Add separate file for ResponseTypes, Update Readme to guide setting different ResponseTypes

Author: muthurathinam-m

README.md

@@ -241,7 +241,19 @@ You can pass in additional request headers, either individually or in a dictiona
 ````
 
 ### .responseType()
-To set a custom response type, use the `.responseType(string)` method.  To see an example, check the [browser sample](samples/browser/index.html) that downloads an image and displays it in an `<img>` element.
+To set a custom response type, use the `.responseType(<ResponseType>)` method. Refer [ResponseType.ts](./src/ResponseType.ts) for available options.
+````js
+client
+    .api(`/me/drive/root/children/${fileName}/content`)
+    .responseType(MicrosoftGraph.ResponseType.BLOB)
+    .get()
+    .then((res) => {
+        console.log("Downloaded..!!");
+    })
+    .catch((err) => {
+        throw err;
+    });
+````
 
 ## Running node samples
 You can run and debug the node samples found under [./samples/node/node-sample.js](./samples/node/node-sample.js) by running the *Run node samples* configuration from the **Debug** (Ctrl + Shift + D) menu in Visual Studio Code. Alternately, you can run the node samples from the CLI by entering `node ./samples/node/node-sample.js` (assuming you are at the root of this repo). You'll need to rename the *secrets.example.json* file to *secrets.json* and add a valid access token to it. You can get an access token by doing the following:
@@ -313,28 +325,6 @@ We'd love to get your feedback about the Microsoft Graph JavaScript client libra
 
 ## Contributing
 Please see the [contributing guidelines](CONTRIBUTING.md).
-## Changelog
-
-#### 1.0.0
-* Added tests for new Graph functionality - Delta query, Extensibility, OneNote, and more.
-
-#### 0.4.0
-* Add support for ES5. Make sure to use `graph-js-sdk-web.js` for web apps
-* Removed iterator helper method.
-
-#### 0.3.1
-* Support for Node.js versions 4 and 5
-
-#### 0.3.0
-* Migrated away from typings in client library core and TypeScript sample
-
-#### 0.2.2
-* Updated SuperAgent to version ``` 3.3.0 ```
-
-#### 0.2.0
-* **Breaking change for existing apps** - Initialize the client library with `MicrosoftGraph.Client.init({...})`. See the updated usage section below for code samples.
-* Added response handling tests to simulate Graph calls
-* Added type declarations file for core client library, which adds intellisense for chained methods.
 
 
 ## Additional resources

lib/graph-js-sdk-web.js

@@ -0,0 +1,8 @@
+export declare enum ResponseType {
+    ARRAYBUFFER = "arraybuffer",
+    BLOB = "blob",
+    DOCUMENT = "document",
+    JSON = "json",
+    STREAM = "stream",
+    TEXT = "text"
+}

lib/src/GraphRequest.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/src/GraphRequest.js.map

@@ -8,3 +8,4 @@ export declare class Client {
 export * from "./GraphRequest";
 export * from "./common";
 export * from "./ResponseHandler";
+export * from "./ResponseType";