In this video, you’ll learn:
✅ What Is an Interceptor in NestJS?
✅ Key Differences Between Middleware and Interceptors
✅ How to Build a Custom Logging Interceptor
✅ Transforming Responses and Handling Errors Effectively
✅ Supercharge Your APIs with Caching
✅ A Quick Dive Into Observables and RxJS Operators (map, tap, of)
Perfect for developers looking to create clean, scalable, and production-ready NestJS applications! 💪
📚 Chapters:
0:00 🔥 Intro
0:29 ❓ What is an Interceptor?
0:52 ⚙️ Middleware vs. Interceptor: What’s the Difference?
4:41 📝 Building a Logging Interceptor
6:39 🚀 Applying the Interceptor in NestJS
11:30 📊 What is an Observable in JavaScript?
13:52 🎯 RxJS (of)Operator Explained
14:51 🛠️ RxJS (tap) Operator for Side Effects
15:31 🔄 RxJS (map) Operator for Data Transformation
17:17 🔄 Transforming API Responses Using Interceptors
18:57 ❌ Error Handling with Interceptors
22:05 💾 Caching Responses for Performance Boost
🔗 Helpful Links:
⭐ GitHub Code Repo: https://github.com/vahid-nejad/NestJS-Interceptors
💬 Got questions? Drop them in the comments—I answer every single one!
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