> For the complete documentation index, see [llms.txt](https://docs.twine.world/twine-js/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.twine.world/twine-js/twine-protocol/twine-car-utils/functions/dumptocar.md).

# dumpToCar

[**@twine-protocol/twine-car-utils v0.0.3**](/twine-js/twine-protocol/twine-car-utils/index.md) • **Docs**

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[twine-js](/twine-js/index.md) / [@twine-protocol/twine-car-utils](/twine-js/twine-protocol/twine-car-utils/index.md) / dumpToCar

## Function: dumpToCar()

> **dumpToCar**(`resolver`): `AsyncIterable`<`Uint8Array`>

Dump all resolvable chains to a CARv2 file.

### Parameters

| Parameter  | Type       |
| ---------- | ---------- |
| `resolver` | `Resolver` |

### Returns

`AsyncIterable`<`Uint8Array`>

### Example

```js
// You can output the car to a file with:
import { pipeline } from 'node:stream/promises'
import { createWriteStream } from 'node:fs'
await pipeline(
  dumpToCar(resolver),
  createWriteStream(path)
)
```

### Defined in

[index.ts:104](https://github.com/twine-protocol/twine-js/blob/3800995f9c83f4f5711bcf3062ea754a1e4448ce/packages/twine-car-utils/src/index.ts#L104)