nestjs-expert

Resolve Nest.js circular dependencies by restructuring module imports, providers, and exports. The Skill suggests forwardRef and consolidation strategies to eliminate missing providers and untangle dependency injection failures.

Set up Passport JWT guards in Nest.js by validating execution context and async flows. The Skill reviews Passport-based authentication configurations to ensure secure and predictable request handling.

The best way to set up Jest and Supertest for Nest.js e2e testing is configuring test suites that validate module and configuration changes. The Skill recommends testing setups so CI pipelines pass consistently across enterprise Node applications.

Nest.js middleware or guards execute in the wrong order due to misconfigured execution context and async flow handling. The Skill validates execution order and context handling to ensure request handling behaves predictably for auth and validation scenarios.

Yes, you can use TypeORM with Nest.js module architecture without breaking dependency injection. The Skill reviews TypeORM configurations alongside module boundaries and provider exports to ensure database integration wiring does not fail at boot or runtime.

Yes, this approach works for enterprise Node applications using Nest.js interceptors and pipes. The Skill validates execution order, context handling, and async flows across middleware, guards, and interceptors while enforcing logging and security requirements.