ANSI colors and styles for Deno, Node.js, JavaScript, and TypeScript

Publish multiple editions for your JavaScript packages consistently and easily (e.g. source edition, esnext edition, es2015 edition)

An extended Error class that envelops a parent error, such that the stack trace contains the causation

TypeScript definitions for node

Intelligent, self-configuring ESLint configuration that automatically analyzes your project structure, dependencies, and metadata to apply optimal linting rules for JavaScript, TypeScript, React, Node

Fetch the current file and directory path, no matter your environment (Deno, Node.js, Web Browsers, ESM, CJS)

Kava has been powering accurate test suites for Node.js and Web Browsers since 2012.

Automatically makes package.json projects (such as npm packages and node.js modules) compatible with Deno.

Stop wasting time syncing and updating your project's README and Package Files!

Create api documentation for TypeScript projects.

TypeScript is a language for application scale JavaScript development

Check whether or not a directory and its descendants are valid

Verify that file or package, be it remote, or local, is a valid ECMAScript Module