Example of Aurelia Service connecting Web API

IgNobel-Service.ts

import { IgNobel } from './../models/IgNobel';
import { inject, NewInstance } from 'aurelia-framework';
import {HttpClient} from 'aurelia-http-client';

@inject(NewInstance.of(IgNobel))
export class IgNobelService {
    private http: HttpClient = null;
    public data : IgNobel[];

    constructor() {

    }

    async getIgNobels(objectApp,callback) {
        const response: Response = await fetch('http://localhost:5000/api/values/getIgNobels');
        const json = await response.json();
  
        objectApp.dataList = json;
  
        callback(objectApp);
     }
}