Bubble errors from the server to the client on suspense boundaries (#2772)

* Bubble errors from the server to the client on suspense boundaries

* make resolving suspense boundaries O(n)

packages/web/src/lib.rs

@@ -24,7 +24,7 @@ use std::{panic, rc::Rc};
 
 pub use crate::cfg::Config;
 use crate::hydration::SuspenseMessage;
-use dioxus_core::VirtualDom;
+use dioxus_core::{ScopeId, VirtualDom};
 use futures_util::{pin_mut, select, FutureExt, StreamExt};
 
 mod cfg;
@@ -98,6 +98,10 @@ pub async fn run(virtual_dom: VirtualDom, web_config: Config) -> ! {
             }
             let hydration_data = get_initial_hydration_data().to_vec();
             let server_data = HTMLDataCursor::from_serialized(&hydration_data);
+            // If the server serialized an error into the root suspense boundary, throw it into the root scope
+            if let Some(error) = server_data.error() {
+                dom.in_runtime(|| ScopeId::APP.throw_error(error));
+            }
             with_server_data(server_data, || {
                 dom.rebuild(&mut websys_dom);
             });