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Runtime error
File size: 4,869 Bytes
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import { Box, Typography } from '@mui/material';
const THRESHOLD = 80; // px to trigger decision
const MAX_ROTATE = 12; // degrees at full drag
const MAX_DRAG = 180; // px reference for scale calculations
export default function SwipeCard({ children, onSwipeLeft, onSwipeRight }) {
const touchStart = useRef(null);
const [dx, setDx] = useState(0);
const [exiting, setExiting] = useState(null); // 'left' | 'right' | null
const handleTouchStart = useCallback((e) => {
touchStart.current = e.touches[0].clientX;
setExiting(null);
}, []);
const handleTouchMove = useCallback((e) => {
if (touchStart.current === null) return;
const delta = e.touches[0].clientX - touchStart.current;
setDx(delta);
}, []);
const handleTouchEnd = useCallback(() => {
if (touchStart.current === null) return;
touchStart.current = null;
if (dx <= -THRESHOLD) {
setExiting('left');
setTimeout(() => {
setDx(0);
setExiting(null);
onSwipeLeft?.();
}, 220);
} else if (dx >= THRESHOLD) {
setExiting('right');
setTimeout(() => {
setDx(0);
setExiting(null);
onSwipeRight?.();
}, 220);
} else {
// snap back
setDx(0);
}
}, [dx, onSwipeLeft, onSwipeRight]);
const progress = Math.min(Math.abs(dx) / THRESHOLD, 1);
const rotate = (dx / MAX_DRAG) * MAX_ROTATE;
const translateX = exiting === 'left'
? -window.innerWidth
: exiting === 'right'
? window.innerWidth
: dx;
const isLeft = dx < -10;
const isRight = dx > 10;
const overlayOpacity = Math.min(Math.abs(dx) / THRESHOLD, 0.7);
return (
<Box
onTouchStart={handleTouchStart}
onTouchMove={handleTouchMove}
onTouchEnd={handleTouchEnd}
sx={{
flex: 1,
display: 'flex',
alignItems: 'center',
justifyContent: 'center',
position: 'relative',
overflow: 'hidden',
touchAction: 'none',
userSelect: 'none',
cursor: 'grab',
'&:active': { cursor: 'grabbing' },
}}
>
{/* Draggable card */}
<Box
sx={{
width: '100%',
height: '100%',
display: 'flex',
alignItems: 'center',
justifyContent: 'center',
position: 'relative',
transform: `translateX(${translateX}px) rotate(${rotate}deg)`,
transition: exiting
? 'transform 0.22s ease-out'
: dx === 0
? 'transform 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275)'
: 'none',
}}
>
{children}
{/* ABSENT overlay — left swipe — red */}
<Box
sx={{
position: 'absolute',
top: 0, left: 0, right: 0, bottom: 0,
borderRadius: 2,
bgcolor: 'error.main',
opacity: isLeft ? overlayOpacity * 0.35 : 0,
transition: 'opacity 0.1s',
pointerEvents: 'none',
}}
/>
<Box
sx={{
position: 'absolute',
top: '50%',
left: 24,
transform: 'translateY(-50%) rotate(-15deg)',
opacity: isLeft ? Math.min(progress * 1.4, 1) : 0,
transition: 'opacity 0.1s',
pointerEvents: 'none',
border: '3px solid',
borderColor: 'error.main',
borderRadius: 1,
px: 1.5,
py: 0.5,
}}
>
<Typography
variant="h6"
fontWeight={900}
color="error.main"
sx={{ letterSpacing: 2 }}
>
ABSENT
</Typography>
</Box>
{/* PRESENT overlay — right swipe — green */}
<Box
sx={{
position: 'absolute',
top: 0, left: 0, right: 0, bottom: 0,
borderRadius: 2,
bgcolor: 'success.main',
opacity: isRight ? overlayOpacity * 0.35 : 0,
transition: 'opacity 0.1s',
pointerEvents: 'none',
}}
/>
<Box
sx={{
position: 'absolute',
top: '50%',
right: 24,
transform: 'translateY(-50%) rotate(15deg)',
opacity: isRight ? Math.min(progress * 1.4, 1) : 0,
transition: 'opacity 0.1s',
pointerEvents: 'none',
border: '3px solid',
borderColor: 'success.main',
borderRadius: 1,
px: 1.5,
py: 0.5,
}}
>
<Typography
variant="h6"
fontWeight={900}
color="success.main"
sx={{ letterSpacing: 2 }}
>
PRESENT
</Typography>
</Box>
</Box>
</Box>
);
}
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