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subscribe does not exist on type observable<any>

I have upgraded my application from angular 4 to angular 6. I am getting error
subscribe does not exist on type observable . Could somebody tell me if anything has changed in angular 6

import Injectable from '@angular/core';
import Dto, ApiResult from '../api';
import RunsProxy from '../api/proxies';
import Observable, ReplaySubject, Subject from 'rxjs';
import AlertService from './alert.service';
import TranslateService from '@ngx-translate/core';
import ReadonlyProvider from '@wtw/toolkit/src/directives/read-only-inputs.directive';
import Router, NavigationStart, NavigationCancel, NavigationEnd from '@angular/router';
import CurrencyInfo, RunExecution from '../api/dtos';
import tap , map, share, delay from 'rxjs/operators'
import fireAndForget from "platform/tests/helpers";

*public load(id: number): Observable<ApiResult<Dto.RunModel>>
const obs = this._runs.get(id).uiSignal('load run').share();
obs.subscribe(ret =>
if (!!!ret.data && this.blnShown === false)
this.blnShown = true;
this._translate.get('GLOBAL.TOASTS.RUN_UNAVAILABLE').subscribe(o =>
this._alertService.error(o);
);

this._activeRun.next(ret.data);
, err => );
return obs;
*


npm install rxjs@6 rxjs-compat@6 --save

1 Answer
1

Here is an example of my service. You can put same code as per your requirement.

My Service

import Injectable from '@angular/core';
import Http, Response, Headers, RequestOptions from '@angular/http';
import Observable, of from 'rxjs';
import map, catchError from 'rxjs/operators';

@Injectable(
providedIn: 'root'
)

export class PollSerivce

constructor(private _http: Http)

getPollPostData(url: any)
const options = new RequestOptions( withCredentials: true );
return this._http.get(url)
.pipe(
catchError(this.handleError)
);


private handleError(error: Response)
console.error(error);
return Observable.throw(error.json().error



My Component file

getDataSource()
this._pollSubscription = this.pollSerivce.getPollPostData(StaticKeywords.baseUrl).subscribe(response =>
this.pollPostData = response.json().hits;
,
err =>
console.log(err);
);



There are many changes in rxjs 6 so if you want to learn more about it you can check this websites ::

https://auth0.com/blog/whats-new-in-rxjs-6/
https://www.academind.com/learn/javascript/rxjs-6-what-changed/
https://www.learnrxjs.io/concepts/rxjs5-6.html

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