An HTTPS REST client for NodeJS apps.

REST_Client.js

const https = require('https');

/**
 * 
 * @param {String} host eg. : 'graph.facebook.com'
 * @param {String} endPoint 
 * @param {String} method eg. : 'GET', 'POST' etc
 * @param {Object} requestOptions = {
 *  @param {Object} headers eg. : {'Content-Type' : 'application/json'}
 *  @param {String} body eg. : 'Request body'
 * }
 */
let makeRequest = (host, endPoint, method, requestOptions={}) => {
    return new Promise ( (resolve, reject) =>{
          if(!!requestOptions.body){
              requestOptions.headers = requestOptions.headers || {};
              requestOptions.headers['Content-Length'] =  requestOptions.body.length;
          }
          var options = {
              hostname: host,
              port: 443,
              path: endPoint,
              method: method,
              headers :  requestOptions.headers || {}
          };

          var req = https.request(options, function(response) {
              let body = "";
              response.on('data', (d) => {
                  body += d;
              });
              response.on('end', function() {
                  resolve({
                      statusCode : response.statusCode,
                      body : body
                  })
              });
              response.on('error', function() {
                 reject("Error while making request");
              });
          });

          if(!!requestOptions.body){
              req.write(requestOptions.body);
          }
          req.on('error', (e) => {
              console.error("ERROR WHILE MAKING API call to " + host + " : ", e)
              reject(e);
          });
          req.end();
    })
}

module.exports = {
    makeRequest : makeRequest
}