Files
stats/apps/start/src/components/ui/scroll-area.tsx
Carl-Gerhard Lindesvärd 57697a5a39 wip
2025-11-22 00:05:13 +01:00

90 lines
2.4 KiB
TypeScript

import * as ScrollAreaPrimitive from '@radix-ui/react-scroll-area';
import * as React from 'react';
import { cn } from '@/lib/utils';
export const VirtualScrollArea = React.forwardRef<
HTMLDivElement,
{
children: React.ReactNode;
className?: string;
}
>(({ children, className }, ref) => {
// The ref MUST point directly to the scrollable element
// This element MUST have:
// 1. overflow-y-auto (or overflow: auto)
// 2. A constrained height (via flex-1 min-h-0 or fixed height)
return (
<div
ref={ref}
className={cn('overflow-y-auto w-full', className)}
style={{
// Ensure height is constrained by flex parent
height: '100%',
maxHeight: '100%',
}}
>
{children}
</div>
);
});
VirtualScrollArea.displayName = 'VirtualScrollArea';
function ScrollArea({
className,
children,
ref,
orientation = 'vertical',
...props
}: React.ComponentProps<typeof ScrollAreaPrimitive.Root> & {
orientation?: 'vertical' | 'horizontal';
}) {
return (
<ScrollAreaPrimitive.Root
data-slot="scroll-area"
className={cn('relative', className)}
{...props}
>
<ScrollAreaPrimitive.Viewport
data-slot="scroll-area-viewport"
className="focus-visible:ring-ring/50 size-full rounded-[inherit] transition-[color,box-shadow] outline-none focus-visible:ring-[3px] focus-visible:outline-1"
ref={ref}
>
{children}
</ScrollAreaPrimitive.Viewport>
<ScrollBar orientation={orientation} />
<ScrollAreaPrimitive.Corner />
</ScrollAreaPrimitive.Root>
);
}
function ScrollBar({
className,
orientation = 'vertical',
...props
}: React.ComponentProps<typeof ScrollAreaPrimitive.ScrollAreaScrollbar>) {
return (
<ScrollAreaPrimitive.ScrollAreaScrollbar
data-slot="scroll-area-scrollbar"
orientation={orientation}
className={cn(
'flex touch-none p-px transition-colors select-none',
orientation === 'vertical' &&
'h-full w-2.5 border-l border-l-transparent',
orientation === 'horizontal' &&
'h-2.5 flex-col border-t border-t-transparent',
className,
)}
{...props}
>
<ScrollAreaPrimitive.ScrollAreaThumb
data-slot="scroll-area-thumb"
className="bg-border relative flex-1 rounded-full"
/>
</ScrollAreaPrimitive.ScrollAreaScrollbar>
);
}
export { ScrollArea, ScrollBar };