20 lines
636 B
TypeScript
20 lines
636 B
TypeScript
import { useObservable } from "./useObservable";
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import { useState } from "react";
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import type { StatefulObservable } from "../StatefulObservable";
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/**
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* Equivalent of https://docs.evt.land/api/react-hooks
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* */
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export function useRerenderOnChange(obs: StatefulObservable<unknown>): void {
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//NOTE: We use function in case the state is a function
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const [, setCurrent] = useState(() => obs.current);
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useObservable(
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({ registerSubscription }) => {
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const subscription = obs.subscribe(current => setCurrent(() => current));
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registerSubscription(subscription);
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},
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[obs]
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);
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}
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