Updated to Svelte 5

frontend/src/lib/Spinner.svelte

@@ -5,7 +5,11 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
-	export let my_20 = true;
+	interface Props {
+		my_20?: boolean;
+	}
+
+	let { my_20 = true }: Props = $props();
 </script>
 
 <svg class="h-8 w-8 animate-spin mx-auto" class:my-20={my_20} viewBox="3 3 18 18">

frontend/src/lib/admin.svelte

@@ -15,25 +15,37 @@ SPDX-License-Identifier: MPL-2.0
 	import Controls from '$lib/play/admin/controls.svelte';
 	import Question from '$lib/play/admin/question.svelte';
 
-	export let game_token: string;
-	export let quiz_data: QuizData;
-	export let game_mode: string;
-	export let bg_color: string;
 
 	const { t } = getLocalization();
 	const default_colors = ['#D6EDC9', '#B07156', '#7F7057', '#4E6E58'];
 
-	let question_results = null;
-	export let final_results: Array<null> | Array<Array<PlayerAnswer>> = [null];
-	let selected_question = -1;
-	let timer_res: string;
-	let shown_question_now: number;
-	let final_results_clicked = false;
+	let question_results = $state(null);
+	let selected_question = $state(-1);
+	let timer_res: string = $state();
+	let shown_question_now: number = $state();
+	let final_results_clicked = $state(false);
 	let timer_interval;
-	let answer_count = 0;
-	export let control_visible: boolean;
+	let answer_count = $state(0);
 
-	export let player_scores;
+	interface Props {
+		game_token: string;
+		quiz_data: QuizData;
+		game_mode: string;
+		bg_color: string;
+		final_results?: Array<null> | Array<Array<PlayerAnswer>>;
+		control_visible: boolean;
+		player_scores: any;
+	}
+
+	let {
+		game_token,
+		quiz_data = $bindable(),
+		game_mode,
+		bg_color,
+		final_results = $bindable([null]),
+		control_visible,
+		player_scores = $bindable()
+	}: Props = $props();
 
 	socket.on('get_question_results', () => {
 		console.log('get_question_results');
@@ -110,7 +122,7 @@ SPDX-License-Identifier: MPL-2.0
 		class:mt-10={control_visible}
 		style="width: {(100 / parseInt(quiz_data.questions[selected_question].time)) *
 			parseInt(timer_res)}vw"
-	/>
+	></span>
 {/if}
 
 <div class="w-full h-full" class:pt-28={control_visible} class:pt-12={!control_visible}>
@@ -120,8 +132,7 @@ SPDX-License-Identifier: MPL-2.0
 			{#await import('$lib/play/admin/slide.svelte')}
 				<Spinner my_20={false} />
 			{:then c}
-				<svelte:component
-					this={c.default}
+				<c.default
 					bind:question={quiz_data.questions[selected_question]}
 				/>
 			{/await}
@@ -141,8 +152,7 @@ SPDX-License-Identifier: MPL-2.0
 			{#await import('$lib/play/admin/voting_results.svelte')}
 				<Spinner />
 			{:then c}
-				<svelte:component
-					this={c.default}
+				<c.default
 					bind:data={question_results}
 					bind:question={quiz_data.questions[selected_question]}
 				/>
@@ -151,8 +161,7 @@ SPDX-License-Identifier: MPL-2.0
 			{#await import('$lib/play/admin/results.svelte')}
 				<Spinner />
 			{:then c}
-				<svelte:component
-					this={c.default}
+				<c.default
 					bind:data={player_scores}
 					question={quiz_data.questions[selected_question]}
 					bind:new_data={question_results}

frontend/src/lib/collapsible.svelte

@@ -4,17 +4,22 @@ SPDX-FileCopyrightText: 2023 Marlon W (Mawoka)
 SPDX-License-Identifier: MPL-2.0
 -->
 
-<script>
-	export let headerText;
+<script lang="ts">
 
-	export let expanded = false;
+	interface Props {
+		headerText: any;
+		expanded?: boolean;
+		children?: import('svelte').Snippet;
+	}
+
+	let { headerText, expanded = $bindable(false), children }: Props = $props();
 </script>
 
 <div>
 	<h3 class="bg-transparent m-0">
 		<button
 			aria-expanded={expanded}
-			on:click={() => (expanded = !expanded)}
+			onclick={() => (expanded = !expanded)}
 			class="bg-white dark:bg-gray-700 flex justify-between w-full border-none m-0 p-2 rounded-t-lg hover:bg-gray-200 dark:hover:bg-gray-500 transition"
 			class:rounded-b-lg={!expanded}
 			><span>{@html headerText}</span>
@@ -31,7 +36,7 @@ SPDX-License-Identifier: MPL-2.0
 	</h3>
 
 	<div class:hidden={!expanded}>
-		<slot />
+		{@render children?.()}
 	</div>
 </div>
 

frontend/src/lib/components/DownloadQuiz.svelte

@@ -10,7 +10,11 @@ SPDX-License-Identifier: MPL-2.0
 	import { getLocalization } from '$lib/i18n';
 
 	const { t } = getLocalization();
-	export let quiz_id: string | null = null;
+	interface Props {
+		quiz_id?: string | null;
+	}
+
+	let { quiz_id = $bindable(null) }: Props = $props();
 
 	const handle_on_click = () => {
 		quiz_id = null;
@@ -27,7 +31,7 @@ SPDX-License-Identifier: MPL-2.0
 {#if quiz_id}
 	<div
 		class="w-screen h-screen fixed top-0 left-0 bg-black/50 z-20 flex justify-center"
-		on:click={handle_on_click}
+		onclick={handle_on_click}
 		transition:fade={{ duration: 100 }}
 	>
 		<div class="m-auto w-1/3 h-auto bg-white dark:bg-gray-700 p-4 rounded-sm">

frontend/src/lib/components/buttons/brown.svelte

@@ -5,14 +5,29 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
-	export let disabled = false;
-	export let flex = false;
+	import { createBubbler } from 'svelte/legacy';
 
-	export let href: undefined | string = undefined;
+	const bubble = createBubbler();
 
-	export let target: undefined | string = '_self';
 
-	export let type: undefined | string = 'button';
+
+	interface Props {
+		disabled?: boolean;
+		flex?: boolean;
+		href?: undefined | string;
+		target?: undefined | string;
+		type?: undefined | string;
+		children?: import('svelte').Snippet;
+	}
+
+	let {
+		disabled = false,
+		flex = false,
+		href = undefined,
+		target = '_self',
+		type = 'button',
+		children
+	}: Props = $props();
 </script>
 
 {#if href}
@@ -24,21 +39,21 @@ SPDX-License-Identifier: MPL-2.0
 		class:cursor-not-allowed={disabled}
 		class:pointer-events-none={disabled}
 		class="text-black hover:bg-bg-[#B07156]/80 w-full px-4 py-2 leading-5 transition-all duration-200 transform bg-[#B07156] rounded-sm text-center outline-hidden hover:cursor-pointer"
-		on:click
+		onclick={bubble('click')}
 		class:flex
 		class:justify-center={flex}
 	>
-		<slot />
+		{@render children?.()}
 	</a>
 {:else}
 	<button
 		{disabled}
 		{type}
 		class="text-black hover:cursor-pointer hover:opacity-80 w-full px-4 py-2 leading-5 transition-all duration-200 transform bg-[#B07156] rounded-sm text-center focus:outline-hidden disabled:cursor-not-allowed disabled:opacity-50 outline-hidden"
-		on:click
+		onclick={bubble('click')}
 		class:flex
 		class:justify-center={flex}
 	>
-		<slot />
+		{@render children?.()}
 	</button>
 {/if}

frontend/src/lib/components/buttons/gray.svelte

@@ -5,11 +5,25 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
-	export let disabled = false;
-	export let flex = false;
+	import { createBubbler } from 'svelte/legacy';
 
-	export let href: undefined | string = undefined;
-	export let target: undefined | string = '_self';
+	const bubble = createBubbler();
+
+	interface Props {
+		disabled?: boolean;
+		flex?: boolean;
+		href?: undefined | string;
+		target?: undefined | string;
+		children?: import('svelte').Snippet;
+	}
+
+	let {
+		disabled = false,
+		flex = false,
+		href = undefined,
+		target = '_self',
+		children
+	}: Props = $props();
 </script>
 
 {#if href}
@@ -17,21 +31,21 @@ SPDX-License-Identifier: MPL-2.0
 		{href}
 		{target}
 		class="w-full px-4 py-2 leading-5 text-black dark:text-white transition-colors duration-200 transform bg-gray-50 dark:bg-gray-700 rounded-sm text-center hover:bg-gray-300 focus:outline-hidden disabled:cursor-not-allowed disabled:opacity-50 dark:hover:bg-gray-600"
-		on:click
+		onclick={bubble('click')}
 		class:flex
 		class:block={!flex}
 		class:justify-center={flex}
 	>
-		<slot />
+		{@render children?.()}
 	</a>
 {:else}
 	<button
 		{disabled}
 		class="w-full px-4 py-2 leading-5 text-black dark:text-white transition-colors duration-200 transform bg-gray-50 dark:bg-gray-700 rounded-sm text-center hover:bg-gray-300 focus:outline-hidden disabled:cursor-not-allowed disabled:opacity-50 dark:hover:bg-gray-600"
-		on:click
+		onclick={bubble('click')}
 		class:flex
 		class:justify-center={flex}
 	>
-		<slot />
+		{@render children?.()}
 	</button>
 {/if}

frontend/src/lib/components/commandpalette.svelte

@@ -8,17 +8,19 @@ SPDX-License-Identifier: MPL-2.0
 This should be okay, right?
 -->
 <script lang="ts">
+	import { run } from 'svelte/legacy';
+
 	import { onMount } from 'svelte';
 	import { tinykeys } from '$lib/tinykeys';
 	import { fade } from 'svelte/transition';
 	import MiniSearch from 'minisearch';
 
-	let open = false;
-	let input = '';
-	let bg_text = '';
+	let open = $state(false);
+	let input = $state('');
+	let bg_text = $state('');
 	let title_ms: MiniSearch;
 	let command_ms: MiniSearch;
-	let selected: null | number = null;
+	let selected: null | number = $state(null);
 
 	// eslint-disable-next-line no-unused-vars
 	type ActionFunction = (args: string[]) => void;
@@ -97,7 +99,7 @@ This should be okay, right?
 			action: () => window.location.assign('/account/settings')
 		}
 	];
-	let visible_items = actions;
+	let visible_items = $state(actions);
 
 	const toggle_open = (e: KeyboardEvent | undefined) => {
 		e.preventDefault();
@@ -204,9 +206,13 @@ This should be okay, right?
 		input = '';
 	};
 
-	$: search(input);
+	run(() => {
+		search(input);
+	});
 	// $: input = lower_input(input)
-	$: input = input.toLowerCase();
+	run(() => {
+		input = input.toLowerCase();
+	});
 	onMount(async () => {
 		tinykeys(window, {
 			'$mod+k': toggle_open,
@@ -232,8 +238,8 @@ This should be okay, right?
 {#if open}
 	<div
 		class="fixed top-0 left-0 w-screen h-screen flex bg-black/50 z-50"
-		on:click={close_on_outside}
-		on:keyup={close_on_outside}
+		onclick={close_on_outside}
+		onkeyup={close_on_outside}
 		transition:fade|global={{ duration: 60 }}
 	>
 		<div class="m-auto w-1/3 h-2/3 rounded-sm bg-black flex flex-col">
@@ -256,8 +262,8 @@ This should be okay, right?
 						class="p-2 transition rounded-sm"
 						class:bg-[#B07156]={selected === i}
 						class:bg-gray-700={selected !== i}
-						on:mouseenter={() => (selected = i)}
-						on:mousedown={execute_action}
+						onmouseenter={() => (selected = i)}
+						onmousedown={execute_action}
 					>
 						<div class="flex">
 							<h3 class="text-lg my-auto">{vi.title}</h3>

frontend/src/lib/components/controller/code.svelte

@@ -11,7 +11,11 @@ SPDX-License-Identifier: MPL-2.0
 		y: 'yellow',
 		b: 'blue'
 	};
-	export let code: string;
+	interface Props {
+		code: string;
+	}
+
+	let { code }: Props = $props();
 </script>
 
 <div class="flex flex-row gap-2 mx-auto">
@@ -22,7 +26,7 @@ SPDX-License-Identifier: MPL-2.0
 				style="background-color: {color_map[
 					c.toLowerCase()
 				]}; width: 2rem; height: {c.toLowerCase() == c ? '2' : '4'}rem"
-			/>
+			></span>
 		</div>
 	{/each}
 </div>

frontend/src/lib/components/popover/commandpalettenotice.svelte

@@ -13,7 +13,7 @@ SPDX-License-Identifier: MPL-2.0
 
 	const { t } = getLocalization();
 
-	let open = false;
+	let open = $state(false);
 	onMount(() => {
 		if (Cookies.get('commandpalette_notice')) {
 			return;

frontend/src/lib/components/popover/smalltop.svelte

@@ -5,6 +5,8 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run } from 'svelte/legacy';
+
 	import { fly } from 'svelte/transition';
 	import { getLocalization } from '$lib/i18n';
 	import { createEventDispatcher } from 'svelte';
@@ -14,12 +16,17 @@ SPDX-License-Identifier: MPL-2.0
 
 	const dispatch = createEventDispatcher();
 
-	export let open = false;
-	export let type: PopoverTypes;
-	export let data: undefined | { game_pin: number | string; game_id: string } | string =
-		undefined;
+	interface Props {
+		open?: boolean;
+		type: PopoverTypes;
+		data?: undefined | { game_pin: number | string; game_id: string } | string;
+	}
 
-	$: dispatch('open', open);
+	let { open = $bindable(false), type, data = undefined }: Props = $props();
+
+	run(() => {
+		dispatch('open', open);
+	});
 </script>
 
 {#if open}
@@ -49,7 +56,7 @@ SPDX-License-Identifier: MPL-2.0
 				class="ml-auto -mx-1.5 -my-1.5 bg-white text-gray-400 hover:text-gray-900 rounded-lg focus:ring-2 focus:ring-gray-300 p-1.5 hover:bg-gray-100 inline-flex h-8 w-8 dark:text-gray-500 dark:hover:text-white dark:bg-gray-800 dark:hover:bg-gray-700"
 				data-dismiss-target="#toast-default"
 				aria-label="Close"
-				on:click={() => {
+				onclick={() => {
 					open = false;
 				}}
 			>

frontend/src/lib/dashboard/main_slider.svelte

@@ -1,413 +0,0 @@
-<!--
-SPDX-FileCopyrightText: 2023 Marlon W (Mawoka)
-
-SPDX-License-Identifier: MPL-2.0
--->
-
-<script lang="ts">
-	import { Swiper, SwiperSlide } from 'swiper/svelte';
-	import 'swiper/css';
-	import 'swiper/css/pagination';
-	import 'swiper/css/navigation';
-	import { Pagination, EffectCoverflow, Keyboard, Mousewheel, Navigation } from 'swiper';
-	import { fly } from 'svelte/transition';
-	import { QuizQuestionType } from '$lib/quiz_types.js';
-	import { getLocalization } from '$lib/i18n';
-	import StartGamePopup from './start_game.svelte';
-	// import { onMount } from 'svelte';
-	import viewport from './useViewportAction.js';
-	import Spinner from '$lib/Spinner.svelte';
-	import GrayButton from '$lib/components/buttons/gray.svelte';
-
-	let copy_toast_open = false;
-	let start_game = null;
-	const { t } = getLocalization();
-	export let quizzes = [];
-
-	const deleteQuiz = async (to_delete: string) => {
-		if (!confirm('Do you really want to delete this quiz?')) {
-			return;
-		}
-		await fetch(`/api/v1/quiz/delete/${to_delete}`, {
-			method: 'DELETE'
-		});
-		window.location.reload();
-	};
-	let visibleImages = Array.from(Array(quizzes.length), () => []);
-
-	const copy_id = (quiz_id: string) => {
-		navigator.clipboard.writeText(quiz_id);
-		copy_toast_open = true;
-		setTimeout(() => {
-			copy_toast_open = false;
-		}, 2000);
-	};
-
-	let game_in_lobby: { game_pin: string; game_id: string; quiz_title: string } | undefined =
-		undefined;
-
-	const get_game_in_lobby_fn = async () => {
-		const res = await fetch('/api/v1/remote/game_waiting');
-		console.log('Fetched.');
-		if (res.ok) {
-			game_in_lobby = await res.json();
-		}
-	};
-	// onMount(() => {
-	// 	document.body.addEventListener('keydown', close_start_game_if_esc_is_pressed);
-	// });
-
-	get_game_in_lobby_fn();
-</script>
-
-{#if copy_toast_open || game_in_lobby}
-	<div class="fixed w-screen top-10 z-50 flex justify-center" transition:fly|global={{ y: -100 }}>
-		<div
-			class="flex items-center p-4 w-full max-w-xs text-gray-500 bg-white rounded-lg shadow-smdark:text-gray-400 dark:bg-gray-800"
-			role="alert"
-		>
-			<div class="ml-3 text-sm font-normal">
-				{#if copy_toast_open}ID copied to clipboard!
-				{:else}A game is currently in the lobby. Click <a
-						class="underline"
-						href="/remote?game_pin={game_in_lobby.game_pin}&game_id={game_in_lobby.game_id}"
-						>here</a
-					> to join as a remote.
-				{/if}
-			</div>
-			<button
-				type="button"
-				class="ml-auto -mx-1.5 -my-1.5 bg-white text-gray-400 hover:text-gray-900 rounded-lg focus:ring-2 focus:ring-gray-300 p-1.5 hover:bg-gray-100 inline-flex h-8 w-8 dark:text-gray-500 dark:hover:text-white dark:bg-gray-800 dark:hover:bg-gray-700"
-				data-dismiss-target="#toast-default"
-				aria-label="Close"
-				on:click={() => {
-					copy_toast_open = false;
-					game_in_lobby = undefined;
-				}}
-			>
-				<span class="sr-only">Close</span>
-				<svg
-					aria-hidden="true"
-					class="w-5 h-5"
-					fill="currentColor"
-					viewBox="0 0 20 20"
-					xmlns="http://www.w3.org/2000/svg"
-				>
-					<path
-						fill-rule="evenodd"
-						d="M4.293 4.293a1 1 0 011.414 0L10 8.586l4.293-4.293a1 1 0 111.414 1.414L11.414 10l4.293 4.293a1 1 0 01-1.414 1.414L10 11.414l-4.293 4.293a1 1 0 01-1.414-1.414L8.586 10 4.293 5.707a1 1 0 010-1.414z"
-						clip-rule="evenodd"
-					/>
-				</svg>
-			</button>
-		</div>
-	</div>
-{/if}
-
-<div class="w-screen p-8">
-	<Swiper
-		grabCursor={true}
-		effect={'coverflow'}
-		modules={[EffectCoverflow, Pagination, Mousewheel, Navigation]}
-		navigation={true}
-		slidesPerView={1}
-		mousewheel={true}
-		centeredSlides={true}
-		coverflowEffect={{
-			rotate: 50,
-			stretch: 0,
-			depth: 100,
-			modifier: 1,
-			slideShadows: false
-		}}
-		pagination={{
-			clickable: true
-		}}
-	>
-		{#each quizzes as quiz, i}
-			<SwiperSlide>
-				<div class="flex justify-center pt-4 px-4">
-					<a href="/edit?quiz_id={quiz.id}" class="text-3xl">{@html quiz.title}</a>
-				</div>
-				<div class="flex justify-center p-10 h-full">
-					<div class="border-2 border-black rounded-lg w-5/6">
-						<Swiper
-							pagination={{
-								clickable: true
-							}}
-							keyboard={{ enabled: true }}
-							grabCursor={true}
-							navigation={true}
-							modules={[Pagination, Keyboard, Navigation]}
-						>
-							<SwiperSlide>
-								<div class="grid grid-cols-6 h-[25vh]">
-									<p
-										style="writing-mode: vertical-lr"
-										class="text-center h-full text-xl p-2"
-									>
-										{@html quiz.title}
-									</p>
-									<div class="col-start-2 col-end-6">
-										<p class="text-center">
-											{@html quiz.description}
-										</p>
-										{#if quiz.cover_image}
-											<div
-												class="flex justify-center align-middle items-center"
-											>
-												<div class="h-[20vh] m-auto w-auto">
-													<img
-														class="max-h-full max-w-full block"
-														src="/api/v1/storage/download/{quiz.cover_image}"
-														alt="Not provided"
-														loading="lazy"
-													/>
-												</div>
-											</div>
-										{/if}
-									</div>
-
-									<div class="flex justify-end">
-										<p
-											style="writing-mode: sideways-lr"
-											class="text-center text-xl p-2"
-										>
-											{@html quiz.title}
-										</p>
-									</div>
-								</div>
-
-								<p class="text-center">
-									{quiz.questions.length}
-									{$t('words.question', { count: quiz.questions.length })}
-								</p>
-
-								<div class="flex justify-center mt-4">
-									{#if quiz.public}
-										<svg
-											class="w-8 h-8 inline-block"
-											fill="none"
-											stroke="currentColor"
-											viewBox="0 0 24 24"
-											xmlns="http://www.w3.org/2000/svg"
-										>
-											<path
-												stroke-linecap="round"
-												stroke-linejoin="round"
-												stroke-width="2"
-												d="M3.055 11H5a2 2 0 012 2v1a2 2 0 002 2 2 2 0 012 2v2.945M8 3.935V5.5A2.5 2.5 0 0010.5 8h.5a2 2 0 012 2 2 2 0 104 0 2 2 0 012-2h1.064M15 20.488V18a2 2 0 012-2h3.064M21 12a9 9 0 11-18 0 9 9 0 0118 0z"
-											/>
-										</svg>
-										<span>{$t('words.public')}</span>
-									{:else}
-										<svg
-											class="w-8 h-8 inline-block"
-											fill="none"
-											stroke="currentColor"
-											viewBox="0 0 24 24"
-											xmlns="http://www.w3.org/2000/svg"
-										>
-											<path
-												stroke-linecap="round"
-												stroke-linejoin="round"
-												stroke-width="2"
-												d="M13.875 18.825A10.05 10.05 0 0112 19c-4.478 0-8.268-2.943-9.543-7a9.97 9.97 0 011.563-3.029m5.858.908a3 3 0 114.243 4.243M9.878 9.878l4.242 4.242M9.88 9.88l-3.29-3.29m7.532 7.532l3.29 3.29M3 3l3.59 3.59m0 0A9.953 9.953 0 0112 5c4.478 0 8.268 2.943 9.543 7a10.025 10.025 0 01-4.132 5.411m0 0L21 21"
-											/>
-										</svg>
-										<span>{$t('words.private')}</span>
-									{/if}
-								</div>
-								<div class="flex justify-center pb-10 pt-8">
-									<div class="grid grid-cols-2 gap-3 w-1/3">
-										<GrayButton href="/edit?quiz_id={quiz.id}"
-											>{$t('words.edit')}</GrayButton
-										>
-										<GrayButton
-											on:click={() => {
-												start_game = quiz.id;
-											}}
-										>
-											{$t('words.start')}
-										</GrayButton>
-										<GrayButton
-											on:click={() => {
-												deleteQuiz(quiz.id);
-											}}
-											flex={true}
-										>
-											<!-- heroicons/trash -->
-											<svg
-												class="w-5 h-5"
-												fill="none"
-												stroke="currentColor"
-												viewBox="0 0 24 24"
-												xmlns="http://www.w3.org/2000/svg"
-											>
-												<path
-													stroke-linecap="round"
-													stroke-linejoin="round"
-													stroke-width="2"
-													d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"
-												/>
-											</svg>
-										</GrayButton>
-										<GrayButton href="/api/v1/eximport/{quiz.id}" flex={true}
-											><!-- heroicons/download -->
-											<svg
-												class="w-5 h-5"
-												fill="none"
-												stroke="currentColor"
-												viewBox="0 0 24 24"
-												xmlns="http://www.w3.org/2000/svg"
-											>
-												<path
-													stroke-linecap="round"
-													stroke-linejoin="round"
-													stroke-width="2"
-													d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4"
-												/>
-											</svg>
-										</GrayButton>
-									</div>
-								</div>
-								<div class="flex justify-center">
-									<p
-										class="text-sm font-mono select-all cursor-pointer"
-										on:click={() => {
-											copy_id(quiz.id);
-										}}
-									>
-										{quiz.id}
-									</p>
-								</div>
-							</SwiperSlide>
-							{#each quiz.questions as question, q}
-								<SwiperSlide>
-									<div class="h-full">
-										<h5 class="text-center text-2xl">
-											{@html question.question}
-										</h5>
-										{#if question.image}
-											<div
-												use:viewport
-												on:enterViewport={() => {
-													visibleImages[i][q] = true;
-												}}
-												on:exitViewport={() => {
-													visibleImages[i][q] = false;
-												}}
-												class="flex justify-center align-middle items-center"
-											>
-												<div class="h-[30vh] m-auto w-auto">
-													{#if visibleImages?.[i]?.[q]}
-														<img
-															class="max-h-full max-w-full block"
-															src="/api/v1/storage/download/{question.image}"
-															alt="Not provided"
-														/>
-													{/if}
-												</div>
-											</div>
-										{/if}
-										<p
-											class="m-1 flex flex-row gap-2 flex-nowrap whitespace-nowrap w-full justify-center"
-										>
-											<svg
-												class="w-8 h-8 inline-block"
-												fill="none"
-												stroke="currentColor"
-												viewBox="0 0 24 24"
-												xmlns="http://www.w3.org/2000/svg"
-											>
-												<path
-													stroke-linecap="round"
-													stroke-linejoin="round"
-													stroke-width="2"
-													d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z"
-												/>
-											</svg>
-											<span class="text-lg">{question.time}s</span>
-										</p>
-										{#if question.type === QuizQuestionType.ABCD || question.type === undefined}
-											<div class="grid grid-cols-2 gap-4 m-4 p-6">
-												{#each question.answers as answer, index_answer}
-													<div
-														class="p-1 rounded-lg py-4"
-														class:bg-green-500={answer.right}
-														class:bg-red-500={!answer.right}
-													>
-														<h4 class="text-center">
-															{answer.answer}
-														</h4>
-													</div>
-												{/each}
-											</div>
-										{:else if question.type === QuizQuestionType.RANGE}
-											<p class="m-1 text-center">
-												All numbers between {question.answers.min_correct}
-												and {question.answers.max_correct} are correct, where
-												numbers between {question.answers.min} and {question
-													.answers.max} can be selected.
-											</p>
-										{:else if question.type === QuizQuestionType.VOTING}
-											<div class="grid grid-cols-2 gap-4 m-4 p-6">
-												{#each question.answers as answer}
-													<div
-														class="p-1 rounded-lg py-4 dark:bg-gray-500 bg-gray-300"
-													>
-														<h4 class="text-center">
-															{answer.answer}
-														</h4>
-													</div>
-												{/each}
-											</div>
-										{:else if question.type === QuizQuestionType.ORDER}
-											<ul class="flex flex-col gap-4 m-4 p-6">
-												{#each question.answers as answer}
-													<li
-														class="p-1 rounded-lg py-3 dark:bg-gray-500 bg-gray-300"
-													>
-														<h4 class="text-center">
-															{answer.answer}
-														</h4>
-													</li>
-												{/each}
-											</ul>
-										{:else if question.type === QuizQuestionType.SLIDE}
-											<div
-												use:viewport
-												on:enterViewport={() => {
-													visibleImages[i][q] = true;
-												}}
-												on:exitViewport={() => {
-													visibleImages[i][q] = false;
-												}}
-												class="flex justify-center align-middle items-center"
-											>
-												{#await import('$lib/play/admin/slide.svelte')}
-													<Spinner my={false} />
-												{:then c}
-													<div class="max-h-[50%] max-w-[60%]">
-														<svelte:component
-															this={c.default}
-															bind:question
-														/>
-													</div>
-												{/await}
-											</div>
-										{/if}
-									</div>
-								</SwiperSlide>
-							{/each}
-						</Swiper>
-					</div>
-				</div>
-			</SwiperSlide>
-		{/each}
-	</Swiper>
-</div>
-
-{#if start_game !== null}
-	<StartGamePopup bind:quiz_id={start_game} />
-{/if}

frontend/src/lib/dashboard/start_game.svelte

@@ -15,13 +15,13 @@ SPDX-License-Identifier: MPL-2.0
 	import { getLocalization } from '$lib/i18n';
 
 	const { t } = getLocalization();
-	export let quiz_id;
-	let captcha_selected = false;
-	let selected_game_mode = 'kahoot';
-	let loading = false;
-	let custom_field = '';
-	let cqcs_enabled = false;
-	let randomized_answers = false;
+	let { quiz_id = $bindable() } = $props();
+	let captcha_selected = $state(false);
+	let selected_game_mode = $state('kahoot');
+	let loading = $state(false);
+	let custom_field = $state('');
+	let cqcs_enabled = $state(false);
+	let randomized_answers = $state(false);
 
 	const tippy = createTippy({
 		arrow: true,
@@ -96,7 +96,7 @@ SPDX-License-Identifier: MPL-2.0
 <div
 	class="fixed top-0 left-0 flex justify-center w-screen h-screen bg-black/60 z-50 text-black"
 	transition:fade|global={{ duration: 100 }}
-	on:click={on_parent_click}
+	onclick={on_parent_click}
 >
 	<div
 		class="w-5/6 h-5/6 bg-black m-auto rounded-lg shadow-lg p-4 flex flex-col"
@@ -117,7 +117,7 @@ SPDX-License-Identifier: MPL-2.0
 				/>
 				<span
 					class="w-14 h-7 bg-gray-200 peer-focus:outline-hidden peer-focus:ring-4 peer-focus:ring-blue-300 dark:peer-focus:ring-blue-800 rounded-full peer dark:bg-gray-700 peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-0.5 after:left-[4px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-6 after:w-6 after:transition-all dark:border-gray-600 peer-checked:bg-blue-600"
-				/>
+				></span>
 				<span class="ml-3 text-sm font-medium text-gray-900"
 					>Captcha {captcha_selected ? 'enabled' : 'disabled'}</span
 				>
@@ -136,7 +136,7 @@ SPDX-License-Identifier: MPL-2.0
 			<div
 				class="rounded-lg bg-white shadow-lg cursor-pointer transition-all p-2"
 				class:opacity-50={selected_game_mode !== 'kahoot'}
-				on:click={() => {
+				onclick={() => {
 					selected_game_mode = 'kahoot';
 				}}
 			>
@@ -148,7 +148,7 @@ SPDX-License-Identifier: MPL-2.0
 			<div
 				class="rounded-lg bg-white shadow-lg cursor-pointer transition-all p-2"
 				class:opacity-50={selected_game_mode !== 'normal'}
-				on:click={() => {
+				onclick={() => {
 					selected_game_mode = 'normal';
 				}}
 			>
@@ -176,7 +176,7 @@ SPDX-License-Identifier: MPL-2.0
 				/>
 				<span
 					class="w-14 h-7 bg-gray-200 peer-focus:outline-hidden peer-focus:ring-4 peer-focus:ring-blue-300 dark:peer-focus:ring-blue-800 rounded-full peer dark:bg-gray-700 peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-0.5 after:left-[4px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-6 after:w-6 after:transition-all dark:border-gray-600 peer-checked:bg-blue-600"
-				/>
+				></span>
 				<span class="ml-3 text-sm font-medium text-gray-900"
 					><a
 						href="/controller"
@@ -204,14 +204,14 @@ SPDX-License-Identifier: MPL-2.0
 				/>
 				<span
 					class="w-14 h-7 bg-gray-200 peer-focus:outline-hidden peer-focus:ring-4 peer-focus:ring-blue-300 dark:peer-focus:ring-blue-800 rounded-full peer dark:bg-gray-700 peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-0.5 after:left-[4px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-6 after:w-6 after:transition-all dark:border-gray-600 peer-checked:bg-blue-600"
-				/>
+				></span>
 				<span class="ml-3 text-sm font-medium text-gray-900"> Randomize answers</span>
 			</label>
 		</div>
 
 		<button
 			class="mt-auto mx-auto bg-green-500 p-4 rounded-lg shadow-lg hover:bg-green-400 transition-all marck-script text-2xl"
-			on:click={() => {
+			onclick={() => {
 				start_game(quiz_id);
 			}}
 		>

frontend/src/lib/editor.svelte

@@ -5,6 +5,8 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run, preventDefault } from 'svelte/legacy';
+
 	// import { mint } from '$lib/hashcash';
 	import { dataSchema } from '$lib/yupSchemas';
 	import type { EditorData, Question } from './quiz_types';
@@ -16,13 +18,17 @@ SPDX-License-Identifier: MPL-2.0
 
 	const { t } = getLocalization();
 
-	let schemaInvalid = false;
-	let yupErrorMessage = '';
+	let schemaInvalid = $state(false);
+	let yupErrorMessage = $state('');
 
-	export let data: EditorData;
-	export let quiz_id: string | null;
-	let selected_question = -1;
-	let imgur_links_valid = false;
+	interface Props {
+		data: EditorData;
+		quiz_id: string | null;
+	}
+
+	let { data = $bindable(), quiz_id }: Props = $props();
+	let selected_question = $state(-1);
+	let imgur_links_valid = $state(false);
 
 	const validateInput = async (data: EditorData) => {
 		// console.log("input", data)
@@ -36,7 +42,9 @@ SPDX-License-Identifier: MPL-2.0
 			yupErrorMessage = err.errors ? err.errors[0] : '';
 		}
 	};
-	$: validateInput(data);
+	run(() => {
+		validateInput(data);
+	});
 
 	const checkIfAllQuestionImagesComplyWithRegex = (questions: Array<Question>) => {
 		let NoteverythingValid = false;
@@ -54,11 +62,15 @@ SPDX-License-Identifier: MPL-2.0
 		return NoteverythingValid;
 	};
 
-	$: imgur_links_valid = checkIfAllQuestionImagesComplyWithRegex(data.questions);
-	let edit_id;
+	run(() => {
+		imgur_links_valid = checkIfAllQuestionImagesComplyWithRegex(data.questions);
+	});
+	let edit_id = $state();
 	let confirm_to_leave = true;
 
-	$: console.log('data', data);
+	run(() => {
+		console.log('data', data);
+	});
 
 	const getEditID = async () => {
 		let res;
@@ -110,11 +122,11 @@ SPDX-License-Identifier: MPL-2.0
 	};
 </script>
 
-<svelte:window on:beforeunload={confirmUnload} />
+<svelte:window onbeforeunload={confirmUnload} />
 {#await getEditID()}
 	<Spinner />
 {:then _}
-	<form on:submit|preventDefault={saveQuiz}>
+	<form onsubmit={preventDefault(saveQuiz)}>
 		<div class="grid grid-cols-6 h-screen w-screen">
 			<div>
 				<Sidebar bind:data bind:selected_question />

frontend/src/lib/editor/ABCDEditorPart.svelte

@@ -5,6 +5,8 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run, preventDefault } from 'svelte/legacy';
+
 	import type { Answer, EditorData } from '../quiz_types';
 	import { QuizQuestionType } from '../quiz_types';
 	import { fade } from 'svelte/transition';
@@ -17,9 +19,13 @@ SPDX-License-Identifier: MPL-2.0
 
 	const default_colors = ['#D6EDC9', '#B07156', '#7F7057', '#4E6E58'];
 
-	export let selected_question: number;
-	export let check_choice = false;
-	export let data: EditorData;
+	interface Props {
+		selected_question: number;
+		check_choice?: boolean;
+		data: EditorData;
+	}
+
+	let { selected_question, check_choice = false, data = $bindable() }: Props = $props();
 	if (!Array.isArray(data.questions[selected_question].answers)) {
 		data.questions[selected_question].answers = [];
 	}
@@ -41,7 +47,9 @@ SPDX-License-Identifier: MPL-2.0
 			right: false
 		};
 	};
-	$: save_colors(data);
+	run(() => {
+		save_colors(data);
+	});
 	data.questions[selected_question].type =
 		check_choice === true ? QuizQuestionType.CHECK : QuizQuestionType.ABCD;
 	const set_colors_if_unset = () => {
@@ -51,11 +59,11 @@ SPDX-License-Identifier: MPL-2.0
 			}
 		}
 	};
-	$: {
+	run(() => {
 		set_colors_if_unset();
 		data;
 		selected_question;
-	}
+	});
 </script>
 
 <div class="grid grid-rows-2 grid-flow-col auto-cols-auto gap-4 w-full px-10">
@@ -73,7 +81,7 @@ SPDX-License-Identifier: MPL-2.0
 				<button
 					class="rounded-full absolute -top-2 -right-2 opacity-70 hover:opacity-100 transition"
 					type="button"
-					on:click={() => {
+					onclick={() => {
 						data.questions[selected_question].answers.splice(index, 1);
 						data.questions[selected_question].answers =
 							data.questions[selected_question].answers;
@@ -105,7 +113,7 @@ SPDX-License-Identifier: MPL-2.0
 				/>
 				<button
 					type="button"
-					on:click={() => {
+					onclick={() => {
 						answer.right = !answer.right;
 					}}
 				>
@@ -145,9 +153,9 @@ SPDX-License-Identifier: MPL-2.0
 					class="rounded-lg p-1 border-black border"
 					type="color"
 					bind:value={answer.color}
-					on:contextmenu|preventDefault={() => {
+					oncontextmenu={preventDefault(() => {
 						answer.color = default_colors[index];
-					}}
+					})}
 				/>
 			</div>
 		{/each}
@@ -157,7 +165,7 @@ SPDX-License-Identifier: MPL-2.0
 			class="p-4 rounded-lg bg-transparent border-gray-500 border-2 hover:bg-gray-300 transition dark:hover:bg-gray-600"
 			type="button"
 			in:fade={{ duration: 150 }}
-			on:click={() => {
+			onclick={() => {
 				data.questions[selected_question].answers = [
 					...data.questions[selected_question].answers,
 					{ ...get_empty_answer(data.questions[selected_question].answers.length) }

frontend/src/lib/editor/AddNewQuestionPopup.svelte

@@ -11,10 +11,14 @@ SPDX-License-Identifier: MPL-2.0
 	import { fade } from 'svelte/transition';
 	import { getLocalization } from '$lib/i18n';
 
-	export let questions: Question[];
-	export let open: boolean;
 
-	export let selected_question: number;
+	interface Props {
+		questions: Question[];
+		open: boolean;
+		selected_question: number;
+	}
+
+	let { questions = $bindable(), open = $bindable(), selected_question = $bindable() }: Props = $props();
 
 	const { t } = getLocalization();
 	onMount(() => {
@@ -96,7 +100,7 @@ SPDX-License-Identifier: MPL-2.0
 
 <div
 	class="fixed top-0 left-0 w-screen h-screen flex bg-black/50 z-50"
-	on:click={on_parent_click}
+	onclick={on_parent_click}
 	transition:fade={{ duration: 100 }}
 >
 	<div
@@ -108,7 +112,7 @@ SPDX-License-Identifier: MPL-2.0
 				<div class="rounded-sm p-6 border-[#B07156] border">
 					<button
 						class="text-xl text-black dark:text-white"
-						on:click={() => {
+						onclick={() => {
 							add_question(i);
 						}}>{qt.name}</button
 					>

frontend/src/lib/editor/MediaComponent.svelte

@@ -5,19 +5,31 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run } from 'svelte/legacy';
+
 	import { browser } from '$app/environment';
 	import { fade } from 'svelte/transition';
 	import { thumbHashToDataURL } from 'thumbhash';
 
-	export let src: string;
-	export let css_classes = 'max-h-64 h-auto w-auto';
-	export let added_thumbhash_classes = 'h-full';
-	export let muted = true;
-	export let allow_fullscreen = true;
-	let type: 'img' | 'video' | undefined = undefined;
+	interface Props {
+		src: string;
+		css_classes?: string;
+		added_thumbhash_classes?: string;
+		muted?: boolean;
+		allow_fullscreen?: boolean;
+	}
 
-	let img_data;
-	let thumbhash_data: string;
+	let {
+		src,
+		css_classes = 'max-h-64 h-auto w-auto',
+		added_thumbhash_classes = 'h-full',
+		muted = true,
+		allow_fullscreen = true
+	}: Props = $props();
+	let type: 'img' | 'video' | undefined = $state(undefined);
+
+	let img_data = $state();
+	let thumbhash_data: string = $state();
 
 	function base64ToBytes(base64: string): Uint8Array {
 		const binString = atob(base64);
@@ -46,13 +58,13 @@ SPDX-License-Identifier: MPL-2.0
 	const update_url = () => {
 		media = get_media();
 	};
-	let media = get_media();
-	$: {
+	let media = $state(get_media());
+	run(() => {
 		src;
 		update_url();
-	}
+	});
 
-	let fullscreen_open = false;
+	let fullscreen_open = $state(false);
 
 	const open_fullscreen = () => {
 		if (!allow_fullscreen) {
@@ -71,7 +83,7 @@ SPDX-License-Identifier: MPL-2.0
 			src={img_data.data}
 			alt={img_data.alt_text ?? 'Not available'}
 			class={css_classes}
-			on:click={() => open_fullscreen()}
+			onclick={() => open_fullscreen()}
 		/>
 	{:else if type === 'video'}
 		<video
@@ -95,7 +107,7 @@ SPDX-License-Identifier: MPL-2.0
 	<div
 		class="fixed top-0 left-0 z-50 w-screen h-screen bg-black/50 fle p-2"
 		transition:fade|global={{ duration: 80 }}
-		on:click={() => (fullscreen_open = false)}
+		onclick={() => (fullscreen_open = false)}
 	>
 		<img
 			src={img_data.data}

frontend/src/lib/editor/OrderEditorPart.svelte

@@ -5,6 +5,8 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run, preventDefault } from 'svelte/legacy';
+
 	import { getLocalization } from '$lib/i18n';
 	import type { EditorData, OrderQuizAnswer } from '$lib/quiz_types';
 	import { fade } from 'svelte/transition';
@@ -13,10 +15,14 @@ SPDX-License-Identifier: MPL-2.0
 
 	const { t } = getLocalization();
 
-	export let selected_question: number;
-	export let data: EditorData;
+	interface Props {
+		selected_question: number;
+		data: EditorData;
+	}
 
-	let parent_el: HTMLDivElement;
+	let { selected_question, data = $bindable() }: Props = $props();
+
+	let parent_el: HTMLDivElement = $state();
 
 	const swapArrayElements = (arr: OrderQuizAnswer[], a: number, b: number): Array<any> => {
 		let _arr = [...arr];
@@ -60,11 +66,11 @@ SPDX-License-Identifier: MPL-2.0
 			}
 		}
 	};
-	$: {
+	run(() => {
 		set_colors_if_unset();
 		data;
 		selected_question;
-	}
+	});
 </script>
 
 <div class="w-full">
@@ -78,7 +84,7 @@ SPDX-License-Identifier: MPL-2.0
 				<button
 					class="rounded-full absolute -top-2 -right-2 opacity-70 hover:opacity-100 transition"
 					type="button"
-					on:click={() => {
+					onclick={() => {
 						data.questions[selected_question].answers.splice(i, 1);
 						data.questions[selected_question].answers =
 							data.questions[selected_question].answers;
@@ -101,7 +107,7 @@ SPDX-License-Identifier: MPL-2.0
 				</button>
 				<div>
 					<button
-						on:click={() => {
+						onclick={() => {
 							move_item(true, i);
 						}}
 						class="disabled:opacity-50 transition"
@@ -126,7 +132,7 @@ SPDX-License-Identifier: MPL-2.0
 						</svg>
 					</button>
 					<button
-						on:click={() => {
+						onclick={() => {
 							move_item(false, i);
 						}}
 						class="disabled:opacity-50 transition"
@@ -164,9 +170,9 @@ SPDX-License-Identifier: MPL-2.0
 					class="rounded-lg p-1 border-black border"
 					type="color"
 					bind:value={answer.color}
-					on:contextmenu|preventDefault={() => {
+					oncontextmenu={preventDefault(() => {
 						answer.color = null;
-					}}
+					})}
 				/>
 			</div>
 		{/each}
@@ -178,7 +184,7 @@ SPDX-License-Identifier: MPL-2.0
 				class="p-4 rounded-lg bg-transparent border-gray-500 border-2 hover:bg-gray-300 transition dark:hover:bg-gray-600 m-2 w-full"
 				type="button"
 				in:fade={{ duration: 150 }}
-				on:click={() => {
+				onclick={() => {
 					data.questions[selected_question].answers = [
 						...data.questions[selected_question].answers,
 						{

frontend/src/lib/editor/RangeSelectorEditorPart.svelte

@@ -5,11 +5,17 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run } from 'svelte/legacy';
+
 	import type { EditorData } from '../quiz_types';
 	import Spinner from '../Spinner.svelte';
 
-	export let selected_question: number;
-	export let data: EditorData;
+	interface Props {
+		selected_question: number;
+		data: EditorData;
+	}
+
+	let { selected_question, data = $bindable() }: Props = $props();
 
 	let question = data.questions[selected_question];
 	if (question.answers.max === undefined || question.answers.min_correct === undefined) {
@@ -35,17 +41,25 @@ SPDX-License-Identifier: MPL-2.0
 
  */
 	let answer = question.answers;
-	let range_arr = [answer.min_correct, answer.max_correct];
-	$: data.questions[selected_question].answers.min_correct = range_arr[0];
-	$: data.questions[selected_question].answers.max_correct = range_arr[1];
-	$: data.questions[selected_question].answers.min =
-		data.questions[selected_question].answers.min === null
-			? 0
-			: data.questions[selected_question].answers.min;
-	$: data.questions[selected_question].answers.max =
-		data.questions[selected_question].answers.max === null
-			? 0
-			: data.questions[selected_question].answers.max;
+	let range_arr = $state([answer.min_correct, answer.max_correct]);
+	run(() => {
+		data.questions[selected_question].answers.min_correct = range_arr[0];
+	});
+	run(() => {
+		data.questions[selected_question].answers.max_correct = range_arr[1];
+	});
+	run(() => {
+		data.questions[selected_question].answers.min =
+			data.questions[selected_question].answers.min === null
+				? 0
+				: data.questions[selected_question].answers.min;
+	});
+	run(() => {
+		data.questions[selected_question].answers.max =
+			data.questions[selected_question].answers.max === null
+				? 0
+				: data.questions[selected_question].answers.max;
+	});
 
 	function sleep(ms) {
 		return new Promise((resolve) => setTimeout(resolve, ms));
@@ -78,8 +92,7 @@ SPDX-License-Identifier: MPL-2.0
 			{#await sleep(100)}
 				<Spinner my_20={false} />
 			{:then _}
-				<svelte:component
-					this={c.default}
+				<c.default
 					bind:values={range_arr}
 					bind:min={data.questions[selected_question].answers.min}
 					bind:max={data.questions[selected_question].answers.max}

frontend/src/lib/editor/TextEditorPart.svelte

@@ -12,8 +12,12 @@ SPDX-License-Identifier: MPL-2.0
 	import { TextQuestionSchema } from '$lib/yupSchemas';
 	import { createTippy } from 'svelte-tippy';
 
-	export let selected_question: number;
-	export let data: EditorData;
+	interface Props {
+		selected_question: number;
+		data: EditorData;
+	}
+
+	let { selected_question, data = $bindable() }: Props = $props();
 
 	const { t } = getLocalization();
 
@@ -56,7 +60,7 @@ SPDX-License-Identifier: MPL-2.0
 				<button
 					class="rounded-full absolute -top-2 -right-2 opacity-70 hover:opacity-100 transition"
 					type="button"
-					on:click={() => {
+					onclick={() => {
 						data.questions[selected_question].answers.splice(index, 1);
 						data.questions[selected_question].answers =
 							data.questions[selected_question].answers;
@@ -85,7 +89,7 @@ SPDX-License-Identifier: MPL-2.0
 				/>
 				<button
 					type="button"
-					on:click={() => {
+					onclick={() => {
 						answer.case_sensitive = !answer.case_sensitive;
 					}}
 					use:tippy={{ content: 'Case sensitive?', placement: 'top' }}
@@ -130,7 +134,7 @@ SPDX-License-Identifier: MPL-2.0
 			class="p-4 rounded-lg bg-transparent border-gray-500 border-2 hover:bg-gray-300 transition dark:hover:bg-gray-600"
 			type="button"
 			in:fade={{ duration: 150 }}
-			on:click={() => {
+			onclick={() => {
 				data.questions[selected_question].answers = [
 					...data.questions[selected_question].answers,
 					{ ...get_empty_answer() }

frontend/src/lib/editor/VotingEditorPart.svelte

@@ -5,6 +5,8 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run, preventDefault } from 'svelte/legacy';
+
 	import type { EditorData } from '../quiz_types';
 	import { fade } from 'svelte/transition';
 	import { reach } from 'yup';
@@ -15,8 +17,12 @@ SPDX-License-Identifier: MPL-2.0
 	const { t } = getLocalization();
 
 	const default_colors = ['#D6EDC9', '#B07156', '#7F7057', '#4E6E58'];
-	export let selected_question: number;
-	export let data: EditorData;
+	interface Props {
+		selected_question: number;
+		data: EditorData;
+	}
+
+	let { selected_question, data = $bindable() }: Props = $props();
 
 	if (!Array.isArray(data.questions[selected_question].answers)) {
 		data.questions[selected_question].answers = [];
@@ -35,11 +41,11 @@ SPDX-License-Identifier: MPL-2.0
 			}
 		}
 	};
-	$: {
+	run(() => {
 		set_colors_if_unset();
 		data;
 		selected_question;
-	}
+	});
 	/*console.log(data.questions[selected_question].answers, 'moIn!', data.questions[selected_question].answers.length);
     onMount(() => {
         for (let i = 0; i < data.questions[selected_question].answers; i++) {
@@ -64,7 +70,7 @@ SPDX-License-Identifier: MPL-2.0
 				<button
 					class="rounded-full absolute -top-2 -right-2 opacity-70 hover:opacity-100 transition"
 					type="button"
-					on:click={() => {
+					onclick={() => {
 						data.questions[selected_question].answers.splice(index, 1);
 						data.questions[selected_question].answers =
 							data.questions[selected_question].answers;
@@ -97,9 +103,9 @@ SPDX-License-Identifier: MPL-2.0
 					class="rounded-lg p-1 border-black border"
 					type="color"
 					bind:value={answer.color}
-					on:contextmenu|preventDefault={() => {
+					oncontextmenu={preventDefault(() => {
 						answer.color = default_colors[index];
-					}}
+					})}
 				/>
 			</div>
 		{/each}
@@ -109,7 +115,7 @@ SPDX-License-Identifier: MPL-2.0
 			class="p-4 rounded-lg bg-transparent border-gray-500 border-2 hover:bg-gray-300 transition dark:hover:bg-gray-600"
 			type="button"
 			in:fade={{ duration: 150 }}
-			on:click={() => {
+			onclick={() => {
 				data.questions[selected_question].answers = [
 					...data.questions[selected_question].answers,
 					{

frontend/src/lib/editor/card.svelte

@@ -5,6 +5,8 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run } from 'svelte/legacy';
+
 	import type { EditorData } from '$lib/quiz_types';
 	import { QuizQuestionType } from '$lib/quiz_types';
 	import RangeEditor from '$lib/editor/RangeSelectorEditorPart.svelte';
@@ -26,14 +28,18 @@ SPDX-License-Identifier: MPL-2.0
 		placement: 'top'
 	});
 
-	export let data: EditorData;
-	export let selected_question: number;
-	export let edit_id: string;
+	interface Props {
+		data: EditorData;
+		selected_question: number;
+		edit_id: string;
+	}
 
-	let advanced_options_open = false;
+	let { data = $bindable(), selected_question = $bindable(), edit_id = $bindable() }: Props = $props();
 
-	let uppyOpen = false;
-	let unique = {};
+	let advanced_options_open = $state(false);
+
+	let uppyOpen = $state(false);
+	let unique = $state({});
 
 	/*eslint no-unused-vars: ["error", { "argsIgnorePattern": "^_" }]*/
 	const correctTimeInput = (_) => {
@@ -51,21 +57,23 @@ SPDX-License-Identifier: MPL-2.0
 	const set_unique = () => {
 		unique = {};
 	};
-	$: correctTimeInput(data.questions[selected_question].time);
-	$: {
+	run(() => {
+		correctTimeInput(data.questions[selected_question].time);
+	});
+	run(() => {
 		selected_question;
 		set_unique();
-	}
-	let image_url = '';
+	});
+	let image_url = $state('');
 
 	const update_image_url = () => {
 		image_url = data.questions[selected_question].image;
 	};
-	$: {
+	run(() => {
 		update_image_url();
 		selected_question;
 		data.questions;
-	}
+	});
 
 	const type_to_name = {
 		RANGE: $t('words.range'),
@@ -90,18 +98,18 @@ SPDX-License-Identifier: MPL-2.0
 			<div class="flex align-middle p-4 gap-3">
 				<span
 					class="inline-block bg-gray-600 w-4 h-4 rounded-full hover:bg-red-400 transition"
-				/>
+				></span>
 				<span
 					class="inline-block bg-gray-600 w-4 h-4 rounded-full hover:bg-yellow-400 transition"
-				/>
+				></span>
 				<span
 					class="inline-block bg-gray-600 w-4 h-4 rounded-full hover:bg-green-400 transition"
-				/>
+				></span>
 				<button
 					class="ml-auto"
 					type="button"
 					use:tippy={{ content: $t('editor.advanced_settings') }}
-					on:click={() => (advanced_options_open = true)}
+					onclick={() => (advanced_options_open = true)}
 				>
 					<svg
 						class="text-white w-5 h-5"
@@ -130,7 +138,7 @@ SPDX-License-Identifier: MPL-2.0
 			{#await import('./slide.svelte')}
 				<Spinner my_20={false} />
 			{:then c}
-				<svelte:component this={c.default} bind:data={data.questions[selected_question]} />
+				<c.default bind:data={data.questions[selected_question]} />
 			{/await}
 		{:else}
 			{@const type = data.questions[selected_question].type}
@@ -147,8 +155,7 @@ SPDX-License-Identifier: MPL-2.0
 									'questions[].question'
 								).isValidSync(data.questions[selected_question].question)}
 							>
-								<svelte:component
-									this={c.default}
+								<c.default
 									bind:text={data.questions[selected_question].question}
 								/>
 							</div>
@@ -161,7 +168,7 @@ SPDX-License-Identifier: MPL-2.0
 							<button
 								class="rounded-full absolute -top-2 -right-2 opacity-70 hover:opacity-100 transition"
 								type="button"
-								on:click={() => {
+								onclick={() => {
 									data.questions[selected_question].image = null;
 								}}
 							>
@@ -187,8 +194,7 @@ SPDX-License-Identifier: MPL-2.0
 					{#await import('$lib/editor/uploader.svelte')}
 						<Spinner my_20={false} />
 					{:then c}
-						<svelte:component
-							this={c.default}
+						<c.default
 							bind:modalOpen={uppyOpen}
 							bind:edit_id
 							bind:data
@@ -231,8 +237,7 @@ SPDX-License-Identifier: MPL-2.0
 						{#await import('$lib/editor/ABCDEditorPart.svelte')}
 							<Spinner my_20={false} />
 						{:then c}
-							<svelte:component
-								this={c.default}
+							<c.default
 								bind:data
 								bind:selected_question
 								check_choice={type === QuizQuestionType.CHECK}
@@ -244,19 +249,19 @@ SPDX-License-Identifier: MPL-2.0
 						{#await import('$lib/editor/VotingEditorPart.svelte')}
 							<Spinner my_20={false} />
 						{:then c}
-							<svelte:component this={c.default} bind:data bind:selected_question />
+							<c.default bind:data bind:selected_question />
 						{/await}
 					{:else if type === QuizQuestionType.TEXT}
 						{#await import('$lib/editor/TextEditorPart.svelte')}
 							<Spinner my_20={false} />
 						{:then c}
-							<svelte:component this={c.default} bind:data bind:selected_question />
+							<c.default bind:data bind:selected_question />
 						{/await}
 					{:else if type === QuizQuestionType.ORDER}
 						{#await import('$lib/editor/OrderEditorPart.svelte')}
 							<Spinner my_20={false} />
 						{:then c}
-							<svelte:component this={c.default} bind:data bind:selected_question />
+							<c.default bind:data bind:selected_question />
 						{/await}
 					{/if}
 				</div>

frontend/src/lib/editor/settings-card.svelte

@@ -5,6 +5,8 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run, preventDefault } from 'svelte/legacy';
+
 	import type { EditorData } from '$lib/quiz_types';
 	import { getLocalization } from '$lib/i18n';
 	import Spinner from '$lib/Spinner.svelte';
@@ -12,19 +14,25 @@ SPDX-License-Identifier: MPL-2.0
 
 	const { t } = getLocalization();
 
-	let uppyOpen = false;
-	let bg_uppy_open = false;
+	let uppyOpen = $state(false);
+	let bg_uppy_open = $state(false);
 
-	export let edit_id: string;
-	export let data: EditorData;
+	interface Props {
+		edit_id: string;
+		data: EditorData;
+	}
 
-	let custom_bg_color = Boolean(data.background_color);
+	let { edit_id = $bindable(), data = $bindable() }: Props = $props();
+
+	let custom_bg_color = $state(Boolean(data.background_color));
 	const tippy = createTippy({
 		arrow: true,
 		animation: 'perspective-subtle'
 	});
 
-	$: data.background_color = custom_bg_color ? data.background_color : undefined;
+	run(() => {
+		data.background_color = custom_bg_color ? data.background_color : undefined;
+	});
 </script>
 
 <div class="w-full h-full pb-20 px-20">
@@ -33,13 +41,13 @@ SPDX-License-Identifier: MPL-2.0
 			<div class="flex align-middle p-4 gap-3">
 				<span
 					class="inline-block bg-gray-600 w-4 h-4 rounded-full hover:bg-red-400 transition"
-				/>
+				></span>
 				<span
 					class="inline-block bg-gray-600 w-4 h-4 rounded-full hover:bg-yellow-400 transition"
-				/>
+				></span>
 				<span
 					class="inline-block bg-gray-600 w-4 h-4 rounded-full hover:bg-green-400 transition"
-				/>
+				></span>
 			</div>
 		</div>
 		<div
@@ -57,7 +65,7 @@ SPDX-License-Identifier: MPL-2.0
 				{#await import('$lib/inline-editor.svelte')}
 					<Spinner my_20={false} />
 				{:then c}
-					<svelte:component this={c.default} bind:text={data.title} />
+					<c.default bind:text={data.title} />
 				{/await}
 			</div>
 			<div class="flex justify-center pt-10 w-full max-h-32">
@@ -66,7 +74,7 @@ SPDX-License-Identifier: MPL-2.0
 					placeholder="Description"
 					bind:value={data.description}
 					class="p-3 rounded-lg border-gray-500 border text-center w-1/3 h-20 resize-none dark:bg-gray-500 outline-hidden focus:shadow-2xl transition-all"
-				/>
+				></textarea>
 			</div>
 
 			{#if data.cover_image != undefined && data.cover_image !== ''}
@@ -75,17 +83,16 @@ SPDX-License-Identifier: MPL-2.0
 						src="/api/v1/storage/download/{data.cover_image}"
 						alt="not available"
 						class="max-h-72 h-auto w-auto"
-						on:contextmenu|preventDefault={() => {
+						oncontextmenu={preventDefault(() => {
 							data.cover_image = null;
-						}}
+						})}
 					/>
 				</div>
 			{:else}
 				{#await import('$lib/editor/uploader.svelte')}
 					<Spinner my_20={false} />
 				{:then c}
-					<svelte:component
-						this={c.default}
+					<c.default
 						bind:modalOpen={uppyOpen}
 						bind:edit_id
 						bind:data
@@ -96,7 +103,7 @@ SPDX-License-Identifier: MPL-2.0
 			<div class="pt-10 w-full flex justify-center">
 				<button
 					type="button"
-					on:click={() => {
+					onclick={() => {
 						data.public = !data.public;
 					}}
 					class="text-center w-fit"
@@ -149,7 +156,7 @@ SPDX-License-Identifier: MPL-2.0
 						>
 							<span
 								class="inline-block w-full h-full bg-[#d6edc9] dark:bg-[#4e6e58]"
-							/>
+							></span>
 						</div>
 					</div>
 					<div>
@@ -165,7 +172,7 @@ SPDX-License-Identifier: MPL-2.0
 							/>
 							<span
 								class="w-14 h-7 bg-gray-200 peer-focus:outline-hidden peer-focus:ring-4 peer-focus:ring-blue-300 dark:peer-focus:ring-blue-800 rounded-full peer dark:bg-gray-800 peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-0.5 after:left-[4px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-6 after:w-6 after:transition-all dark:border-gray-600 peer-checked:bg-blue-600"
-							/>
+							></span>
 						</label>
 					</div>
 					<div
@@ -188,7 +195,7 @@ SPDX-License-Identifier: MPL-2.0
 			<div class="w-full flex justify-center -mt-8">
 				{#if data.background_image}
 					<button
-						on:click={() => {
+						onclick={() => {
 							data.background_image = undefined;
 						}}
 						class="mt-10 bg-red-500 p-2 rounded-lg border-2 border-black transition hover:bg-red-400"
@@ -200,8 +207,7 @@ SPDX-License-Identifier: MPL-2.0
 							<Spinner my_20={false} />
 						</div>
 					{:then c}
-						<svelte:component
-							this={c.default}
+						<c.default
 							bind:modalOpen={bg_uppy_open}
 							bind:edit_id
 							bind:data

frontend/src/lib/editor/sidebar.svelte

@@ -17,19 +17,23 @@ SPDX-License-Identifier: MPL-2.0
 
 	const { t } = getLocalization();
 
-	export let data: EditorData;
-	export let selected_question = -1;
+	interface Props {
+		data: EditorData;
+		selected_question?: any;
+	}
 
-	let reorder_mode = false;
+	let { data = $bindable(), selected_question = $bindable(-1) }: Props = $props();
+
+	let reorder_mode = $state(false);
 
 	const tippy = createTippy({
 		arrow: true,
 		animation: 'perspective-subtle',
 		placement: 'right'
 	});
-	let arr_of_cards = Array(data.questions.length);
-	let propertyCard;
-	let add_new_question_popup_open = false;
+	let arr_of_cards = $state(Array(data.questions.length));
+	let propertyCard = $state();
+	let add_new_question_popup_open = $state(false);
 
 	const empy_slide: Question = {
 		type: QuizQuestionType.SLIDE,
@@ -85,7 +89,7 @@ SPDX-License-Identifier: MPL-2.0
 			class="bg-white shadow-smrounded-lg h-40 p-2 mb-6 hover:cursor-pointer drop-shadow-2xl border border-gray-500 dark:bg-gray-600 transition"
 			class:bg-green-300={selected_question === -1}
 			class:dark:bg-green-500={selected_question === -1}
-			on:click={() => setSelectedQuestion(-1)}
+			onclick={() => setSelectedQuestion(-1)}
 		>
 			<div
 				use:tippy={{ content: data.title === '' ? "It's empty!" : data.title }}
@@ -119,7 +123,7 @@ SPDX-License-Identifier: MPL-2.0
 					bind:value={data.description}
 					class="bg-transparent resize-none w-full rounded-sm text-sm dark:text-white"
 					class:dark:text-black={selected_question === -1}
-				/>
+				></textarea>
 			</div>
 			<div
 				class="w-full flex justify-center dark:text-white"
@@ -127,7 +131,7 @@ SPDX-License-Identifier: MPL-2.0
 			>
 				<button
 					type="button"
-					on:click={() => {
+					onclick={() => {
 						data.public = !data.public;
 					}}
 					class="text-center"
@@ -173,7 +177,7 @@ SPDX-License-Identifier: MPL-2.0
 				class="bg-white shadow-smrounded-lg h-40 p-2 mb-6 hover:cursor-pointer drop-shadow-2xl border border-gray-500 dark:bg-gray-600 transition relative"
 				class:bg-green-300={index === selected_question}
 				class:dark:bg-green-500={index === selected_question}
-				on:click={() => {
+				onclick={() => {
 					setSelectedQuestion(index);
 				}}
 				bind:this={arr_of_cards[index]}
@@ -190,7 +194,7 @@ SPDX-License-Identifier: MPL-2.0
 							aria-label="Move card up"
 							class:opacity-50={index === 0}
 							class:pointer-events-none={index === 0}
-							on:click={() =>
+							onclick={() =>
 								(data.questions = swapArrayElements(
 									data.questions,
 									index,
@@ -219,7 +223,7 @@ SPDX-License-Identifier: MPL-2.0
 							aria-label="Move card down"
 							class:opacity-50={index + 1 === data.questions.length}
 							class:pointer-events-none={index + 1 === data.questions.length}
-							on:click={() =>
+							onclick={() =>
 								(data.questions = swapArrayElements(
 									data.questions,
 									index,
@@ -248,7 +252,7 @@ SPDX-License-Identifier: MPL-2.0
 				<button
 					class="rounded-full absolute -top-3 -right-3 opacity-70 hover:opacity-100 transition"
 					type="button"
-					on:click={() => {
+					onclick={() => {
 						if (confirm('Do you really want to delete this Question?')) {
 							selected_question = -1;
 							data.questions.splice(index, 1);
@@ -380,7 +384,7 @@ SPDX-License-Identifier: MPL-2.0
 			<button
 				type="button"
 				class="h-full flex justify-center w-full flex-col border-r border-black dark:text-white"
-				on:click={() => {
+				onclick={() => {
 					add_new_question_popup_open = true;
 				}}
 			>
@@ -403,7 +407,7 @@ SPDX-License-Identifier: MPL-2.0
 			<button
 				type="button"
 				class="h-full flex justify-center w-full dark:text-white flex-col"
-				on:click={() => {
+				onclick={() => {
 					data.questions = [...data.questions, { ...empy_slide }];
 				}}
 			>

frontend/src/lib/editor/slide.svelte

@@ -5,6 +5,8 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run } from 'svelte/legacy';
+
 	import type { Question } from '$lib/quiz_types';
 	import { ElementTypes, QuizQuestionType } from '$lib/quiz_types';
 	import ElementSelection from './slides/element_selection.svelte';
@@ -15,21 +17,25 @@ SPDX-License-Identifier: MPL-2.0
 	import type { Konva, ShapeModel } from 'pikaso';
 	import { browser } from '$app/environment';
 
-	export let data: Question = {
+	interface Props {
+		data?: Question;
+	}
+
+	let { data = $bindable({
 		type: QuizQuestionType.SLIDE,
 		time: '120',
 		question: '',
 		image: undefined,
 		answers: ''
-	};
-	let selected_element = undefined;
-	let canvas_el: HTMLDivElement | undefined;
+	}) }: Props = $props();
+	let selected_element = $state(undefined);
+	let canvas_el: HTMLDivElement | undefined = $state();
 	let canvas: Pikaso;
-	let selected_el: null | ShapeModel<Konva.Shape | Konva.Group, Konva.ShapeConfig> = null;
+	let selected_el: null | ShapeModel<Konva.Shape | Konva.Group, Konva.ShapeConfig> = $state(null);
 
 	let elements_binds: Array<HTMLElement> | undefined = [];
-	let main_el: undefined | HTMLElement;
-	let settings_menu_open = false;
+	let main_el: undefined | HTMLElement = $state();
+	let settings_menu_open = $state(false);
 
 	const set_correct_height = new ResizeObserver((e) => {
 		for (const i of e) {
@@ -87,11 +93,11 @@ SPDX-License-Identifier: MPL-2.0
 		}
 	};
 
-	$: {
+	run(() => {
 		if (selected_element) {
 			add_text_field();
 		}
-	}
+	});
 	const assign_resize_handlers = () => {
 		for (let i = 0; i < elements_binds.length; i++) {
 			set_correct_height.observe(elements_binds[i]);
@@ -105,10 +111,10 @@ SPDX-License-Identifier: MPL-2.0
 			}
 		}*/
 
-	$: {
+	run(() => {
 		elements_binds;
 		assign_resize_handlers();
-	}
+	});
 
 	onMount(() => {
 		/*		setTimeout(() => {
@@ -172,7 +178,7 @@ SPDX-License-Identifier: MPL-2.0
 		<div class="flex flex-col pl-2 rounded-t-lg z-40 pt-2">
 			<button
 				class="mr-auto"
-				on:click={() => {
+				onclick={() => {
 					settings_menu_open = !settings_menu_open;
 				}}
 				type="button"
@@ -212,7 +218,7 @@ SPDX-License-Identifier: MPL-2.0
 		<div class="flex flex-col pr-2 rounded-t-lg z-40 pt-2">
 			<button
 				class="ml-auto"
-				on:click={() => {
+				onclick={() => {
 					selected_element = selected_element === null ? undefined : null;
 				}}
 				type="button"
@@ -240,5 +246,5 @@ SPDX-License-Identifier: MPL-2.0
 			{/if}
 		</div>
 	</div>
-	<div bind:this={canvas_el} class="w-full h-full block" />
+	<div bind:this={canvas_el} class="w-full h-full block"></div>
 </div>

frontend/src/lib/editor/slides/edit_menu.svelte

@@ -5,14 +5,20 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run } from 'svelte/legacy';
+
 	import type { Konva, ShapeModel } from 'pikaso';
 	import { fade } from 'svelte/transition';
 
-	export let selected_el: null | ShapeModel<Konva.Shape | Konva.Group, Konva.ShapeConfig>;
+	interface Props {
+		selected_el: null | ShapeModel<Konva.Shape | Konva.Group, Konva.ShapeConfig>;
+	}
 
-	let opened_dropdown = null;
+	let { selected_el }: Props = $props();
 
-	let available_modifiers: Array<string> = [];
+	let opened_dropdown = $state(null);
+
+	let available_modifiers: Array<string> = $state([]);
 
 	const set_available_modifiers = () => {
 		available_modifiers = [];
@@ -32,10 +38,10 @@ SPDX-License-Identifier: MPL-2.0
 		}
 	};
 
-	$: {
+	run(() => {
 		selected_el;
 		set_available_modifiers();
-	}
+	});
 
 	const toggle_switch = (el: string) => {
 		if (opened_dropdown) {
@@ -62,9 +68,11 @@ SPDX-License-Identifier: MPL-2.0
 		});
 	};
 
-	$: if (!selected_el) {
-		opened_dropdown = null;
-	}
+	run(() => {
+		if (!selected_el) {
+			opened_dropdown = null;
+		}
+	});
 </script>
 
 <div class="flex flex-row justify-evenly z-40">
@@ -76,7 +84,7 @@ SPDX-License-Identifier: MPL-2.0
 				available_modifiers.includes('fill_color') ||
 				available_modifiers.includes('text_color')
 			)}
-			on:click={() => {
+			onclick={() => {
 				toggle_switch('color');
 			}}
 		>
@@ -103,7 +111,7 @@ SPDX-License-Identifier: MPL-2.0
 				class="bg-white m-auto rounded-lg shadow-lg p-4 dark:bg-gray-600 h-fit gap-2 w-fit auto-cols-min flex absolute z-40"
 				transition:fade|global={{ duration: 100 }}
 			>
-				<input type="color" on:change={change_color} />
+				<input type="color" onchange={change_color} />
 			</div>
 		{/if}
 	</div>
@@ -111,7 +119,7 @@ SPDX-License-Identifier: MPL-2.0
 		<button
 			type="button"
 			class="disabled:opacity-50 transition"
-			on:click={() => {
+			onclick={() => {
 				toggle_switch('font_size');
 			}}
 			disabled={!available_modifiers.includes('font_size')}
@@ -141,7 +149,7 @@ SPDX-License-Identifier: MPL-2.0
 			>
 				<input
 					type="range"
-					on:change={change_fontsize}
+					onchange={change_fontsize}
 					value={selected_el?.node?.children?.[1]?.attrs?.fontSize}
 					min="10"
 					max="250"
@@ -153,7 +161,7 @@ SPDX-License-Identifier: MPL-2.0
 		<button
 			type="button"
 			class="disabled:opacity-50 transition"
-			on:click={() => {
+			onclick={() => {
 				selected_el.update({ zIndex: selected_el.node.getZIndex() + 1 });
 			}}
 			disabled={!selected_el}
@@ -179,7 +187,7 @@ SPDX-License-Identifier: MPL-2.0
 		<button
 			type="button"
 			class="disabled:opacity-50 transition"
-			on:click={() => {
+			onclick={() => {
 				selected_el.update({ zIndex: selected_el.node.getZIndex() - 1 });
 			}}
 			disabled={!selected_el}

frontend/src/lib/editor/slides/element_selection.svelte

@@ -11,7 +11,7 @@ SPDX-License-Identifier: MPL-2.0
 	import { getLocalization } from '$lib/i18n';
 
 	const { t } = getLocalization();
-	export let selected_element;
+	let { selected_element = $bindable() } = $props();
 	const keybinding_list = {
 		t: ElementTypes.Text,
 		h: ElementTypes.Headline,
@@ -81,7 +81,7 @@ SPDX-License-Identifier: MPL-2.0
 		{#each element_list as el}
 			<li
 				class="flex flex-row mt-4 w-full bg-gray-200 shadow-xl rounded-lg p-2 hover:bg-gray-300 hover:shadow-2xl hover:cursor-pointer transition dark:bg-gray-800"
-				on:click={() => {
+				onclick={() => {
 					selected_element = el.type;
 				}}
 			>

frontend/src/lib/editor/slides/settings_menu.svelte

@@ -5,13 +5,16 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run } from 'svelte/legacy';
+
 	import { fade } from 'svelte/transition';
 
-	export let title;
-	export let time;
-	let time_local = 120;
+	let { title = $bindable(), time = $bindable() } = $props();
+	let time_local = $state(120);
 	/*eslint no-unused-vars: ["error", { "argsIgnorePattern": "^_" }]*/
-	$: time = String(time_local);
+	run(() => {
+		time = String(time_local);
+	});
 	if (time) {
 		time_local = parseInt(time);
 	}

frontend/src/lib/editor/slides/types/circle.svelte

@@ -5,8 +5,12 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
-	export let data: string;
-	export let editor = true;
+	interface Props {
+		data: string;
+		editor?: boolean;
+	}
+
+	let { data = $bindable(), editor = true }: Props = $props();
 
 	if (!data) {
 		data = '#ed333b';

frontend/src/lib/editor/slides/types/headline.svelte

@@ -5,8 +5,12 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
-	export let data;
-	export let editor = true;
+	interface Props {
+		data: any;
+		editor?: boolean;
+	}
+
+	let { data = $bindable(), editor = true }: Props = $props();
 </script>
 
 {#if editor}

frontend/src/lib/editor/slides/types/rectangle.svelte

@@ -5,8 +5,12 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
-	export let data: string;
-	export let editor = true;
+	interface Props {
+		data: string;
+		editor?: boolean;
+	}
+
+	let { data = $bindable(), editor = true }: Props = $props();
 
 	if (!data) {
 		data = '#ed333b';

frontend/src/lib/editor/slides/types/text.svelte

@@ -5,12 +5,16 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
-	export let data;
-	export let editor = true;
+	interface Props {
+		data: any;
+		editor?: boolean;
+	}
+
+	let { data = $bindable(), editor = true }: Props = $props();
 </script>
 
 {#if editor}
-	<textarea bind:value={data} class="w-full h-full dark:text-black resize-none" />
+	<textarea bind:value={data} class="w-full h-full dark:text-black resize-none"></textarea>
 {:else}
 	<p>{data}</p>
 {/if}

frontend/src/lib/editor/uploader.svelte

@@ -3,7 +3,6 @@ SPDX-FileCopyrightText: 2023 Marlon W (Mawoka)
 
 SPDX-License-Identifier: MPL-2.0
 -->
-
 <script lang="ts">
 	import { Dashboard as SvelteDashboard } from '@uppy/svelte';
 	import Uppy from '@uppy/core';
@@ -27,18 +26,26 @@ SPDX-License-Identifier: MPL-2.0
 	import Pixabay from '$lib/editor/uploader/Pixabay.svelte';
 
 	const { t } = getLocalization();
-
-	export let modalOpen = false;
-	export let edit_id: string;
-	export let data: EditorData;
-	export let selected_question: number;
-	export let video_upload = false;
-	export let library_enabled = true;
+	let {
+		modalOpen = false,
+		edit_id,
+		data,
+		selected_question,
+		video_upload = false,
+		library_enabled = true
+	}: {
+		modalOpen: boolean;
+		edit_id: string;
+		data: EditorData;
+		selected_question: number;
+		video_upload: boolean;
+		library_enabled: boolean;
+	} = $props();
 
 	// eslint-disable-next-line no-undef
-	let video_popup: undefined | WindowProxy = undefined;
+	let video_popup: undefined | WindowProxy = $state(undefined);
 
-	let selected_type: AvailableUploadTypes | null = null;
+	let selected_type: AvailableUploadTypes | null = $state(null);
 
 	// eslint-disable-next-line no-unused-vars
 	enum AvailableUploadTypes {
@@ -67,7 +74,7 @@ SPDX-License-Identifier: MPL-2.0
 		.use(XHRUpload, {
 			endpoint: `/api/v1/storage/`
 		});
-	const props = {
+	const properties = {
 		inline: true,
 		restrictions: {
 			maxFileSize: 10_490_000,
@@ -134,7 +141,7 @@ SPDX-License-Identifier: MPL-2.0
 {#if modalOpen}
 	<div
 		class="w-screen h-screen fixed top-0 left-0 bg-black/50 z-20 flex justify-center"
-		on:click={handle_on_click}
+		onclick={handle_on_click}
 		transition:fade={{ duration: 100 }}
 	>
 		{#if selected_type === null}
@@ -181,7 +188,7 @@ SPDX-License-Identifier: MPL-2.0
 		{:else if selected_type === AvailableUploadTypes.Image}
 			<div class="m-auto w-1/3 h-5/6" transition:fade={{ duration: 100 }}>
 				<div>
-					<SvelteDashboard {uppy} width="100%" {props} />
+					<SvelteDashboard {uppy} width="100%" {properties} />
 				</div>
 			</div>
 		{:else if selected_type === AvailableUploadTypes.Video}
@@ -215,7 +222,7 @@ SPDX-License-Identifier: MPL-2.0
 	<button
 		class="rounded-lg p-4 flex justify-center bg-transparent border-gray-500 border-2 w-1/2 hover:bg-gray-300 dark:hover:bg-gray-600 transition"
 		type="button"
-		on:click={() => {
+		onclick={() => {
 			modalOpen = true;
 		}}
 		><span class="italic">{$t('uploader.add_image')}</span>

frontend/src/lib/editor/uploader/Library.svelte

@@ -11,9 +11,13 @@ SPDX-License-Identifier: MPL-2.0
 	import BrownButton from '$lib/components/buttons/brown.svelte';
 	import { getLocalization } from '$lib/i18n';
 
-	export let data: EditorData;
-	export let selected_question: number;
-	export let modalOpen: boolean;
+	interface Props {
+		data: EditorData;
+		selected_question: number;
+		modalOpen: boolean;
+	}
+
+	let { data = $bindable(), selected_question, modalOpen = $bindable() }: Props = $props();
 
 	const { t } = getLocalization();
 

frontend/src/lib/editor/uploader/Pixabay.svelte

@@ -5,18 +5,24 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { preventDefault } from 'svelte/legacy';
+
 	import type { EditorData } from '$lib/quiz_types';
 	import Spinner from '$lib/Spinner.svelte';
 	import BrownButton from '$lib/components/buttons/brown.svelte';
 	import { getLocalization } from '$lib/i18n';
 
-	export let data: EditorData;
-	export let selected_question: number;
-	export let modalOpen: boolean;
+	interface Props {
+		data: EditorData;
+		selected_question: number;
+		modalOpen: boolean;
+	}
 
-	let page = 1;
-	let search_term = '';
-	let loading = false;
+	let { data = $bindable(), selected_question, modalOpen = $bindable() }: Props = $props();
+
+	let page = $state(1);
+	let search_term = $state('');
+	let loading = $state(false);
 
 	const { t } = getLocalization();
 
@@ -42,7 +48,7 @@ SPDX-License-Identifier: MPL-2.0
 		return await res.json();
 	};
 
-	let fetched_data = fetch_data();
+	let fetched_data = $state(fetch_data());
 </script>
 
 {#await fetched_data}
@@ -64,7 +70,7 @@ SPDX-License-Identifier: MPL-2.0
 
 				<form
 					class="w-full flex gap-2"
-					on:submit|preventDefault={() => (fetched_data = fetch_data())}
+					onsubmit={preventDefault(() => (fetched_data = fetch_data()))}
 				>
 					<input
 						class="w-full outline-hidden p-1 rounded-sm dark:bg-gray-500 bg-gray-300"

frontend/src/lib/files/dashboard.svelte

@@ -7,7 +7,8 @@ SPDX-License-Identifier: MPL-2.0
 <script lang="ts">
 	import Spinner from '$lib/Spinner.svelte';
 
-	export let files: {
+	interface Props {
+		files: {
 		id: string;
 		uploaded_at: string;
 		mime_type?: string;
@@ -21,6 +22,9 @@ SPDX-License-Identifier: MPL-2.0
 		quizzes: { id: string }[];
 		quiztivities: { id: string }[];
 	}[];
+	}
+
+	let { files = $bindable() }: Props = $props();
 
 	const get_files = async () => {
 		const res = await fetch('/api/v1/storage/list');

frontend/src/lib/inline-editor.svelte

@@ -5,6 +5,8 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run } from 'svelte/legacy';
+
 	import {
 		BalloonEditor,
 		Essentials,
@@ -24,19 +26,26 @@ SPDX-License-Identifier: MPL-2.0
 	// import Strikethrough from '@ckeditor/ckeditor5-basic-styles/src/strikethrough';
 	// import Subscript from '@ckeditor/ckeditor5-basic-styles/src/subscript.js';
 	// import Superscript from '@ckeditor/ckeditor5-basic-styles/src/superscript.js';
-	// import Autoformat from "@ckeditor/ckeditor5-autoformat/src/autoformat"
 
-	export let text = '';
+
 
 	const triggerChange = () => {
 		text = editor.getData();
 	};
 
 	import { onMount } from 'svelte';
+	interface Props {
+		// import Autoformat from "@ckeditor/ckeditor5-autoformat/src/autoformat"
+		text?: string;
+	}
 
-	let html_el;
+	let { text = $bindable('') }: Props = $props();
 
-	$: text = text.replace('<p>', '').replace('</p>', '');
+	let html_el = $state();
+
+	run(() => {
+		text = text.replace('<p>', '').replace('</p>', '');
+	});
 
 	/*	Editor.builtinPlugins = [
 		Autoformat,
@@ -120,7 +129,7 @@ SPDX-License-Identifier: MPL-2.0
 		bind:this={html_el}
 		contenteditable="true"
 		class="rounded-lg border-gray-500 border text-center w-fit h-fit resize-none dark:bg-gray-500 min-w-[5rem] dark:text-white"
-	/>
+	></div>
 </div>
 
 <style>

frontend/src/lib/inline-editor_new_trash.svelte

@@ -5,8 +5,10 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
-	export let text;
-	let internal_text = '';
+	import { run } from 'svelte/legacy';
+
+	let { text } = $props();
+	let internal_text = $state('');
 	/*
 		const markSelection = (function() {
 			const markerTextChar = '\ufeff';
@@ -92,10 +94,10 @@ SPDX-License-Identifier: MPL-2.0
 		console.log(output);
 	};
 
-	$: {
+	run(() => {
 		process_input();
 		internal_text;
-	}
+	});
 </script>
 
 <input bind:value={internal_text} />

frontend/src/lib/landing/landing-promo.svelte

@@ -20,7 +20,7 @@ SPDX-License-Identifier: MPL-2.0
 
 	const { t } = getLocalization();
 
-	let teacherTab = false;
+	let teacherTab = $state(false);
 </script>
 
 <div class="grid grid-cols-1 overflow-hidden h-fit">
@@ -103,7 +103,7 @@ SPDX-License-Identifier: MPL-2.0
 				{#if teacherTab}
 					<button
 						class="border border-blue-600 p-2 border-2 rounded-sm hover:bg-gray-700 text-2xl"
-						on:click={() => {
+						onclick={() => {
 							teacherTab = true;
 						}}
 						>{$t('index_page.teachers_site')}
@@ -113,7 +113,7 @@ SPDX-License-Identifier: MPL-2.0
 						class="border border-black p-2 border-2 rounded-sm hover:bg-gray-700 text-base"
 						class:border-black={!teacherTab}
 						class:text-base={!teacherTab}
-						on:click={() => {
+						onclick={() => {
 							teacherTab = true;
 						}}
 						>{$t('index_page.teachers_site')}
@@ -123,7 +123,7 @@ SPDX-License-Identifier: MPL-2.0
 					class="border border-black p-2 border-2 rounded-sm hover:bg-gray-700"
 					class:border-blue-600={!teacherTab}
 					class:text-2xl={!teacherTab}
-					on:click={() => {
+					onclick={() => {
 						teacherTab = false;
 					}}
 					>{$t('index_page.students_site')}

frontend/src/lib/landing/newsletter.svelte

@@ -5,7 +5,11 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
-	export let open: boolean;
+	interface Props {
+		open: boolean;
+	}
+
+	let { open = $bindable() }: Props = $props();
 
 	const closeThing = () => {
 		open = false;
@@ -15,7 +19,7 @@ SPDX-License-Identifier: MPL-2.0
 
 <form method="post" action="https://newsletter.mawoka.eu/subscription/form" class="bg-transparent">
 	<div class="absolute top-1 right-1">
-		<button type="button" on:click={closeThing}>
+		<button type="button" onclick={closeThing}>
 			<svg
 				class="w-6 h-6"
 				fill="none"

frontend/src/lib/language-toggle.svelte

@@ -54,11 +54,15 @@ SPDX-License-Identifier: MPL-2.0
 	import { onMount } from 'svelte';
 	import { browser } from '$app/environment';
 
-	export let languages: Array<{
+	interface Props {
+		languages?: Array<{
 		flag: string;
 		name: string;
 		code: string;
-	}> = [
+	}>;
+	}
+
+	let { languages = [
 		{
 			code: 'de',
 			name: 'Deutsch',
@@ -139,11 +143,11 @@ SPDX-License-Identifier: MPL-2.0
 			name: 'tiếng Việt',
 			flag: '🇻🇳'
 		}
-	];
+	] }: Props = $props();
 	const get_selected_language = (): string => {
 		return localStorage.getItem('language');
 	};
-	let selected_language;
+	let selected_language = $state();
 	onMount(() => {
 		selected_language = get_selected_language();
 	});
@@ -159,7 +163,7 @@ SPDX-License-Identifier: MPL-2.0
 <div>
 	<select
 		bind:value={selected_language}
-		on:change={() => {
+		onchange={() => {
 			set_language(selected_language);
 		}}
 		class="p-2 rounded-lg bg-gray-800 focus:ring-2 ring-blue-600 text-white"

frontend/src/lib/modals/alert.svelte

@@ -8,9 +8,13 @@ SPDX-License-Identifier: MPL-2.0
 By Flowbite, but changed: https://flowbite.com/docs/components/modal/#default-modal
 -->
 <script lang="ts">
-	export let title: string;
-	export let body: string;
-	export let open: boolean;
+	interface Props {
+		title: string;
+		body: string;
+		open: boolean;
+	}
+
+	let { title, body, open = $bindable() }: Props = $props();
 	console.log(open, title, body);
 	open = true;
 </script>
@@ -31,7 +35,7 @@ By Flowbite, but changed: https://flowbite.com/docs/components/modal/#default-mo
 					<button
 						type="button"
 						class="text-gray-400 bg-transparent hover:bg-gray-200 hover:text-gray-900 rounded-lg text-sm p-1.5 ml-auto inline-flex items-center dark:hover:bg-gray-600 dark:hover:text-white"
-						on:click={() => {
+						onclick={() => {
 							open = false;
 						}}
 					>
@@ -62,7 +66,7 @@ By Flowbite, but changed: https://flowbite.com/docs/components/modal/#default-mo
 					<button
 						data-modal-toggle="defaultModal"
 						type="button"
-						on:click={() => {
+						onclick={() => {
 							open = false;
 						}}
 						class="text-white bg-blue-700 hover:bg-blue-800 focus:ring-4 focus:outline-hidden focus:ring-blue-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center dark:bg-blue-600 dark:hover:bg-blue-700 dark:focus:ring-blue-800"

frontend/src/lib/navbar.svelte

@@ -22,7 +22,7 @@ SPDX-License-Identifier: MPL-2.0
 
 	const { t } = getLocalization();
 
-	let menuIsClosed = true;
+	let menuIsClosed = $state(true);
 	const toggleMenu = () => {
 		menuIsClosed = !menuIsClosed;
 	};
@@ -31,7 +31,7 @@ SPDX-License-Identifier: MPL-2.0
 		menuIsClosed = true; // Closes menu to let the user see the page beneath
 	});
 
-	let darkMode = false;
+	let darkMode = $state(false);
 	if (browser) {
 		darkMode =
 			localStorage.theme === 'dark' ||
@@ -108,7 +108,7 @@ SPDX-License-Identifier: MPL-2.0
 				<div class="lg:flex items-center justify-center">
 					{#if darkMode}
 						<button
-							on:click={() => {
+							onclick={() => {
 								switchDarkMode();
 							}}
 							use:tippy={{ content: 'Switch light mode on' }}
@@ -134,7 +134,7 @@ SPDX-License-Identifier: MPL-2.0
 						</button>
 					{:else}
 						<button
-							on:click={() => {
+							onclick={() => {
 								switchDarkMode();
 							}}
 							aria-label="Activate darkmode"
@@ -180,7 +180,7 @@ SPDX-License-Identifier: MPL-2.0
 					<!-- Sun icon -->
 					<button
 						class="px-3"
-						on:click={() => {
+						onclick={() => {
 							switchDarkMode();
 						}}
 						use:tippy={{ content: 'Switch light mode on' }}
@@ -208,7 +208,7 @@ SPDX-License-Identifier: MPL-2.0
 					<!-- Moon icon -->
 					<button
 						class="px-3"
-						on:click={() => {
+						onclick={() => {
 							switchDarkMode();
 						}}
 						aria-label="Activate darkmode"
@@ -237,7 +237,7 @@ SPDX-License-Identifier: MPL-2.0
 					<button
 						class="px-3"
 						id="open-menu"
-						on:click={toggleMenu}
+						onclick={toggleMenu}
 						aria-label="Open navbar"
 					>
 						<svg
@@ -258,7 +258,7 @@ SPDX-License-Identifier: MPL-2.0
 					<button
 						class="px-3"
 						id="close-menu"
-						on:click={toggleMenu}
+						onclick={toggleMenu}
 						aria-label="Close navbar"
 					>
 						<svg

frontend/src/lib/play/admin/controls.svelte

@@ -10,18 +10,32 @@ SPDX-License-Identifier: MPL-2.0
 	import type { Socket } from 'socket.io-client';
 	import { getLocalization } from '$lib/i18n';
 
-	export let bg_color: string;
-	export let selected_question: number;
-	export let quiz_data: QuizData;
-	export let timer_res: string;
-	export let final_results;
-	export let socket: Socket;
 
-	export let game_token: string;
 
-	export let question_results;
 
-	export let shown_question_now: number;
+	interface Props {
+		bg_color: string;
+		selected_question: number;
+		quiz_data: QuizData;
+		timer_res: string;
+		final_results: any;
+		socket: Socket;
+		game_token: string;
+		question_results: any;
+		shown_question_now: number;
+	}
+
+	let {
+		bg_color,
+		selected_question,
+		quiz_data,
+		timer_res = $bindable(),
+		final_results,
+		socket,
+		game_token,
+		question_results,
+		shown_question_now
+	}: Props = $props();
 
 	const { t } = getLocalization();
 	const set_question_number = (q_number: number) => {
@@ -56,14 +70,14 @@ SPDX-License-Identifier: MPL-2.0
 	<div class="justify-self-end ml-auto mr-0 col-start-3 col-end-3">
 		{#if selected_question + 1 === quiz_data.questions.length && ((timer_res === '0' && question_results !== null) || quiz_data?.questions?.[selected_question]?.type === QuizQuestionType.SLIDE)}
 			{#if JSON.stringify(final_results) === JSON.stringify([null])}
-				<button on:click={get_final_results} class="admin-button"
+				<button onclick={get_final_results} class="admin-button"
 					>{$t('admin_page.get_final_results')}
 				</button>
 			{/if}
 		{:else if timer_res === '0' || selected_question === -1}
 			{#if (selected_question + 1 !== quiz_data.questions.length && question_results !== null) || selected_question === -1}
 				<button
-					on:click={() => {
+					onclick={() => {
 						set_question_number(selected_question + 1);
 					}}
 					class="admin-button"
@@ -73,7 +87,7 @@ SPDX-License-Identifier: MPL-2.0
 			{#if question_results === null && selected_question !== -1}
 				{#if quiz_data.questions[selected_question].type === QuizQuestionType.SLIDE}
 					<button
-						on:click={() => {
+						onclick={() => {
 							set_question_number(selected_question + 1);
 						}}
 						class="admin-button"
@@ -81,7 +95,7 @@ SPDX-License-Identifier: MPL-2.0
 					</button>
 				{:else if quiz_data.questions[selected_question]?.hide_results === true}
 					<button
-						on:click={() => {
+						onclick={() => {
 							get_question_results();
 							setTimeout(() => {
 								set_question_number(selected_question + 1);
@@ -91,7 +105,7 @@ SPDX-License-Identifier: MPL-2.0
 						>{$t('admin_page.next_question', { question: selected_question + 2 })}
 					</button>
 				{:else}
-					<button on:click={get_question_results} class="admin-button"
+					<button onclick={get_question_results} class="admin-button"
 						>{$t('admin_page.show_results')}
 					</button>
 				{/if}
@@ -99,14 +113,14 @@ SPDX-License-Identifier: MPL-2.0
 		{:else if selected_question !== -1}
 			{#if quiz_data.questions[selected_question].type === QuizQuestionType.SLIDE}
 				<button
-					on:click={() => {
+					onclick={() => {
 						set_question_number(selected_question + 1);
 					}}
 					class="admin-button"
 					>{$t('admin_page.next_question', { question: selected_question + 2 })}
 				</button>
 			{:else}
-				<button on:click={show_solutions} class="admin-button"
+				<button onclick={show_solutions} class="admin-button"
 					>{$t('admin_page.stop_time_and_solutions')}
 				</button>
 			{/if}

frontend/src/lib/play/admin/final_results.svelte

@@ -5,16 +5,22 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run } from 'svelte/legacy';
+
 	import { onMount } from 'svelte';
 	import { getLocalization } from '$lib/i18n';
 
 	const { t } = getLocalization();
 
-	export let data;
-	export let username;
-	export let show_final_results: boolean;
 	import { fly } from 'svelte/transition';
 	import confetti from 'canvas-confetti';
+	interface Props {
+		data: any;
+		username: any;
+		show_final_results: boolean;
+	}
+
+	let { data = $bindable(), username, show_final_results }: Props = $props();
 
 	function sortObjectbyValue(obj) {
 		const ret = {};
@@ -24,18 +30,22 @@ SPDX-License-Identifier: MPL-2.0
 		return ret;
 	}
 
-	$: data = sortObjectbyValue(data);
-	$: console.log(data, 'sorted, fina');
-
-	let player_names;
-	$: player_names = Object.keys(data).sort(function (a, b) {
-		return data[b] - data[a];
+	run(() => {
+		data = sortObjectbyValue(data);
+	});
+	run(() => {
+		console.log(data, 'sorted, fina');
 	});
 
-	let player_count_or_five;
-	$: player_count_or_five = player_names.length >= 5 ? 5 : player_names.length;
+	let player_names = $derived(Object.keys(data).sort(function (a, b) {
+		return data[b] - data[a];
+	}));
 
-	let canvas;
+
+	let player_count_or_five = $derived(player_names.length >= 5 ? 5 : player_names.length);
+
+
+	let canvas = $state();
 	onMount(() => {
 		setTimeout(() => {
 			confetti.create(canvas, {
@@ -48,7 +58,7 @@ SPDX-License-Identifier: MPL-2.0
 </script>
 
 {#if show_final_results}
-	<canvas bind:this={canvas} />
+	<canvas bind:this={canvas}></canvas>
 	<div>
 		{#each player_names as player, i}
 			{#if i <= player_count_or_five - 1}

frontend/src/lib/play/admin/game_not_started.svelte

@@ -11,14 +11,23 @@ SPDX-License-Identifier: MPL-2.0
 	import GrayButton from '$lib/components/buttons/gray.svelte';
 	import { fade } from 'svelte/transition';
 
-	export let game_pin: string;
-	export let players;
-	export let socket;
-	export let cqc_code: string;
+	interface Props {
+		game_pin: string;
+		players: any;
+		socket: any;
+		cqc_code: string;
+	}
 
-	let fullscreen_open = false;
+	let {
+		game_pin,
+		players = $bindable(),
+		socket,
+		cqc_code = $bindable()
+	}: Props = $props();
+
+	let fullscreen_open = $state(false);
 	const { t } = getLocalization();
-	let play_music = false;
+	let play_music = $state(false);
 
 	if (cqc_code === 'null') {
 		cqc_code = null;
@@ -52,7 +61,7 @@ SPDX-License-Identifier: MPL-2.0
 			</p>
 		</div>
 		<img
-			on:click={() => (fullscreen_open = true)}
+			onclick={() => (fullscreen_open = true)}
 			alt="QR code to join the game"
 			src="/api/v1/utils/qr/{game_pin}"
 			class="block mx-auto w-1/2 dark:bg-white shadow-2xl rounded-sm hover:cursor-pointer"
@@ -101,7 +110,7 @@ SPDX-License-Identifier: MPL-2.0
 				<div class="p-2 m-2 border-2 border-[#B07156] rounded-sm hover:cursor-pointer">
 					<span
 						class="hover:line-through text-lg"
-						on:click={() => {
+						onclick={() => {
 							kick_player(player.username);
 						}}>{player.username}</span
 					>
@@ -116,7 +125,7 @@ SPDX-License-Identifier: MPL-2.0
 	<div
 		class="fixed top-0 left-0 z-50 w-screen h-screen bg-black/50 flex p-2"
 		transition:fade|global={{ duration: 80 }}
-		on:click={() => (fullscreen_open = false)}
+		onclick={() => (fullscreen_open = false)}
 	>
 		<img
 			alt="QR code to join the game"

frontend/src/lib/play/admin/question.svelte

@@ -5,6 +5,8 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run } from 'svelte/legacy';
+
 	import { QuizQuestionType } from '$lib/quiz_types';
 	import type { QuizData } from '$lib/quiz_types';
 	import { get_foreground_color } from '$lib/helpers.js';
@@ -13,17 +15,27 @@ SPDX-License-Identifier: MPL-2.0
 	import MediaComponent from '$lib/editor/MediaComponent.svelte';
 	import { getLocalization } from '$lib/i18n';
 
-	export let quiz_data: QuizData;
-	export let selected_question: number;
-	export let timer_res: string;
 
-	export let answer_count: number;
-	export let default_colors: string[];
+	interface Props {
+		quiz_data: QuizData;
+		selected_question: number;
+		timer_res: string;
+		answer_count: number;
+		default_colors: string[];
+	}
+
+	let {
+		quiz_data,
+		selected_question,
+		timer_res = $bindable(),
+		answer_count,
+		default_colors
+	}: Props = $props();
 
 	const { t } = getLocalization();
 
-	let circular_progress = 0;
-	$: {
+	let circular_progress = $state(0);
+	run(() => {
 		try {
 			circular_progress =
 				1 -
@@ -33,7 +45,7 @@ SPDX-License-Identifier: MPL-2.0
 		} catch {
 			circular_progress = 0;
 		}
-	}
+	});
 </script>
 
 <div class="flex flex-col justify-center w-screen h-1/6">
@@ -42,7 +54,7 @@ SPDX-License-Identifier: MPL-2.0
 	</h1>
 	<!--			<span class='text-center py-2 text-lg'>{$t('admin_page.time_left')}: {timer_res}</span>-->
 	<div class="grid grid-cols-3 my-2">
-		<span />
+		<span></span>
 		<div class="m-auto">
 			<CircularTimer
 				bind:text={timer_res}
@@ -85,7 +97,7 @@ SPDX-License-Identifier: MPL-2.0
 					style="color: {get_foreground_color(answer.color ?? default_colors[i])}"
 					>{answer.answer}</span
 				>
-				<span class="pl-4 w-10" />
+				<span class="pl-4 w-10"></span>
 			</div>
 		{/each}
 	</div>
@@ -97,7 +109,7 @@ SPDX-License-Identifier: MPL-2.0
 					<span class="text-center text-2xl px-2 py-4 w-full text-black"
 						>{answer.answer}</span
 					>
-					<span class="pl-4 w-10" />
+					<span class="pl-4 w-10"></span>
 				</div>
 			{/each}
 		</div>

frontend/src/lib/play/admin/results.svelte

@@ -5,6 +5,8 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run } from 'svelte/legacy';
+
 	import VotingResults from './voting_results.svelte';
 	import { flip } from 'svelte/animate';
 	import { fly } from 'svelte/transition';
@@ -15,16 +17,19 @@ SPDX-License-Identifier: MPL-2.0
 
 	const { t } = getLocalization();
 
-	export let data;
-	export let question: Question;
+	interface Props {
+		data: any;
+		question: Question;
+		new_data: Array<{
+			username: string;
+			answer: string;
+			right: boolean;
+			time_taken: number;
+			score: number;
+		}>;
+	}
 
-	export let new_data: Array<{
-		username: string;
-		answer: string;
-		right: boolean;
-		time_taken: number;
-		score: number;
-	}>;
+	let { data = $bindable(), question, new_data }: Props = $props();
 
 	function sortObjectbyValue(obj) {
 		const ret = {};
@@ -35,7 +40,7 @@ SPDX-License-Identifier: MPL-2.0
 	}
 
 	// let data_by_username = {};
-	let score_by_username = {};
+	let score_by_username = $state({});
 
 	const do_sth = () => {
 		for (const i of new_data) {
@@ -43,13 +48,17 @@ SPDX-License-Identifier: MPL-2.0
 		}
 	};
 
-	$: {
+	run(() => {
 		new_data;
 		score_by_username;
 		do_sth();
-	}
+	});
 
-	let player_names;
+	let player_names = $derived(
+		Object.keys(data).sort(function (a, b) {
+			return data[b] - data[a];
+		})
+	);
 
 	if (JSON.stringify(data) === '{}') {
 		for (const i of new_data) {
@@ -57,12 +66,11 @@ SPDX-License-Identifier: MPL-2.0
 		}
 	}
 
-	$: data = sortObjectbyValue(data);
-	$: player_names = Object.keys(data).sort(function (a, b) {
-		return data[b] - data[a];
+	run(() => {
+		data = sortObjectbyValue(data);
 	});
 
-	let show_new_score_clicked = false;
+	let show_new_score_clicked = $state(false);
 
 	const show_new_score = () => {
 		// for (let i = 0; i++; i < player_names.length) {
@@ -98,34 +106,42 @@ SPDX-License-Identifier: MPL-2.0
 	<div class="flex justify-center">
 		<div>
 			<table class="table-auto text-xl">
-				<tr>
-					<th class="p-2 border-r border-r-black border-b-2 border-b-black"
-						>{$t('words.name')}</th
-					>
-					<th class="p-2 border-b-2 border-b-black">{$t('words.point', { count: 2 })}</th>
-					{#if show_new_score_clicked}
-						<th in:fly|global={{ x: 300 }} class="p-2 border-b-2 border-b-black"
-							>{$t('play_page.points_added')}
-						</th>
-					{/if}
-				</tr>
-				{#each player_names as player, i (player)}
-					<tr animate:flip>
-						<td class:hidden={i > 3} class="p-2 border-r border-r-black">{player}</td>
-						<td class:hidden={i > 3} class="p-2">{data[player]}</td>
+				<thead>
+					<tr>
+						<th class="p-2 border-r border-r-black border-b-2 border-b-black"
+							>{$t('words.name')}</th
+						>
+						<th class="p-2 border-b-2 border-b-black"
+							>{$t('words.point', { count: 2 })}</th
+						>
 						{#if show_new_score_clicked}
-							<td
-								in:fly|global={{ x: 300 }}
-								class:hidden={i > 3}
-								class="p-2"
-								class:text-red-600={score_by_username[player] === 0 ||
-									score_by_username[player] === undefined}
-							>
-								+{score_by_username[player] ?? '0'}
-							</td>
+							<th in:fly|global={{ x: 300 }} class="p-2 border-b-2 border-b-black"
+								>{$t('play_page.points_added')}
+							</th>
 						{/if}
 					</tr>
-				{/each}
+				</thead>
+				<tbody>
+					{#each player_names as player, i (player)}
+						<tr animate:flip>
+							<td class:hidden={i > 3} class="p-2 border-r border-r-black"
+								>{player}</td
+							>
+							<td class:hidden={i > 3} class="p-2">{data[player]}</td>
+							{#if show_new_score_clicked}
+								<td
+									in:fly|global={{ x: 300 }}
+									class:hidden={i > 3}
+									class="p-2"
+									class:text-red-600={score_by_username[player] === 0 ||
+										score_by_username[player] === undefined}
+								>
+									+{score_by_username[player] ?? '0'}
+								</td>
+							{/if}
+						</tr>
+					{/each}
+				</tbody>
 			</table>
 		</div>
 	</div>

frontend/src/lib/play/admin/slide.svelte

@@ -9,11 +9,15 @@ SPDX-License-Identifier: MPL-2.0
 	import { onMount } from 'svelte';
 	import Pikaso from 'pikaso';
 
-	export let question: Question;
+	interface Props {
+		question: Question;
+	}
 
-	let canvas_el: HTMLDivElement | undefined;
+	let { question }: Props = $props();
+
+	let canvas_el: HTMLDivElement | undefined = $state();
 	let canvas: Pikaso;
-	let img_src = '';
+	let img_src = $state('');
 
 	onMount(() => {
 		canvas = new Pikaso({
@@ -33,7 +37,7 @@ SPDX-License-Identifier: MPL-2.0
 
 <div class="w-full h-full">
 	<div class="hidden">
-		<div bind:this={canvas_el} class="w-full h-full block" />
+		<div bind:this={canvas_el} class="w-full h-full block"></div>
 	</div>
 	<div class="w-full h-full flex justify-center">
 		<img src={img_src} />

frontend/src/lib/play/admin/voting_results.svelte

@@ -8,8 +8,12 @@ SPDX-License-Identifier: MPL-2.0
 	import type { Question } from '$lib/quiz_types';
 	import { QuizQuestionType } from '$lib/quiz_types';
 
-	export let data;
-	export let question: Question;
+	interface Props {
+		data: any;
+		question: Question;
+	}
+
+	let { data, question }: Props = $props();
 
 	let quiz_answers = [];
 	let quiz_colors = [];
@@ -21,7 +25,7 @@ SPDX-License-Identifier: MPL-2.0
 		answer_correct.push(i.right);
 	}
 
-	let sorted_data = {};
+	let sorted_data = $state({});
 	for (const i of quiz_answers) {
 		sorted_data[i] = 0;
 	}
@@ -56,7 +60,7 @@ SPDX-License-Identifier: MPL-2.0
 						data.length}rem; background-color: {quiz_colors[i]
 						? quiz_colors[i]
 						: 'black'}"
-				/>
+				></div>
 			{/each}
 		</div>
 		<div class="flex gap-12">

frontend/src/lib/play/audio_player.svelte

@@ -5,12 +5,18 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run } from 'svelte/legacy';
+
 	import Audio1 from '$lib/assets/music/1-128.mp3';
 
-	export let play = false;
-	let volume = 100;
+	interface Props {
+		play?: boolean;
+	}
 
-	const audio = new Audio(Audio1);
+	let { play = $bindable(false) }: Props = $props();
+	let volume = $state(100);
+
+	const audio = $state(new Audio(Audio1));
 	const control_audio = (play_audio: boolean) => {
 		if (play_audio) {
 			audio.play();
@@ -19,14 +25,18 @@ SPDX-License-Identifier: MPL-2.0
 			audio.pause();
 		}
 	};
-	$: audio.volume = volume / 100;
-	$: control_audio(play);
+	run(() => {
+		audio.volume = volume / 100;
+	});
+	run(() => {
+		control_audio(play);
+	});
 </script>
 
 <div class="fixed top-0 left-0">
 	{#if play}
 		<button
-			on:click={() => {
+			onclick={() => {
 				play = false;
 			}}
 		>
@@ -48,7 +58,7 @@ SPDX-License-Identifier: MPL-2.0
 		</button>
 	{:else}
 		<button
-			on:click={() => {
+			onclick={() => {
 				play = true;
 			}}
 		>

frontend/src/lib/play/circular_progress.svelte

@@ -5,24 +5,36 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
-	export let progress: number;
-	export let text: string;
-	export let color: string;
-	let angle = 360 * progress;
+	import { run } from 'svelte/legacy';
 
-	$: angle = 360 * progress;
-	$: console.log(angle);
+	interface Props {
+		progress: number;
+		text: string;
+		color: string;
+	}
+
+	let { progress, text, color }: Props = $props();
+	let angle = $state(360 * progress);
+
+	run(() => {
+		angle = 360 * progress;
+	});
+	run(() => {
+		console.log(angle);
+	});
 
 	// Adapt the logic according to the approach
-	let background = `radial-gradient(white 50%, transparent 51%),
+	let background = $state(`radial-gradient(white 50%, transparent 51%),
     conic-gradient(transparent 0deg ${angle}deg, gainsboro ${angle}deg 360deg),
-    conic-gradient(green 0deg, green 90deg, green 180deg, green);`;
+    conic-gradient(green 0deg, green 90deg, green 180deg, green);`);
 
-	$: background = `radial-gradient(white 50%, transparent 51%),
-    conic-gradient(transparent 0deg ${angle}deg, gainsboro ${angle}deg 360deg),
-    conic-gradient(${color} 0deg, ${color} 90deg, ${color} 180deg, ${color});`;
+	run(() => {
+		background = `radial-gradient(white 50%, transparent 51%),
+	    conic-gradient(transparent 0deg ${angle}deg, gainsboro ${angle}deg 360deg),
+	    conic-gradient(${color} 0deg, ${color} 90deg, ${color} 180deg, ${color});`;
+	});
 
-	$: cssVarStyles = `--background:${background}`;
+	let cssVarStyles = $derived(`--background:${background}`);
 </script>
 
 <div id="progress-circle" style={cssVarStyles} class="transition-all text-4xl text-black">

frontend/src/lib/play/end.svelte

@@ -5,12 +5,18 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run } from 'svelte/legacy';
+
 	import { getLocalization } from '$lib/i18n';
 
 	const { t } = getLocalization();
 
-	export let question_count: number;
-	export let final_results: Array<null> | Array<Array<PlayerAnswer>>;
+	interface Props {
+		question_count: number;
+		final_results: Array<null> | Array<Array<PlayerAnswer>>;
+	}
+
+	let { question_count, final_results }: Props = $props();
 
 	interface PlayerAnswer {
 		username: string;
@@ -18,8 +24,8 @@ SPDX-License-Identifier: MPL-2.0
 		right: string;
 	}
 
-	let data_available = false;
-	let winners_arr;
+	let data_available = $state(false);
+	let winners_arr = $state();
 
 	const getWinnersSorted = () => {
 		let winners = {};
@@ -79,9 +85,9 @@ SPDX-License-Identifier: MPL-2.0
 		}
 	};
 	let winners = getWinnersSorted();
-	$: {
+	run(() => {
 		console.log(winners, winners_arr);
-	}
+	});
 </script>
 
 <div>

frontend/src/lib/play/join.svelte

@@ -5,6 +5,9 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run, createBubbler, preventDefault } from 'svelte/legacy';
+
+	const bubble = createBubbler();
 	import { socket } from '$lib/socket';
 	import { onDestroy, onMount } from 'svelte';
 	import { browser } from '$app/environment';
@@ -15,13 +18,17 @@ SPDX-License-Identifier: MPL-2.0
 	import BrownButton from '$lib/components/buttons/brown.svelte';
 
 	const { t } = getLocalization();
-	export let game_pin: string;
-	export let game_mode;
 
-	export let username;
-	let custom_field;
-	let custom_field_value;
-	let captcha_enabled;
+	interface Props {
+		game_pin: string;
+		game_mode: any;
+		username: any;
+	}
+
+	let { game_pin = $bindable(), game_mode = $bindable(), username = $bindable() }: Props = $props();
+	let custom_field = $state();
+	let custom_field_value = $state();
+	let captcha_enabled = $state();
 
 	let hcaptchaSitekey = import.meta.env.VITE_HCAPTCHA;
 
@@ -105,10 +112,12 @@ SPDX-License-Identifier: MPL-2.0
 		}
 	};
 
-	$: if (game_pin.length > 5) {
-		console.log('Setting game pin');
-		set_game_pin();
-	}
+	run(() => {
+		if (game_pin.length > 5) {
+			console.log('Setting game pin');
+			set_game_pin();
+		}
+	});
 
 	const setUsername = async () => {
 		if (username.length <= 3) {
@@ -177,8 +186,12 @@ SPDX-License-Identifier: MPL-2.0
 		}
 	});
 
-	$: console.log(game_pin, game_pin.length > 6);
-	$: game_pin = game_pin.replace(/\D/g, '');
+	run(() => {
+		console.log(game_pin, game_pin.length > 6);
+	});
+	run(() => {
+		game_pin = game_pin.replace(/\D/g, '');
+	});
 </script>
 
 <svelte:head>
@@ -194,7 +207,7 @@ SPDX-License-Identifier: MPL-2.0
 
 {#if game_pin === '' || game_pin.length < 6}
 	<div class="flex flex-col justify-center align-center w-screen h-screen">
-		<form on:submit|preventDefault class="flex-col flex justify-center align-center mx-auto">
+		<form onsubmit={preventDefault(bubble('submit'))} class="flex-col flex justify-center align-center mx-auto">
 			<h1 class="text-lg text-center">{$t('words.game_pin')}</h1>
 			<input
 				class="border border-gray-400 self-center text-center text-black ring-0 outline-hidden p-2 rounded-lg focus:shadow-2xl transition-all"
@@ -213,7 +226,7 @@ SPDX-License-Identifier: MPL-2.0
 {:else}
 	<div class="flex flex-col justify-center align-center w-screen h-screen">
 		<form
-			on:submit|preventDefault={setUsername}
+			onsubmit={preventDefault(setUsername)}
 			class="flex-col flex justify-center align-center mx-auto"
 		>
 			<h1 class="text-lg text-center">{$t('words.username')}</h1>
@@ -244,4 +257,4 @@ SPDX-License-Identifier: MPL-2.0
 	data-sitekey={hcaptchaSitekey}
 	data-size="invisible"
 	data-theme="dark"
-/>
+></div>

frontend/src/lib/play/question.svelte

@@ -5,6 +5,8 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run } from 'svelte/legacy';
+
 	import type { Question } from '$lib/quiz_types';
 	import { QuizQuestionType } from '$lib/quiz_types';
 	import { socket } from '$lib/socket';
@@ -19,12 +21,23 @@ SPDX-License-Identifier: MPL-2.0
 
 	const { t } = getLocalization();
 
-	export let question: Question;
-	export let game_mode;
-	export let question_index: string | number;
-	export let solution;
+	interface Props {
+		question: Question;
+		game_mode: any;
+		question_index: string | number;
+		solution: any;
+	}
 
-	$: console.log(question_index, question, 'hi!');
+	let {
+		question = $bindable(),
+		game_mode = $bindable(),
+		question_index,
+		solution
+	}: Props = $props();
+
+	run(() => {
+		console.log(question_index, question, 'hi!');
+	});
 
 	console.log(question);
 	if (question.type === undefined) {
@@ -39,8 +52,8 @@ SPDX-License-Identifier: MPL-2.0
             throw new Error('question_index must be a string or number');
         }*/
 
-	let timer_res = question.time;
-	let selected_answer: string;
+	let timer_res = $state(question.time);
+	let selected_answer: string = $state();
 
 	// Stop the timer if the question is answered
 	const timer = (time: string) => {
@@ -62,11 +75,11 @@ SPDX-License-Identifier: MPL-2.0
 
 	timer(question.time);
 
-	$: {
+	run(() => {
 		if (solution !== undefined) {
 			timer_res = '0';
 		}
-	}
+	});
 
 	const selectAnswer = (answer: string) => {
 		selected_answer = answer;
@@ -90,9 +103,9 @@ SPDX-License-Identifier: MPL-2.0
 		});
 	};
 
-	let text_input = '';
+	let text_input = $state('');
 
-	let slider_value = [0];
+	let slider_value = $state([0]);
 	if (question.type === QuizQuestionType.RANGE) {
 		slider_value[0] = (question.answers.max - question.answers.min) / 2 + question.answers.min;
 	}
@@ -119,15 +132,17 @@ SPDX-License-Identifier: MPL-2.0
 		_arr[b] = temp;
 		return _arr;
 	};
-	$: set_answer_if_not_set_range(timer_res);
-	let circular_progress = 0;
-	$: {
+	run(() => {
+		set_answer_if_not_set_range(timer_res);
+	});
+	let circular_progress = $state(0);
+	run(() => {
 		try {
 			circular_progress = 1 - ((100 / question.time) * parseInt(timer_res)) / 100;
 		} catch {
 			circular_progress = 0;
 		}
-	}
+	});
 
 	const get_div_height = (): string => {
 		if (game_mode === 'normal') {
@@ -140,7 +155,9 @@ SPDX-License-Identifier: MPL-2.0
 			return '100';
 		}
 	};
-	$: console.log(slider_value, 'values');
+	run(() => {
+		console.log(slider_value, 'values');
+	});
 	const default_colors = ['#D6EDC9', '#B07156', '#7F7057', '#4E6E58'];
 </script>
 
@@ -188,7 +205,7 @@ SPDX-License-Identifier: MPL-2.0
 								answer.color ?? default_colors[i]
 							)}"
 							disabled={selected_answer !== undefined}
-							on:click={() => selectAnswer(answer.answer)}
+							onclick={() => selectAnswer(answer.answer)}
 						>
 							{#if game_mode === 'kahoot'}
 								<img
@@ -207,13 +224,12 @@ SPDX-License-Identifier: MPL-2.0
 			<span
 				class="fixed top-0 bg-red-500 h-8 transition-all"
 				style="width: {(100 / parseInt(question.time)) * parseInt(timer_res)}vw"
-			/>
+			></span>
 			{#await import('svelte-range-slider-pips')}
 				<Spinner />
 			{:then c}
 				<div class:pointer-events-none={selected_answer !== undefined} class="mt-24">
-					<svelte:component
-						this={c.default}
+					<c.default
 						bind:values={slider_value}
 						bind:min={question.answers.min}
 						bind:max={question.answers.max}
@@ -238,7 +254,7 @@ SPDX-License-Identifier: MPL-2.0
 				<span
 					class="fixed top-0 bg-red-500 h-8 transition-all"
 					style="width: {(100 / parseInt(question.time)) * parseInt(timer_res)}vw"
-				/>
+				></span>
 				<div class="flex justify-center mt-10">
 					<p class="text-black dark:text-white">Enter your answer</p>
 				</div>
@@ -286,7 +302,7 @@ SPDX-License-Identifier: MPL-2.0
 			<span
 				class="fixed top-0 bg-red-500 h-8 transition-all"
 				style="width: {(100 / parseInt(question.time)) * parseInt(timer_res)}vw"
-			/>
+			></span>
 			<div class="flex flex-col w-full h-full gap-4 px-4 py-6 mt-10">
 				{#each question.answers as answer, i (answer.id)}
 					<div
@@ -295,7 +311,7 @@ SPDX-License-Identifier: MPL-2.0
 						style="background-color: {answer.color ?? '#b07156'}"
 					>
 						<button
-							on:click={() => {
+							onclick={() => {
 								question.answers = swapArrayElements(question.answers, i, i - 1);
 							}}
 							class="disabled:opacity-50 shadow-lg bg-black/30 w-full flex justify-center rounded-lg p-2 hover:bg-black/20 transition"
@@ -322,7 +338,7 @@ SPDX-License-Identifier: MPL-2.0
 						<p class="w-full text-center p-2 text-2xl">{answer.answer}</p>
 
 						<button
-							on:click={() => {
+							onclick={() => {
 								question.answers = swapArrayElements(question.answers, i, i + 1);
 							}}
 							class="disabled:opacity-50 shadow-lg bg-black/30 w-full flex justify-center rounded-lg p-2 hover:bg-black/20 transition"
@@ -363,8 +379,7 @@ SPDX-License-Identifier: MPL-2.0
 			{#await import('./questions/check.svelte')}
 				<Spinner />
 			{:then c}
-				<svelte:component
-					this={c.default}
+				<c.default
 					bind:question
 					bind:selected_answer
 					bind:game_mode

frontend/src/lib/play/questions/check.svelte

@@ -11,14 +11,24 @@ SPDX-License-Identifier: MPL-2.0
 	import CircularTimer from '$lib/play/circular_progress.svelte';
 	// import CircularTimer from '$lib/play/circular_progress.svelte';
 	const default_colors = ['#D6EDC9', '#B07156', '#7F7057', '#4E6E58'];
-	export let question: Question;
-	export let selected_answer = '';
-	export let game_mode;
 
-	export let timer_res;
 
-	export let circular_progress;
-	let _selected_answers = [false, false, false, false];
+	interface Props {
+		question: Question;
+		selected_answer?: string;
+		game_mode: any;
+		timer_res: any;
+		circular_progress: any;
+	}
+
+	let {
+		question,
+		selected_answer = $bindable(''),
+		game_mode,
+		timer_res = $bindable(),
+		circular_progress = $bindable()
+	}: Props = $props();
+	let _selected_answers = $state([false, false, false, false]);
 
 	const selectAnswer = (i: number) => {
 		_selected_answers[i] = !_selected_answers[i];
@@ -59,7 +69,7 @@ SPDX-License-Identifier: MPL-2.0
 					default_colors[i]}; color: {get_foreground_color(
 					answer.color ?? default_colors[i]
 				)}"
-				on:click={() => selectAnswer(i)}
+				onclick={() => selectAnswer(i)}
 				class:opacity-100={_selected_answers[i]}
 				class:opacity-50={!_selected_answers[i]}
 			>

frontend/src/lib/play/results_kahoot.svelte

@@ -5,15 +5,9 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
-	export let scores;
+	import { run } from 'svelte/legacy';
+
 
-	export let question_results: Array<{
-		username: string;
-		answer: string;
-		right: boolean;
-		time_taken: number;
-		score: number;
-	}>;
 
 	function sortObjectbyValue(obj) {
 		const ret = {};
@@ -23,8 +17,20 @@ SPDX-License-Identifier: MPL-2.0
 		return ret;
 	}
 
-	export let username;
-	let score_by_username = {};
+	interface Props {
+		scores: any;
+		question_results: Array<{
+		username: string;
+		answer: string;
+		right: boolean;
+		time_taken: number;
+		score: number;
+	}>;
+		username: any;
+	}
+
+	let { scores = $bindable(), question_results, username }: Props = $props();
+	let score_by_username = $state({});
 
 	if (JSON.stringify(scores) === '{}') {
 		for (const i of question_results) {
@@ -32,12 +38,16 @@ SPDX-License-Identifier: MPL-2.0
 		}
 	}
 
-	$: console.log(score_by_username, scores, 'dieter');
+	run(() => {
+		console.log(score_by_username, scores, 'dieter');
+	});
 	for (const i of question_results) {
 		score_by_username[i.username] = i.score;
 	}
 
-	$: scores = sortObjectbyValue(scores);
+	run(() => {
+		scores = sortObjectbyValue(scores);
+	});
 
 	const do_sth = () => {
 		for (const i of Object.keys(score_by_username)) {

frontend/src/lib/play/show_results.svelte

@@ -11,11 +11,20 @@ SPDX-License-Identifier: MPL-2.0
 	import Spinner from '$lib/Spinner.svelte';
 
 	const { t } = getLocalization();
-	export let results: Array<Answer>;
-	export let game_data: QuizData;
-	export let solution: Question;
-	export let question_index: string;
-	let data_store = {};
+	interface Props {
+		results: Array<Answer>;
+		game_data: QuizData;
+		solution: Question;
+		question_index: string;
+	}
+
+	let {
+		results,
+		game_data,
+		solution = $bindable(),
+		question_index
+	}: Props = $props();
+	let data_store = $state({});
 
 	const question = solution.answers;
 	for (let i = 0; i < question.length; i++) {
@@ -26,7 +35,7 @@ SPDX-License-Identifier: MPL-2.0
 		data_store[results[i].answer] += 1;
 	}
 
-	let slider_values = [solution.answers.min_correct ?? 0, solution.answers.max_correct ?? 0];
+	let slider_values = $state([solution.answers.min_correct ?? 0, solution.answers.max_correct ?? 0]);
 	console.log(slider_values, solution.answers);
 </script>
 
@@ -99,8 +108,7 @@ SPDX-License-Identifier: MPL-2.0
 				<Spinner />
 			{:then c}
 				<div class="grayscale pointer-events-none w-full">
-					<svelte:component
-						this={c.default}
+					<c.default
 						bind:values={slider_values}
 						bind:min={solution.answers.min}
 						bind:max={solution.answers.max}

frontend/src/lib/play/title.svelte

@@ -5,9 +5,13 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
-	export let title: string;
-	export let description: string;
-	export let cover_image: string | undefined;
+	interface Props {
+		title: string;
+		description: string;
+		cover_image: string | undefined;
+	}
+
+	let { title, description, cover_image }: Props = $props();
 </script>
 
 <div class="flex flex-col justify-center w-screen h-screen">

frontend/src/lib/practice/question.svelte

@@ -14,13 +14,17 @@ SPDX-License-Identifier: MPL-2.0
 	import BrownButton from '$lib/components/buttons/brown.svelte';
 	import MediaComponent from '$lib/editor/MediaComponent.svelte';
 
-	export let question: Question;
+	interface Props {
+		question: Question;
+	}
+
+	let { question = $bindable() }: Props = $props();
 
 	const { t } = getLocalization();
 
-	let selected_answer = undefined;
-	let timer_res = question.time;
-	let show_results = false;
+	let selected_answer = $state(undefined);
+	let timer_res = $state(question.time);
+	let show_results = $state(false);
 
 	// Stop the timer if the question is answered
 	const timer = (time: string) => {
@@ -37,16 +41,16 @@ SPDX-License-Identifier: MPL-2.0
 			timer_res = seconds.toString();
 		}, 1000);
 	};
-	let slider_value = [0];
+	let slider_value = $state([0]);
 	if (question.type === QuizQuestionType.RANGE) {
 		slider_value[0] = (question.answers.max - question.answers.min) / 2 + question.answers.min;
 	}
-	let slider_values = [question.answers.min_correct ?? 0, question.answers.max_correct ?? 0];
+	let slider_values = $state([question.answers.min_correct ?? 0, question.answers.max_correct ?? 0]);
 
-	let text_input;
+	let text_input = $state();
 	timer(question.time);
 
-	let check_choice_selected = [false, false, false, false];
+	let check_choice_selected = $state([false, false, false, false]);
 
 	function shuffleArray(a) {
 		for (let i = a.length - 1; i > 0; i--) {
@@ -75,7 +79,7 @@ SPDX-License-Identifier: MPL-2.0
 		shuffleArray(question.answers);
 	}
 
-	let order_corrected = false;
+	let order_corrected = $state(false);
 	const select_complex_answer = () => {
 		/*		const correct_order_ids = []
                 for (const e of original_order) {
@@ -128,7 +132,7 @@ SPDX-License-Identifier: MPL-2.0
 						disabled={selected_answer !== undefined || timer_res === '0'}
 						type="button"
 						class="p-2 rounded-lg flex justify-center w-full transition bg-amber-300 my-5 disabled:grayscale text-black"
-						on:click={() => {
+						onclick={() => {
 							selected_answer = i;
 							timer_res = '0';
 						}}>{answer.answer}</button
@@ -138,7 +142,7 @@ SPDX-License-Identifier: MPL-2.0
 					<button
 						class="bg-orange-500 p-2 rounded-lg flex justify-center w-full transition my-5 text-black"
 						type="button"
-						on:click={() => {
+						onclick={() => {
 							show_results = true;
 						}}>{$t('admin_page.get_results')}</button
 					>
@@ -151,8 +155,7 @@ SPDX-License-Identifier: MPL-2.0
 				<Spinner />
 			{:then c}
 				<div class="grayscale pointer-events-none w-full">
-					<svelte:component
-						this={c.default}
+					<c.default
 						bind:values={slider_values}
 						bind:min={question.answers.min}
 						bind:max={question.answers.max}
@@ -167,8 +170,7 @@ SPDX-License-Identifier: MPL-2.0
 				<Spinner />
 			{:then c}
 				<div class:pointer-events-none={selected_answer !== undefined}>
-					<svelte:component
-						this={c.default}
+					<c.default
 						bind:values={slider_value}
 						bind:min={question.answers.min}
 						bind:max={question.answers.max}
@@ -182,7 +184,7 @@ SPDX-License-Identifier: MPL-2.0
 						type="button"
 						class="w-1/3 text-3xl bg-[#B07156] my-2 disabled:opacity-60 rounded-lg p-1 transition"
 						disabled={selected_answer !== undefined}
-						on:click={() => {
+						onclick={() => {
 							selected_answer = slider_value[0];
 							timer_res = '0';
 						}}
@@ -197,7 +199,7 @@ SPDX-License-Identifier: MPL-2.0
 				type="button"
 				disabled={selected_answer !== undefined || timer_res === '0'}
 				class="p-2 rounded-lg flex justify-center w-full transition bg-amber-300 my-5 disabled:grayscale text-black"
-				on:click={() => {
+				onclick={() => {
 					selected_answer = i;
 					timer_res = '0';
 				}}>{answer.answer}</button
@@ -211,7 +213,7 @@ SPDX-License-Identifier: MPL-2.0
 			<Spinner my={false} />
 		{:then c}
 			<div class="max-h-[90%] max-w-[90%]">
-				<svelte:component this={c.default} bind:question />
+				<c.default bind:question />
 			</div>
 		{/await}
 	{:else if question.type === QuizQuestionType.TEXT}
@@ -236,7 +238,7 @@ SPDX-License-Identifier: MPL-2.0
 					type="button"
 					disabled={!text_input}
 					class="w-1/3 text-3xl bg-[#B07156] my-2 disabled:opacity-60 rounded-lg p-1 transition"
-					on:click={() => {
+					onclick={() => {
 						selected_answer = text_input;
 						timer_res = '0';
 					}}>{$t('words.submit')}</button
@@ -252,7 +254,7 @@ SPDX-License-Identifier: MPL-2.0
 					style="background-color: {answer.color ?? '#b07156'}"
 				>
 					<button
-						on:click={() => {
+						onclick={() => {
 							question.answers = swapArrayElements(question.answers, i, i - 1);
 						}}
 						class="disabled:opacity-50 transition shadow-lg bg-black/30 w-full flex justify-center rounded-lg p-2 hover:bg-black/20 transition"
@@ -279,7 +281,7 @@ SPDX-License-Identifier: MPL-2.0
 					<p class="w-full text-center p-2 text-2xl">{answer.answer}</p>
 
 					<button
-						on:click={() => {
+						onclick={() => {
 							question.answers = swapArrayElements(question.answers, i, i + 1);
 						}}
 						class="disabled:opacity-50 transition shadow-lg bg-black/30 w-full flex justify-center rounded-lg p-2 hover:bg-black/20 transition"
@@ -309,7 +311,7 @@ SPDX-License-Identifier: MPL-2.0
 				class="bg-[#B07156] hover:bg-amber-700 text-white font-bold py-2 px-4 rounded-lg mt-2 transition w-full"
 				type="button"
 				disabled={timer_res === '0'}
-				on:click={() => {
+				onclick={() => {
 					select_complex_answer();
 				}}
 			>
@@ -338,7 +340,7 @@ SPDX-License-Identifier: MPL-2.0
 						disabled={selected_answer !== undefined || timer_res === '0'}
 						class="p-2 rounded-lg flex justify-center w-full transition bg-amber-300 my-5 disabled:grayscale text-black opacity-50"
 						class:opacity-100={check_choice_selected[i]}
-						on:click={() => {
+						onclick={() => {
 							check_choice_selected[i] = !check_choice_selected[i];
 						}}>{answer.answer}</button
 					>
@@ -353,7 +355,7 @@ SPDX-License-Identifier: MPL-2.0
 					<button
 						type="button"
 						class="bg-orange-500 p-2 rounded-lg flex justify-center w-full transition my-5 text-black"
-						on:click={() => {
+						onclick={() => {
 							show_results = true;
 						}}>{$t('admin_page.get_results')}</button
 					>

frontend/src/lib/practice/title_screen.svelte

@@ -5,10 +5,12 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { preventDefault } from 'svelte/legacy';
+
 	import { getLocalization } from '$lib/i18n';
 
-	export let data;
 	import { fly } from 'svelte/transition';
+	let { data = $bindable() } = $props();
 
 	const { t } = getLocalization();
 </script>
@@ -19,13 +21,13 @@ SPDX-License-Identifier: MPL-2.0
 			<div class="flex align-middle p-4 gap-3">
 				<span
 					class="inline-block bg-gray-600 w-4 h-4 rounded-full hover:bg-red-400 transition"
-				/>
+				></span>
 				<span
 					class="inline-block bg-gray-600 w-4 h-4 rounded-full hover:bg-yellow-400 transition"
-				/>
+				></span>
 				<span
 					class="inline-block bg-gray-600 w-4 h-4 rounded-full hover:bg-green-400 transition"
-				/>
+				></span>
 			</div>
 		</div>
 		<div class="dark:bg-gray-700">
@@ -50,9 +52,9 @@ SPDX-License-Identifier: MPL-2.0
 						src="/api/v1/storage/download/{data.cover_image}"
 						alt="not available"
 						class="max-h-72 h-auto w-auto"
-						on:contextmenu|preventDefault={() => {
+						oncontextmenu={preventDefault(() => {
 							data.cover_image = '';
-						}}
+						})}
 					/>
 				</div>
 			{/if}

frontend/src/lib/quiztivity/add_new_slide.svelte

@@ -10,7 +10,11 @@ SPDX-License-Identifier: MPL-2.0
 	import { fade } from 'svelte/transition';
 
 	const { t } = getLocalization();
-	export let type: QuizTivityTypes | undefined;
+	interface Props {
+		type: QuizTivityTypes | undefined;
+	}
+
+	let { type = $bindable() }: Props = $props();
 
 	const PageTypes = [
 		/*		{
@@ -52,7 +56,7 @@ SPDX-License-Identifier: MPL-2.0
 					<div class="rounded-sm p-6 border-[#B07156] border">
 						<button
 							class="text-xl text-black dark:text-white"
-							on:click={() => {
+							onclick={() => {
 								type = pt.type;
 							}}>{pt.name}</button
 						>

frontend/src/lib/quiztivity/components/abcd/edit.svelte

@@ -9,7 +9,11 @@ SPDX-License-Identifier: MPL-2.0
 	import { getLocalization } from '$lib/i18n';
 	import BrownButton from '$lib/components/buttons/brown.svelte';
 
-	export let data: Abcd | undefined;
+	interface Props {
+		data: Abcd | undefined;
+	}
+
+	let { data = $bindable() }: Props = $props();
 
 	if (!data) {
 		data = {
@@ -39,7 +43,7 @@ SPDX-License-Identifier: MPL-2.0
 				/>
 				<button
 					type="button"
-					on:click={() => {
+					onclick={() => {
 						answer.correct = !answer.correct;
 					}}
 				>

frontend/src/lib/quiztivity/components/abcd/play.svelte

@@ -7,9 +7,13 @@ SPDX-License-Identifier: MPL-2.0
 <script lang="ts">
 	import type { Abcd } from '$lib/quiztivity/types';
 
-	export let data: Abcd | undefined;
+	interface Props {
+		data: Abcd | undefined;
+	}
 
-	let selected_answer: number | undefined;
+	let { data }: Props = $props();
+
+	let selected_answer: number | undefined = $state();
 
 	const select_answer = (i: number) => {
 		selected_answer = i;
@@ -24,7 +28,7 @@ SPDX-License-Identifier: MPL-2.0
 		{#each data.answers as answer, i}
 			<button
 				class="rounded-sm p-6 bg-gray-700 flex transition-all"
-				on:click={() => {
+				onclick={() => {
 					select_answer(i);
 				}}
 				class:opacity-50={selected_answer !== undefined && !answer.correct}

frontend/src/lib/quiztivity/components/markdown/edit.svelte

@@ -5,11 +5,17 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run } from 'svelte/legacy';
+
 	import type { Markdown } from '$lib/quiztivity/types';
 	import { marked } from 'marked';
 	import { browser } from '$app/environment';
 
-	export let data: Markdown | undefined;
+	interface Props {
+		data: Markdown | undefined;
+	}
+
+	let { data = $bindable() }: Props = $props();
 
 	if (!data) {
 		data = {
@@ -17,9 +23,11 @@ SPDX-License-Identifier: MPL-2.0
 		};
 	}
 
-	let rendered_html = '';
+	let rendered_html = $state('');
 
-	$: rendered_html = browser ? marked.parse(data.markdown) : '';
+	run(() => {
+		rendered_html = browser ? marked.parse(data.markdown) : '';
+	});
 </script>
 
 <div class="w-full h-[70vh] flex flex-row p-4 gap-4">
@@ -27,7 +35,7 @@ SPDX-License-Identifier: MPL-2.0
 		class="w-full resize-none border-[#B07156] border-2 rounded-sm outline-hidden p-2 bg-white/30 dark:placeholder-gray-300"
 		bind:value={data.markdown}
 		placeholder="Enter your markdown here!"
-	/>
+	></textarea>
 	<div class="w-full">
 		<div
 			class="aspect-video prose max-w-none border-[#B07156] border-2 rounded-sm p-2 dark:prose-invert"

frontend/src/lib/quiztivity/components/markdown/play.svelte

@@ -5,16 +5,24 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run } from 'svelte/legacy';
+
 	import type { Markdown } from '$lib/quiztivity/types';
 	import DOMPurify from 'dompurify';
 	import { marked } from 'marked';
 	import { browser } from '$app/environment';
 
-	export let data: Markdown | undefined;
+	interface Props {
+		data: Markdown | undefined;
+	}
 
-	let rendered_html = '';
+	let { data }: Props = $props();
 
-	$: rendered_html = browser ? DOMPurify.sanitize(marked.parse(data.markdown ?? '')) : '';
+	let rendered_html = $state('');
+
+	run(() => {
+		rendered_html = browser ? DOMPurify.sanitize(marked.parse(data.markdown ?? '')) : '';
+	});
 </script>
 
 <div class="prose dark:prose-invert">

frontend/src/lib/quiztivity/components/memory/edit.svelte

@@ -12,11 +12,15 @@ SPDX-License-Identifier: MPL-2.0
 
 	const { t } = getLocalization();
 
-	export let data: Memory | undefined;
-	let new_pair_data = {
+	interface Props {
+		data: Memory | undefined;
+	}
+
+	let { data = $bindable() }: Props = $props();
+	let new_pair_data = $state({
 		text_1: '',
 		text_2: ''
-	};
+	});
 
 	if (!data) {
 		data = {
@@ -71,9 +75,9 @@ SPDX-License-Identifier: MPL-2.0
 						rows="3"
 						contenteditable="true"
 						bind:value={new_pair_data.text_1}
-					/>
+					></textarea>
 					<div class="flex justify-center">
-						<span class="h-0.5 bg-black block w-11/12" />
+						<span class="h-0.5 bg-black block w-11/12"></span>
 					</div>
 					<BrownButton>{$t('quiztivity.memory.editor.upload_image')}</BrownButton>
 				</div>
@@ -84,9 +88,9 @@ SPDX-License-Identifier: MPL-2.0
 						rows="3"
 						contenteditable="true"
 						bind:value={new_pair_data.text_2}
-					/>
+					></textarea>
 					<div class="flex justify-center">
-						<span class="h-0.5 bg-black block w-11/12" />
+						<span class="h-0.5 bg-black block w-11/12"></span>
 					</div>
 					<BrownButton>{$t('quiztivity.memory.editor.upload_image')}</BrownButton>
 				</div>

frontend/src/lib/quiztivity/components/memory/play.svelte

@@ -9,7 +9,11 @@ SPDX-License-Identifier: MPL-2.0
 	import { getLocalization } from '$lib/i18n';
 
 	const { t } = getLocalization();
-	export let data: Memory | undefined;
+	interface Props {
+		data: Memory | undefined;
+	}
+
+	let { data }: Props = $props();
 
 	const shuffle = <Type>(a: Array<Type>): Array<Type> => {
 		for (let i = a.length - 1; i > 0; i--) {
@@ -19,7 +23,7 @@ SPDX-License-Identifier: MPL-2.0
 		return a;
 	};
 
-	let card_opened = {};
+	let card_opened = $state({});
 
 	const get_all_cards_as_single_array = (): MemoryCard[] => {
 		console.log('data', data.cards);
@@ -43,7 +47,7 @@ SPDX-License-Identifier: MPL-2.0
 
 	const found_cards: string[] = [];
 	let opened_active_cards: string[] = [];
-	let try_count = 0;
+	let try_count = $state(0);
 	let game_finished = false;
 	const flip_card = (id: string) => {
 		if (found_cards.includes(id) || game_finished) {
@@ -83,7 +87,7 @@ SPDX-License-Identifier: MPL-2.0
 		{#each random_card_order as card}
 			<button
 				class="aspect-square flex border-[#B07156] border-2 rounded-sm"
-				on:click={() => {
+				onclick={() => {
 					flip_card(card.id);
 				}}
 			>

frontend/src/lib/quiztivity/editor.svelte

@@ -5,6 +5,8 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { run } from 'svelte/legacy';
+
 	import type { Data } from './types';
 	import { getLocalization } from '$lib/i18n';
 	import BrownButton from '$lib/components/buttons/brown.svelte';
@@ -21,13 +23,17 @@ SPDX-License-Identifier: MPL-2.0
 	const { t } = getLocalization();
 	const dispatch = createEventDispatcher();
 
-	export let data: Data;
-	export let saving: boolean;
+	interface Props {
+		data: Data;
+		saving: boolean;
+	}
 
-	let selected_slide = null;
-	let opened_slide = null;
-	let selected_type = undefined;
-	let shares_menu_open = false;
+	let { data = $bindable(), saving }: Props = $props();
+
+	let selected_slide = $state(null);
+	let opened_slide = $state(null);
+	let selected_type = $state(undefined);
+	let shares_menu_open = $state(false);
 
 	for (let i = 0; i < data.pages.length; i++) {
 		const id = (Math.random() + 1).toString(36).substring(7);
@@ -42,7 +48,9 @@ SPDX-License-Identifier: MPL-2.0
 		data.pages.push({ title: undefined, data: undefined, type, id });
 		opened_slide = data.pages.length - 1;
 	};
-	$: handle_slide_add(selected_type);
+	run(() => {
+		handle_slide_add(selected_type);
+	});
 
 	const delete_slide = () => {
 		console.log(selected_slide);
@@ -81,7 +89,7 @@ SPDX-License-Identifier: MPL-2.0
 					>
 				</div>
 			{:else}
-				<span />
+				<span></span>
 			{/if}
 			<input
 				class="bg-transparent outline-hidden text-center mx-auto"

frontend/src/lib/quiztivity/shares_popover.svelte

@@ -5,6 +5,8 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
+	import { preventDefault } from 'svelte/legacy';
+
 	import BrownButton from '$lib/components/buttons/brown.svelte';
 	import { getLocalization } from '$lib/i18n';
 	import Spinner from '$lib/Spinner.svelte';
@@ -16,9 +18,13 @@ SPDX-License-Identifier: MPL-2.0
 	import { fade, fly } from 'svelte/transition';
 
 	const { t } = getLocalization();
-	export let open = false;
-	export let id;
-	let popover_open = false;
+	interface Props {
+		open?: boolean;
+		id: any;
+	}
+
+	let { open = $bindable(false), id }: Props = $props();
+	let popover_open = $state(false);
 	const load_shares = async (): Promise<{
 		id: string;
 		name?: string;
@@ -73,8 +79,8 @@ SPDX-License-Identifier: MPL-2.0
 	onMount(() => {
 		document.body.addEventListener('keydown', close_start_game_if_esc_is_pressed);
 	});
-	let never_expires_checked = true;
-	let selected_date = undefined;
+	let never_expires_checked = $state(true);
+	let selected_date = $state(undefined);
 	const create_share = async () => {
 		if (!selected_date && !never_expires_checked) {
 			return;
@@ -95,7 +101,7 @@ SPDX-License-Identifier: MPL-2.0
 		});
 		loaded_shares = load_shares();
 	};
-	let loaded_shares = load_shares();
+	let loaded_shares = $state(load_shares());
 
 	const delete_share = async (id: string) => {
 		if (!confirm('Do you really want to delete this Share?')) {
@@ -117,13 +123,13 @@ SPDX-License-Identifier: MPL-2.0
 			return false;
 		}
 	};
-	let add_shares_open = false;
+	let add_shares_open = $state(false);
 </script>
 
 <SmallPopover bind:open={popover_open} type={PopoverTypes.Copy} />
 <div
 	class="fixed w-full h-full top-0 flex bg-black/50 z-50"
-	on:click={on_parent_click}
+	onclick={on_parent_click}
 	transition:fade={{ duration: 100 }}
 >
 	<div
@@ -139,7 +145,7 @@ SPDX-License-Identifier: MPL-2.0
 				<form
 					class="flex justify-center p-2 border-b-2 border-l-2 border-r-2 border-[#B07156] flex-col gap-2"
 					transition:fly={{ duration: 100, y: -10 }}
-					on:submit|preventDefault={create_share}
+					onsubmit={preventDefault(create_share)}
 				>
 					<div class="grid grid-cols-2">
 						<input

frontend/src/lib/search-card.svelte

@@ -4,12 +4,12 @@ SPDX-FileCopyrightText: 2023 Marlon W (Mawoka)
 SPDX-License-Identifier: MPL-2.0
 -->
 
-<script>
+<script lang="ts">
 	import { getLocalization } from '$lib/i18n';
 
 	const { t } = getLocalization();
-	export let quiz;
 	import ImportedOrNot from '$lib/view_quiz/imported_or_not.svelte';
+	let { quiz } = $props();
 </script>
 
 <div class="flex justify-center">

frontend/src/lib/stores.svelte.ts

@@ -0,0 +1,6 @@
+/*
+SPDX-FileCopyrightText: 2023 Marlon W (Mawoka)
+
+SPDX-License-Identifier: MPL-2.0
+ */
+export const navbarVisible = $state({ visible: true });

frontend/src/lib/stores.ts

@@ -4,7 +4,6 @@
 
 import { writable } from 'svelte/store';
 
-export const navbarVisible = writable(true);
 export const signedIn = writable(false);
 export const pathname = writable('/');
 

frontend/src/lib/view_quiz/Hoverable.svelte

@@ -5,7 +5,12 @@ SPDX-License-Identifier: MPL-2.0
 -->
 
 <script lang="ts">
-	export let hovering: boolean;
+	interface Props {
+		hovering: boolean;
+		children?: import('svelte').Snippet<[any]>;
+	}
+
+	let { hovering = $bindable(), children }: Props = $props();
 
 	function enter() {
 		hovering = true;
@@ -16,6 +21,6 @@ SPDX-License-Identifier: MPL-2.0
 	}
 </script>
 
-<div on:mouseenter={enter} on:mouseleave={leave}>
-	<slot {hovering} />
+<div onmouseenter={enter} onmouseleave={leave}>
+	{@render children?.({ hovering, })}
 </div>

frontend/src/lib/view_quiz/RatingComponent.svelte

@@ -9,12 +9,16 @@ SPDX-License-Identifier: MPL-2.0
 	import Hoverable from '$lib/view_quiz/Hoverable.svelte';
 	import { createTippy } from 'svelte-tippy';
 
-	export let quiz: QuizData;
+	interface Props {
+		quiz: QuizData;
+	}
 
-	let FeedBackButtonsHovered = {
+	let { quiz = $bindable() }: Props = $props();
+
+	let FeedBackButtonsHovered = $state({
 		dislike: false,
 		like: false
-	};
+	});
 	const tippy = createTippy({
 		arrow: true,
 		animation: 'perspective-subtle',
@@ -50,7 +54,7 @@ SPDX-License-Identifier: MPL-2.0
 				class="bg-green-500 rounded-full h-10 w-10 transition"
 				use:tippy={{ content: 'Like this quiz!' }}
 				class:opacity-40={FeedBackButtonsHovered.dislike}
-				on:click={() => complete_action(true)}
+				onclick={() => complete_action(true)}
 			>
 				<!-- heroicons/thumb-up -->
 				<svg
@@ -74,7 +78,7 @@ SPDX-License-Identifier: MPL-2.0
 				class="rounded-full bg-red-500 h-10 w-10 transition"
 				use:tippy={{ content: 'Dislike this quiz!' }}
 				class:opacity-40={FeedBackButtonsHovered.like}
-				on:click={() => complete_action(false)}
+				onclick={() => complete_action(false)}
 			>
 				<!-- heroicons/thumb-down -->
 				<svg
@@ -96,7 +100,7 @@ SPDX-License-Identifier: MPL-2.0
 		<span class="text-center">{quiz.likes}</span>
 		<span class="text-center">{quiz.dislikes}</span>
 	</div>
-	<span class="w-full border-t-2 border-[#B07156]" />
+	<span class="w-full border-t-2 border-[#B07156]"></span>
 	<div class="mx-auto grid grid-cols-2 gap-2">
 		<div class="flex flex-col">
 			<!-- heroicons/legacy-outline/Play -->

frontend/src/lib/view_quiz/imported_or_not.svelte

@@ -7,7 +7,11 @@ SPDX-License-Identifier: MPL-2.0
 <script lang="ts">
 	import { createTippy } from 'svelte-tippy';
 
-	export let imported: boolean | undefined;
+	interface Props {
+		imported: boolean | undefined;
+	}
+
+	let { imported }: Props = $props();
 	const tippy = createTippy({
 		arrow: true,
 		animation: 'perspective-subtle',