Upon running the command ng build --prod, an error is encountered.
Error in data.service.ts:
import { BadInput } from './../common/bad-input';
import { AppError } from './../common/app-error';
import { Injectable } from '@angular/core';
import { NotFoundError } from '../common/not-found-error';
import { throwError } from 'rxjs';
import { HttpClient, HttpHeaders } from '@angular/common/http';
import { catchError, map } from 'rxjs/operators';
@Injectable({
providedIn: 'root'
})
export class DataService {
constructor(private url : string ,private http : HttpClient) { }
getAll(){
return this.http.get(this.url).
pipe(map(response => response),
catchError(
this.handleError
)
)}
create(resource){
return this.http.post(this.url,resource).
pipe(
catchError(
this.handleError
)
)}
update(resource){
return this.http.put(this.url,resource).
pipe(
catchError(
this.handleError
)
)}
delete(resource){
return this.http.delete(this.url+'/'+resource.id).
pipe(
catchError(
this.handleError
)
)}
private handleError(error : Response){
if(error.status===404){
return throwError(new NotFoundError(error));
}
if(error.status===400){
return throwError(new BadInput(error))
}
return throwError(new AppError(error))
}}