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skills/modern-javascript-patterns/SKILL.md

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+---
+name: modern-javascript-patterns
+description: Master ES6+ features including async/await, destructuring, spread operators, arrow functions, promises, modules, iterators, generators, and functional programming patterns for writing clean, efficient JavaScript code. Use when refactoring legacy code, implementing modern patterns, or optimizing JavaScript applications.
+---
+
+# Modern JavaScript Patterns
+
+Comprehensive guide for mastering modern JavaScript (ES6+) features, functional programming patterns, and best practices for writing clean, maintainable, and performant code.
+
+## Use this skill when
+
+- Refactoring legacy JavaScript to modern syntax
+- Implementing functional programming patterns
+- Optimizing JavaScript performance
+- Writing maintainable and readable code
+- Working with asynchronous operations
+- Building modern web applications
+- Migrating from callbacks to Promises/async-await
+- Implementing data transformation pipelines
+
+## Do not use this skill when
+
+- The task is unrelated to modern javascript patterns
+- You need a different domain or tool outside this scope
+
+## Instructions
+
+- Clarify goals, constraints, and required inputs.
+- Apply relevant best practices and validate outcomes.
+- Provide actionable steps and verification.
+- If detailed examples are required, open `resources/implementation-playbook.md`.
+
+## Resources
+
+- `resources/implementation-playbook.md` for detailed patterns and examples.