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

```ts
type TypeErrorFormatter<Error> = (error: Error) => string;
```

Defined in: [packages/common/src/Type.ts:919](https://github.com/evoluhq/evolu/blob/dd96d79f1dbe9a49fa12ce8e0aa7d3d0177795ca/packages/common/src/Type.ts#L919)

Formats a structured [TypeError](https://evolu.dev/docs/api-reference/common/Type/interfaces/TypeError) as a human-readable message.