launch.io/dist/esm/utils/useContextListener.js

Launch.IO is an Ultra Hip, Simple, and Fast, Time Traveling React State Management Library

import { useLayoutEffect } from "react";
import ctx from "./context";
export default (callback) => {
    useLayoutEffect(() => {
        const { disconnect } = ctx.subscribe(callback);
        return () => {
            disconnect();
        };
    }, [callback]);
};