Adding ESLint

lib/core/dispatchRequest.js

@@ -1,5 +1,3 @@
-'use strict';
-
 /**
  * Dispatch a request to the server using whichever adapter
  * is supported by the current environment.
@@ -8,6 +6,8 @@
  * @returns {Promise} The Promise to be fulfilled
  */
 module.exports = function dispatchRequest(config) {
+  'use strict';
+
   return new Promise(function (resolve, reject) {
     try {
       // For browsers use XHR adapter