Resizable

Installation

Installs react-resizable-panels, lucide-react automatically if missing.

"use client"

import * as React from "react"
import { GripVertical } from "lucide-react"
import * as ResizablePrimitive from "react-resizable-panels"

import { cn } from "@/lib/utils"

function ResizablePanelGroup({
  className,
  ...props
}: React.ComponentProps<typeof ResizablePrimitive.PanelGroup>) {
  return (
    <ResizablePrimitive.PanelGroup
      data-slot="resizable-panel-group"
      className={cn(
        "flex h-full w-full data-[panel-group-direction=vertical]:flex-col",
        className
      )}
      {...props}
    />
  )
}

function ResizablePanel({
  ...props
}: React.ComponentProps<typeof ResizablePrimitive.Panel>) {
  return <ResizablePrimitive.Panel data-slot="resizable-panel" {...props} />
}

function ResizableHandle({
  withHandle,
  className,
  ...props
}: React.ComponentProps<typeof ResizablePrimitive.PanelResizeHandle> & {
  withHandle?: boolean
}) {
  return (
    <ResizablePrimitive.PanelResizeHandle
      data-slot="resizable-handle"
      className={cn(
        "relative flex w-px items-center justify-center bg-border after:absolute after:inset-y-0 after:left-1/2 after:w-1 after:-translate-x-1/2 focus-visible:ring-1 focus-visible:ring-ring focus-visible:ring-offset-1 focus-visible:outline-hidden data-[panel-group-direction=vertical]:h-px 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-x-0 data-[panel-group-direction=vertical]:after:-translate-y-1/2 [&[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-xs border bg-border">
          <GripVertical className="size-2.5" />
        </div>
      ) : null}
    </ResizablePrimitive.PanelResizeHandle>
  )
}

export { ResizablePanelGroup, ResizablePanel, ResizableHandle }

This exact file lands in your project at components/ui/resizable.tsx. It is yours to edit.