a wrapper around fetch for Asincole

fetch-wrapper.js

const fetch = require('node-fetch');
const http = require('http');
const https = require('https');

const httpAgent = new http.Agent({ keepAlive: true });
const httpsAgent = new https.Agent({ keepAlive: true });
const agent = (parsedUrl) => parsedUrl.protocol == 'http:' ? httpAgent : httpsAgent;

const client = {
  async _createClient(method, url, payload = null, headers = {}) {
    const config = {
      method,
      agent,
      headers: {
        'Content-Type': 'application/json',
        ...headers
      }
    };

    if (payload) {
      config.body = payload;
    }

    const response = await fetch(url, config);

    const data = await response.json();

    if (response.ok) {
      return data;
    }

    return Promise.reject(data);
  },

  async get(url, payload = null, headers = {}) {
    const method = 'GET';
    return client._createClient(method, url, payload, headers);
  },

  async post(url, payload, headers = {}) {
    const method = 'POST';
    return client._createClient(method, url, payload, headers);
  },
};

module.exports = client;