refactor(control): implement ESLint -> remove unnecessary imports, improve general code quality

control/frontend/src/routes/+layout.svelte

@@ -15,6 +15,7 @@
 </svelte:head>
 
 {#if !dev}
+	<!-- eslint-disable-next-line svelte/no-at-html-tags -->
 	{@html versionSplashScreen}
 {/if}
 

control/frontend/src/routes/+page.svelte

@@ -7,10 +7,8 @@
 		Trash2,
 		Menu,
 		ChevronDown,
-		icons,
 		SquareCheckBig,
 		Square,
-		X,
 		Info
 	} from 'lucide-svelte';
 	import Button from '$lib/components/Button.svelte';
@@ -73,13 +71,13 @@
 		const mac = text_inputs_valid.mac.value === '' ? null : text_inputs_valid.mac.value;
 		const name = text_inputs_valid.name.value;
 		let display: Display | null = null;
-		if (!!existing_display_id) {
+		if (existing_display_id) {
 			display = await edit_display_data(existing_display_id, ip, mac, name);
 		} else {
 			const status = await ping_ip(text_inputs_valid.ip.value);
 			display = await add_display(ip, mac, name, status);
 		}
-		if (!!display) {
+		if (display) {
 			await update_display_status(display);
 		}
 	}
@@ -179,6 +177,7 @@
 	};
 </script>
 
+<!-- eslint-disable-next-line @typescript-eslint/no-unused-vars -->
 {#snippet about_popup(_: string)}
 	<div class="px-2">
 		<p>
@@ -253,7 +252,7 @@
 		title="Anzeigename"
 		placeholder="z.B. Beamer vorne links"
 		is_valid_function={async (input: string) => {
-			if (!!existing_display_id) {
+			if (existing_display_id) {
 				if (input === (await get_display_by_id(existing_display_id))?.name)
 					return [true, 'Gültiger Name'];
 			}
@@ -317,7 +316,7 @@
 		{/if}
 		<Button
 			disabled={!all_text_inputs_valid()}
-			className="{!!existing_display_id ? 'px-4' : 'pl-3 pr-4 gap-2'} font-bold"
+			className="{existing_display_id ? 'px-4' : 'pl-3 pr-4 gap-2'} font-bold"
 			bg="bg-stone-650"
 			click_function={async () => {
 				await finalize_add_edit_display(existing_display_id);

control/frontend/src/routes/ControlView.svelte

@@ -21,7 +21,6 @@
 		show_blackscreen,
 		shutdown,
 		startup,
-		show_html,
 		open_website
 	} from '$lib/ts/api_handler';
 	import {
@@ -135,7 +134,7 @@
 
 	function validate_website_url(url: string): [boolean, string] {
 		if (url === '') return [true, ''];
-		const regex = /^https?:\/\/[\w\-]+(\.[\w\-]+)+([\w\-\._~:/?#\[\]@!$&'\(\)\*\+,;=.])*/;
+		const regex = /^https?:\/\/[\w-]+(\.[\w-]+)+([\w\-._~:/?#[\]@!$&'()*+,;=.])*/;
 		if (regex.test(url)) {
 			return [true, ''];
 		}

control/frontend/src/routes/DisplayView.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-	import { fade, scale } from 'svelte/transition';
+	import { fade } from 'svelte/transition';
 	import {
 		all_displays_of_group_selected,
 		get_display_by_id,
@@ -25,12 +25,9 @@
 	import { selected_display_ids } from '$lib/ts/stores/select';
 	import { dragHandleZone } from 'svelte-dnd-action';
 	import DisplayGroupObject from '../lib/components/DisplayGroupObject.svelte';
-	import { Pane, Splitpanes } from 'svelte-splitpanes';
+	import { Pane, Splitpanes, type IPaneSizingEvent } from 'svelte-splitpanes';
 	import HighlightedText from '$lib/components/HighlightedText.svelte';
 	import { liveQuery, type Observable } from 'dexie';
-	import { onMount } from 'svelte';
-	import { flip } from 'svelte/animate';
-	import { cubicOut } from 'svelte/easing';
 
 	let {
 		handle_display_deletion,
@@ -110,7 +107,7 @@
 		return true;
 	}
 
-	function handle_splitpane_resize(e: any) {
+	function handle_splitpane_resize(e: CustomEvent<IPaneSizingEvent[]>) {
 		if (e.detail[0].size === 0) {
 			$pinned_display_id = null;
 			pinned_pane_size = last_pinned_pane_size;
@@ -225,7 +222,7 @@
 								title="Bildschirme größer darstellen"
 								className="aspect-square p-1.5! pr-1! rounded-r-none"
 								bg="bg-stone-600"
-								disabled={!Boolean(next_height_step_size('display', $current_height, 1))}
+								disabled={!next_height_step_size('display', $current_height, 1)}
 								click_function={() => {
 									change_height('display', 1);
 								}}
@@ -236,7 +233,7 @@
 								title="Bildschirme kleiner darstellen"
 								className="aspect-square p-1.5! pl-1! rounded-l-none"
 								bg="bg-stone-600"
-								disabled={!Boolean(next_height_step_size('display', $current_height, -1))}
+								disabled={!next_height_step_size('display', $current_height, -1)}
 								click_function={() => {
 									change_height('display', -1);
 								}}

control/frontend/src/routes/FileView.svelte

@@ -78,7 +78,7 @@
 			const results = await Promise.all(selected_file_ids.map((id) => get_file_by_id(id)));
 			return results.filter((element) => element !== null);
 		} catch (e: unknown) {
-			console.error('Error on generating selected_files');
+			console.error('Error on generating selected_files', e);
 			return [];
 		}
 	}
@@ -172,7 +172,7 @@
 			> existiert nicht auf {display_names_where_path_does_not_exist.length === 1
 				? 'dem Bildschirm'
 				: 'den Bildschirmen'}
-			{#each display_names_where_path_does_not_exist as display_name, i}
+			{#each display_names_where_path_does_not_exist as display_name, i (i)}
 				{#if i !== 0}
 					,
 				{/if}
@@ -247,7 +247,7 @@
 			>{`${$selected_file_ids.length === 1 ? 'Folgendes Objekt' : `Folgende ${$selected_file_ids.length} Objekte`} löschen? (Wiederherstellung nicht möglich)`}</span
 		>
 		<div class="flex flex-col gap-2 overflow-y-auto h-full min-h-0 grow-0">
-			{#each $selected_files || [] as file}
+			{#each $selected_files || [] as file, i (i)}
 				<InodeElement {file} not_interactable />
 			{/each}
 		</div>
@@ -294,7 +294,7 @@
 				title="Dateien größer darstellen"
 				className="aspect-square p-1.5! pr-1! rounded-r-none"
 				bg="bg-stone-600"
-				disabled={!Boolean(next_height_step_size('file', $current_height, 1))}
+				disabled={!next_height_step_size('file', $current_height, 1)}
 				click_function={() => {
 					change_height('file', 1);
 				}}
@@ -305,7 +305,7 @@
 				title="Dateien kleiner darstellen"
 				className="aspect-square p-1.5! pl-1! rounded-l-none"
 				bg="bg-stone-600"
-				disabled={!Boolean(next_height_step_size('file', $current_height, -1))}
+				disabled={!next_height_step_size('file', $current_height, -1)}
 				click_function={() => {
 					change_height('file', -1);
 				}}

control/frontend/src/routes/KeyInput.svelte

@@ -4,7 +4,7 @@
 	import { fade } from 'svelte/transition';
 	import { run_on_all_selected_displays } from '$lib/ts/stores/displays';
 	import { send_keyboard_input } from '$lib/ts/api_handler';
-	import { ArrowDownToLine, ArrowUpFromLine, Grid2x2, Grid2X2, Option } from 'lucide-svelte';
+	import { ArrowDownToLine, ArrowUpFromLine, Grid2x2, Option } from 'lucide-svelte';
 	import Button from '$lib/components/Button.svelte';
 	import { onDestroy } from 'svelte';
 	import { add_to_keyboard_queue } from '$lib/ts/utils';

control/frontend/src/routes/TipTapInput.svelte

@@ -9,7 +9,6 @@
 		Highlighter,
 		Italic,
 		PaintBucket,
-		QrCode,
 		Strikethrough
 	} from 'lucide-svelte';
 	import Button from '$lib/components/Button.svelte';
@@ -149,7 +148,7 @@
 		editor_state.editor?.destroy();
 	});
 </script>
-
+
 {#each Object.values(color_states) as color_state, i (i)}
 	<input type="color" bind:this={color_state.el} bind:value={color_state.value} class="hidden" />
 {/each}
@@ -163,9 +162,9 @@
 	</div>
 
 	<div class="flex flex-col gap-2 justify-between">
-		<div class="flex flex-col gap-2">
+		<div class="flex flex-col gap-2">
 			{#each text_edit_options as edit_row, i (i)}
-				<div class="flex flex-row gap-1">
+				<div class="flex flex-row gap-1">
 					{#each edit_row as option, j (j)}
 						<div class="flex flex-row">
 							<button