allow passing root prop data from the server to the client

packages/server/examples/axum-hello-world/src/main.rs

@@ -8,10 +8,15 @@
 #![allow(non_snake_case)]
 use dioxus::prelude::*;
 use dioxus_server::prelude::*;
+use serde::{Deserialize, Serialize};
 
 fn main() {
     #[cfg(feature = "web")]
-    dioxus_web::launch_cfg(app, dioxus_web::Config::new().hydrate(true));
+    dioxus_web::launch_with_props(
+        app,
+        get_props_from_document().unwrap_or_default(),
+        dioxus_web::Config::new().hydrate(true),
+    );
     #[cfg(feature = "ssr")]
     {
         PostServerData::register().unwrap();
@@ -23,7 +28,10 @@ fn main() {
                 axum::Server::bind(&addr)
                     .serve(
                         axum::Router::new()
-                            .serve_dioxus_application("", ServeConfigBuilder::new(app, ()))
+                            .serve_dioxus_application(
+                                "",
+                                ServeConfigBuilder::new(app, AppProps { count: 12345 }).build(),
+                            )
                             .into_make_service(),
                     )
                     .await
@@ -32,8 +40,13 @@ fn main() {
     }
 }
 
-fn app(cx: Scope) -> Element {
-    let mut count = use_state(cx, || 0);
+#[derive(Props, PartialEq, Debug, Default, Serialize, Deserialize, Clone)]
+struct AppProps {
+    count: i32,
+}
+
+fn app(cx: Scope<AppProps>) -> Element {
+    let mut count = use_state(cx, || cx.props.count);
     let text = use_state(cx, || "...".to_string());
 
     cx.render(rsx! {