From a1813ca4b32dfcd8ca3604f7f03b1ba316d740e2 Mon Sep 17 00:00:00 2001
From: Jacob Fletcher <jacobsfletch@gmail.com>
Date: Thu, 15 Dec 2022 10:05:49 -0500
Subject: [PATCH] fix: stringifies date in DateTime field for useAsTitle
 (#1674)

---
 src/admin/components/forms/field-types/DateTime/index.tsx | 4 +++-
 test/fields/collections/Date/index.ts                     | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/admin/components/forms/field-types/DateTime/index.tsx b/src/admin/components/forms/field-types/DateTime/index.tsx
index 3166b1b491..57f5dd23d0 100644
--- a/src/admin/components/forms/field-types/DateTime/index.tsx
+++ b/src/admin/components/forms/field-types/DateTime/index.tsx
@@ -88,7 +88,9 @@ const DateTime: React.FC<Props> = (props) => {
           {...date}
           placeholder={getTranslation(placeholder, i18n)}
           readOnly={readOnly}
-          onChange={readOnly ? undefined : setValue}
+          onChange={(incomingDate) => {
+            if (!readOnly) setValue(incomingDate.toISOString());
+          }}
           value={value as Date}
         />
       </div>
diff --git a/test/fields/collections/Date/index.ts b/test/fields/collections/Date/index.ts
index fc69a6fda4..578a94e54d 100644
--- a/test/fields/collections/Date/index.ts
+++ b/test/fields/collections/Date/index.ts
@@ -5,7 +5,7 @@ export const defaultText = 'default-text';
 const DateFields: CollectionConfig = {
   slug: 'date-fields',
   admin: {
-    useAsTitle: 'date',
+    useAsTitle: 'default',
   },
   fields: [
     {