From b62fc7f9b743299963fda643cdab4a790f3fa9d7 Mon Sep 17 00:00:00 2001
From: Amado Martinez <amado@projectivemotion.com>
Date: Mon, 18 Nov 2019 20:02:35 -0600
Subject: [PATCH] Enable promise for single-argument invocation

Single argument invocation on udpate() method.
---
 lib/client.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/client.js b/lib/client.js
index 94299d6..cf66aa1 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -251,7 +251,7 @@ Client.prototype.spell = function(query, finalCallback) {
  */
 Client.prototype.update = function(data, options, finalCallback) {
   var bodyData;
-  if (arguments.length < 3 && _.isFunction(options)) {
+  if (arguments.length < 3 && (!options || _.isFunction(options))) {
     finalCallback = options;
     options = { commit: true }; // 'commit:true' option is default
   }