chore: tweak fragments and tests

This commit is contained in:
Jonathan Kelley committed 2022-11-22 19:59:56 -08:00
1 parent 0e5a59f9ed
commit 4bfd936e12
9 files changed
+638 -539

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+93 -94
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@@ -1,5 +1,5 @@
use crate::factory::RenderReturn;
use crate::innerlude::{Mutations, VComponent, VFragment, VText};
use crate::innerlude::{VComponent, VFragment, VText};
use crate::mutations::Mutation;
use crate::mutations::Mutation::*;
use crate::nodes::VNode;
@@ -7,33 +7,24 @@ use crate::nodes::{DynamicNode, TemplateNode};
use crate::virtual_dom::VirtualDom;
use crate::{AttributeValue, ScopeId, SuspenseContext, TemplateAttribute};
impl VirtualDom {
impl<'b: 'static> VirtualDom {
/// Create a new template [`VNode`] and write it to the [`Mutations`] buffer.
///
/// This method pushes the ScopeID to the internal scopestack and returns the number of nodes created.
pub(crate) fn create_scope<'a>(
&mut self,
scope: ScopeId,
mutations: &mut Mutations<'a>,
template: &'a VNode<'a>,
) -> usize {
pub(crate) fn create_scope(&mut self, scope: ScopeId, template: &'b VNode<'b>) -> usize {
self.scope_stack.push(scope);
let out = self.create(mutations, template);
let out = self.create(template);
self.scope_stack.pop();
out
}
/// Create this template and write its mutations
pub(crate) fn create<'a>(
&mut self,
mutations: &mut Mutations<'a>,
template: &'a VNode<'a>,
) -> usize {
pub(crate) fn create(&mut self, template: &'b VNode<'b>) -> usize {
// The best renderers will have templates prehydrated and registered
// Just in case, let's create the template using instructions anyways
if !self.templates.contains_key(&template.template.id) {
self.register_template(template, mutations);
self.register_template(template);
}
// Walk the roots, creating nodes and assigning IDs
@@ -47,7 +38,7 @@ impl VirtualDom {
for (root_idx, root) in template.template.roots.iter().enumerate() {
on_stack += match root {
TemplateNode::Element { .. } | TemplateNode::Text(_) => {
mutations.push(LoadTemplate {
self.mutations.push(LoadTemplate {
name: template.template.id,
index: root_idx,
});
@@ -56,17 +47,27 @@ impl VirtualDom {
TemplateNode::DynamicText(id) | TemplateNode::Dynamic(id) => {
match &template.dynamic_nodes[*id] {
DynamicNode::Fragment { .. } | DynamicNode::Component { .. } => self
.create_dynamic_node(
mutations,
DynamicNode::Fragment(frag) => match frag {
VFragment::Empty(slot) => {
let id =
self.next_element(template, template.template.node_paths[*id]);
slot.set(id);
self.mutations.push(CreatePlaceholder { id });
1
}
VFragment::NonEmpty(_) => self.create_dynamic_node(
template,
&template.dynamic_nodes[*id],
*id,
),
},
DynamicNode::Component { .. } => {
self.create_dynamic_node(template, &template.dynamic_nodes[*id], *id)
}
DynamicNode::Text(VText { id: slot, value }) => {
let id = self.next_element(template, template.template.node_paths[*id]);
slot.set(id);
mutations.push(CreateTextNode { value, id });
self.mutations.push(CreateTextNode { value, id });
1
}
}
@@ -79,7 +80,7 @@ impl VirtualDom {
dynamic_attrs.next_if(|(_, p)| p[0] == root_idx as u8)
{
let id = self.next_element(template, template.template.attr_paths[attr_id]);
mutations.push(AssignId {
self.mutations.push(AssignId {
path: &path[1..],
id,
});
@@ -89,18 +90,18 @@ impl VirtualDom {
attribute.mounted_element.set(id);
match &attribute.value {
AttributeValue::Text(value) => mutations.push(SetAttribute {
AttributeValue::Text(value) => self.mutations.push(SetAttribute {
name: attribute.name,
value: *value,
ns: attribute.namespace,
id,
}),
AttributeValue::Bool(value) => mutations.push(SetBoolAttribute {
AttributeValue::Bool(value) => self.mutations.push(SetBoolAttribute {
name: attribute.name,
value: *value,
id,
}),
AttributeValue::Listener(_) => mutations.push(NewEventListener {
AttributeValue::Listener(_) => self.mutations.push(NewEventListener {
// all listeners start with "on"
event_name: &attribute.name[2..],
scope: cur_scope,
@@ -140,9 +141,9 @@ impl VirtualDom {
if let (Some(start), Some(end)) = (start, end) {
for idx in start..=end {
let node = &template.dynamic_nodes[idx];
let m = self.create_dynamic_node(mutations, template, node, idx);
let m = self.create_dynamic_node(template, node, idx);
if m > 0 {
mutations.push(ReplacePlaceholder {
self.mutations.push(ReplacePlaceholder {
m,
path: &template.template.node_paths[idx][1..],
});
@@ -155,12 +156,12 @@ impl VirtualDom {
}
/// Insert a new template into the VirtualDom's template registry
fn register_template<'a>(&mut self, template: &'a VNode<'a>, mutations: &mut Mutations<'a>) {
fn register_template(&mut self, template: &'b VNode<'b>) {
for node in template.template.roots {
self.create_static_node(&mut mutations.template_mutations, template, node);
self.create_static_node(template, node);
}
mutations.template_mutations.push(SaveTemplate {
self.mutations.template_mutations.push(SaveTemplate {
name: template.template.id,
m: template.template.roots.len(),
});
@@ -169,22 +170,27 @@ impl VirtualDom {
.insert(template.template.id, template.template);
}
pub(crate) fn create_static_node<'a>(
pub(crate) fn create_static_node(
&mut self,
mutations: &mut Vec<Mutation<'a>>,
template: &'a VNode<'a>,
node: &'a TemplateNode<'static>,
template: &'b VNode<'b>,
node: &'b TemplateNode<'static>,
) {
match *node {
// Todo: create the children's template
TemplateNode::Dynamic(idx) => {
let id = self.next_element(template, template.template.node_paths[idx]);
mutations.push(CreatePlaceholder { id })
self.mutations
.template_mutations
.push(CreatePlaceholder { id })
}
TemplateNode::Text(value) => mutations.push(CreateStaticText { value }),
TemplateNode::DynamicText { .. } => mutations.push(CreateStaticText {
value: "placeholder",
}),
TemplateNode::Text(value) => self
.mutations
.template_mutations
.push(CreateStaticText { value }),
TemplateNode::DynamicText { .. } => self
.mutations
.template_mutations
.push(CreateStaticText { value: "d" }),
TemplateNode::Element {
attrs,
@@ -195,26 +201,28 @@ impl VirtualDom {
} => {
let id = self.next_element(template, &[]); // never gets referenced, empty path is fine, I think?
mutations.push(CreateElement {
self.mutations.template_mutations.push(CreateElement {
name: tag,
namespace,
id,
});
mutations.extend(attrs.into_iter().filter_map(|attr| match attr {
TemplateAttribute::Static {
name,
value,
namespace,
..
} => Some(SetAttribute {
name,
value,
id,
ns: *namespace,
}),
_ => None,
}));
self.mutations
.template_mutations
.extend(attrs.into_iter().filter_map(|attr| match attr {
TemplateAttribute::Static {
name,
value,
namespace,
..
} => Some(SetAttribute {
name,
value,
id,
ns: *namespace,
}),
_ => None,
}));
if children.is_empty() && inner_opt {
return;
@@ -222,33 +230,33 @@ impl VirtualDom {
children
.into_iter()
.for_each(|child| self.create_static_node(mutations, template, child));
.for_each(|child| self.create_static_node(template, child));
mutations.push(AppendChildren { m: children.len() })
self.mutations
.template_mutations
.push(AppendChildren { m: children.len() })
}
}
}
pub(crate) fn create_dynamic_node<'a>(
pub(crate) fn create_dynamic_node(
&mut self,
mutations: &mut Mutations<'a>,
template: &'a VNode<'a>,
node: &'a DynamicNode<'a>,
template: &'b VNode<'b>,
node: &'b DynamicNode<'b>,
idx: usize,
) -> usize {
use DynamicNode::*;
match node {
Text(text) => self.create_dynamic_text(mutations, template, text, idx),
Fragment(frag) => self.create_fragment(frag, template, idx, mutations),
Component(component) => self.create_component_node(mutations, template, component, idx),
Text(text) => self.create_dynamic_text(template, text, idx),
Fragment(frag) => self.create_fragment(frag, template, idx),
Component(component) => self.create_component_node(template, component, idx),
}
}
fn create_dynamic_text<'a>(
fn create_dynamic_text(
&mut self,
mutations: &mut Mutations<'a>,
template: &VNode<'a>,
text: &VText<'a>,
template: &'b VNode<'b>,
text: &'b VText<'b>,
idx: usize,
) -> usize {
// Allocate a dynamic element reference for this text node
@@ -258,7 +266,7 @@ impl VirtualDom {
text.id.set(new_id);
// Add the mutation to the list
mutations.push(HydrateText {
self.mutations.push(HydrateText {
id: new_id,
path: &template.template.node_paths[idx][1..],
value: text.value,
@@ -268,17 +276,16 @@ impl VirtualDom {
0
}
pub(crate) fn create_fragment<'a>(
pub(crate) fn create_fragment(
&mut self,
frag: &'a VFragment<'a>,
template: &'a VNode<'a>,
frag: &'b VFragment<'b>,
template: &'b VNode<'b>,
idx: usize,
mutations: &mut Mutations<'a>,
) -> usize {
match frag {
VFragment::NonEmpty(nodes) => nodes
.iter()
.fold(0, |acc, child| acc + self.create(mutations, child)),
VFragment::NonEmpty(nodes) => {
nodes.iter().fold(0, |acc, child| acc + self.create(child))
}
VFragment::Empty(slot) => {
// Allocate a dynamic element reference for this text node
@@ -288,7 +295,7 @@ impl VirtualDom {
slot.set(id);
// Assign the ID to the existing node in the template
mutations.push(AssignId {
self.mutations.push(AssignId {
path: &template.template.node_paths[idx][1..],
id,
});
@@ -299,11 +306,10 @@ impl VirtualDom {
}
}
fn create_component_node<'a>(
fn create_component_node(
&mut self,
mutations: &mut Mutations<'a>,
template: &'a VNode<'a>,
component: &'a VComponent<'a>,
template: &'b VNode<'b>,
component: &'b VComponent<'b>,
idx: usize,
) -> usize {
let props = component.props.replace(None).unwrap();
@@ -319,25 +325,19 @@ impl VirtualDom {
use RenderReturn::*;
match return_nodes {
Sync(Ok(t)) => self.mount_component(mutations, scope, t, idx),
Sync(Ok(t)) => self.mount_component(scope, t, idx),
Sync(Err(_e)) => todo!("Propogate error upwards"),
Async(_) => self.mount_component_placeholder(template, idx, scope, mutations),
Async(_) => self.mount_component_placeholder(template, idx, scope),
}
}
fn mount_component<'a>(
&mut self,
mutations: &mut Mutations<'a>,
scope: ScopeId,
template: &'a VNode<'a>,
idx: usize,
) -> usize {
fn mount_component(&mut self, scope: ScopeId, template: &'b VNode<'b>, idx: usize) -> usize {
// Keep track of how many mutations are in the buffer in case we need to split them out if a suspense boundary
// is encountered
let mutations_to_this_point = mutations.len();
let mutations_to_this_point = self.mutations.len();
// Create the component's root element
let created = self.create_scope(scope, mutations, template);
let created = self.create_scope(scope, template);
// If there are no suspense leaves below us, then just don't bother checking anything suspense related
if self.collected_leaves.is_empty() {
@@ -360,7 +360,7 @@ impl VirtualDom {
// Note that we break off dynamic mutations only - since static mutations aren't rendered immediately
let split_off = unsafe {
std::mem::transmute::<Vec<Mutation>, Vec<Mutation>>(
mutations.split_off(mutations_to_this_point),
self.mutations.split_off(mutations_to_this_point),
)
};
boundary.mutations.borrow_mut().edits.extend(split_off);
@@ -371,7 +371,7 @@ impl VirtualDom {
.extend(self.collected_leaves.drain(..));
// Now assign the placeholder in the DOM
mutations.push(AssignId {
self.mutations.push(AssignId {
id: new_id,
path: &template.template.node_paths[idx][1..],
});
@@ -387,7 +387,6 @@ impl VirtualDom {
template: &VNode,
idx: usize,
scope: ScopeId,
mutations: &mut Mutations,
) -> usize {
let new_id = self.next_element(template, template.template.node_paths[idx]);
@@ -395,7 +394,7 @@ impl VirtualDom {
self.scopes[scope.0].placeholder.set(Some(new_id));
// Since the placeholder is already in the DOM, we don't create any new nodes
mutations.push(AssignId {
self.mutations.push(AssignId {
id: new_id,
path: &template.template.node_paths[idx][1..],
});