feat: add leptos

Signed-off-by: kjuulh <contact@kjuulh.io>

examples/leptos-build/testdata/crates/hackernews_axum/src/main.rs

@@ -0,0 +1,54 @@
+use cfg_if::cfg_if;
+use leptos::{logging::log, *};
+
+// boilerplate to run in different modes
+cfg_if! {
+if #[cfg(feature = "ssr")] {
+    use axum::{
+        Router,
+        routing::get,
+    };
+    use leptos_axum::{generate_route_list, LeptosRoutes};
+    use hackernews_axum::fallback::file_and_error_handler;
+
+    #[tokio::main]
+    async fn main() {
+        use hackernews_axum::*;
+
+        let conf = get_configuration(Some("Cargo.toml")).await.unwrap();
+        let leptos_options = conf.leptos_options;
+        let addr = leptos_options.site_addr;
+        let routes = generate_route_list(App);
+
+        simple_logger::init_with_level(log::Level::Debug).expect("couldn't initialize logging");
+
+        // build our application with a route
+        let app = Router::new()
+        .route("/favicon.ico", get(file_and_error_handler))
+        .leptos_routes(&leptos_options, routes, || view! {  <App/> } )
+        .fallback(file_and_error_handler)
+        .with_state(leptos_options);
+
+        // run our app with hyper
+        // `axum::Server` is a re-export of `hyper::Server`
+        log!("listening on {}", addr);
+        axum::Server::bind(&addr)
+            .serve(app.into_make_service())
+            .await
+            .unwrap();
+    }
+}
+
+    // client-only stuff for Trunk
+    else {
+        use hackernews_axum::*;
+
+        pub fn main() {
+            _ = console_log::init_with_level(log::Level::Debug);
+            console_error_panic_hook::set_once();
+            mount_to_body(|| {
+                view! {  <App/> }
+            });
+        }
+    }
+}