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Added arrow key support to desktop scrolling #23

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Added arrow key support to desktop scrolling #23

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20 changes: 19 additions & 1 deletion frontend/src/App.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@ function App() {
const [showAbout, setShowAbout] = useState(false)
const { articles, loading, fetchArticles } = useWikiArticles()
const observerTarget = useRef(null)
const containerRef = useRef<HTMLDivElement>(null)

const handleObserver = useCallback(
(entries: IntersectionObserverEntry[]) => {
Expand Down Expand Up @@ -37,8 +38,25 @@ function App() {
fetchArticles()
}, [])

useEffect(() => {
const handleKeyDown = (event: KeyboardEvent) => {
if (!containerRef.current) return;

if (event.key === 'ArrowRight') {
// Scroll down (next card)
containerRef.current.scrollBy({ top: window.innerHeight, behavior: 'smooth' });
} else if (event.key === 'ArrowLeft') {
// Scroll up (previous card)
containerRef.current.scrollBy({ top: -window.innerHeight, behavior: 'smooth' });
}
};

window.addEventListener('keydown', handleKeyDown);
return () => window.removeEventListener('keydown', handleKeyDown);
}, []);

return (
<div className="h-screen w-full bg-black text-white overflow-y-scroll snap-y snap-mandatory">
<div ref={containerRef} className="h-screen w-full bg-black text-white overflow-y-scroll snap-y snap-mandatory">
<div className="fixed top-4 left-4 z-50">
<button
onClick={() => window.location.reload()}
Expand Down