polkastarter/polkastarter-js

Nodejs and Javascript library for decoding data params and events from ethereum transactions"

number, money and currency formatting library

Promise based HTTP client for the browser and node.js

A Babel preset for each environment.

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

Big number implementation in pure javascript

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

JavaScript library of crypto standards.

2KB immutable date time library alternative to Moment.js with the same modern API

An arbitrary-precision Decimal type for JavaScript.

Loads environment variables from .env file

A complete and compact Ethereum library, for dapps, wallets and any other tools.

ultility to measure execution time

String left pad

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with different data types like numbers, big numbers, complex numbers, fractions, units, and matrices.

simple, flexible, fun test framework

Parse, validate, manipulate, and display dates

Mongoose MongoDB ODM

Ethereum JavaScript API

Generates markdown API documentation from jsdoc annotated source code

the Istanbul command line interface

test framework agnostic BDD-style assertions

SuperAgent driven library for testing HTTP servers

Web3 Provider for WalletConnect

Light, ultra-fast javascript implementation for BigIntegers (base arithmetic operations)

Will generate a random HEX string of a specifc byte size.

A single Web3 / Ethereum provider solution for all Wallets

CLI to generate books and documentation using gitbook

A JSDoc plugin that transforms ES6 source files with Babel before they are processsed.

A CLI and equivalent JS API to analyze source JSDoc and generate documentation under a given heading in a markdown file (such as readme.md).