readme.md & version update

Author: david-schrenker

README.md

@@ -174,6 +174,9 @@ This example demonstrates how to add custom headers to your email message.
 ### [Basic send with a web proxy](https://github.com/socketlabs/socketlabs-nodejs/blob/master/examples/basic/basicSendWithProxy.js)
 This example demonstrates how to use a proxy with your HTTP client.
 
+### [Basic send with retry enabled](https://github.com/socketlabs/socketlabs-nodejs/blob/master/examples/basic/basicSendWithRetry.js)
+This example demonstrates how to use the retry logic with your HTTP client.
+
 ### [Basic send complex example](https://github.com/socketlabs/socketlabs-nodejs/blob/master/examples/basic/basicSendComplexExample.js)
 This example demonstrates many features of the Basic Send, including adding multiple recipients, adding message and mailing id's, and adding an embedded image.
 
@@ -211,6 +214,7 @@ For more information about AMP please see [AMP Project](https://amp.dev/document
 
 <a name="version"></a>
 # Version
+* 1.2.1 - Adding optional retry logic for Http requests. If configured, the request will retry when certain 500 errors occur (500, 502, 503, 504)
 * 1.1.1 - Adding request timeout value on the client for Http requests
 * 1.1.0 - Adds Amp Html Support
 * 1.0.0 - Initial Release

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@socketlabs/email",
-  "version": "1.1.1",
+  "version": "1.2.1",
   "description": "SocketLabs Email Delivery node.js client library",
   "main": "./src/socketlabsClient.js",
   "repository": {
@@ -31,4 +31,4 @@
     "axios": "^0.21.1",
     "promise-retry": "^2.0.1"
   }
-}
+}

src/socketlabsClient.js

@@ -176,14 +176,12 @@ class SocketLabsClient {
                                 } else {
                                     reject(response)
                                 }
-
                             }, (error) => {
                                 let statusCode = (error.code) ? error.code : (error.status) ? error.status : error.response.status;
                                 let result = new sendResponse({ result: sendResultEnum[statusCode] });
                                 if (statusCode == "ECONNABORTED") {
                                     result = new sendResponse({ result: sendResultEnum.Timeout });
                                 }
-
                                 if (typeof error === 'string') result.responseMessage = error;
                                 reject(result);
                             })