cosign-io/ether-token-js

For encoding to/from base64urls

A library for arbitrary-precision decimal and non-decimal arithmetic

Big number implementation in pure javascript

A lightweight library that provides tools for organizing asynchronous code

A collection of utility functions for Ethereum

A simple SHA-3 / Keccak / Shake hash function for JavaScript supports UTF-8 encoding.

Fix babel/babel#2212

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

simple, flexible, fun test framework

JavaScript test spies, stubs and mocks.

Extends Chai with assertions for the Sinon.JS mocking framework.