Add endpoint property in WebPushError #250

Author: Himanshu Kapoor

src/web-push-error.js

@@ -1,13 +1,14 @@
 'use strict';
 
-function WebPushError(message, statusCode, headers, body) {
+function WebPushError(message, statusCode, headers, body, endpoint) {
   Error.captureStackTrace(this, this.constructor);
 
   this.name = this.constructor.name;
   this.message = message;
   this.statusCode = statusCode;
   this.headers = headers;
   this.body = body;
+  this.endpoint = endpoint;
 }
 
 require('util').inherits(WebPushError, Error);

src/web-push-lib.js

@@ -253,7 +253,7 @@ WebPushLib.prototype.sendNotification =
         pushResponse.on('end', function() {
           if (pushResponse.statusCode !== 201) {
             reject(new WebPushError('Received unexpected response code',
-              pushResponse.statusCode, pushResponse.headers, responseText));
+              pushResponse.statusCode, pushResponse.headers, responseText, endpoint));
           } else {
             resolve({
               statusCode: pushResponse.statusCode,