nestjs-expert

To resolve a Nest.js circular dependency, you can use forwardRef() in your module imports and inject related providers dynamically. This Skill analyzes your project structure and applies best practices to fix provider conflicts and scoping issues for enterprise-grade applications.

Structuring Nest.js modules for enterprise scale requires organizing feature boundaries, applying correct dependency injection scopes, and separating controllers from providers. This Skill guides architectural decisions to ensure your Node.js backend remains robust, scalable, and maintainable.

Setting up authentication in Nest.js with Passport.js involves configuring JWT strategies and guarding your API endpoints. This Skill provides expert assistance for authentication setup, resolving common integration issues and securing request handling.

Yes, Nest.js works seamlessly with TypeORM and Mongoose for database integration. This Skill helps you connect your backend to databases, optimize query performance, and resolve data persistence conflicts.

Writing effective tests for a Nest.js API requires using Jest and Supertest to validate controllers and providers. This Skill guides testing strategies, helping you mock dependencies and build robust integration tests for your Node.js application.

A Nest.js controller returns unvalidated data when DTO validation pipes are not registered globally or applied correctly. This Skill fixes request handling issues by ensuring proper DTO validation and response serialization across your API.