ESLint configuration package for Modern.js projects with TypeScript, type-checking, and Node.js support

TypeScript SDK for implementing the Model Context Protocol, enabling developers to build MCP servers and clients with support for multiple transports, tools, resources, prompts, and authentication

Mock HTTP server for testing HTTP clients and stubbing webservices

Simple, intuitive mocking of Node.js modules for testing and development.

JavaScript library for generating random data and intercepting Ajax requests

A configurable mock file system for Node.js testing that replaces the built-in fs module with an in-memory implementation.

Simple, flexible JavaScript test framework for Node.js and browsers with BDD/TDD/QUnit interfaces

A test runner that combines Mocha testing framework with webpack bundling capabilities for modern JavaScript applications

Generate multiple mocha reports in a single mocha execution.

Lightweight React bindings for MobX based on React 16.8+ and Hooks

Curated collection of efficient data structures for JavaScript/TypeScript applications.

Keep your MobX state in sync with react-router via a RouterStore

React bindings for MobX that enable the creation of fully reactive React components.

Device detection library that analyzes User-Agent strings to identify mobile devices, tablets, phones, operating systems, browsers, and device capabilities

Mock mate library for mocking functions, HTTP requests, and file system operations in Node.js testing

Missing ECMAScript module utils for Node.js

Recursively create directories like mkdir -p with both sync and async APIs

MJML head component for managing email template head elements

MJML wrapper component that enables wrapping multiple sections together for nested layouts with shared borders or background images.

MJML component that prevents columns from stacking on mobile devices by maintaining side-by-side layout in responsive emails