---
title: FileDigestFunction
source: https://github.com/remix-run/remix/blob/remix@3.0.0-beta.3/packages/response/src/lib/file.ts#L44
---

# FileDigestFunction

## Summary

Custom function for computing file digests.

## Signature

```ts
type FileDigestFunction<file> = (file: file) => Promise<string>;

```