---
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/bb923f73663e5bec28b6bafe753c7ce810552531/src/utils/chunks.ts#L4)

## Type Declaration

### outDir

```ts
outDir: string
```