Remove SpaRouter (#1784)

examples/static-file-server/src/main.rs

@@ -11,7 +11,6 @@ use axum::{
     routing::get,
     Router,
 };
-use axum_extra::routing::SpaRouter;
 use std::net::SocketAddr;
 use tower::ServiceExt;
 use tower_http::{
@@ -31,7 +30,6 @@ async fn main() {
         .init();
 
     tokio::join!(
-        serve(using_spa_router(), 3000),
         serve(using_serve_dir(), 3001),
         serve(using_serve_dir_with_assets_fallback(), 3002),
         serve(using_serve_dir_only_from_root_via_fallback(), 3003),
@@ -41,30 +39,13 @@ async fn main() {
     );
 }
 
-fn using_spa_router() -> Router {
-    // `SpaRouter` is the easiest way to serve assets at a nested route like `/assets`
-    //
-    // Requests starting with `/assets` will be served from files in the current directory.
-    // Requests to unknown routes will get `index.html`.
-    Router::new()
-        .route("/foo", get(|| async { "Hi from /foo" }))
-        .merge(SpaRouter::new("/assets", "assets").index_file("index.html"))
-}
-
 fn using_serve_dir() -> Router {
-    // `SpaRouter` is just a convenient wrapper around `ServeDir`
-    //
-    // You can use `ServeDir` directly to further customize your setup
-    let serve_dir = ServeDir::new("assets");
-
-    Router::new()
-        .route("/foo", get(|| async { "Hi from /foo" }))
-        .nest_service("/assets", serve_dir.clone())
-        .fallback_service(serve_dir)
+    // serve the file in the "assets" directory under `/assets`
+    Router::new().nest_service("/assets", ServeDir::new("assets"))
 }
 
 fn using_serve_dir_with_assets_fallback() -> Router {
-    // for example `ServeDir` allows setting a fallback if an asset is not found
+    // `ServeDir` allows setting a fallback if an asset is not found
     // so with this `GET /assets/doesnt-exist.jpg` will return `index.html`
     // rather than a 404
     let serve_dir = ServeDir::new("assets").not_found_service(ServeFile::new("assets/index.html"));