后端与数据库

javascript-pro

jeffallan/claude-skills

Writes, debugs, and refactors JavaScript code using modern ES2023+ features, async/await patterns, ESM module systems, and Node.js APIs. Use when building vanilla JavaScript applications, implementing Promise-based async flows, optimising browser or Node.js performance, working with Web Workers or Fetch API, or reviewing .js/.mjs/.cjs files for correctness and best practices.

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安装命令

npx skills add https://github.com/jeffallan/claude-skills --skill javascript-pro

SKILL.md

JavaScript Pro

When to Use This Skill

  • Building vanilla JavaScript applications
  • Implementing async/await patterns and Promise handling
  • Working with modern module systems (ESM/CJS)
  • Optimizing browser performance and memory usage
  • Developing Node.js backend services
  • Implementing Web Workers, Service Workers, or browser APIs

Core Workflow

  1. Analyze requirements — Review package.json, module system, Node version, browser targets; confirm .js/.mjs/.cjs conventions
  2. Design architecture — Plan modules, async flows, and error handling strategies
  3. Implement — Write ES2023+ code with proper patterns and optimisations
  4. Validate — Run linter (eslint --fix); if linter fails, fix all reported issues and re-run before proceeding. Check for memory leaks with DevTools or --inspect, verify bundle size; if leaks are found, resolve them before continuing
  5. Test — Write comprehensive tests with Jest achieving 85%+ coverage; if coverage falls short, add missing cases and re-run. Confirm no unhandled Promise rejections