euv_core/vdom/node/
struct.rs

1use crate::*;
2
3/// Inner storage for a dynamic node render closure.
4///
5/// Boxes a `dyn FnMut() -> VirtualNode` so it can be stored behind `Rc<RefCell<>>`.
6#[derive(CustomDebug, Data, New)]
7pub(crate) struct RenderFnInner {
8    /// The boxed render closure.
9    #[debug(skip)]
10    #[get(pub(crate))]
11    #[get_mut(pub(crate))]
12    #[set(pub(crate))]
13    pub(crate) render_fn: Box<dyn FnMut() -> VirtualNode>,
14}
15
16/// Represents a text node in the virtual DOM.
17///
18/// Text nodes may optionally be bound to a reactive signal for automatic updates.
19#[derive(Clone, CustomDebug, Data, New)]
20pub struct TextNode {
21    /// The text content.
22    #[get(pub(crate))]
23    #[get_mut(pub(crate))]
24    #[set(pub(crate))]
25    pub(crate) content: String,
26    /// An optional signal that drives reactive text updates.
27    #[debug(skip)]
28    #[get(pub(crate))]
29    #[get_mut(pub(crate))]
30    #[set(pub(crate))]
31    pub(crate) signal: Option<Signal<String>>,
32}
33
34/// A closure-based dynamic node that re-renders when its dependency signals change.
35///
36/// Holds a shared reference to a heap-allocated render closure that produces a fresh
37/// `VirtualNode` on each evaluation. The renderer subscribes to the closure's
38/// signals and patches the DOM automatically.
39/// Contains a `HookContext` that persists hook state (like `use_signal`) across
40/// re-renders, ensuring that signal values are not reset when the render function
41/// is called again.
42#[derive(CustomDebug, Data, New)]
43pub struct DynamicNode {
44    /// Shared reference to the heap-allocated render closure inner state.
45    #[debug(skip)]
46    #[get(pub(crate))]
47    #[get_mut(pub(crate))]
48    #[set(pub(crate))]
49    pub(crate) render_fn: Rc<RefCell<RenderFnInner>>,
50    /// Persistent hook context for this dynamic node, storing signal
51    /// state and other hook values across render cycles.
52    #[get(pub(crate))]
53    #[get_mut(pub(crate))]
54    #[set(pub(crate))]
55    pub(crate) hook_context: HookContext,
56}
euv_core/vdom/node/struct.rs

euv_core/vdom/node/
struct.rs
