From 7e4d793eaa7e5b6b564355a11fa02a5611645f20 Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Fri, 21 Mar 2025 18:58:21 -0400
Subject: trying to improve how data / layout / root and templtae docs are
 accessed.

---
 src/client/util/History.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/client/util/History.ts')

diff --git a/src/client/util/History.ts b/src/client/util/History.ts
index 9728e3177..0df0ec337 100644
--- a/src/client/util/History.ts
+++ b/src/client/util/History.ts
@@ -94,7 +94,7 @@ export namespace HistoryUtil {
             }
             if (Array.isArray(value)) {
             } else if (parser === true || parser === 'json') {
-                value = JSON.parse(value);
+                value = value === 'undefined' ? undefined : JSON.parse(value);
             } else if (parser === 'none') {
             } else {
                 value = parser(value);
-- 
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