---
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/9f98be3c9c6627ed1c4e5bdec3d8a18e5463c4c8/src/config/types.ts#L59)