EFFECT SOLUTIONS

Effect Solutions is a high-level, prescriptive guide for writing idiomatic Effect programs.

Begin with Quick Start→ and run the Agent-Guided Setup.

Setup

Quick Start

How to get started with Effect Solutions

Project Setup

Install the Effect Language Service and strict project defaults

TypeScript Configuration

Recommended TypeScript compiler settings tuned for Effect

Core Patterns

Basics

Coding conventions for Effect.fn and Effect.gen

Services & Layers

ServiceMap.Service and Layer patterns for dependency injection

Data Modeling

Records, variants, brands, pattern matching, and JSON serialization

Error Handling

Schema.TaggedError modeling, pattern matching, and defects

Config

Effect Config usage, providers, and layer patterns

Testing

How to test Effect code with @effect/vitest

Ecosystem

Command-Line Interfaces

Build CLIs with Effect's CLI module: commands, arguments, flags, and service integration

EFFECTOR