added typescript example for deleting an object on oci

Author: omkarvijay5

examples/typescript/delete.ts

@@ -0,0 +1,60 @@
+/**
+ * Copyright (c) 2020, Oracle and/or its affiliates.  All rights reserved.
+ * This software is dual-licensed to you under the Universal Permissive License (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl or Apache License 2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose either license.
+ */
+
+import common = require("oci-common");
+import { ObjectStorageClient, requests } from "oci-objectstorage";
+import { Region } from "oci-common";
+
+const configurationFilePath = '~/.oci/config';
+const configProfile = "DEFAULT";
+
+const provider: common.ConfigFileAuthenticationDetailsProvider = new common.ConfigFileAuthenticationDetailsProvider(
+  configurationFilePath,
+  configProfile
+);
+/*
+ * This Sample take filename as a commandline argument and
+ * deltes the files present in te directory to objectstorage using delete object.
+ *
+ * @param args Arguments to provide to the example. The following arguments are expected:
+ * <ul>
+ * <li>The first argument is the filename to delete the object from the oracle cloud storage.</li>
+ * <li>The second argument is the namespaceName</li>
+ * <li>The third argument is the name of an existing bucket to uplod object</li>
+ * </ul>
+ */
+
+const args = process.argv.slice(2);
+console.log(args);
+if (args.length !== 3) {
+  console.error(
+    "Unexpected number of arguments received. Please pass absloute directory path to read files from"
+  );
+  process.exit(-1);
+}
+
+const fileName: string = args[0]; //  for eg : "download.jpg";
+const namespaceName = args[1];
+const bucketName = args[2];
+
+const client = new ObjectStorageClient({ authenticationDetailsProvider: provider });
+client.region = Region.US_PHOENIX_1;
+
+(async () => {
+  try {
+    // build delete object request
+    const deleteObjectRequest: requests.DeleteObjectRequest = {
+      bucketName: bucketName,
+      namespaceName: namespaceName,
+      objectName: fileName
+    };
+    // delete object
+    const resp = await client.deleteObject(deleteObjectRequest);
+    console.log(resp);
+    console.log(`Deleted ${fileName}.`);
+  } catch (ex) {
+    console.error(`Failed due to ${ex}`);
+  }
+})();