make eval copy

packages/ssr/src/eval.rs

@@ -1,6 +1,7 @@
 use async_trait::async_trait;
 use dioxus_core::ScopeId;
 use dioxus_html::prelude::{EvalError, EvalProvider, Evaluator};
+use generational_box::{AnyStorage, GenerationalBox, UnsyncStorage};
 use std::rc::Rc;
 
 /// Provides the SSREvalProvider through [`cx.provide_context`].
@@ -12,8 +13,9 @@ pub fn init_eval() {
 /// Reprents the ssr-target's provider of evaluators.
 pub struct SSREvalProvider;
 impl EvalProvider for SSREvalProvider {
-    fn new_evaluator(&self, _: String) -> Result<Box<dyn Evaluator>, EvalError> {
-        Ok(Box::new(SSREvaluator) as Box<dyn Evaluator + 'static>)
+    fn new_evaluator(&self, _: String) -> Result<GenerationalBox<Box<dyn Evaluator>>, EvalError> {
+        let owner = UnsyncStorage::owner();
+        Ok(owner.insert(Box::new(SSREvaluator) as Box<dyn Evaluator + 'static>))
     }
 }
 
@@ -23,20 +25,22 @@ pub struct SSREvaluator;
 // In ssr rendering we never run or resolve evals.
 #[async_trait(?Send)]
 impl Evaluator for SSREvaluator {
-    /// Runs the evaluated JavaScript.
-    async fn join(&self) -> Result<serde_json::Value, EvalError> {
-        std::future::pending::<()>().await;
-        unreachable!()
-    }
-
     /// Sends a message to the evaluated JavaScript.
     fn send(&self, _el: serde_json::Value) -> Result<(), EvalError> {
         Ok(())
     }
 
-    /// Gets an UnboundedReceiver to receive messages from the evaluated JavaScript.
-    async fn recv(&mut self) -> Result<serde_json::Value, EvalError> {
-        std::future::pending::<()>().await;
-        unreachable!()
+    fn poll_recv(
+        &mut self,
+        _cx: &mut std::task::Context<'_>,
+    ) -> std::task::Poll<Result<serde_json::Value, EvalError>> {
+        std::task::Poll::Pending
+    }
+
+    fn poll_join(
+        &mut self,
+        _cx: &mut std::task::Context<'_>,
+    ) -> std::task::Poll<Result<serde_json::Value, EvalError>> {
+        std::task::Poll::Pending
     }
 }