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

```ts
type Format = ModuleFormat
```

Defined in: [src/config/types.ts:59](https://github.com/rolldown/tsdown/blob/14e1060e1d1299d17e2c2ddcea616c155fb22dc5/src/config/types.ts#L59)