---
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/dcfff3f6e8bb93ce50d03254441d058e1d18f177/src/utils/chunks.ts#L4)

## Type Declaration

### outDir

```ts
outDir: string
```