Fix runtime error on root route

Cargo.lock

@@ -101,7 +101,7 @@ dependencies = [
 
 [[package]]
 name = "axum-controller"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "axum",
  "axum-controller-macros",
@@ -114,7 +114,7 @@ dependencies = [
 
 [[package]]
 name = "axum-controller-macros"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "axum",
  "prettyplease",

Cargo.toml

@@ -12,4 +12,4 @@ keywords = ["axum", "controller", "macro", "routing"]
 license = "AGPL-3.0-or-later"
 readme = "README.md"
 repository = "https://git.vlt81.de/vault81/axum-controller"
-version = "0.2.0"
+version = "0.2.1"

axum-controller-macros/Cargo.toml

@@ -15,7 +15,7 @@ version.workspace = true
 prettyplease = "0.2"
 proc-macro2 = "1"
 quote = "1"
-syn = { version = "2", features = ["parsing"] }
+syn = { version = "2", features = ["extra-traits", "parsing", "printing"] }
 
 [dev-dependencies]
 axum = { version = "0.8", features = [] }

axum-controller-macros/src/lib.rs

@@ -130,8 +130,9 @@ pub fn controller(attr: TokenStream, item: TokenStream) -> TokenStream {
         .into_iter()
         .map(move |route| {
             quote! {
-                .typed_route(#struct_name :: #route)
-            }
+            .typed_route(#struct_name :: #route)
+
+                  }
         })
         .collect::<Vec<_>>();
 
@@ -139,6 +140,23 @@ pub fn controller(attr: TokenStream, item: TokenStream) -> TokenStream {
         .nest(#route, __nested_router)
     };
 
+    let nested_router_qoute = quote! {
+        axum::Router::new()
+        #nesting_call
+    };
+    let unnested_router_quote = quote! {
+        __nested_router
+    };
+    let maybe_nesting_call = if let syn::Expr::Lit(lit) = route {
+        if lit.eq(&syn::parse_quote!("/")) {
+            unnested_router_quote
+        } else {
+            nested_router_qoute
+        }
+    } else {
+        nested_router_qoute
+    };
+
     let middleware_calls = args
         .middlewares
         .clone()
@@ -158,8 +176,7 @@ pub fn controller(attr: TokenStream, item: TokenStream) -> TokenStream {
                     .with_state(state)
                     ;
 
-                    axum::Router::new()
-                    #nesting_call
+                    #maybe_nesting_call
             }
         }
     };

axum-controller/Cargo.toml

@@ -12,8 +12,8 @@ repository.workspace = true
 version.workspace = true
 
 [dependencies]
-axum-controller-macros = { path = "../axum-controller-macros", version = "0.2.0" }
-axum-typed-routing = { path = "../vendor/axum-typed-routing", version = "0.2.0" }
+axum-controller-macros = { path = "../axum-controller-macros", version = "0.2.1" }
+axum-typed-routing = { path = "../vendor/axum-typed-routing", version = "0.2.0", features = [ "aide"] }
 
 [dev-dependencies]
 axum = "0.8"

flake.nix

@@ -90,17 +90,17 @@
           '';
         };
         packages = {
-          default = pkgs.callPackage ./package.nix { };
+          # default = pkgs.callPackage ./package.nix { };
         };
       }) // {
       hydraJobs =
         let
           system = "x86_64-linux";
-          packages = self.packages."${system}";
+          # packages = self.packages."${system}";
           devShells = self.devShells."${system}";
         in
         {
-          inherit packages devShells;
+          inherit devShells;
         };
     };
 }

vendor/axum-typed-routing-macros/src/lib.rs

@@ -25,9 +25,9 @@ mod parsing;
 /// ```
 /// - `METHOD` is the HTTP method, such as `GET`, `POST`, `PUT`, etc.
 /// - `PATH` is the path of the route, with optional path parameters and query parameters,
-///     e.g. `/item/:id?amount&offset`.
+///   e.g. `/item/:id?amount&offset`.
 /// - `STATE` is the type of axum-state, passed to the handler. This is optional, and if not
-///    specified, the state type is guessed based on the parameters of the handler.
+///   specified, the state type is guessed based on the parameters of the handler.
 ///
 /// # Example
 /// ```
@@ -97,6 +97,7 @@ pub fn route(attr: TokenStream, mut item: TokenStream) -> TokenStream {
 /// - `security` is the OpenApi security requirements.
 /// - `responses` are the OpenApi responses.
 /// - `transform` is a closure that takes an `TransformOperation` and returns an `TransformOperation`.
+///
 /// This may override the other options. (see the crate `aide` for more information).
 ///
 /// # Example

vendor/axum-typed-routing/examples/basic.rs

@@ -1,16 +1,16 @@
 #![allow(unused)]
-use axum::extract::{State, Json};
-use axum_typed_routing::{TypedRouter, route};
+use axum::extract::{Json, State};
+use axum_typed_routing::{route, TypedRouter};
 
 #[route(GET "/item/:id?amount&offset")]
 async fn item_handler(
-   id: u32,
-   amount: Option<u32>,
-   offset: Option<u32>,
-   State(state): State<String>,
-   Json(json): Json<u32>,
+    id: u32,
+    amount: Option<u32>,
+    offset: Option<u32>,
+    State(state): State<String>,
+    Json(json): Json<u32>,
 ) -> String {
-   todo!("handle request")
+    todo!("handle request")
 }
 
 fn main() {

vendor/axum-typed-routing/tests/main.rs

@@ -113,7 +113,6 @@ async fn test_wildcard() {
     assert_eq!(response.json::<String>(), "foo/bar");
 }
 
-
 #[cfg(feature = "aide")]
 mod aide_support {
     use super::*;
@@ -231,4 +230,3 @@ mod aide_support {
             .unwrap()
     }
 }
-