fix date off by one

app/utils/dates.ts

@@ -0,0 +1,16 @@
+const YMD = /^(\d{4})-(\d{2})-(\d{2})/;
+const HAS_TZ = /(?:Z|[+-]\d{2}:?\d{2})$/i;
+
+export function formatContentDate(value: string, month: 'short' | 'long' = 'short') {
+    const match = YMD.exec(value);
+    if (!match) return '';
+    return new Date(Date.UTC(+match[1], +match[2] - 1, +match[3], 12)).toLocaleDateString(
+        'en-US',
+        { month, day: 'numeric', year: 'numeric', timeZone: 'UTC' },
+    );
+}
+
+export function contentDateAttr(value: string) {
+    if (HAS_TZ.test(value)) return new Date(value).toISOString();
+    return YMD.exec(value)?.[0] ?? '';
+}

app/utils/projects.ts

@@ -5,16 +5,14 @@ export function projectEntryHref(page: {
     return page.href || `/projects${page.path}`;
 }
 
-export function sortProjects<
-    T extends { title: string; date?: Date | string | null },
->(pages: T[]) {
+export function sortProjects<T extends { title: string; date?: string | null }>(
+    pages: T[],
+) {
     return [...pages].sort((a, b) => {
-        const aTime = a.date ? new Date(a.date).getTime() : Number.NaN;
-        const bTime = b.date ? new Date(b.date).getTime() : Number.NaN;
-        const aHasDate = !Number.isNaN(aTime);
-        const bHasDate = !Number.isNaN(bTime);
-        if (aHasDate && bHasDate && aTime !== bTime) return bTime - aTime;
-        if (aHasDate !== bHasDate) return aHasDate ? -1 : 1;
+        if (!a.date && !b.date) return a.title.localeCompare(b.title);
+        if (!a.date) return 1;
+        if (!b.date) return -1;
+        if (a.date !== b.date) return b.date.localeCompare(a.date);
         return a.title.localeCompare(b.title);
     });
 }