nestjs-expert

Provide expert guidance on Nest.js architecture, DI, and testing.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/phuxp17/demo_web --skill nestjs-expert-phuxp17
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: nestjs-expert
Source: https://github.com/phuxp17/demo_web/tree/main/.agent/skills/nestjs-expert
Command: npx skills add https://github.com/phuxp17/demo_web --skill nestjs-expert-phuxp17

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill provides expert guidance for Nest.js projects to resolve architecture, dependency injection, middleware, guards, interceptors, and testing challenges, enabling robust and scalable applications.

Core Features & Use Cases

  • Architectural design and module organization for large Nest.js projects
  • Dependency injection patterns, provider scopes, and circular dependency mitigation
  • Implementation of middleware, guards, interceptors, and pipes with best practices
  • Testing strategies using Jest and Supertest, including unit and integration tests
  • TypeORM and Mongoose integration, authentication with Passport.js, and secure configuration

Quick Start

Invoke the nestjs-expert skill on a Nest.js project to review architecture, propose modularization and DI improvements, and outline a testing plan.

Frequently Asked Questions about nestjs-expert

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I resolve circular dependency injection issues in a Nest.js app?

Circular dependency injection in Nest.js can be mitigated using forward references and module restructuring. This skill provides expert guidance on DI patterns, provider scopes, and modularization strategies to resolve deep dependency injection issues in enterprise-grade applications.

What's the best way to structure a large Nest.js project for modularization?

Structuring large Nest.js projects requires strategic module organization and boundary enforcement. This skill helps you design scalable architecture by providing modularization patterns, middleware configuration, and provider scope management to maintain robust enterprise applications.

How do I set up unit and integration testing in Nest.js using Jest and Supertest?

Nest.js testing strategies with Jest and Supertest involve configuring unit and integration tests for controllers and services. This skill outlines comprehensive testing plans, enabling you to validate application behavior, secure endpoints, and ensure robust module interactions.

Does this skill help with implementing Passport.js authentication and TypeORM integrations in Nest.js?

Yes, this skill supports Nest.js database integrations using TypeORM and Mongoose, alongside Passport.js authentication. It provides expert guidance on implementing secure configuration, middleware, and guards to protect application routes and manage data flow.

When should I use guards, interceptors, or pipes in my Nest.js architecture?

Guards handle authorization, interceptors manage request lifecycle mapping, and pipes transform or validate data in Nest.js. This skill details best practices for implementing these patterns, ensuring your middleware and security layers are applied correctly.