From 4ef8abddf240c0d16ecd12be247ceb5d933f3e4b Mon Sep 17 00:00:00 2001
From: Michael Lumish <mlumish@google.com>
Date: Fri, 8 May 2020 10:47:35 -0700
Subject: [PATCH] grpc-js: Don't split header values by commas

---
 packages/grpc-js/src/metadata.ts | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/packages/grpc-js/src/metadata.ts b/packages/grpc-js/src/metadata.ts
index 2da9d531..4947bf0a 100644
--- a/packages/grpc-js/src/metadata.ts
+++ b/packages/grpc-js/src/metadata.ts
@@ -278,11 +278,7 @@ export class Metadata {
               result.add(key, value);
             });
           } else if (values !== undefined) {
-            if (isCustomMetadata(key)) {
-              values.split(',').forEach((v) => result.add(key, v.trim()));
-            } else {
-              result.add(key, values);
-            }
+            result.add(key, values);
           }
         }
       } catch (error) {