@smartsoft001/fb/src/lib/fb.service.ts

Utils for fb authorisation

import { Injectable } from '@nestjs/common';
import { HttpService } from '@nestjs/axios';

@Injectable()
export class FbService {
  constructor(private http: HttpService) {}

  async getUserId(token: string): Promise<string> {
    const { data } = await this.http
      .get('https://graph.facebook.com/me?access_token=' + token)
      .toPromise();

    return data.id;
  }

  async getData(token: string): Promise<{ id; email }> {
    const { data } = await this.http
      .get(
        'https://graph.facebook.com/me?fields=email,id&access_token=' + token,
      )
      .toPromise();

    return data;
  }
}