vanilla http nodejs

const http = require('http');

const API = '';

class Lambda {
  constructor() {
    this.get(
      `${API}/categories`,
      (data) => {
        console.log('First category is', data.categories[0]);
      });
  }

  get(url, callback, error) {
    const request = http.get(
      url,
      (response) => {
        response.setEncoding('utf8');

        let body = '';

        response.on('data', (chunk) => {
          body += chunk;
        });

        response.on('end', () => {
          body = JSON.parse(body);
          callback(body);
        });

      }
    );

    request.on('error', error);
  }

  post(url, data, callback, error) {
    const options = {
      hostname: 'www.someapi.com',
      port: 80,
      path: '/seturl',
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'Content-Length': Buffer.byteLength(JSON.stringify(data)),
      }
    };

    const request = http.request(
      options,
      (response) => {
        response.setEncoding('utf8');

        let body = '';

        response.on('data', (chunk) => {
          body += chunk;
        });

        response.on('end', () => {
          body = JSON.parse(body);
          callback(body);
        });
      }
    );

    request.write(data);
    request.end();
  }
}

module.exports = new Lambda();