Function canScrollWithin

src/Components/Home/home.jsx:143–149

(dir)

        // when the active screen's own content overflows, let it scroll natively
        // until it hits the edge — only then do we snap to the next/prev screen
        const canScrollWithin = (dir) => {
            const screen = node.firstElementChild?.children[pageIndexRef.current];
            if (!screen) return false;
            const {scrollTop, scrollHeight, clientHeight} = screen;
            if (scrollHeight - clientHeight <= 2) return false;
            return dir > 0 ? scrollTop + clientHeight < scrollHeight - 2 : scrollTop > 2;
        };
        const onWheel = (e) => {
            if (Math.abs(e.deltaY) < 8) return;
            if (canScrollWithin(e.deltaY)) return;