revite/src/lib/windowSize.ts

import { useEffect, useState } from "preact/hooks";

export function useWindowSize() {
    const [windowSize, setWindowSize] = useState({
        width: window.innerWidth,
        height: window.innerHeight
    });

    useEffect(() => {
        function handleResize() {
            setWindowSize({
                width: window.innerWidth,
                height: window.innerHeight
            });
        }

        window.addEventListener("resize", handleResize);
        handleResize();

        return () => window.removeEventListener("resize", handleResize);
    }, []);

    return windowSize;
}