Adding odata-v4 in the allowed list of protocols supported (#61)

* Update index.js

* Update CHANGELOG.md

Author: RoshniNaveenaS

CHANGELOG.md

@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/).
 
 ## Version 1.1.2 - tbd
 
+### Added
+
+- Now supports `odata-v4` protocol in the `@protocol` allowed values in CDS along with `odata` and `rest`.
+
 ### Fixed
 
 - Fixed the filename issue: when there is only one service in the CDL source, the OpenAPI document is now generated with the filename corresponding to the service name rather than the CDL source filename.

lib/compile/index.js

@@ -149,7 +149,7 @@ function _getProtocols(csdl, csn, odataVersion) {
       );
     } else if (
       service["@protocol"] === "rest" ||
-      service["@protocol"] === "odata"
+      service["@protocol"] === "odata" || service["@protocol"] === "odata-v4"
     ) {
       protocols.push(service["@protocol"]);
     } else if (Array.isArray(service["@protocol"])) {