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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| import clsx from 'clsx'; | ||
| import { useRef, useMemo } from 'react'; | ||
| import { useMouse } from 'react-use'; | ||
|
|
||
| export function SpotlightCard({ | ||
| as: Component = 'div', | ||
| from = 'rgba(255,255,255,0.8)', | ||
| via = null, | ||
| to = 'transparent', | ||
| size = 350, | ||
| mode = 'before', | ||
| hsl = false, | ||
| hslMin = 0, | ||
| hslMax = 360, | ||
| children, | ||
| className, | ||
| ...props | ||
| }) { | ||
| const container = useRef(null); | ||
|
|
||
| const { elX, elY, elW, elH } = useMouse(container); | ||
|
|
||
| const spotlightColorStops = useMemo(() => { | ||
| if (hsl) { | ||
| const margin = hslMax - hslMin; | ||
| const rate = (elY + elX) / (elH + elW); | ||
| const hue = Math.round(margin * rate + hslMin); | ||
|
|
||
| return `hsl(${hue} 80% 70%),transparent`; | ||
| } | ||
|
|
||
| return [from, via, to].filter((value) => !!value).join(','); | ||
| }, [hsl, hslMax, hslMin, from, via, to, elY, elX, elH, elW]); | ||
|
|
||
| const classes = | ||
| mode == 'before' | ||
| ? `before:absolute before:inset-0 before:bg-[radial-gradient(var(--spotlight-size)_circle_at_var(--x)_var(--y),var(--spotlight-color-stops))]` | ||
| : `after:absolute after:inset-0 after:bg-[radial-gradient(var(--spotlight-size)_circle_at_var(--x)_var(--y),var(--spotlight-color-stops))]`; | ||
|
|
||
| return ( | ||
| <Component | ||
| ref={container} | ||
| className={clsx( | ||
| 'relative transform-gpu overflow-hidden', | ||
| classes, | ||
| className, | ||
| )} | ||
| {...props} | ||
| style={{ | ||
| '--x': `${elX}px`, | ||
| '--y': `${elY}px`, | ||
| '--spotlight-color-stops': spotlightColorStops, | ||
| '--spotlight-size': `${size}px`, | ||
| }} | ||
| > | ||
| {children} | ||
| </Component> | ||
| ); | ||
| } |
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