removed some HydrationCtx things and improved tracing for DynChild

leptos_dom/src/components/dyn_child.rs

@@ -151,8 +151,6 @@ where
       move |prev_run: Option<(Option<web_sys::Node>, ScopeDisposer)>| {
         #[cfg(debug_assertions)]
         let _guard = span.enter();
-        #[cfg(debug_assertions)]
-        let _guard = trace_span!("DynChild reactive").entered();
 
         let (new_child, disposer) =
           cx.run_child_scope(|cx| child_fn().into_view(cx));

leptos_dom/src/hydration.rs

@@ -56,18 +56,6 @@ impl HydrationCtx {
     unsafe { ID = id }
   }
 
-  #[cfg(not(all(target_arch = "wasm32", feature = "web")))]
-  pub(crate) fn set_id(cx: Scope) {
-    /* let new_id = if let Some(id) = cx.get_hydration_key() {
-      id + 1
-    } else {
-      0
-    }; */
-    let new_id = 0;
-    println!("setting ID to {new_id}");
-    unsafe { ID = new_id };
-  }
-
   #[cfg(all(target_arch = "wasm32", feature = "web"))]
   pub(crate) fn stop_hydrating() {
     unsafe {

leptos_dom/src/lib.rs

@@ -6,7 +6,7 @@
 //! The DOM implementation for `leptos`.
 
 #[cfg_attr(debug_assertions, macro_use)]
-extern crate tracing;
+pub extern crate tracing;
 
 mod components;
 mod events;
@@ -19,7 +19,6 @@ mod node_ref;
 mod ssr;
 mod transparent;
 
-
 use cfg_if::cfg_if;
 pub use components::*;
 pub use events::typed as ev;
@@ -29,7 +28,7 @@ pub use hydration::HydrationCtx;
 pub use js_sys;
 use leptos_reactive::Scope;
 pub use logging::*;
-pub use macro_helpers::{IntoClass, IntoAttribute, IntoProperty};
+pub use macro_helpers::{IntoAttribute, IntoClass, IntoProperty};
 pub use node_ref::*;
 #[cfg(not(all(target_arch = "wasm32", feature = "web")))]
 use smallvec::SmallVec;
@@ -109,7 +108,7 @@ where
 {
   #[cfg_attr(
     debug_assertions,
-    instrument(level = "trace", name = "Fn() -> N", skip_all)
+    instrument(level = "trace", name = "Fn() -> impl IntoView", skip_all)
   )]
   fn into_view(self, cx: Scope) -> View {
     DynChild::new(self).into_view(cx)
@@ -206,7 +205,7 @@ impl Element {
         attrs,
         children,
         id,
-        prerendered
+        prerendered,
       } = self;
 
       let element = AnyElement { name, is_void, id };
@@ -216,7 +215,7 @@ impl Element {
         element,
         attrs,
         children: children.into_iter().collect(),
-        prerendered
+        prerendered,
       }
     }
   }
@@ -255,14 +254,17 @@ impl Element {
 
   #[cfg(not(all(target_arch = "wasm32", feature = "web")))]
   #[track_caller]
-  fn from_html<El: IntoElement>(el: El, html: impl Into<Cow<'static, str>>) -> Self {
+  fn from_html<El: IntoElement>(
+    el: El,
+    html: impl Into<Cow<'static, str>>,
+  ) -> Self {
     Self {
       name: el.name(),
       is_void: el.is_void(),
       attrs: Default::default(),
       children: Default::default(),
       id: el.hydration_id(),
-      prerendered: Some(html.into())
+      prerendered: Some(html.into()),
     }
   }
 }

leptos_dom/src/ssr.rs

@@ -2,12 +2,11 @@
 
 use crate::{CoreComponent, HydrationCtx, IntoView, View};
 use cfg_if::cfg_if;
-use futures::{Stream, StreamExt, stream::FuturesUnordered};
+use futures::{stream::FuturesUnordered, Stream, StreamExt};
 use itertools::Itertools;
-use std::borrow::Cow;
 use leptos_reactive::*;
+use std::borrow::Cow;
 
-#[cfg(not(all(target_arch = "wasm32", feature = "web")))]
 /// Renders the given function to a static HTML string.
 ///
 /// ```
@@ -23,12 +22,17 @@ pub fn render_to_string<F, N>(f: F) -> String
 where
   F: FnOnce(Scope) -> N + 'static,
   N: IntoView,
-  {
-    let runtime = leptos_reactive::create_runtime();
-    HydrationCtx::reset_id();
-    let html = leptos_reactive::run_scope(runtime, |cx| f(cx).into_view(cx).render_to_string(cx));
-    runtime.dispose();
-    html.into_owned()
+{
+  let runtime = leptos_reactive::create_runtime();
+  HydrationCtx::reset_id();
+
+  let html = leptos_reactive::run_scope(runtime, |cx| {
+    f(cx).into_view(cx).render_to_string(cx)
+  });
+
+  runtime.dispose();
+
+  html.into_owned()
 }
 
 /// Renders a function to a stream of HTML strings.
@@ -43,7 +47,9 @@ where
 ///    it is waiting for a resource to resolve from the server, it doesn't run it initially.
 /// 3) HTML fragments to replace each `<Suspense/>` fallback with its actual data as the resources
 ///    read under that `<Suspense/>` resolve.
-pub fn render_to_stream(view: impl FnOnce(Scope) -> View + 'static) -> impl Stream<Item = String> {
+pub fn render_to_stream(
+  view: impl FnOnce(Scope) -> View + 'static,
+) -> impl Stream<Item = String> {
   render_to_stream_with_prefix(view, |_| "".into())
 }
 
@@ -63,44 +69,47 @@ pub fn render_to_stream(view: impl FnOnce(Scope) -> View + 'static) -> impl Stre
 ///    read under that `<Suspense/>` resolve.
 pub fn render_to_stream_with_prefix(
   view: impl FnOnce(Scope) -> View + 'static,
-  prefix: impl FnOnce(Scope) -> Cow<'static, str> + 'static
+  prefix: impl FnOnce(Scope) -> Cow<'static, str> + 'static,
 ) -> impl Stream<Item = String> {
   HydrationCtx::reset_id();
 
   // create the runtime
   let runtime = create_runtime();
 
-  let ((shell, prefix, pending_resources, pending_fragments, serializers), _, disposer) =
-      run_scope_undisposed(runtime, {
-          move |cx| {
-              // the actual app body/template code
-              // this does NOT contain any of the data being loaded asynchronously in resources
-              let shell = view(cx).render_to_string(cx);
+  let (
+    (shell, prefix, pending_resources, pending_fragments, serializers),
+    _,
+    disposer,
+  ) = run_scope_undisposed(runtime, {
+    move |cx| {
+      // the actual app body/template code
+      // this does NOT contain any of the data being loaded asynchronously in resources
+      let shell = view(cx).render_to_string(cx);
 
-              let resources = cx.all_resources();
-              let pending_resources = serde_json::to_string(&resources).unwrap();
-              let prefix = prefix(cx);
+      let resources = cx.all_resources();
+      let pending_resources = serde_json::to_string(&resources).unwrap();
+      let prefix = prefix(cx);
 
-              (
-                  shell,
-                  prefix,
-                  pending_resources,
-                  cx.pending_fragments(),
-                  cx.serialization_resolvers(),
-              )
-          }
-      });
-
-    let fragments = FuturesUnordered::new();
-    for (fragment_id, fut) in pending_fragments {
-        fragments.push(async move { (fragment_id, fut.await) })
+      (
+        shell,
+        prefix,
+        pending_resources,
+        cx.pending_fragments(),
+        cx.serialization_resolvers(),
+      )
     }
+  });
+
+  let fragments = FuturesUnordered::new();
+  for (fragment_id, fut) in pending_fragments {
+    fragments.push(async move { (fragment_id, fut.await) })
+  }
 
   // resources and fragments
   // stream HTML for each <Suspense/> as it resolves
   let fragments = fragments.map(|(fragment_id, html)| {
-      format!(
-          r#"
+    format!(
+      r#"
               <template id="{fragment_id}f">{html}</template>
               <script>
                   var frag = document.getElementById("{fragment_id}");
@@ -108,27 +117,26 @@ pub fn render_to_stream_with_prefix(
                   if(frag) frag.replaceWith(tpl.content.cloneNode(true));
               </script>
               "#
-      )
+    )
   });
   // stream data for each Resource as it resolves
-  let resources = 
-  serializers.map(|(id, json)| {
-      let id = serde_json::to_string(&id).unwrap();
-      format!(
-          r#"<script>
+  let resources = serializers.map(|(id, json)| {
+    let id = serde_json::to_string(&id).unwrap();
+    format!(
+      r#"<script>
                   if(__LEPTOS_RESOURCE_RESOLVERS.get({id})) {{
                       __LEPTOS_RESOURCE_RESOLVERS.get({id})({json:?})
                   }} else {{
                       __LEPTOS_RESOLVED_RESOURCES.set({id}, {json:?});
                   }}
               </script>"#,
-      )
+    )
   });
 
   // HTML for the view function and script to store resources
   futures::stream::once(async move {
-      format!(
-          r#"
+    format!(
+      r#"
               {prefix}
               {shell}
               <script>
@@ -137,7 +145,7 @@ pub fn render_to_stream_with_prefix(
                   __LEPTOS_RESOURCE_RESOLVERS = new Map();
               </script>
           "#
-      )
+    )
   })
   // TODO these should be combined again in a way that chains them appropriately
   // such that individual resources can resolve before all fragments are done
@@ -145,23 +153,16 @@ pub fn render_to_stream_with_prefix(
   .chain(resources)
   // dispose of Scope and Runtime
   .chain(futures::stream::once(async move {
-      disposer.dispose();
-      runtime.dispose();
-      Default::default()
+    disposer.dispose();
+    runtime.dispose();
+    Default::default()
   }))
 }
 
 impl View {
   /// Consumes the node and renders it into an HTML string.
   pub fn render_to_string(self, cx: Scope) -> Cow<'static, str> {
-    //cx.set_hydration_key(HydrationCtx::current_id());
-    HydrationCtx::set_id(cx);
-
-    let s = self.render_to_string_helper();
-
-    //cx.set_hydration_key(HydrationCtx::current_id());
-
-    s
+    self.render_to_string_helper()
   }
 
   pub(crate) fn render_to_string_helper(self) -> Cow<'static, str> {