From 0fc2432cddf69ff2d9a7cd9779bfb260fd1eb9fb Mon Sep 17 00:00:00 2001
From: Timothy Farrell <tim@thecookiejar.me>
Date: Mon, 17 Apr 2017 15:13:09 -0500
Subject: [PATCH] Allow deepAssign to delete props.

---
 packages/gallery/src/utils/conversion.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/gallery/src/utils/conversion.js b/packages/gallery/src/utils/conversion.js
index 03ccdbd..87e8f9f 100644
--- a/packages/gallery/src/utils/conversion.js
+++ b/packages/gallery/src/utils/conversion.js
@@ -26,6 +26,8 @@ export function deepAssign(to, ...rest) {
 			const value = src[prop];
 			if (typeof value === 'object' && !Array.isArray(value)) {
 				to[prop] = deepAssign(to[prop] || {}, value);
+			} else if (value === undefined && to[prop] !== undefined) {
+				delete to[prop];
 			} else {
 				to[prop] = value;
 			}