From b3d01f0590480fe06f0d6f9f4ef9f62923de2f46 Mon Sep 17 00:00:00 2001
From: Cian Montgomery <cian@cianmontgomery.com>
Date: Mon, 11 Nov 2019 16:45:30 -0800
Subject: [PATCH] Add support for mapped data types

---
 lib/typeUtil.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/typeUtil.js b/lib/typeUtil.js
index 8c8ffd8..bcd025f 100644
--- a/lib/typeUtil.js
+++ b/lib/typeUtil.js
@@ -114,6 +114,9 @@ function valueToObject(value) {
       } else {
         throw new Error('Invalid dynamo set value. Type: ' + firstItemType + ', Value: ' + value[0])
       }
+    } else if( (typeof value === "object" || typeof value === 'function')
+      && (value !== null) && Object.keys(value).length !== 0) {
+      return {M: packObjectOrArray(value) }
     } else {
       throw new Error('Invalid dynamo value. Type: ' + type + ', Value: ' + value)
     }