[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) › DbWorker

```ts
type DbWorker = Worker<DbWorkerInit>;
```

Defined in: [packages/common/src/local-first/Db.ts:121](https://github.com/evoluhq/evolu/blob/dd96d79f1dbe9a49fa12ce8e0aa7d3d0177795ca/packages/common/src/local-first/Db.ts#L121)