fix: post schema config

Author: RUNFUNRUN

source.config.ts

@@ -14,7 +14,20 @@ export const blog = defineCollections({
   type: 'doc',
   dir: 'content',
   schema: frontmatterSchema.extend({
-    date: z.string().date().or(z.date()),
+    date: z
+      .string()
+      .or(z.date())
+      .transform((value, context) => {
+        try {
+          return new Date(value);
+        } catch {
+          context.addIssue({
+            code: z.ZodIssueCode.custom,
+            message: 'Invalid date',
+          });
+          return z.NEVER;
+        }
+      }),
     tags: z.array(z.string()).optional(),
   }),
 });