yewdux 0.6.2

Ergonomic state management for Yew applications
Documentation 
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use std::rc::Rc;

use yew::agent::HandlerId;

use super::{Changed, Store, StoreLink};

pub trait Reducer {
    type Action;

    fn reduce(&mut self, action: Self::Action) -> Changed;
    fn new() -> Self;
}

pub struct ReducerStore<T>
where
    T: Reducer + Clone,
{
    state: Rc<T>,
}

impl<T> Store for ReducerStore<T>
where
    T: Reducer + Clone + 'static,
{
    type Model = T;
    type Message = ();
    type Input = T::Action;
    type Output = ();

    fn new(_link: StoreLink<Self>) -> Self {
        Self {
            state: Rc::new(T::new()),
        }
    }

    fn state(&mut self) -> &mut Rc<Self::Model> {
        &mut self.state
    }

    fn handle_input(&mut self, msg: Self::Input, _who: HandlerId) -> Changed {
        let state = Rc::make_mut(&mut self.state);
        state.reduce(msg)
    }
}