Resizable

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components/ui/resizable.tsx
'use client'
import { GripVertical } from 'lucide-react'
import * as ResizablePrimitive from 'react-resizable-panels'
import { cn } from '@/lib/utils'
const ResizablePanelGroup = ({
className,
...props
}: React.ComponentProps<typeof ResizablePrimitive.PanelGroup>) => (
<ResizablePrimitive.PanelGroup
className={cn(
'flex h-full w-full font-base data-[panel-group-direction=vertical]:flex-col',
className,
)}
{...props}
/>
)
const ResizablePanel = ResizablePrimitive.Panel
const ResizableHandle = ({
withHandle,
className,
...props
}: React.ComponentProps<typeof ResizablePrimitive.PanelResizeHandle> & {
withHandle?: boolean
}) => (
<ResizablePrimitive.PanelResizeHandle
className={cn(
'relative flex w-0.5 items-center justify-center bg-border dark:bg-darkBorder after:absolute after:inset-y-0 after:left-1/2 after:w-1 after:-translate-x-1/2 focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-black focus-visible:ring-offset-1 data-[panel-group-direction=vertical]:h-0.5 data-[panel-group-direction=vertical]:w-full data-[panel-group-direction=vertical]:after:left-0 data-[panel-group-direction=vertical]:after:h-1 data-[panel-group-direction=vertical]:after:w-full data-[panel-group-direction=vertical]:after:-translate-y-1/2 data-[panel-group-direction=vertical]:after:translate-x-0 [&[data-panel-group-direction=vertical]>div]:rotate-90',
className,
)}
{...props}
>
{withHandle && (
<div className="z-10 flex h-4 w-3 items-center justify-center rounded-sm bg-border dark:bg-darkBorder">
<GripVertical className="h-2.5 w-2.5" />
</div>
)}
</ResizablePrimitive.PanelResizeHandle>
)
export { ResizablePanelGroup, ResizablePanel, ResizableHandle }

Usage

import {
ResizableHandle,
ResizablePanel,
ResizablePanelGroup,
} from '@/components/ui/resizable'

<ResizablePanelGroup
direction="horizontal"
className="rounded-base max-w-md border-2 border-border text-text dark:border-darkBorder shadow-light dark:shadow-dark"
>
<ResizablePanel defaultSize={50}>
<div className="flex h-[200px] items-center justify-center bg-main p-6">
<span className="font-base">One</span>
</div>
</ResizablePanel>
<ResizableHandle />
<ResizablePanel defaultSize={50}>
<ResizablePanelGroup direction="vertical">
<ResizablePanel defaultSize={25}>
<div className="flex h-full items-center justify-center bg-main p-6">
<span className="font-base">Two</span>
</div>
</ResizablePanel>
<ResizableHandle />
<ResizablePanel defaultSize={75}>
<div className="flex h-full items-center justify-center bg-main p-6">
<span className="font-base">Three</span>
</div>
</ResizablePanel>
</ResizablePanelGroup>
</ResizablePanel>
</ResizablePanelGroup>;
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