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feat: suspense!

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Jonathan Kelley committed 2022-11-07 22:55:22 -08:00
1 parent e6c53803a6
commit 203935834d
13 files changed
+219 -205
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packages/core/src/create.rs
+3 -35
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@@ -188,7 +188,6 @@ impl VirtualDom {
let render_ret = self.run_scope(id);
// shut up about lifetimes please, I know what I'm doing
let render_ret: &mut RenderReturn = unsafe { std::mem::transmute(render_ret) };
match render_ret {
@@ -204,53 +203,22 @@ impl VirtualDom {
RenderReturn::Sync(None) => {
let new_id = self.next_element(template);
placeholder.set(Some(new_id));
self.scopes[id.0].placeholder.set(Some(new_id));
mutations.push(AssignId {
id: new_id,
path: &template.template.node_paths[idx][1..],
});
0
}
RenderReturn::Async(fut) => {
let new_id = self.next_element(template);
let scope = self.scope_stack.last().unwrap();
let scope = &self.scopes[scope.0];
let boundary = scope.consume_context::<SuspenseContext>().unwrap();
// try to poll the future once - many times it will be ready immediately or require little to no work
todo!();
// // move up the tree looking for the first suspense boundary
// // our current component can not be a suspense boundary, so we skip it
// for scope_id in self.scope_stack.iter().rev().skip(1) {
// if let Some(fiber) = &mut scope.suspense_boundary {
// // save the fiber leaf onto the fiber itself
// let detached: &mut FiberLeaf<'static> =
// unsafe { std::mem::transmute(fut) };
// // And save the fiber leaf using the placeholder node
// // this way, when we resume the fiber, we just need to "pick up placeholder"
// fiber.futures.insert(
// LeafLocation {
// element: new_id,
// scope: *scope_id,
// },
// detached,
// );
// self.suspended_scopes.insert(*scope_id);
// break;
// }
placeholder.set(Some(new_id));
self.scopes[id.0].placeholder.set(Some(new_id));
mutations.push(AssignId {
id: new_id,
path: &template.template.node_paths[idx][1..],
});
0
}
}