---
url: /reference/api/TypeAlias.RolldownChunk.md
---
# Type Alias: RolldownChunk

```ts
type RolldownChunk = (OutputChunk | OutputAsset) & object
```

Defined in: [src/utils/chunks.ts:4](https://github.com/rolldown/tsdown/blob/a5aec1c5527715db4de0147b90c5aed61e257b97/src/utils/chunks.ts#L4)

## Type Declaration

### outDir

```ts
outDir: string
```