get colors in your node.js console

check whether a command line command exists in the current environment

the complete solution for node.js command-line programs

Deep diffs two objects, including nested structures of arrays and objects, and return the difference.

Embedded JavaScript templates

Linter/Syntax Checker for EJS Templates

Promise version of glob

Convert millisecond durations to English and many other languages.

Object schema validation

A fast and easy to use JSON Schema validator

Merge plain old objects without source modifications and optionally provide custom merge behavior per specific child path.

Require and resolve global modules like a boss

The semantic version parser used by npm.

Formats data into a string table.

tar for node

The tmp package with promises support and disposers.

RFC9562 UUIDs

Lint your commit messages

Shareable commitlint config enforcing conventional commits

TypeScript definitions for chai

TypeScript definitions for ejs

TypeScript definitions for js-yaml

TypeScript definitions for node

TypeScript definitions for semver

TypeScript definitions for tmp

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

Extends Chai with assertions about promises.

Git commit, but play nice with conventions.

Generate a changelog from git metadata.

Run scripts that set and use environment variables across platforms

Commitizen adapter following the conventional-changelog format.

Modern native Git hooks

Validate JSON

Lint files staged by git

simple, flexible, fun test framework

TypeScript decorators based wrapper over mocha's interface

A gorgeous reporter for Mocha.js

the Istanbul command line interface

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

snyk library and cli utility

Fixes stack traces for files with source maps

TypeScript execution environment and REPL for node.js, with source map support