fix zip code input field

src/components/PostalCodeInput.tsx

@@ -9,7 +9,6 @@ export const PostalCodeInput = (props: ComponentProps<'input'>) => (
     placeholder="00000-000"
     format={format}
     sanitize={sanitize}
-    pattern="^(?:\d{8})?$"
     {...props}
   />
 )

src/lib/schemas/contact.ts

@@ -28,6 +28,7 @@ export const contactSchema = z.object({
     .string()
     .trim()
     .regex(/^(?:\d{8})?$/, 'CEP inválido')
+    .transform((v) => (v === '' ? undefined : v))
     .optional(),
 })