---
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/7de10074d02924a2de03a1214386c7ccc448a326/src/utils/chunks.ts#L4)

## Type Declaration

### outDir

```ts
outDir: string
```