Agent skill · software engineering · aiskillstore
functional-patterns
Functional programming patterns that promote testability, composability, and maintainability.
Why this skill is useful
Provides specific functional programming patterns and examples that enhance testability and maintainability in Node.js/TypeScript applications.
What it needs
About 5k tokens when loaded. Last updated 2026-08-07. 405 stars on the source repository.
What this skill does
Functional Patterns for Node.js/TypeScript Overview Functional programming patterns that promote testability, composability, and maintainability. Pure Functions Definition A pure function: Always returns the same output for the same input Has no side effects (no I/O, no mutation) Examples Pure Core, Impure Shell Immutability Immutable Updates Function Composition Pipe and Compose Higher-Order Functions Result Pattern (Monadic Error Handling) Basic Result Type Result Operations Chaining Results Option/Maybe Pattern Dependency Injection via Functions
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills aiskillstore/functional-patterns