fp-ts-backend

Apply fp-ts functional programming to Node.js/Deno backend services.

11|3|Updated Jan 30, 2026

Search Tags:#Node.js #backend #type-safety #functional-programming #dependency-injection #fp-ts #Deno

Ready to run

npx skills add https://github.com/whatiskadudoing/fp-ts-skills --skill fp-ts-backend

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: fp-ts-backend
Source: https://github.com/whatiskadudoing/fp-ts-skills/tree/main/skills/fp-backend
Command: npx skills add https://github.com/whatiskadudoing/fp-ts-skills --skill fp-ts-backend

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Solves backend logic complexity for Node.js/Deno services by applying functional programming with fp-ts.

Core Features & Use Cases

Building type-safe service layers with ReaderTaskEither
Dependency injection patterns for backend services
Advanced error handling and composable pipelines

Quick Start

Install fp-ts and TypeScript in your project, then structure your backend services using ReaderTaskEither driven by a minimal dependency container.

Frequently Asked Questions about fp-ts-backend

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I manage backend complexity in Node.js using functional programming?▼

Manage backend complexity by applying functional programming with fp-ts to build type-safe service layers. This approach handles complex logic in Node.js by creating composable pipelines and robust error handling structures.

How do I implement dependency injection in a TypeScript backend service?▼

Implement dependency injection in a TypeScript backend by structuring services using fp-ts ReaderTaskEither driven by a minimal dependency container. This functional pattern allows you to inject dependencies cleanly into composable pipelines.

What is the best way to handle errors functionally in a Deno backend?▼

Handle errors functionally in a Deno backend by leveraging fp-ts to build robust error handling pipelines. Using ReaderTaskEither ensures errors are managed predictably within your type-safe service layers.

Can I use fp-ts to build type-safe service layers for Node.js?▼

Yes, you can use fp-ts to build type-safe service layers for Node.js. It enables functional architecture patterns like ReaderTaskEither to enforce type safety and manage side effects declaratively.

Do I need TypeScript to apply functional backend patterns with fp-ts?▼

Yes, TypeScript is required to apply functional backend patterns with fp-ts. The architecture relies on TypeScript's type system to enforce type-safe service layers and functional composition.

When should I use ReaderTaskEither for backend service composition?▼

Use ReaderTaskEither for backend service composition when you need to combine dependency injection with asynchronous operations and robust error handling. It structures complex backend logic into predictable, type-safe pipelines.