Angular cancel http request

// http-cancel.service.ts
// use this service as DI in component
import {Subject} from 'rxjs';
import {Injectable} from '@angular/core';

@Injectable()
export class HttpCancelService{
  private cancelPendingRequestSubject=new Subject<void>()
  cancelPendingRequest$ = this.cancelPendingRequestSubject.asObservable();

  cancelPendingRequest(){
    this.cancelPendingRequestSubject.next();
  }
}

==============================================================
//http-cancel-interceptor.service.ts
import {HttpEvent, HttpHandler, HttpInterceptor, HttpRequest} from '@angular/common/http';
import {Observable, takeUntil} from 'rxjs';
import {Injectable} from '@angular/core';
import {HttpCancelService} from './http-cancel.service';
import {tap} from 'rxjs/operators';

@Injectable()
export class CancelInterceptor implements HttpInterceptor{
  constructor(private cancelService: HttpCancelService) {
  }

  intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
    return next.handle(req).pipe(takeUntil(this.cancelService.cancelPendingRequest$
      .pipe(tap(()=> {throw new Error('Request is canceled')}))));
  }
}
==============================================================
 // app.module.ts
  import {HTTP_INTERCEPTORS} from '@angular/common/http';
  ...
  providers: [
    ...
    {provide: HTTP_INTERCEPTORS, useClass: CancelInterceptor, multi: true}
    ...
  ],

Similar codes

0 vote310 views1 answer
Add key value pair to all objects in array
TypeScript
-1 vote337 views1 answer
Flutter border between expansiontile
TypeScript
0 vote335 views1 answer
Minimum requirements to start it company
TypeScript
5 votes332 views4 answers
How to take float input upto 2 decimal points in python
TypeScript
1 vote316 views1 answer
Require statement not part of import statement.eslint@typescript-eslint/no-var-requires
TypeScript
9 votes387 views3 answers
Typescript object to array
TypeScript
0 vote300 views1 answer
'mat-icon' is not a known element:
TypeScript
0 vote364 views1 answer
Check only digits in dart
TypeScript
6 votes328 views3 answers
Any typescript
TypeScript
3 votes338 views1 answer
Squash commits in remote branch
TypeScript