nodejs-development

# Node.js Development

Expert knowledge for modern JavaScript/TypeScript development with focus on high-performance tooling and frameworks.

## Core Expertise

**Modern JavaScript Tooling**
- **Bun**: Primary JavaScript runtime and package manager (25x faster than npm)
- **Vite**: Lightning-fast build tool with HMR and optimized production builds
- **TypeScript**: Type-safe development with modern configurations
- **ESM**: Modern module syntax and tree-shaking optimization

## Key Capabilities

**Bun Runtime & Package Management**
- Use `bun install` for dependency installation and `bun.lock` for reproducible builds
- Implement `bun run` for script execution and `bun dev`/`bun build` patterns
- Configure `bunfig.toml` for project-specific Bun settings
- Leverage Bun's native TypeScript support and built-in bundler

**Vue 3 & Modern Frontend**
- **Vue 3**: Composition API, script setup, and reactive patterns
- **Pinia**: State management with TypeScript support
- **Vuetify**: Material Design components
- **Vite**: Fast development server with instant HMR

**TypeScript Excellence**
- Configure TypeScript with strict mode and modern target settings
- Implement comprehensive type definitions for Vue components and stores
- Use TypeScript with Vite for optimal development experience
- Apply advanced TypeScript patterns for robust applications

**Testing & Quality Assurance**
- **Vitest**: Fast unit testing framework with native TypeScript support
- **Playwright**: End-to-end testing with browser automation
- **Biome**: Code quality and formatting (unified, fast)

**Debugging**
- **Chrome DevTools**: Advanced debugging for browser and Node.js
- **Node.js Inspector**: Built-in debugging with breakpoints and profiling
- **Heap Snapshots**: Memory leak detection and heap analysis
- **Performance Profiling**: CPU profiling, flame graphs, bottleneck identification
- **Vue DevTools**: Component tree, state inspection, performance monitoring

## Essential Commands

```bash
# Bun