// user.service.ts

import { Injectable } from '@angular/core';

import { HttpClient } from '@angular/common/http';

import { Observable } from 'rxjs';

​

@Injectable({

  providedIn: 'root',

})

export class UserService {

  private apiUrl = 'https://jsonplaceholder.typicode.com/users';

​

  constructor(private http: HttpClient) {}

​

  getUsers(): Observable<any> {

    return this.http.get(this.apiUrl);

  }

}

​

import { HttpClient } from '@angular/common/http';

import { Injectable } from '@angular/core';

import { GET_ALL_PROJECT_ROUTE } from 'src/constants';

​

@Injectable({

  providedIn: 'root',

})

export class ApiService {

  constructor(private http: HttpClient) {}

​

  getProjects() {

    return this.http.get(GET_ALL_PROJECT_ROUTE);

  }

}

just type this , 

            ->headerActions([

                ExportAction::make()->exporter(ProductExporter::class)->disabled(Product::count() === 0)

            ])

​