Option Packages

A library of types and utilities for your TypeScript and JavaScript projects

Type safe Option, Result, and Either types; inspired by Rust

Library to read environment variables, including npm package config, custom config file, command line and default object

Determine implied volatility of options based on their prices

Calculations of option greeks - delta, gamma, theta, vega, rho

Typescript node argument parser with strong types.

option parser

Rust like enum, Result and Option for javascript

Tiny (220 bytes), zero dependency wrapper for nullable values

Maybe is a type that wraps optional values

Option and Result types for JavaScript; TypeScript first

Node.js parse argument options make ease.

A serverless framework plugin to require a command line option

Add badges to your project markdown in 2 seconds

A command line utility library to make it easier to make command line tools.

Option card component pack for Seed

[](https://travis-ci.org/ryoppy/scalike-typescript)

The commandline parser library that Node deserves.

Default options object generator for the popular NodeJS package Request

Command line arguments parser and stringifier