[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [local‑first/Db](https://evolu.dev/docs/api-reference/common/local-first/Db) › CreateDbWorker

```ts
type CreateDbWorker = () => DbWorker;
```

Defined in: [packages/common/src/local-first/Db.ts:133](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/local-first/Db.ts#L133)