From 91ca09d6fec37e1c0a81369e8cf9e54cb028ba90 Mon Sep 17 00:00:00 2001
From: Justin Beckwith <beckwith@google.com>
Date: Mon, 12 Nov 2018 22:40:43 -0800
Subject: [PATCH] refactor: drop usage of _.union

---
 packages/grpc-native-core/src/client_interceptors.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/grpc-native-core/src/client_interceptors.js b/packages/grpc-native-core/src/client_interceptors.js
index 5ef89a5d..c132e15b 100644
--- a/packages/grpc-native-core/src/client_interceptors.js
+++ b/packages/grpc-native-core/src/client_interceptors.js
@@ -751,7 +751,7 @@ function _startBatchIfReady(call, batch, batch_state, callback) {
     // Dependencies are met, start the batch and any deferred batches whose
     // dependencies are met as a result.
     call.startBatch(batch, callback);
-    completed_ops = _.union(completed_ops, batch_ops);
+    completed_ops = Array.from(new Set(completed_ops.concat(batch_ops)));
     deferred_batches = _.flatMap(deferred_batches, function(deferred_batch) {
       var deferred_batch_ops = _.keys(deferred_batch).map(Number);
       if (_areBatchRequirementsMet(deferred_batch_ops, completed_ops)) {