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