Interface ActionHandler<T, P>

Processes state and makes changes based on the action and / or state. While the ActionHandler is a synchronous function it may have side effects (start asynchronous actions) and can invoke "dispatch" to queue up new actions.

Returns

A tuple, the first element is an object of type T. The optional second element indicates if the state has changed; if not provided it defaults to false.

interface ActionHandler<T, P> ((state, action, dispatch) => [state: T, changed?: boolean])

Type Parameters

T
The type of the state parameter and the first element in the return tuple.
P = unknown
The type of the action's payload property.

ActionHandler(state, action, dispatch): [state: T, changed?: boolean]
Parameters
- state: T
- action: Action<P> | LoopAction
- dispatch: Dispatcher<T, unknown>
Returns [state: T, changed?: boolean]
- Defined in types.ts:34

Interface ActionHandler<T, P>

Returns

Type Parameters

Parameters

Returns [state: T, changed?: boolean]

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