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Merge branch 'upstream' into fix-non-str-attributes

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This commit is contained in:
Evan Almloff committed 2022-12-23 15:53:39 -06:00
2 parents 9241be6e06 4554c06d64
commit afd024bcb6
106 files changed
+1415 -2115
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packages/core/src/diff.rs
+114 -66
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@@ -33,26 +33,26 @@ impl<'b> VirtualDom {
use RenderReturn::{Async, Sync};
match (old, new) {
(Sync(Ok(l)), Sync(Ok(r))) => self.diff_node(l, r),
(Sync(Some(l)), Sync(Some(r))) => self.diff_node(l, r),
// Err cases
(Sync(Ok(l)), Sync(Err(e))) => self.diff_ok_to_err(l, e),
(Sync(Err(e)), Sync(Ok(r))) => self.diff_err_to_ok(e, r),
(Sync(Err(_eo)), Sync(Err(_en))) => { /* nothing */ }
(Sync(Some(l)), Sync(None)) => self.diff_ok_to_err(l),
(Sync(None), Sync(Some(r))) => self.diff_err_to_ok(r),
(Sync(None), Sync(None)) => { /* nothing */ }
// Async
(Sync(Ok(_l)), Async(_)) => todo!(),
(Sync(Err(_e)), Async(_)) => todo!(),
(Async(_), Sync(Ok(_r))) => todo!(),
(Async(_), Sync(Err(_e))) => { /* nothing */ }
(Sync(Some(_l)), Async(_)) => todo!(),
(Sync(None), Async(_)) => todo!(),
(Async(_), Sync(Some(_r))) => todo!(),
(Async(_), Sync(None)) => { /* nothing */ }
(Async(_), Async(_)) => { /* nothing */ }
};
}
self.scope_stack.pop();
}
fn diff_ok_to_err(&mut self, _l: &'b VNode<'b>, _e: &anyhow::Error) {}
fn diff_err_to_ok(&mut self, _e: &anyhow::Error, _l: &'b VNode<'b>) {}
fn diff_ok_to_err(&mut self, _l: &'b VNode<'b>) {}
fn diff_err_to_ok(&mut self, _l: &'b VNode<'b>) {}
fn diff_node(&mut self, left_template: &'b VNode<'b>, right_template: &'b VNode<'b>) {
// If the templates are the same, we don't need to do anything, nor do we want to
@@ -149,22 +149,7 @@ impl<'b> VirtualDom {
// Replace components that have different render fns
if left.render_fn != right.render_fn {
let created = self.create_component_node(right_template, right, idx);
let head = unsafe {
self.scopes[left.scope.get().unwrap().0]
.root_node()
.extend_lifetime_ref()
};
let last = match head {
RenderReturn::Sync(Ok(node)) => self.find_last_element(node),
_ => todo!(),
};
self.mutations.push(Mutation::InsertAfter {
id: last,
m: created,
});
self.remove_component_node(left, true);
return;
return self.replace_vcomponent(right_template, right, idx, left);
}
// Make sure the new vcomponent has the right scopeid associated to it
@@ -197,6 +182,26 @@ impl<'b> VirtualDom {
});
}
fn replace_vcomponent(
&mut self,
right_template: &'b VNode<'b>,
right: &'b VComponent<'b>,
idx: usize,
left: &'b VComponent<'b>,
) {
let m = self.create_component_node(right_template, right, idx);
self.remove_component_node(left, true);
// We want to optimize the replace case to use one less mutation if possible
// Since mutations are done in reverse, the last node removed will be the first in the stack
// Instead of *just* removing it, we can use the replace mutation
match self.mutations.edits.pop().unwrap() {
Mutation::Remove { id } => self.mutations.push(Mutation::ReplaceWith { id, m }),
at => panic!("Expected remove mutation from remove_node {:#?}", at),
};
}
/// Lightly diff the two templates, checking only their roots.
///
/// The goal here is to preserve any existing component state that might exist. This is to preserve some React-like
@@ -668,7 +673,7 @@ impl<'b> VirtualDom {
Component(comp) => {
let scope = comp.scope.get().unwrap();
match unsafe { self.scopes[scope.0].root_node().extend_lifetime_ref() } {
RenderReturn::Sync(Ok(node)) => self.push_all_real_nodes(node),
RenderReturn::Sync(Some(node)) => self.push_all_real_nodes(node),
_ => todo!(),
}
}
@@ -706,11 +711,21 @@ impl<'b> VirtualDom {
fn replace(&mut self, left: &'b VNode<'b>, right: impl IntoIterator<Item = &'b VNode<'b>>) {
let m = self.create_children(right);
let id = self.find_last_element(left);
self.mutations.push(Mutation::InsertAfter { id, m });
let pre_edits = self.mutations.edits.len();
self.remove_node(left, true);
// We should always have a remove mutation
// Eventually we don't want to generate placeholders, so this might not be true. But it's true today
assert!(self.mutations.edits.len() > pre_edits);
// We want to optimize the replace case to use one less mutation if possible
// Since mutations are done in reverse, the last node removed will be the first in the stack
// Instead of *just* removing it, we can use the replace mutation
match self.mutations.edits.pop().unwrap() {
Mutation::Remove { id } => self.mutations.push(Mutation::ReplaceWith { id, m }),
_ => panic!("Expected remove mutation from remove_node"),
};
}
fn node_to_placeholder(&mut self, l: &'b [VNode<'b>], r: &'b VPlaceholder) {
@@ -719,24 +734,45 @@ impl<'b> VirtualDom {
r.id.set(Some(placeholder));
let id = self.find_last_element(&l[0]);
self.mutations
.push(Mutation::CreatePlaceholder { id: placeholder });
self.mutations.push(Mutation::InsertAfter { id, m: 1 });
self.remove_nodes(l);
// We want to optimize the replace case to use one less mutation if possible
// Since mutations are done in reverse, the last node removed will be the first in the stack
// Instead of *just* removing it, we can use the replace mutation
match self.mutations.edits.pop().unwrap() {
Mutation::Remove { id } => self.mutations.push(Mutation::ReplaceWith { id, m: 1 }),
_ => panic!("Expected remove mutation from remove_node"),
};
}
/// Remove these nodes from the dom
/// Wont generate mutations for the inner nodes
fn remove_nodes(&mut self, nodes: &'b [VNode<'b>]) {
nodes.iter().for_each(|node| self.remove_node(node, true));
nodes
.iter()
.rev()
.for_each(|node| self.remove_node(node, true));
}
fn remove_node(&mut self, node: &'b VNode<'b>, gen_muts: bool) {
// Clean up any attributes that have claimed a static node as dynamic for mount/unmounta
// Will not generate mutations!
self.reclaim_attributes(node);
// Remove the nested dynamic nodes
// We don't generate mutations for these, as they will be removed by the parent (in the next line)
// But we still need to make sure to reclaim them from the arena and drop their hooks, etc
self.remove_nested_dyn_nodes(node);
// Clean up the roots, assuming we need to generate mutations for these
// This is done last in order to preserve Node ID reclaim order (reclaim in reverse order of claim)
self.reclaim_roots(node, gen_muts);
}
fn reclaim_roots(&mut self, node: &VNode, gen_muts: bool) {
for (idx, _) in node.template.roots.iter().enumerate() {
if let Some(dy) = node.dynamic_root(idx) {
self.remove_dynamic_node(dy, gen_muts);
@@ -748,17 +784,9 @@ impl<'b> VirtualDom {
self.reclaim(id);
}
}
}
for (idx, dyn_node) in node.dynamic_nodes.iter().enumerate() {
// Roots are cleaned up automatically above
if node.template.node_paths[idx].len() == 1 {
continue;
}
self.remove_dynamic_node(dyn_node, false);
}
// we clean up nodes with dynamic attributes, provided the node is unique and not a root node
fn reclaim_attributes(&mut self, node: &VNode) {
let mut id = None;
for (idx, attr) in node.dynamic_attrs.iter().enumerate() {
// We'll clean up the root nodes either way, so don't worry
@@ -778,49 +806,69 @@ impl<'b> VirtualDom {
}
}
fn remove_nested_dyn_nodes(&mut self, node: &VNode) {
for (idx, dyn_node) in node.dynamic_nodes.iter().enumerate() {
// Roots are cleaned up automatically above
if node.template.node_paths[idx].len() == 1 {
continue;
}
self.remove_dynamic_node(dyn_node, false);
}
}
fn remove_dynamic_node(&mut self, node: &DynamicNode, gen_muts: bool) {
match node {
Component(comp) => self.remove_component_node(comp, gen_muts),
Text(t) => self.remove_text_node(t),
Placeholder(t) => self.remove_placeholder(t),
Text(t) => self.remove_text_node(t, gen_muts),
Placeholder(t) => self.remove_placeholder(t, gen_muts),
Fragment(nodes) => nodes
.iter()
.for_each(|node| self.remove_node(node, gen_muts)),
};
}
fn remove_placeholder(&mut self, t: &VPlaceholder) {
fn remove_placeholder(&mut self, t: &VPlaceholder, gen_muts: bool) {
if let Some(id) = t.id.take() {
if gen_muts {
self.mutations.push(Mutation::Remove { id });
}
self.reclaim(id)
}
}
fn remove_text_node(&mut self, t: &VText) {
fn remove_text_node(&mut self, t: &VText, gen_muts: bool) {
if let Some(id) = t.id.take() {
if gen_muts {
self.mutations.push(Mutation::Remove { id });
}
self.reclaim(id)
}
}
fn remove_component_node(&mut self, comp: &VComponent, gen_muts: bool) {
if let Some(scope) = comp.scope.take() {
match unsafe { self.scopes[scope.0].root_node().extend_lifetime_ref() } {
RenderReturn::Sync(Ok(t)) => self.remove_node(t, gen_muts),
_ => todo!("cannot handle nonstandard nodes"),
};
let scope = comp.scope.take().unwrap();
let props = self.scopes[scope.0].props.take();
match unsafe { self.scopes[scope.0].root_node().extend_lifetime_ref() } {
RenderReturn::Sync(Some(t)) => {
println!("Removing component node sync {:?}", gen_muts);
self.remove_node(t, gen_muts)
}
_ => todo!("cannot handle nonstandard nodes"),
};
self.dirty_scopes.remove(&DirtyScope {
height: self.scopes[scope.0].height,
id: scope,
});
let props = self.scopes[scope.0].props.take();
*comp.props.borrow_mut() = unsafe { std::mem::transmute(props) };
self.dirty_scopes.remove(&DirtyScope {
height: self.scopes[scope.0].height,
id: scope,
});
// make sure to wipe any of its props and listeners
self.ensure_drop_safety(scope);
self.scopes.remove(scope.0);
}
*comp.props.borrow_mut() = unsafe { std::mem::transmute(props) };
// make sure to wipe any of its props and listeners
self.ensure_drop_safety(scope);
self.scopes.remove(scope.0);
}
fn find_first_element(&self, node: &'b VNode<'b>) -> ElementId {
@@ -832,7 +880,7 @@ impl<'b> VirtualDom {
Some(Component(comp)) => {
let scope = comp.scope.get().unwrap();
match unsafe { self.scopes[scope.0].root_node().extend_lifetime_ref() } {
RenderReturn::Sync(Ok(t)) => self.find_first_element(t),
RenderReturn::Sync(Some(t)) => self.find_first_element(t),
_ => todo!("cannot handle nonstandard nodes"),
}
}
@@ -848,7 +896,7 @@ impl<'b> VirtualDom {
Some(Component(comp)) => {
let scope = comp.scope.get().unwrap();
match unsafe { self.scopes[scope.0].root_node().extend_lifetime_ref() } {
RenderReturn::Sync(Ok(t)) => self.find_last_element(t),
RenderReturn::Sync(Some(t)) => self.find_last_element(t),
_ => todo!("cannot handle nonstandard nodes"),
}
}