@arcjet/stable-hash

@arcjet/stable-hash

Arcjet stable hashing utility.

• npm package (@arcjet/stable-hash)
• GitHub source code (stable-hash/ in arcjet/arcjet-js)

What is this?

This is an internal utility to help us create stable hashes. It’s super minimal and matches similar internal code in other languages. This exists to make sure things work the same across languages.

When should I use this?

This is an internal Arcjet package not designed for public use. See our Get started guide for how to use Arcjet in your application.

Install

This package is ESM only. Install with npm in Node.js:

npm install @arcjet/stable-hash

Example

import * as hasher from "@arcjet/stable-hash";

const id = await hasher.hash(
  hasher.string("type", "EMAIL"),
  hasher.uint32("version", 0),
  hasher.string("mode", "LIVE"),
  hasher.stringSliceOrdered("allow", []),
  hasher.stringSliceOrdered("deny", []),
);

console.log(id);
// => 49573b7df8d854c2cd5d8a755a4c03aff4014493a41b963490861a279ad675b2

License

Apache License, Version 2.0 © Arcjet Labs, Inc.

Derivative work based on feross/buffer licensed under MIT © Feross Aboukhadijeh and contributors. Our work picks its internal hex encoding logic adjusted for our use.