bizfile/src/app/services/register-business-name.service.ts

import { Injectable } from '@angular/core';
import { HttpClient, HttpHeaders } from '@angular/common/http';
import { Observable, throwError } from 'rxjs';
import { catchError, retry } from 'rxjs/operators';

export interface NameCheckResponse {
    status: string;
}

@Injectable({
  providedIn: 'root'
})
export class RegisterBusinessNameService {

    constructor(private http: HttpClient) {

    }

    checkName(name: string) {
        const nameRequest = {
            name,
        };

        return this.http.post<NameCheckResponse>('http://localhost:10000/name-check/', nameRequest).toPromise();
    }
}