@react-hookz/web
Version:
React hooks done right, for browser and SSR.
23 lines (22 loc) • 857 B
JavaScript
import { useCallback, useState } from 'react';
import { useSyncedRef } from '../useSyncedRef/index.js';
import { resolveHookState } from '../util/resolve-hook-state.js';
/**
* Like `useState`, but every value set is passed through a mediator function.
*/
export function useMediatedState(initialState, mediator) {
const [state, setState] = useState(() => mediator ? mediator(resolveHookState(initialState)) : initialState);
const mediatorRef = useSyncedRef(mediator);
return [
state,
useCallback((value) => {
if (mediatorRef.current) {
setState(previousState => mediatorRef.current?.(resolveHookState(value, previousState)));
}
else {
setState(value);
}
// eslint-disable-next-line react-hooks/exhaustive-deps
}, []),
];
}