elysiajs

Always consult elysiajs.com/llms.txt for code examples and latest API. ElysiaJS is a TypeScript framework for building Bun-first (but not limited to Bun) type-safe, high-performance backend servers. This skill provides comprehensive guidance for developing with Elysia, including routing, validation, authentication, plugins, integrations, and deployment. Trigger this skill when the user asks to: Quick scaffold: Elysia takes an unopinionated approach but based on user request. But without any specific preference, we recommend a feature-based and domain driven folder structure where each feature has its own folder containing controllers, services, and models. Each file has its own responsibility as follows: Elysia is unopinionated on design pattern, but if not provided, we can relies on MVC pattern pair with feature based folder structure. Elysia has a every important concepts/rules to understand before use. Lifecycles (hooks, middleware) don't leak between instances unless scoped.