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

euv_core/vdom/node/
struct.rs
