial<Record<string, string>>, string | null>')} event - The event object
+ * @param {import('@sveltejs/kit').RequestEvent } event - The event object
  */
 export function refreshCookie(newToken, event) {
 	if (newToken) {
 		const match = newToken.match(/jwt=([^;]+)/);
 		if (match) {
-			if (event) {
 			event.cookies.set('jwt', match[1], {
 				path: '/',
 				httpOnly: true,
@@ -187,5 +199,37 @@ export function refreshCookie(newToken, event) {
 			});
 		}
 	}
-	}
+}
+
+/**
+ * Creates a debounced version of an input event handler.
+ *
+ * @param {HTMLElement} element - The HTML element to attach the debounced event to.
+ * @param {number} duration - The delay in milliseconds before the event is triggered after the last input.
+ * @returns {Object} - An object with a `destroy` method to clean up the event listener.
+ *
+ * @example
+ * <input use:debounce={300} on:debouncedinput={handleInput} />
+ */
+export function debounce(element, duration) {
+	/** @type{NodeJS.Timeout} */
+	let timer;
+
+	/**
+	 *
+	 * @param {CustomEventInit} e
+	 */
+	function input(e) {
+		clearTimeout(timer);
+		timer = setTimeout(() => {
+			element.dispatchEvent(new CustomEvent('debouncedinput', e));
+		}, duration);
+	}
+
+	element.addEventListener('input', input);
+	return {
+		destroy() {
+			element.removeEventListener('input', input);
+		}
+	};
 }

frontend/src/lib/utils/processing.js

@@ -76,7 +76,7 @@ export function processUserFormData(rawData) {
 			email: String(rawData.object.email),
 			phone: String(rawData.object.phone || ''),
 			company: String(rawData.object.company || ''),
-			dateofbirth: toRFC3339(rawData.object.dateofbirth),
+			dateofbirth: toRFC3339(String(rawData.object.dateofbirth)),
 			address: String(rawData.object.address || ''),
 			zip_code: String(rawData.object.zip_code || ''),
 			city: String(rawData.object.city || ''),
@@ -86,8 +86,8 @@ export function processUserFormData(rawData) {
 			membership: {
 				id: Number(rawData.object.membership?.id) || 0,
 				status: Number(rawData.object.membership?.status),
-				start_date: toRFC3339(rawData.object.membership?.start_date),
-				end_date: toRFC3339(rawData.object.membership?.end_date),
+				start_date: toRFC3339(String(rawData.object.membership?.start_date)),
+				end_date: toRFC3339(String(rawData.object.membership?.end_date)),
 				parent_member_id: Number(rawData.object.membership?.parent_member_id) || 0,
 				subscription_model: {
 					id: Number(rawData.object.membership?.subscription_model?.id) || 0,
@@ -107,8 +107,8 @@ export function processUserFormData(rawData) {
 				id: Number(rawData.object.licence?.id) || 0,
 				status: Number(rawData.object.licence?.status),
 				number: String(rawData.object.licence?.number || ''),
-				issued_date: toRFC3339(rawData.object.licence?.issued_date),
-				expiration_date: toRFC3339(rawData.object.licence?.expiration_date),
+				issued_date: toRFC3339(String(rawData.object.licence?.issued_date)),
+				expiration_date: toRFC3339(String(rawData.object.licence?.expiration_date)),
 				country: String(rawData.object.licence?.country || ''),
 				categories: rawData.object.licence?.categories || []
 			},
@@ -120,7 +120,7 @@ export function processUserFormData(rawData) {
 				iban: String(rawData.object.bank_account?.iban || ''),
 				bic: String(rawData.object.bank_account?.bic || ''),
 				mandate_reference: String(rawData.object.bank_account?.mandate_reference || ''),
-				mandate_date_signed: toRFC3339(rawData.object.bank_account?.mandate_date_signed)
+				mandate_date_signed: toRFC3339(String(rawData.object.bank_account?.mandate_date_signed))
 			}
 		}
 	};