---
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/46cacd570c8ed72441c87458d9bb796b41d3b27f/src/config/types.ts#L59)