Generating multiple output js files one with vendor polyfills and one without

Author: muthurathinam-m

README.md

@@ -18,7 +18,14 @@ The Microsoft Graph JavaScript client library is a lightweight wrapper around th
 
 ### Browser
 
-Include [lib/graph-js-sdk-web.js](https://github.com/microsoftgraph/msgraph-sdk-javascript/raw/master/lib/graph-js-sdk-web.js) in your page.
+The library comes with two varieties of options, you can pick one based on your use case
+
+1. If your application has polyfills for **Fetch-API** and **ES6-Promise**, then can just include [lib/graph-js-sdk-core.js](https://github.com/microsoftgraph/msgraph-sdk-javascript/raw/master/lib/graph-js-sdk-core.js) in your page.
+```html
+<script type="text/javascript" src="graph-js-sdk-core.js"></script>
+```
+
+2. If your application does not have polyfills for **Fetch-API** and **ES6-Promise**, then you have to include [lib/graph-js-sdk-web.js](https://github.com/microsoftgraph/msgraph-sdk-javascript/raw/master/lib/graph-js-sdk-web.js) in your page.
 ```html
 <script type="text/javascript" src="graph-js-sdk-web.js"></script>
 ```

core-browserify.js

@@ -0,0 +1,6 @@
+var browserify = require('browserify');
+var b = browserify();
+b.add('./browser-wrapper.js');
+b.external("es6-promise");
+b.external("isomorphic-fetch");
+b.bundle().pipe(process.stdout);

lib/graph-js-sdk-core.js

@@ -1,7 +1,7 @@
 export declare let oDataQueryNames: string[];
 export declare const DEFAULT_VERSION = "v1.0";
 export declare const GRAPH_BASE_URL = "https://graph.microsoft.com/";
-export declare const PACKAGE_VERSION = "1.0.0";
+export declare const PACKAGE_VERSION = "1.1.0";
 export interface AuthProviderCallback {
     (error: any, accessToken: string): void;
 }

lib/graph-js-sdk-web.js

@@ -18,7 +18,12 @@
     "uglify-js": "^3.4.5"
   },
   "scripts": {
-    "build": "tsc && node node-browserify.js > lib/graph-js-sdk-web.js && uglifyjs ./lib/graph-js-sdk-web.js --output ./lib/graph-js-sdk-web.js",
+    "compile": "tsc",
+    "rollup-core": "node core-browserify.js > lib/graph-js-sdk-core.js && uglifyjs lib/graph-js-sdk-core.js --output lib/graph-js-sdk-core.js",
+    "rollup-with-vendor": "node node-browserify.js > lib/graph-js-sdk-web.js && uglifyjs ./lib/graph-js-sdk-web.js --output ./lib/graph-js-sdk-web.js",
+    "build-core": "npm run compile && npm run rollup-core",
+    "build-with-vendor": "npm run compile && npm run rollup-with-vendor",
+    "build": "npm run compile && npm run rollup-core && npm run rollup-with-vendor",
     "test": "mocha lib/spec/core",
     "test:types": "tsc --p spec/types && mocha spec/types"
   },