fix(request): modify UA to have version of the SDK

The current User-Agent header reports the version of the Smartcar API
being hit, which is allow in the URL, it should instead have the
version of the SDK being used

lib/util.js

@@ -1,11 +1,12 @@
 'use strict';
 
-const StatusCodeError = require('request-promise/errors').StatusCodeError;
 const _ = require('lodash');
 const request = require('request-promise');
+const {StatusCodeError} = require('request-promise/errors');
 
 const config = require('./config');
 const errors = require('./errors');
+const {version} = require('../package.json');
 
 const util = {};
 
@@ -52,7 +53,7 @@ util.getUrl = function(id, endpoint) {
 util.request = request.defaults({
   json: true,
   headers: {
-    'User-Agent': `smartcar-node-sdk:${config.version}`,
+    'User-Agent': `smartcar-node-sdk:${version}`,
   },
 });
 

test/lib/vehicle.js

@@ -5,11 +5,11 @@ const nock = require('nock');
 const test = require('ava');
 
 const Vehicle = require('../../lib/vehicle');
-const config = require('../../lib/config');
+const {version} = require('../../package.json');
 
 const VID = 'ada7207c-3c0a-4027-a47f-6215ce6f7b93';
 const TOKEN = '9ad942c6-32b8-4af2-ada6-5e8ecdbad9c2';
-const USER_AGENT = `smartcar-node-sdk:${config.version}`;
+const USER_AGENT = `smartcar-node-sdk:${version}`;
 
 const vehicle = new Vehicle(VID, TOKEN);