Add extension api for calling azdata commands (#11763)

* Add extension api for calling azdata commands

* Update typings file name

extensions/azdata/src/common/azdataUtils.ts

@@ -0,0 +1,39 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { PostgresServerListResult, SqlInstanceListResult } from '../typings/azdata-ext';
+
+/**
+ * Helper function to parse the raw output from the `azdata postgres server list` command
+ * @param result The raw JSON result array
+ */
+export function parsePostgresServerListResult(result: any[]): PostgresServerListResult[] {
+	return result.map(r => {
+		return {
+			id: r['ID'],
+			clusterIP: r['clusterIP'],
+			externalIP: r['externalIP'],
+			mustRestart: r['mustRestart'],
+			name: r['name'],
+			status: r['status']
+		};
+	});
+}
+
+/**
+ * Helper function to parse the raw output from the `azdata sql instance list` command
+ * @param result The raw JSON result array
+ */
+export function parseSqlInstanceListResult(result: any[]): SqlInstanceListResult[] {
+	return result.map(r => {
+		return {
+			clusterEndpoint: r['Cluster Endpoint'],
+			externalEndpoint: r['External Endpoint'],
+			name: r['Name'],
+			status: r['Status'],
+			vCores: r['VCores']
+		};
+	});
+}