Struct kagura::Component

pub struct Component<Msg, State, Sub> where
    Msg: 'static,
    State: 'static,
    Sub: 'static,  { /* fields omitted */ }

Component constructed by State-update-render

Methods

impl<Msg, State, Sub> Component<Msg, State, Sub>

pub fn new(
    state: State,
    update: fn(_: &mut State, _: &Msg) -> Option<Sub>,
    render: fn(_: &State) -> Html<Msg>
) -> Component<Msg, State, Sub>

Creates new component ftom initial state, update, render

Example

fn hello_world_component() -> Component<Msg, State, Sub> {
    Component::new(initial_state, update, render)
}

struct Msg;
struct State;
struct Sub;

fn update(_: &mut State, _: &Msg) -> Option<Sub> { None }

fn render(_: &State) -> Html<Msg> {
    Html::h1(
    Attributes::new(),
    Events::new(),
    vec![
        Html::unsafe_text("hello kagura"),
    ],
)
}

pub fn subscribe(self, sub: impl FnMut(Sub) -> Box<dyn Any> + 'static) -> Self

Regists binder from child Sub to parent Msg

#Example

create_a_child_component(props).subscribe(|sub| {
    match sub {
        ChildComponent::Sub::Input(value) => Box::new(Msg::Send(value))
    }
})