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

```ts
function fromNullable<T>(value: T | null | undefined): Option<NonNullable<T>>;
```

Defined in: [packages/common/src/Option.ts:72](https://github.com/evoluhq/evolu/blob/e7144e2bbe9069362b62dec1b64a8aa922b8f1b0/packages/common/src/Option.ts#L72)

Converts a nullable value to an [Option](https://evolu.dev/docs/api-reference/common/Option/type-aliases/Option).

`null` and `undefined` become [none](https://evolu.dev/docs/api-reference/common/Option/variables/none).