From 9cde4b9b6ed4f6dd62989ec4ee02a68d12b70b79 Mon Sep 17 00:00:00 2001
From: Jacob Gunther <16949253+PassTheMayo@users.noreply.github.com>
Date: Thu, 20 Jun 2019 15:31:24 -0500
Subject: [PATCH] fix(MongoClient): only check own properties for valid options

---
 lib/operations/mongo_client_ops.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/operations/mongo_client_ops.js b/lib/operations/mongo_client_ops.js
index ff38eab623..e097f32754 100644
--- a/lib/operations/mongo_client_ops.js
+++ b/lib/operations/mongo_client_ops.js
@@ -590,7 +590,7 @@ function validOptions(options) {
   const _validOptions = validOptionNames.concat(legacyOptionNames);
 
   for (const name in options) {
-    if (ignoreOptionNames.indexOf(name) !== -1) {
+    if (ignoreOptionNames.indexOf(name) !== -1 || !options.hasOwnProperty(name)) {
       continue;
     }