Allow null response

grpc · Jan 22, 2021 · a048c07 · a048c07
1 parent 042ccd1
commit a048c07
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/javascript/net/grpc/web/grpcwebclientbase.js b/javascript/net/grpc/web/grpcwebclientbase.js
@@ -227,10 +227,12 @@ class GrpcWebClientBase {
    * @param {boolean} useUnaryResponse
    */
   static setCallback_(stream, callback, useUnaryResponse) {
+    var responseReceivedSet = false;
     var responseReceived = null;
     var errorEmitted = false;
 
     stream.on('data', function(response) {
+      responseReceivedSet = true;
       responseReceived = response;
     });
 
@@ -264,7 +266,7 @@ class GrpcWebClientBase {
 
     stream.on('end', function() {
       if (!errorEmitted) {
-        if (responseReceived == null) {
+        if (!responseReceivedSet) {
           callback({
             code: StatusCode.UNKNOWN,
             message: 'Incomplete response',