From eab7ca4fd18c5473656d4cf473638ec125612832 Mon Sep 17 00:00:00 2001
From: Kevin Gilpin <kgilpin@gmail.com>
Date: Wed, 27 Apr 2022 11:34:09 -0400
Subject: [PATCH] fix: Don't traverse a null property value

---
 src/database/visit.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/database/visit.ts b/src/database/visit.ts
index 0ce4a1d..13ff1f2 100644
--- a/src/database/visit.ts
+++ b/src/database/visit.ts
@@ -13,7 +13,7 @@ function visitNode(node: any, callbacks?: Record<string, Callback>): void {
     if (['type', 'variant', 'name', 'value'].includes(key)) continue;
     if (Array.isArray(property)) {
       for (const subNode of property) visit(subNode, callbacks);
-    } else if (typeof property === 'object') {
+    } else if (typeof property === 'object' && property !== null) {
       visit(property, callbacks);
     } else if (typeof property === 'string' || typeof property === 'boolean') {
       // pass