Ruivilela

export class AppComponent{
  pokemon

  constructor(private pokedexService: PokedexService) {}

  ngOnInit(){}
}

Ruivilela

getPokemon(index:number){
   return this.http.get(`${this.baseUrl}${index}`)
              .subscribe(
                res => {return res.json().results}
              );
  }

Ruivilela

@Injectable()
export class PokedexService {
  private baseUrl: string ='https://pokeapi.co/api/v2/';
  
  constructor(private http: Http) { }
  
  getPokemon(index:number) {
    return this.http.get(`${this.baseUrl}pokemon/${index}`)
  }
}

Ruivilela

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