Resizable

Accessible resizable panel groups and layouts with keyboard support.

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Installation

Install the following dependencies:

pnpm add react-resizable-panels

Copy and paste the following code into your project.

"use client";

import * as ResizablePrimitive from "react-resizable-panels";
import { GripVerticalIcon } from "lucide-react";

import { cn } from "~/utils/tailwind";

const ResizablePanelGroup = ({
  className,
  ...props
}: React.ComponentProps<typeof ResizablePrimitive.PanelGroup>) => (
  <ResizablePrimitive.PanelGroup
    className={cn(
      "flex size-full 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-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:outline-none focus-visible:ring-1 focus-visible:ring-ring focus-visible:ring-offset-1",
      "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-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-0.5 border bg-border">
        <GripVerticalIcon size={10} />
      </div>
    )}
  </ResizablePrimitive.PanelResizeHandle>
);

export { ResizablePanelGroup, ResizablePanel, ResizableHandle };

Update the import paths to match your project setup.

Usage

import {
  ResizableHandle,
  ResizablePanel,
  ResizablePanelGroup,
} from "~/components/ui/Resizable";
<ResizablePanelGroup direction="horizontal">
  <ResizablePanel>One</ResizablePanel>
  <ResizableHandle />
  <ResizablePanel>Two</ResizablePanel>
</ResizablePanelGroup>

Examples

Vertical

Top
Bottom

Handle

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