[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [Eq](https://evolu.dev/docs/api-reference/common/Eq) › eqUndefined

```ts
const eqUndefined: Eq<undefined> = eqStrict;
```

Defined in: [packages/common/src/Eq.ts:94](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/Eq.ts#L94)

An [Eq](https://evolu.dev/docs/api-reference/common/Eq/type-aliases/Eq) for `undefined`.