correct type issues

dist/index.js

@@ -605,9 +605,9 @@
         exportHeadline: "Daten exportieren",
         importHeadline: "Daten importieren",
         selectionDescription: "W\xE4hle die Daten aus, die du \xFCbertragen m\xF6chtest.",
+        exportSelectionDescription: "W\xE4hle die Daten aus, die du exportieren m\xF6chtest.",
         dataEntryDescription: "Gib diese Informationen auf dem anderen Ger\xE4t ein.",
         dataEntryInputDescription: "Gib die auf dem anderen Ger\xE4t angezeigten Informationen ein.",
-        notConnectedError: "Du bist mit keinem Server verbunden.",
         fromThisDeviceButton: "An anderes Ger\xE4t senden",
         toThisDeviceButton: "An dieses Ger\xE4t senden",
         exportButton: "Als Datei exportieren",
@@ -622,7 +622,13 @@
         sendAgainButton: "Erneut senden",
         filesSentCount: (count) => `Dateien gesendet: ${count}.`,
         allFilesSent: "Fertig.",
-        filesReceivedCount: (count) => `Dateien empfangen: ${count}.`
+        filesReceivedCount: (count) => `Dateien empfangen: ${count}.`,
+        exportKey: "Schl\xFCssel",
+        exportKeyConfirmation: "Schl\xFCssel best\xE4tigen",
+        downloadFileButton: "Herunterladen",
+        importFileButton: "Importieren",
+        decryptImportButton: "Entschl\xFCsseln",
+        incorrectPassphraseError: "Der Schl\xFCssel ist nicht korrekt"
       },
       storage: {
         noItemSelected: "Kein Element ausgew\xE4hlt",
@@ -814,9 +820,9 @@
         exportHeadline: "Exportar archivo",
         importHeadline: "Importar archivo",
         selectionDescription: "Selecciona los datos que quieres transferir.",
+        exportSelectionDescription: "Selecciona los datos que quieres exportar.",
         dataEntryDescription: "Introduce estos datos en el otro dispositivo.",
         dataEntryInputDescription: "Introduce los datos mostrados en el otro dispositivo.",
-        notConnectedError: "No est\xE1s conectado a ning\xFAn servidor.",
         fromThisDeviceButton: "Enviar a otro dispositivo",
         toThisDeviceButton: "Enviar a este dispositivo",
         exportButton: "Exportar archivo",
@@ -826,12 +832,18 @@
         settingsData: "Datos de Configuraci\xF3n",
         chatsHeadline: "Chats",
         transferChannelHeadline: "Canal de Transferencia",
-        transferKeyHeadline: "Clave de Encriptaci\xF3n de Transferencia",
+        transferKeyHeadline: "Clave de encriptaci\xF3n de transferencia",
         sendButton: "Enviar",
         sendAgainButton: "Enviar otra vez",
         filesSentCount: (count) => `Archivos enviados: ${count}.`,
         allFilesSent: "Hecho.",
-        filesReceivedCount: (count) => `Archivos recibidos: ${count}.`
+        filesReceivedCount: (count) => `Archivos recibidos: ${count}.`,
+        exportKey: "Clave de encriptaci\xF3n",
+        exportKeyConfirmation: "Confirmar clave",
+        downloadFileButton: "Descargar",
+        importFileButton: "Importar",
+        decryptImportButton: "Descifrar",
+        incorrectPassphraseError: "La clave no es correcta"
       },
       storage: {
         noItemSelected: "Ning\xFAn elemento seleccionado",
@@ -1162,6 +1174,8 @@
     const point = (e, direction, i) => e.touches[i][direction == "x" ? "clientX" : "clientY"];
     const midpoint = (e, direction) => (point(e, direction, 0) + point(e, direction, 1)) / 2;
     function apply(factor, _offset) {
+      const el = element();
+      if (!el) return;
       if (factor < MIN) return apply(MIN, _offset);
       if (factor > MAX) return apply(5, _offset);
       let x, y;
@@ -1170,7 +1184,7 @@
         x = currentX;
         y = currentY;
       }
-      element().style.transform = `scale(${factor.toString()}) translate(${x}px, ${y}px)`;
+      el.style.transform = `scale(${factor.toString()}) translate(${x}px, ${y}px)`;
       currentX = x;
       currentY = y;
       currentZoom = factor;
@@ -1194,8 +1208,10 @@
     });
     canvas.addEventListener("touchstart", (event) => {
       document.activeElement.blur();
-      if (lastElement != void 0 && lastElement != element()) reset();
+      const el = element();
-      lastElement = element();
+      if (!el) return;
+      if (lastElement != void 0 && lastElement != el) reset();
+      lastElement = el;
       initialZoom = currentZoom;
       initialX = currentX;
       initialY = currentY;
@@ -1241,7 +1257,7 @@
       this.connectionModel = connectionModel2;
       this.chatListModel = chatListModel2;
       this.fileTransferModel = fileTransferModel2;
-      this.BUILD = "Build 26.09.06.A";
+      this.BUILD = "Build 26.09.09.A";
       // CONTEXT
       this.contextStack = /* @__PURE__ */ new Map();
       this.closeContext = (contextId, fromHistoryEvent = false) => {
@@ -1249,6 +1265,7 @@
           return;
         while (this.contexts.length > 0) {
           const currentContext = this.context;
+          if (!currentContext) return;
           currentContext.handleContextClose(fromHistoryEvent);
           this.contextStack.delete(currentContext.contextId);
           if (currentContext.contextId == contextId) break;
@@ -1260,7 +1277,7 @@
         const contexts = this.contexts;
         while (contexts.length > 0) {
           const currentContext = contexts.pop();
-          if (!currentContext) contexts;
+          if (!currentContext) return;
           const isHandled = currentContext.handleKeystroke(e);
           if (isHandled == true) break;
         }
@@ -1287,6 +1304,7 @@
       this.translations = allTranslations[settingsModel2.language] || allTranslations.en;
       document.body.addEventListener("keydown", this.handleKeyDown);
       window.onpopstate = () => {
+        if (!this.context) return;
         this.closeContext(this.context.contextId, true);
       };
       this.startChron();
@@ -1337,8 +1355,9 @@
     }
   };
   var ContextHost = class extends Context {
-    constructor() {
+    constructor(contextDebugDescription, coreViewModel2) {
-      super(...arguments);
+      super(contextDebugDescription);
+      this.coreViewModel = coreViewModel2;
       this.contexts = /* @__PURE__ */ new Map();
       this.currentContext = new State(void 0);
       this.registerContext = (key, context) => {
@@ -1354,8 +1373,10 @@
       };
       this.updateContexts = () => {
         if (this.isOpen == false) return;
+        const selection = this.contextSelection;
+        if (!selection) return;
         const selectedContext = this.contexts.get(
-          this.contextSelection
+          selection
         );
         if (!selectedContext) return;
         if (selectedContext != this.currentContext.value) {
@@ -1657,6 +1678,11 @@
   var SettingsModel = class _SettingsModel {
     // init
     constructor(storageModel2) {
+      // data
+      this.username = "";
+      this.firstDayOfWeek = "";
+      this.language = "";
+      this.theme = "";
       // storage
       this.storeSetting = (pathName, value) => {
         const path = StorageModel.getPath(
@@ -1943,6 +1969,7 @@
         const input = document.getElementById("file-transfer-input");
         if (!input) return;
         if (!(input instanceof HTMLInputElement)) return;
+        if (!input.files) return;
         const file = input.files[0];
         this.importedFile.value = file;
       };
@@ -1953,6 +1980,7 @@
         reader.readAsText(file, "utf8");
         reader.onload = () => {
           const result = reader.result;
+          if (!result) return;
           this.importedFileString.value = result.toString();
           this.showImportDecryptDataModal();
         };
@@ -3183,7 +3211,7 @@
   var TaskPageViewModel = class extends ContextHost {
     // init
     constructor(coreViewModel2, chatViewModel, boardsAndTasksModel) {
-      super("task-page");
+      super("task-page", coreViewModel2);
       this.coreViewModel = coreViewModel2;
       this.chatViewModel = chatViewModel;
       this.boardsAndTasksModel = boardsAndTasksModel;
@@ -3508,6 +3536,8 @@
   var ChatModel = class _ChatModel {
     // init
     constructor(storageModel2, connectionModel2, settingsModel2, chatListModel2, chatId) {
+      /* load function called in constructor */
+      this.color = "standard" /* Standard */;
       // handler managers
       this.chatMessageHandlerManager = new HandlerManager();
       this.reactionHandlerManager = new HandlerManager();
@@ -3622,7 +3652,7 @@
       };
       this.sendMessage = async (body, inlineReplyId, fileContent) => {
         const nameAndChannel = this.getNameAndChannel();
-        if (nameAndChannel == false) return;
+        if (nameAndChannel == false) return false;
         const [senderName, combinedChannel] = nameAndChannel;
         const chatMessage = await _ChatModel.createChatMessage(
           combinedChannel,
@@ -3648,10 +3678,10 @@
         chatMessage.body = decryptedBody;
         chatMessage.stringifiedFile = decryptedFile;
       };
-      this.sendReaction = async (messageId, content, isDeleting) => {
+      this.sendReaction = async (messageId, content, isDeleting = false) => {
         const nameAndChannel = this.getNameAndChannel();
         if (nameAndChannel == false) return;
-        const [senderName, combinedChannel] = nameAndChannel;
+        const [senderName] = nameAndChannel;
         const reaction = _ChatModel.createMessageReaction(
           messageId,
           senderName,
@@ -3860,6 +3890,9 @@
     constructor(coreViewModel2, messagePageViewModel, chatMessage, sentByUser) {
       this.coreViewModel = coreViewModel2;
       this.messagePageViewModel = messagePageViewModel;
+      this.channel = "";
+      this.sender = "";
+      this.dateSent = "";
       this.body = new State("");
       this.inlineReply = void 0;
       this.status = new State(
@@ -4314,7 +4347,7 @@
   var ChatViewModel6 = class extends ContextHost {
     // init
     constructor(coreViewModel2, chatModel, settingsViewModel2, notificationViewModel, connectionViewModel2, chatListViewModel2) {
-      super("chat");
+      super("chat", coreViewModel2);
       this.coreViewModel = coreViewModel2;
       this.chatModel = chatModel;
       this.settingsViewModel = settingsViewModel2;
@@ -4498,6 +4531,7 @@
         ].find(
           (chat2) => chat2.chatModel.unwrappedPrimaryChannel == notification.chat
         );
+        if (!chat) return;
         chat.open();
         chat.openPage("messages" /* Messages */);
       };
@@ -4508,6 +4542,7 @@
           return this.stopLoop();
         }
         const notification = this.messagesInMarquee.shift();
+        if (!notification) return;
         this.seenMessageIds.delete(notification.messageId);
         this.marquee.value = notification;
       };
@@ -6573,6 +6608,7 @@
   // src/View/Modals/splitModal.tsx
   function SplitModal(coreViewModel2, leftView, rightView, extendedStyle = false, navigationState) {
     function closePage() {
+      if (!navigationState) return;
       navigationState.value = void 0;
     }
     const hasPageOpen = new State(false);
@@ -7531,6 +7567,7 @@
         return transferData;
       };
       this.prepareToSend = () => {
+        if (!this.transferData) return;
         this.direction = 0 /* Send */;
         this.connectionModel.addChannel(this.transferData.channel);
       };
@@ -7627,6 +7664,7 @@
         return stringify(fileData);
       };
       this.sendFile = async (stringifiedFileData) => {
+        if (!this.transferData) return;
         const encryptedFileData = await encryptString(
           stringifiedFileData,
           this.transferData.key

src/Model/Chat/chatModel.ts

@@ -34,8 +34,8 @@ export default class ChatModel {
 
     // data
     readonly id: string;
-    info: ChatInfo;
+    info: ChatInfo; /* load function called in constructor */
-    color: Colors;
+    color: Colors = Colors.Standard;
 
     get unwrappedPrimaryChannel(): string {
         return this.info.namespace + this.info.primaryChannel;
@@ -196,7 +196,7 @@ export default class ChatModel {
         fileContent?: FileContent<string>,
     ): Promise<boolean> => {
         const nameAndChannel = this.getNameAndChannel();
-        if (nameAndChannel == false) return;
+        if (nameAndChannel == false) return false;
         const [senderName, combinedChannel] = nameAndChannel;
 
         const chatMessage: ChatMessage = await ChatModel.createChatMessage(
@@ -231,11 +231,11 @@ export default class ChatModel {
     readonly sendReaction = async (
         messageId: string,
         content: ReactionSymbols,
-        isDeleting?: boolean,
+        isDeleting: boolean = false,
     ): Promise<void> => {
         const nameAndChannel = this.getNameAndChannel();
         if (nameAndChannel == false) return;
-        const [senderName, combinedChannel] = nameAndChannel;
+        const [senderName] = nameAndChannel;
 
         const reaction = ChatModel.createMessageReaction(
             messageId,

src/Model/Global/fileTransferModel.ts

@@ -37,6 +37,7 @@ export default class FileTransferModel {
     };
 
     readonly prepareToSend = (): void => {
+	if (!this.transferData) return;
         this.direction = TransferDirections.Send;
         this.connectionModel.addChannel(this.transferData.channel);
     };
@@ -156,7 +157,7 @@ export default class FileTransferModel {
     };
 
     readonly prepareFileForSending = (filePath: string[]): string => {
-        const fileContent: string | undefined =
+        const fileContent: string | null =
             this.storageModel.read(filePath);
         if (fileContent == null) return "";
 
@@ -168,6 +169,8 @@ export default class FileTransferModel {
     };
 
     readonly sendFile = async (stringifiedFileData: string): Promise<void> => {
+	if (!this.transferData) return;
+
         const encryptedFileData: string = await encryptString(
             stringifiedFileData,
             this.transferData.key,

src/Model/Global/settingsModel.ts

@@ -6,10 +6,10 @@ export default class SettingsModel {
     readonly storageModel: StorageModel;
 
     // data
-    username: string;
+    username: string = "";
-    firstDayOfWeek: string;
+    firstDayOfWeek: string = "";
-    language: string;
+    language: string = "";
-    theme: string;
+    theme: string = "";
 
     // storage
     private readonly storeSetting = (
@@ -46,7 +46,7 @@ export default class SettingsModel {
     // load
     private readonly readSetting = (
         pathName: keyof typeof filePaths.settingsModel,
-    ): string => {
+    ): string|null=> {
         const path = StorageModel.getPath(
             StorageModelSubPaths.SettingsModel,
             filePaths.settingsModel[pathName],

src/Model/Utility/utility.ts

@@ -313,7 +313,7 @@ export function implementPinchZoom(canvas: HTMLElement) {
     const MIN = 0.25;
     const MAX = 5;
 
-    const element = (): HTMLElement => canvas.querySelector(".zoom");
+    const element = (): HTMLElement|null=> canvas.querySelector(".zoom");
     const distance = (e: TouchEvent) =>
 	Math.hypot(
 	    e.touches[0].pageX - e.touches[1].pageX,
@@ -325,6 +325,8 @@ export function implementPinchZoom(canvas: HTMLElement) {
 	(point(e, direction, 0) + point(e, direction, 1)) / 2;
 
     function apply(factor: number, _offset?: [number, number]) {
+	const el = element();
+	if (!el) return;
 	if (factor < MIN) return apply(MIN, _offset);
 	if (factor > MAX) return apply(5, _offset);
 
@@ -334,7 +336,7 @@ export function implementPinchZoom(canvas: HTMLElement) {
 	    x = currentX
 	    y = currentY
 	}
-	element().style.transform = `scale(${factor.toString()}) translate(${x}px, ${y}px)`;
+	el.style.transform = `scale(${factor.toString()}) translate(${x}px, ${y}px)`;
 	currentX = x;
 	currentY = y;
 	currentZoom = factor;
@@ -356,15 +358,17 @@ export function implementPinchZoom(canvas: HTMLElement) {
 	}
 	apply(currentZoom - event.deltaY * 0.01);
     });
-    canvas.addEventListener("scroll", (event: MouseEvent) => {
+    canvas.addEventListener("scroll", (event: Event) => {
 	event.preventDefault();
     });
 
     canvas.addEventListener("touchstart", (event: TouchEvent) => {
 	(document.activeElement as HTMLElement).blur();
 
-	if (lastElement != undefined && lastElement != element()) reset();
+	const el = element();
-	lastElement = element();
+	if (!el) return;
+	if (lastElement != undefined && lastElement != el) reset();
+	lastElement = el;
 
 	initialZoom = currentZoom;
 	initialX = currentX;

src/View/Modals/settingsModal.tsx

@@ -169,7 +169,7 @@ function SettingsAppearancePane(
             <h2>{coreViewModel.translations.settings.pages.appearance}</h2>
             <hr></hr>
             {OptionButtonList(
-                new React.ListState<[string, ThemeSettings]>([
+                new React.ListState<[string, string]>([
                     [
                         coreViewModel.translations.settings.themes.dark,
                         ThemeSettings.Dark,

src/View/Modals/splitModal.tsx

@@ -10,6 +10,7 @@ export function SplitModal<T>(
     navigationState?: React.State<T | undefined>,
 ) {
     function closePage() {
+	if (!navigationState) return;
         navigationState.value = undefined;
     }
 

src/View/translations.ts

@@ -435,13 +435,13 @@ export const allTranslations: {
             importHeadline: "Daten importieren",
             selectionDescription:
                 "Wähle die Daten aus, die du übertragen möchtest.",
+            exportSelectionDescription:
+                "Wähle die Daten aus, die du exportieren möchtest.",
             dataEntryDescription:
                 "Gib diese Informationen auf dem anderen Gerät ein.",
             dataEntryInputDescription:
                 "Gib die auf dem anderen Gerät angezeigten Informationen ein.",
 
-            notConnectedError: "Du bist mit keinem Server verbunden.",
-
             fromThisDeviceButton: "An anderes Gerät senden",
             toThisDeviceButton: "An dieses Gerät senden",
             exportButton: "Als Datei exportieren",
@@ -464,6 +464,13 @@ export const allTranslations: {
             allFilesSent: "Fertig.",
 
 	    filesReceivedCount: (count) => `Dateien empfangen: ${count}.`,
+
+	    exportKey: "Schlüssel",
+	    exportKeyConfirmation: "Schlüssel bestätigen",
+	    downloadFileButton: "Herunterladen",
+	    importFileButton: "Importieren",
+	    decryptImportButton: "Entschlüsseln",
+	    incorrectPassphraseError: "Der Schlüssel ist nicht korrekt"
 	},
 
 	storage: {
@@ -722,13 +729,13 @@ export const allTranslations: {
 	    importHeadline: "Importar archivo",
 	    selectionDescription:
 	    "Selecciona los datos que quieres transferir.",
+	    exportSelectionDescription:
+	    "Selecciona los datos que quieres exportar.",
 	    dataEntryDescription:
 	    "Introduce estos datos en el otro dispositivo.",
 	    dataEntryInputDescription:
 	    "Introduce los datos mostrados en el otro dispositivo.",
 
-            notConnectedError: "No estás conectado a ningún servidor.",
-
 	    fromThisDeviceButton: "Enviar a otro dispositivo",
 	    toThisDeviceButton: "Enviar a este dispositivo",
 	    exportButton: "Exportar archivo",
@@ -742,7 +749,7 @@ export const allTranslations: {
 	    chatsHeadline: "Chats",
 
 	    transferChannelHeadline: "Canal de Transferencia",
-            transferKeyHeadline: "Clave de Encriptación de Transferencia",
+	    transferKeyHeadline: "Clave de encriptación de transferencia",
 
 	    sendButton: "Enviar",
 	    sendAgainButton: "Enviar otra vez",
@@ -751,6 +758,13 @@ export const allTranslations: {
 	    allFilesSent: "Hecho.",
 
 	    filesReceivedCount: (count) => `Archivos recibidos: ${count}.`,
+        
+	    exportKey: "Clave de encriptación",
+	    exportKeyConfirmation: "Confirmar clave",
+	    downloadFileButton: "Descargar",
+	    importFileButton: "Importar",
+	    decryptImportButton: "Descifrar",
+	    incorrectPassphraseError: "La clave no es correcta"
 	},
 
 	storage: {

src/View/viewController.ts

@@ -7,9 +7,9 @@ class Tracker<T> {
 class TrackerMap<T> {
     trackers = new Map<string, Tracker<T>>();
 
-    private register = (key: string): Tracker<T> => {
+    private register = (key: string): Tracker<T>=> {
         if (this.trackers.has(key)) {
-            return this.trackers.get(key);
+            return this.trackers.get(key)!;
         }
         const tracker = new Tracker<T>();
         this.trackers.set(key, tracker);
@@ -19,7 +19,7 @@ class TrackerMap<T> {
     setState = (
         key: string,
         stateBuilder: () => React.State<T>,
-    ): React.State<T | undefined> | undefined => {
+    ): React.State<T> | undefined => {
         const tracker: Tracker<T> = this.register(key);
 
         if (tracker.state != undefined) {

src/ViewModel/Chat/chatMessageViewModel.ts

@@ -11,9 +11,9 @@ import {
 export default class ChatMessageViewModel {
     // data
     chatMessage: ChatMessage;
-    channel: string;
+    channel: string = "";
-    sender: string;
+    sender: string = "";
-    dateSent: string;
+    dateSent: string = "";
     body: React.State<string> = new React.State("");
     inlineReply: ChatMessageViewModel | undefined = undefined;
     status: React.State<ChatMessageStatuses | any> = new React.State<any>(

src/ViewModel/Chat/chatViewModel.ts

@@ -143,14 +143,14 @@ export default class ChatViewModel extends ContextHost<ChatPageTypes> {
 
     // init
     constructor(
-        public readonly coreViewModel: CoreViewModel,
+        readonly coreViewModel: CoreViewModel,
         public readonly chatModel: ChatModel,
         public readonly settingsViewModel: SettingsViewModel,
         public readonly notificationViewModel: NotificationViewModel,
         public readonly connectionViewModel: ConnectionViewModel,
         public readonly chatListViewModel: ChatListViewModel,
     ) {
-        super("chat");
+        super("chat", coreViewModel);
 
         // page viewModels
         this.calendarViewModel = new CalendarPageViewModel(

src/ViewModel/Global/coreViewModel.ts

@@ -9,7 +9,7 @@ import ConnectionModel from "../../Model/Global/connectionModel";
 import ChatListModel from "../../Model/Chat/chatListModel";
 
 export default class CoreViewModel {
-    readonly BUILD = "Build 26.09.06.A";
+    readonly BUILD = "Build 26.09.09.A";
 
     translations: Translations;
 
@@ -40,7 +40,8 @@ export default class CoreViewModel {
             return;
 
         while (this.contexts.length > 0) {
-            const currentContext: Context = this.context;
+            const currentContext: Context|undefined= this.context;
+	    if (!currentContext) return;
             currentContext.handleContextClose(fromHistoryEvent);
             this.contextStack.delete(currentContext.contextId);
             if (currentContext.contextId == contextId) break;
@@ -53,7 +54,7 @@ export default class CoreViewModel {
         const contexts: Context[] = this.contexts;
         while (contexts.length > 0) {
             const currentContext: Context | undefined = contexts.pop();
-            if (!currentContext) contexts;
+            if (!currentContext) return;
             const isHandled: boolean = currentContext.handleKeystroke(e);
             if (isHandled == true) break;
         }
@@ -102,6 +103,7 @@ export default class CoreViewModel {
         document.body.addEventListener("keydown", this.handleKeyDown);
 
         window.onpopstate = () => {
+	    if (!this.context) return;
             this.closeContext(this.context.contextId, true);
         };
 
@@ -142,7 +144,6 @@ export class Context {
 }
 
 export class ContextHost<T> extends Context {
-    coreViewModel: CoreViewModel;
     contexts = new Map<T, Context>();
     currentContext = new React.State<Context | undefined>(undefined);
 
@@ -169,8 +170,10 @@ export class ContextHost<T> extends Context {
     updateContexts = (): void => {
         if (this.isOpen == false) return;
 
+	const selection = this.contextSelection;
+	if (!selection) return;
         const selectedContext: Context | undefined = this.contexts.get(
-            this.contextSelection,
+            selection
         );
         if (!selectedContext) return;
         if (selectedContext != this.currentContext.value) {
@@ -180,4 +183,8 @@ export class ContextHost<T> extends Context {
         this.coreViewModel.context = selectedContext;
         this.currentContext.value = selectedContext;
     };
+    
+    constructor(contextDebugDescription: string, public coreViewModel: CoreViewModel) {
+	super(contextDebugDescription);
+    }
 }

src/ViewModel/Global/fileTransferViewModel.ts

@@ -54,7 +54,7 @@ export default class FileTransferViewModel extends Context {
     exportKey: React.State<string> = new React.State("");
     exportKeyConfirmation: React.State<string> = new React.State("");
 
-    importedFile: React.State<File | undefined> = new React.State(undefined);
+    importedFile: React.State<File | undefined> = new React.State<File | undefined>(undefined);
     importedFileString: React.State<string> = new React.State("");
     importKey: React.State<string> = new React.State("");
     isImportKeyCorrect: React.State<boolean> = new React.State(true);
@@ -158,6 +158,7 @@ export default class FileTransferViewModel extends Context {
         if (!input) return;
         if (!(input instanceof HTMLInputElement)) return;
 
+	if (!input.files) return;
         const file = input.files[0];
         this.importedFile.value = file;
     };
@@ -170,6 +171,7 @@ export default class FileTransferViewModel extends Context {
         reader.readAsText(file, "utf8");
         reader.onload = () => {
             const result = reader.result;
+	    if (!result) return;
             this.importedFileString.value = result.toString();
             this.showImportDecryptDataModal();
         };

src/ViewModel/Global/notificationViewModel.ts

@@ -35,7 +35,7 @@ export default class NotificationViewModel {
     };
 
     openNotification = () => {
-        const notification: Notification = this.marquee.value;
+        const notification: Notification|undefined = this.marquee.value;
         if (notification == undefined) return;
 
         const chat = [
@@ -44,6 +44,7 @@ export default class NotificationViewModel {
             (chat) =>
                 chat.chatModel.unwrappedPrimaryChannel == notification.chat,
         );
+	if (!chat) return;
         chat.open();
         chat.openPage(ChatPageTypes.Messages);
     };
@@ -55,7 +56,8 @@ export default class NotificationViewModel {
             return this.stopLoop();
         }
 
-        const notification: Notification = this.messagesInMarquee.shift();
+        const notification: Notification|undefined = this.messagesInMarquee.shift();
+	if (!notification) return;
         this.seenMessageIds.delete(notification.messageId);
         this.marquee.value = notification;
     };

src/ViewModel/Global/settingsViewModel.ts

@@ -9,14 +9,14 @@ export default class SettingsViewModel extends Context {
     usernameInput: React.State<string> = new React.State("");
     isShowingSettingsModal: React.State<boolean> = new React.State(false);
     selectedModalPage: React.State<SettingsModalPages | undefined> =
-        new React.State(undefined);
+        new React.State<SettingsModalPages | undefined>(undefined);
     requiresReload = new React.State<boolean>(false);
 
     firstDayOfWeek: React.State<string> = new React.State("0");
-    language: React.State<Languages | string> = new React.State(
+    language: React.State<Languages | string> = new React.State<Languages | string>(
         Languages.English,
     );
-    theme: React.State<ThemeSettings | string> = new React.State(
+    theme: React.State<ThemeSettings | string> = new React.State<ThemeSettings | string>(
         ThemeSettings.System,
     );
 

src/ViewModel/Global/storageViewModel.ts

@@ -23,7 +23,7 @@ export default class StorageViewModel extends Context {
         const path: string[] = StorageModel.stringToPathComponents(
             this.selectedPath.value,
         );
-        const content: string | undefined =
+        const content: string | null =
             this.coreViewModel.storageModel.read(path);
         return (
             (content ?? this.coreViewModel.translations.storage.notAFile) ||

src/ViewModel/Pages/messagePageViewModel.ts

@@ -68,7 +68,7 @@ export default class MessagePageViewModel extends Context {
         );
     };
 
-    setReply = (chatMessageViewModel: ChatMessageViewModel): void => {
+    setReply = (chatMessageViewModel: ChatMessageViewModel|undefined): void => {
         this.replyingMessage.value = chatMessageViewModel;
         this.setFocus();
     };

src/ViewModel/Pages/taskPageViewModel.ts

@@ -167,11 +167,11 @@ export default class TaskPageViewModel extends ContextHost<string> {
 
     // init
     constructor(
-        public readonly coreViewModel: CoreViewModel,
+        readonly coreViewModel: CoreViewModel,
         public readonly chatViewModel: ChatViewModel,
         public readonly boardsAndTasksModel: BoardsAndTasksModel,
     ) {
-        super("task-page");
+        super("task-page", coreViewModel);
 
         this.loadData(); // needed for board options in calendar
 

src/index.tsx

@@ -16,7 +16,6 @@ import { SettingsModal } from "./View/Modals/settingsModal";
 import { DataTransferModalWrapper } from "./View/Modals/dataTransferModal";
 import { ConnectionModal } from "./View/Modals/connectionModal";
 import v1Upgrader from "./Upgrader/v1";
-import * as Utility from "./Model/Utility/utility";
 import StorageModel from "./Model/Global/storageModel";
 import SettingsModel from "./Model/Global/settingsModel";
 import FileTransferModel from "./Model/Global/fileTransferModel";

src/types/styles.d.ts

@@ -0,0 +1,2 @@
+declare module "*.css" {
+}

tsconfig.json

@@ -3,8 +3,10 @@
         "noImplicitAny": false,
         "jsx": "react",
         "jsxFactory": "React.createElement",
-        "moduleResolution": "node",
+        "module": "nodenext",
+        "moduleResolution": "nodenext",
         "esModuleInterop": true,
         "target": "es2020"
-    }
+    },
+    "include":["./**/*"]
 }