yarnpkg/yarn

Pretty unicode tables for the command line. Based on the original cli-table.

the complete solution for node.js command-line programs

Lightweight debugging utility for Node.js and the browser

node's assert.deepEqual algorithm

the most correct and second fastest glob implementation in JavaScript

A collection of common interactive command line user interfaces.

invariant

Detect if the current environment is a CI server

Recursively mkdir, like `mkdir -p`

A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.

Simplified HTTP request client.

A deep deletion module for node (like `rm -rf`)

The semantic version parser used by npm.

filesystem bindings for tar-stream

tar-stream is a streaming tar parser and generator and nothing else. It operates purely using streams which means you can easily extract/parse tarballs without ever hitting the file system.

RFC9562 UUIDs

Custom parser for ESLint

Used in pnpm for command line application support

Gracefully cleanup when termination signals are sent to your process.

dnscache for Node

Transform stream that gunzips its input if it is gzipped and just echoes it if not

generates a hash that represents a module and its depenencies uniqueness

An ini encoder/decoder for node

Friendly emoji lookups and parsing utilities for Node.js. 💖

Access deep object properties using a path

Calculate 'logical' trees from a package.json + package-lock

A inter-process and inter-machine lockfile utility that works on a local or network file system

read(1) for node programs

Standard Subresource Integrity library -- parses, serializes, generates, and verifies integrity metadata according to the SRI spec.

Wrapper for request module that saves all traffic as a HAR file, useful for auto mocking a client

Require hook for automatic V8 compile cache persistence