Javascript

This skill provides comprehensive coding standards and best practices for TypeScript, JavaScript, React, and Node.js development. It covers principles like KISS, DRY, and YAGNI, along with practical guidance on variable naming, error handling, async patterns, React components, API design, and testing standards.

A comprehensive guide for implementing JavaScript and TypeScript testing strategies. Covers unit testing, integration testing, mocking patterns, React component testing with Testing Library, test fixtures, and best practices for test-driven development using Jest and Vitest.

A comprehensive reference guide for modern JavaScript (ES6+) features and patterns. Covers arrow functions, destructuring, async/await, Promises, functional programming, classes, modules, iterators, generators, and performance optimization techniques for writing clean, maintainable code.

This skill provides comprehensive guidance for JavaScript and TypeScript development, covering testing frameworks (Jest, Vitest, Testing Library), modern ES6+ patterns including async/await and functional programming, Node.js backend architecture with Express/Fastify, and advanced TypeScript type system features like generics and conditional types.

This skill provides setup instructions for the TypeScript Language Server, which adds code intelligence features like go-to-definition, find references, and error checking for TypeScript and JavaScript files in Claude Code.

A comprehensive reference guide for Three.js fundamentals including scene setup, camera types (Perspective, Orthographic, Cube, Array), WebGL renderer configuration, Object3D hierarchy, and essential math utilities. Provides ready-to-use code snippets for common 3D graphics tasks like animation loops, responsive canvas handling, and proper resource cleanup.

A comprehensive reference guide for Three.js animation systems including keyframe animations, skeletal animation, morph targets, and animation blending. Provides code examples and best practices for creating smooth 3D animations in web applications.

Aberdeen is a reactive UI library for building web interfaces in plain TypeScript/JavaScript. It provides fine-grained reactivity using ES6 Proxies, automatic DOM updates without virtual DOM, built-in routing, component-local CSS with Tailwind-like shortcuts, and transition animations. The skill helps developers understand and use Aberdeen's API for creating reactive web applications.

A comprehensive guide for creating interactive data visualizations using D3.js. Provides detailed code patterns for bar charts, line charts, scatter plots, heatmaps, chord diagrams, force-directed networks, geographic maps, and hierarchical visualizations, along with reference materials for color schemes, scales, and responsive design.