Effect-TS is a powerful ecosystem for building robust, type-safe, and highly concurrent applications in TypeScript using functional programming principles.

Can it help with software testing?

Yes, it guides you in using Layers and Context.Tags to create decoupled, mockable services that simplify unit and integration testing.

How does this skill help with refactoring?

It identifies standard async/await and try/catch patterns in your code and provides a structured mapping to Effect-based composition and pipeable operators.

Does it support data validation?

Absolutely. It emphasizes using @effect/schema to decode and validate data at system boundaries, ensuring only valid data reaches your core logic.

Effect-TS Guide

Name: Effect-TS Guide
Author: ProverCoderAI

byProverCoderAI

•

Learning & Documentation

Teaches and applies Effect-TS principles to build type-safe, resilient, and architecturally sound TypeScript applications.

This skill provides comprehensive guidance on leveraging the Effect-TS ecosystem to modernize TypeScript development. It helps users transition from standard async/await patterns to a functional, effect-oriented architecture featuring typed error handling, robust dependency injection via Layers, and automated resource management. Whether you are refactoring existing code or building new systems from scratch, this skill ensures adherence to best practices for @effect/schema validation and @effect/platform integration, resulting in highly testable and production-ready software.

Key Features

01Dependency injection patterns using Context.Tag and Layers

02Strongly typed error handling and union-based error modeling

03Data validation at system boundaries with @effect/schema

04Automated resource safety with acquireRelease and scoped lifetimes

05Functional architecture guidance using Effect-TS core principles

064 GitHub stars

Use Cases

01Mapping standard Node.js or Browser APIs to @effect/platform equivalents

02Refactoring Promise-based logic to Effect-TS for better error management

03Designing testable service layers using dependency injection

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add provercoderai/docker-git effect-ts-guide

For use in Claude.ai and ChatGPT

Download Skill