update javascript file

Author: REDMOND\lahuey

lib/graph-js-sdk-web.js

@@ -6,7 +6,7 @@ window.MicrosoftGraph = require('./lib/src/index.js');
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 var es6_promise_1 = require("es6-promise");
-require("whatwg-fetch");
+require("isomorphic-fetch");
 var common_1 = require("./common");
 var ResponseHandler_1 = require("./ResponseHandler");
 var RequestMethod_1 = require("./RequestMethod");
@@ -244,10 +244,9 @@ var GraphRequest = (function () {
         });
     };
     GraphRequest.prototype.configureRequest = function (request, accessToken) {
+        var _this = this;
         request.headers.append('Authorization', 'Bearer ' + accessToken);
-        for (var key in this._headers) {
-            request.headers.append(key, this._headers[key]);
-        }
+        Object.keys(this._headers).forEach(function (key) { return request.headers.append(key, _this._headers[key]); });
         request.headers.append('SdkVersion', "graph-js-" + packageInfo.version);
         return request;
     };
@@ -313,7 +312,7 @@ var GraphRequest = (function () {
 }());
 exports.GraphRequest = GraphRequest;
 
-},{"../../package.json":10,"./RequestMethod":3,"./ResponseHandler":4,"./common":5,"es6-promise":7,"whatwg-fetch":9}],3:[function(require,module,exports){
+},{"../../package.json":11,"./RequestMethod":3,"./ResponseHandler":4,"./common":5,"es6-promise":7,"isomorphic-fetch":8}],3:[function(require,module,exports){
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 var RequestMethod;
@@ -1578,7 +1577,15 @@ return Promise$2;
 
 
 }).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"_process":8}],8:[function(require,module,exports){
+},{"_process":9}],8:[function(require,module,exports){
+// the whatwg-fetch polyfill installs the fetch() function
+// on the global object (window or self)
+//
+// Return that as the export for use in Webpack, Browserify etc.
+require('whatwg-fetch');
+module.exports = self.fetch.bind(self);
+
+},{"whatwg-fetch":10}],9:[function(require,module,exports){
 // shim for using process in browser
 var process = module.exports = {};
 
@@ -1764,7 +1771,7 @@ process.chdir = function (dir) {
 };
 process.umask = function() { return 0; };
 
-},{}],9:[function(require,module,exports){
+},{}],10:[function(require,module,exports){
 (function(self) {
   'use strict';
 
@@ -2227,7 +2234,7 @@ process.umask = function() { return 0; };
   self.fetch.polyfill = true
 })(typeof self !== 'undefined' ? self : this);
 
-},{}],10:[function(require,module,exports){
+},{}],11:[function(require,module,exports){
 module.exports={
   "name": "@microsoft/microsoft-graph-client",
   "version": "1.0.0",
@@ -2243,16 +2250,16 @@ module.exports={
     "@types/node": "^9.4.0",
     "browserify": "^13.1.0",
     "mocha": "^3.2.0",
-    "typescript": "^2.2.1",
-    "whatwg-fetch": "^2.0.3"
+    "typescript": "^2.2.1"
   },
   "scripts": {
     "build": "tsc && node node-browserify.js > lib/graph-js-sdk-web.js",
     "test": "mocha lib/spec/core",
     "test:types": "tsc --p spec/types && mocha spec/types"
   },
   "dependencies": {
-    "es6-promise": "^4.1.0"
+    "es6-promise": "^4.1.0",
+    "isomorphic-fetch": "^2.2.1"
   },
   "repository": {
     "type": "git",