TS Repository

import axios, { AxiosResponse } from 'axios';
import Event from 'Domain/Event/Event';
import EventRepository from 'Domain/Event/EventRepository';

export default class RestEventRepository implements EventRepository {
  constructor(private readonly url: string) {}

  public findEvents(): Promise<Event[]> {
    return axios
      .get(this.url)
      .then((response: AxiosResponse<ResponseEvent[]>): Event[] => {
        return this.createEvents(response.data);
      });
  }

  private createEvents(responseEvents: ResponseEvent[]): Event[] {
    return responseEvents.map(responseEvent => {
      const event = new Event(responseEvent.id);
      event.title = responseEvent.title;
      event.pageUrl = responseEvent.pageUrl;
      return event;
    });
  }
}

interface ResponseEvent {
  id: number;
  title: string;
  pageUrl: string;
}