---
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/52b59cc0d5a8a6a1dc0e3e5c01ccb8f79a78df2c/src/features/output.ts#L101)