fix: Move variable definition to the end

lua_typed_macro/src/lib.rs

@@ -54,7 +54,7 @@ impl ToTokens for Struct {
         tokens.extend(quote! {
             fn generate_header() -> Option<String> {
                 let type_name = <Self as Typed>::type_name();
-                Some(format!("---@class {type_name}\nlocal {type_name}\n"))
+                Some(format!("---@class {type_name}\n"))
             }
 
             fn generate_members() -> Option<String> {
@@ -66,6 +66,11 @@ impl ToTokens for Struct {
 
                 Some(output)
             }
+
+            fn generate_footer() -> Option<String> {
+                let type_name = <Self as Typed>::type_name();
+                Some(format!("local {type_name}\n"))
+            }
         });
     }
 }
@@ -202,7 +207,7 @@ impl ToTokens for ExtTaggedEnum {
         tokens.extend(quote! {
             fn generate_header() -> Option<String> {
                 let type_name = <Self as Typed>::type_name();
-                Some(format!("---@class {type_name}\nlocal {type_name}\n"))
+                Some(format!("---@class {type_name}\n"))
             }
 
             fn generate_members() -> Option<String> {
@@ -219,6 +224,11 @@ impl ToTokens for ExtTaggedEnum {
 
                 Some(output)
             }
+
+            fn generate_footer() -> Option<String> {
+                let type_name = <Self as Typed>::type_name();
+                Some(format!("local {type_name}\n"))
+            }
         });
     }
 }

src/lib.rs

@@ -12,6 +12,10 @@ pub trait Typed {
         None
     }
 
+    fn generate_footer() -> Option<String> {
+        None
+    }
+
     fn generate_full() -> Option<String> {
         let mut output = String::new();
 
@@ -24,6 +28,10 @@ pub trait Typed {
             output += members;
         }
 
+        if let Some(footer) = &Self::generate_footer() {
+            output += footer;
+        }
+
         Some(output)
     }
 }

tests/flatten.rs

@@ -17,9 +17,9 @@ pub struct A {
 fn flatten() {
     insta::assert_snapshot!(<A as Typed>::generate_full().unwrap(), @r"
     ---@class A
-    local A
     ---@field hello string
     ---@field world boolean
     ---@field cool integer
+    local A
     ");
 }

tests/notification.rs

@@ -14,10 +14,10 @@ pub enum ActionType {
 fn action_type() {
     insta::assert_snapshot!(<ActionType as Typed>::generate_full().unwrap(), @r#"
     ---@class ActionType
-    local ActionType
     ---@field action
     ---| "broadcast"
     ---@field extras table<string, string>?
+    local ActionType
     "#);
 }
 
@@ -56,12 +56,12 @@ pub struct Action {
 fn action() {
     insta::assert_snapshot!(<Action as Typed>::generate_full().unwrap(), @r#"
     ---@class Action
-    local Action
     ---@field action
     ---| "broadcast"
     ---@field extras table<string, string>?
     ---@field label string
     ---@field clear boolean?
+    local Action
     "#);
 }
 
@@ -80,11 +80,11 @@ pub struct Notification {
 fn notification() {
     insta::assert_snapshot!(<Notification as Typed>::generate_full().unwrap(), @r"
     ---@class Notification
-    local Notification
     ---@field title string
     ---@field message string?
     ---@field tags string[]?
     ---@field priority Priority?
     ---@field actions Action[]?
+    local Notification
     ");
 }

tests/rename.rs

@@ -21,7 +21,7 @@ fn rename() {
 fn rename_nested() {
     insta::assert_snapshot!(<Other as Typed>::generate_full().unwrap(), @r"
     ---@class Other
-    local Other
     ---@field rust Lua
+    local Other
     ");
 }