> ## Documentation Index
> Fetch the complete documentation index at: https://dnd-grid.blode.md/llms.txt
> Use this file to discover all available pages before exploring further.

# Allow overlap

<div className="not-prose my-6 rounded-lg border border-zinc-200/70 bg-white/70 shadow-sm dark:border-white/10 dark:bg-white/5">
  <iframe
    title="Allow overlap preview"
    src="https://dnd-grid.com/examples/allow-overlap-example?embed=1"
    className="h-[640px] w-full"
    loading="lazy"
  />
</div>

[View source on GitHub](https://github.com/mblode/dnd-grid/blob/main/apps/web/examples/dnd-grid-allow-overlap-example.tsx)

## Installation

<Tabs>
<Tab title="CLI">

```bash
npx shadcn@latest add https://dnd-grid.com/r/allow-overlap-example.json
```

</Tab>
<Tab title="Manual">

```bash
npm install @dnd-grid/react
```

```css
@import "@dnd-grid/react/styles.css";
```

```tsx title="components/dnd-grid-allow-overlap-example.tsx"
"use client";

import {
  DndGrid,
  type Layout,
  verticalCompactor,
  verticalOverlapCompactor,
} from "@dnd-grid/react";
import { useState } from "react";

const initialLayout: Layout = [
  { id: "a", x: 0, y: 0, w: 3, h: 2 },
  { id: "b", x: 1, y: 0, w: 3, h: 2 },
  { id: "c", x: 2, y: 1, w: 3, h: 2 },
  { id: "d", x: 6, y: 0, w: 3, h: 3 },
];

export function AllowOverlapExample() {
  const [layout, setLayout] = useState<Layout>(initialLayout);
  const [allowOverlap, setAllowOverlap] = useState(true);
  const compactor = allowOverlap ? verticalOverlapCompactor : verticalCompactor;

  return (
    <div>
      <button type="button" onClick={() => setAllowOverlap((prev) => !prev)}>
        {allowOverlap ? "Disable overlap" : "Enable overlap"}
      </button>

      <DndGrid
        layout={layout}
        cols={12}
        rowHeight={50}
        compactor={compactor}
        onLayoutChange={setLayout}
      >
        {layout.map((item) => (
          <div key={item.id} className="grid-item">
            {item.id}
          </div>
        ))}
      </DndGrid>
    </div>
  );
}
```

</Tab>
</Tabs>

## Usage

```tsx
import { AllowOverlapExample } from "@/components/dnd-grid-allow-overlap-example";

export default function Page() {
  return <AllowOverlapExample />;
}
```