Language server implementation for node

Check if stdout or stderr is interactive

An Esprima-compatible JavaScript parser built on Acorn

Brand checking of React Elements.

A simple directory tree walker.

Polyfill of future proposal for `util.parseArgs()`

Get details about the current Continuous Integration environment

A comprehensive library for mime-type mapping

Match a Unicode property or property alias to its canonical property name per the algorithm used for RegExp Unicode property escapes in ECMAScript.

extend like a boss

Runtime for Regenerator-compiled generator and async functions.

Another JSON Schema Validator

Offers getProxyForUrl to get the proxy URL for a URL, respecting the *_PROXY (e.g. HTTP_PROXY) and NO_PROXY environment variables.

Constants and utilities about visitor keys to traverse AST.

Which kind of boxed JS primitive is this?

Deprecate all the things

Given some data, jsesc returns the shortest possible stringified & ASCII-safe representation of that data.

Wrap words to a specified length.

Strict TypeScript and Flow types for style based on MDN data

Validate identifier/keywords name

logger for npm

Ignore is a manager and filter for .gitignore rules.

JavaScript parser written in OCaml. Produces ESTree AST

a library that defines a common interface for working with archive formats within node