fix: Wrap inner type in brackets

lua_typed_macro/src/lib.rs

@@ -32,9 +32,9 @@ impl ToTokens for StructField {
                 <#ty as Typed>::generate_members().unwrap_or("".to_string())
             });
         } else {
-            let optional = if self.optional { "?" } else { "" };
+            let inner = if self.optional { "({})?" } else { "{}" };
 
-            let format = format!("---@field {} {{}}{}\n", name, optional);
+            let format = format!("---@field {} {inner}\n", name);
 
             tokens.extend(quote! {
                 format!(#format, <#ty as Typed>::type_name())

src/lib.rs

@@ -160,13 +160,13 @@ impl !Typed for () {}
 
 impl<T: Typed> Typed for Option<T> {
     fn type_name() -> String {
-        format!("{}?", <T as Typed>::type_name())
+        format!("({})?", <T as Typed>::type_name())
     }
 }
 
 impl<T: Typed> Typed for Vec<T> {
     fn type_name() -> String {
-        format!("{}[]", <T as Typed>::type_name())
+        format!("({})[]", <T as Typed>::type_name())
     }
 }
 

tests/notification.rs

@@ -16,7 +16,7 @@ fn action_type() {
     ---@class ActionType
     ---@field action
     ---| "broadcast"
-    ---@field extras table<string, string>?
+    ---@field extras (table<string, string>)?
     local ActionType
     "#);
 }
@@ -58,9 +58,9 @@ fn action() {
     ---@class Action
     ---@field action
     ---| "broadcast"
-    ---@field extras table<string, string>?
+    ---@field extras (table<string, string>)?
     ---@field label string
-    ---@field clear boolean?
+    ---@field clear (boolean)?
     local Action
     "#);
 }
@@ -81,10 +81,10 @@ fn notification() {
     insta::assert_snapshot!(<Notification as Typed>::generate_full().unwrap(), @r"
     ---@class Notification
     ---@field title string
-    ---@field message string?
-    ---@field tags string[]?
-    ---@field priority Priority?
-    ---@field actions Action[]?
+    ---@field message (string)?
+    ---@field tags ((string)[])?
+    ---@field priority (Priority)?
+    ---@field actions ((Action)[])?
     local Notification
     ");
 }