Fully working with the rule no explicit any

bookie/src/app/core/bill-view-item.ts

@@ -3,9 +3,8 @@ import { Product } from './product';
 import { Tax } from './tax';
 
 export class BillViewItem {
-  id: string;
+  id: string | undefined;
   isKot: boolean;
-  oldKot: boolean;
   info: string;
 
   kotId: string;
@@ -20,10 +19,16 @@ export class BillViewItem {
   tax: Tax;
   modifiers: Modifier[];
 
+  public get isOldKot(): boolean {
+    return this.isKot && this.id !== undefined;
+  }
+
+  public get isNewKot(): boolean {
+    return this.isKot && this.id === undefined;
+  }
+
   public constructor(init?: Partial<BillViewItem>) {
-    this.id = '';
     this.isKot = true;
-    this.oldKot = false;
     this.info = '';
     this.kotId = '';
     this.product = new Product();

bookie/src/app/core/error-logger.service.ts

@@ -19,7 +19,7 @@ export class ErrorLoggerService {
    */
   // eslint-disable-next-line @typescript-eslint/no-unused-vars, class-methods-use-this
   public handleError<T>(serviceName = 'error-logger', operation = 'operation', result?: T) {
-    return (error: any): Observable<T> => {
+    return (error: unknown): Observable<T> => {
       ErrorLoggerService.log(serviceName, `${operation} failed: ${error}`);
       return throwError(error);
     };

bookie/src/app/core/http-auth-interceptor.ts

@@ -19,7 +19,7 @@ export class ErrorInterceptor implements HttpInterceptor {
     private toaster: ToasterService,
   ) {}
 
-  intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
+  intercept(request: HttpRequest<unknown>, next: HttpHandler): Observable<HttpEvent<unknown>> {
     return next.handle(request).pipe(
       catchError((err) => {
         // We don't want to refresh token for some requests like login or refresh token itself

bookie/src/app/core/jwt.interceptor.ts

@@ -10,7 +10,7 @@ export class JwtInterceptor implements HttpInterceptor {
 
   constructor(private authService: AuthService) {}
 
-  intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
+  intercept(request: HttpRequest<unknown>, next: HttpHandler): Observable<HttpEvent<unknown>> {
     // add authorization header with jwt token if available
 
     // We use this line to debug token refreshing