Pure-JS CRC-32

parse argument options

Define a data property on an object. Will fall back to assignment in an engine without descriptors.

Utility package to determine if an `Array.prototype` method properly boxes the callback's receiver and third argument.

Pure-JS ADLER-32

Tiny helpers for processing regex syntax

Infer strong typings for commander options and action handlers

Conversion of JavaScript primitives to and from Buffer with binary order matching natural primitive order

the complete solution for node.js command-line programs

A finite state machine iterator for JavaScript

A dictionary of file extensions and associated module loaders.

TypeScript types for Apollo Server info.cacheControl

Check the engines and platform fields in package.json

Tools for developing with gRPC on Node.js

A node.js package for Steven Levithan's excellent dateFormat() function.

Tools for constructing unified-latex ASTs

An ES2019 spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far down as ES3.

A ridiculously light-weight argument validator (now browser friendly)

extended POSIX-style sprintf

An ESnext spec-compliant `Array.prototype.findLastIndex` shim/polyfill/replacement that works as far down as ES3.