From ce46db88f30aaaf9e59e8de57ea1ba865017f751 Mon Sep 17 00:00:00 2001
From: "(quasar) nebula" <qznebula@protonmail.com>
Date: Fri, 22 Aug 2025 20:17:06 -0300
Subject: yaml: never call transform() on null

---
 src/data/yaml.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/data/yaml.js b/src/data/yaml.js
index 71887fc1..abe3bde2 100644
--- a/src/data/yaml.js
+++ b/src/data/yaml.js
@@ -266,7 +266,9 @@ function makeProcessDocument(thingConstructor, {
 
       // This variable would like to certify itself as "not into capitalism".
       let propertyValue =
-        (fieldSpecs[field].transform
+        (documentValue === null
+          ? null
+       : fieldSpecs[field].transform
           ? fieldSpecs[field].transform(documentValue, transformUtilities)
           : documentValue);
 
-- 
cgit 1.3.0-6-gf8a5