From 249ca860307083615b3b48d321e7561396d44211 Mon Sep 17 00:00:00 2001
From: Curt Tudor <curt@rentallect.com>
Date: Mon, 1 Apr 2024 08:46:19 -0600
Subject: [PATCH] fix: Properly handle unspecified XHR 'sync' parm (#278)

---
 src/http/ziti-xhr.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/http/ziti-xhr.js b/src/http/ziti-xhr.js
index 89ba302..5fca8a8 100644
--- a/src/http/ziti-xhr.js
+++ b/src/http/ziti-xhr.js
@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { isEqual } from "lodash-es";
+import { isEqual, isUndefined } from "lodash-es";
 import { ZitiProgressEventWrapper } from './ziti-event-wrapper';
 
 function ZitiXMLHttpRequest () {
@@ -147,8 +147,10 @@ function ZitiXMLHttpRequest () {
    */
   this.open = function(method, url, async, user, password) {
 
-    if (!async) {
-      window.zitiBrowzerRuntime.synchronousXHREncounteredEventHandler({});
+    if (!isUndefined(async)) { // default is true
+      if (!async) {
+        window.zitiBrowzerRuntime.synchronousXHREncounteredEventHandler({});
+      }
     }
 
     errorFlag = false;