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

```ts
type ChunkAddon = ChunkAddonObject | ChunkAddonFunction | string
```

Defined in: [src/features/output.ts:101](https://github.com/rolldown/tsdown/blob/4e612b53c3ee410664a4a421e66c7f9ab70e15cc/src/features/output.ts#L101)