Recursively iterates over specified directory, require()'ing each file, and returning a nested hash structure containing those modules.

Node.js API (Node-API)

Newline character converter

Detect if your code is running on an AWS Lambda server

Parser for FTP server responses

A fast, flexible, configuration-based command-line interface for linting Markdown/CommonMark files with the `markdownlint` library

Permission surfaces: a new-session default in General settings and a current-session /permission popup over the permissions projection

Convert a tilde path to an absolute path: `~/dev` → `/Users/sindresorhus/dev`

A toolkit for JavaScript codemods

A generational cache with strict entry-count limits and payload validation.

Uses OS zip command if available (for better performance and speed) or node.js version if there is no system command available. Can be called via node or command line.

Retrieves git information from package that installed as NPM package.

Cross-platform PATH env name

Framework-agnostic, micro-library for getting stack traces in all environments

Fast (and loose) selective `process.env` replacer using js-tokens instead of an AST

A TypeScript implementation of a simple MCP server that exposes datetime information to agentic systems and chat REPLs

Standard shareable config for Stylelint

Properties file reader for Node.js

Helpers for asserting that a JavaScript environment supports certain features necessary for the operation of the Solana JavaScript SDK

Performance monitoring with Synthetic testing, Chrome UX Report, and Real User Metrics