Type alias Reducible<S, E>

Reducible<S, E>: WithDescription & {
    init: (() => Readonly<S>);
    reduce: {
        [K in keyof E]: EventReducer<S, E, K>
    };
    reducer?: StateReducer<S>;
}

Reducible artifacts reduce their state from event streams

init state initializer
reduce event reducers
reducer? state reducer

Type Parameters

S extends State = State
E extends Messages = Messages

Type declaration

init: (() => Readonly<S>)
- - (): Readonly<S>
  - Returns Readonly<S>
reduce: {
[K in keyof E]: EventReducer<S, E, K>
}
Optional reducer?: StateReducer<S>

See

utils.clone for default state reducer behavior

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