Wait for the suspense boundary above the router to resolve before sending the first streaming chunk (#3891)

* Change the suspense streaming context after suspense is resolved in the router

* Wait for the suspense context before streaming the first chunk in ssr

* forward more response parts

* warn

* extract the hydration format into a crate

* Fix hydration when no data is sent

* forward web and server features

* Fix suspense that starts on the client

* fix use_server_future on the client

* Add documentation for fullstack hooks and protocol

* downgrade rust edition

* fix clippy

* fix tests

* fix clippy

* Fix pure web compile

* undo changes to the fullstack router example

* fix formatting

packages/fullstack/src/document/mod.rs

@@ -2,7 +2,13 @@
 
 #[cfg(feature = "server")]
 pub mod server;
+use dioxus_fullstack_protocol::SerializeContextEntry;
 #[cfg(feature = "server")]
 pub use server::ServerDocument;
 #[cfg(all(feature = "web", feature = "document"))]
 pub mod web;
+
+#[allow(unused)]
+pub(crate) fn head_element_hydration_entry() -> SerializeContextEntry<bool> {
+    dioxus_fullstack_protocol::serialize_context().create_entry()
+}

packages/fullstack/src/document/server.rs

@@ -64,8 +64,8 @@ impl ServerDocument {
         // We only serialize the head elements if the web document feature is enabled
         #[cfg(feature = "document")]
         {
-            let serialize = crate::html_storage::serialize_context();
-            serialize.push(&!self.0.borrow().streaming, std::panic::Location::caller());
+            super::head_element_hydration_entry()
+                .insert(&!self.0.borrow().streaming, std::panic::Location::caller());
         }
     }
 }

packages/fullstack/src/document/web.rs

@@ -4,10 +4,12 @@
 use dioxus_lib::{document::*, prelude::queue_effect};
 use dioxus_web::WebDocument;
 
+use super::head_element_hydration_entry;
+
 fn head_element_written_on_server() -> bool {
-    dioxus_web::take_server_data()
+    head_element_hydration_entry()
+        .get()
         .ok()
-        .flatten()
         .unwrap_or_default()
 }