no-cache-interceptor.ts

import { Injectable } from '@angular/core';
import {
  HttpHandler,
  HttpProgressEvent,
  HttpInterceptor,
  HttpSentEvent,
  HttpHeaderResponse,
  HttpUserEvent,
  HttpRequest,
  HttpResponse
} from '@angular/common/http';
import { Observable } from 'rxjs';

@Injectable()
export class NoCacheHttpInterceptor implements HttpInterceptor {
    intercept(req: HttpRequest<any>, next: HttpHandler):
      Observable<HttpSentEvent | HttpHeaderResponse | HttpProgressEvent | HttpResponse<any> | HttpUserEvent<any>> {
      const nextReq = req.clone({
        setHeaders: {
          'Cache-Control': 'no-cache',
          'Pragma': 'no-cache',
          'Expires': 'Sat, 01 Jan 2000 00:00:00 GMT',
          'If-Modified-Since': '0'
        }
      });

      return next.handle(nextReq);
  }
}