Effect-TS/effect
Summary
Effect-TS/effect is a monorepo TypeScript library designed to help build robust, maintainable, and production-grade applications. It focuses on typed errors, dependency injection, structured concurrency, scheduling, tracing, and schema validation, with a long-term support (LTS) 4.x release and migration guidance for users upgrading from 3.x. The repo lists numerous packages, installation guidance, and community resources, underscoring its role as a comprehensive ecosystem for TS developers.