Modern Javascript Patterns

1---
2name: modern-javascript-patterns
3description: 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.
4---
5 
6# Modern JavaScript Patterns
7 
8Comprehensive guide for mastering modern JavaScript (ES6+) features, functional programming patterns, and best practices for writing clean, maintainable, and performant code.
9 
10## Use this skill when
11 
12- Refactoring legacy JavaScript to modern syntax
13- Implementing functional programming patterns
14- Optimizing JavaScript performance
15- Writing maintainable and readable code
16- Working with asynchronous operations
17- Building modern web applications
18- Migrating from callbacks to Promises/async-await
19- Implementing data transformation pipelines
20 
21## Do not use this skill when
22 
23- The task is unrelated to modern javascript patterns
24- You need a different domain or tool outside this scope
25 
26## Instructions
27 
28- Clarify goals, constraints, and required inputs.
29- Apply relevant best practices and validate outcomes.
30- Provide actionable steps and verification.
31- If detailed examples are required, open `resources/implementation-playbook.md`.
32 
33## Resources
34 
35- `resources/implementation-playbook.md` for detailed patterns and examples.
36