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p61-project/presentation/react/hooks/usePresenterState.ts

22 lines
523 B
TypeScript

import { useEffect, useState } from "react"
import type { Presenter } from "@/presentation/presenters/_Presenter"
export const usePresenterState = <S>(presenter: Presenter<S>): S => {
const [state, setState] = useState<S>(presenter.initialState)
useEffect(() => {
const presenterSubscription = (state: S): void => {
setState(state)
}
presenter.subscribe(presenterSubscription)
return () => {
return presenter.unsubscribe(presenterSubscription)
}
}, [presenter])
return state
}