TypeScript Interfaces vs. Types: Which one should you use?

Description

Struggling to decide between an Interface and a Type in TypeScript? In this video, we break down exactly how to aggregate data, implement classes, and use advanced features like Unions and Intersections. What you’ll learn: ✅ What are Interfaces? How to define object structures for cleaner code. ✅ The isLegal Assignment: A practical walkthrough of using interfaces in functions. ✅ Implementing Interfaces: Using the implements keyword to create class variants (like Managers and CEOs). ✅ The Power of Types: Why types are essential for Unions (|) and Intersections (&). ✅ The Verdict: When to choose one over the other. Timestamps: 0:00 - Introduction 0:45 - Defining your first Interface 2:15 - Coding Assignment: The isLegal function 4:00 - Implementing Interfaces in Classes 6:30 - What are Types? 7:45 - The Magic of Unions (Why Interfaces can't do this!) 9:15 - Intersection Types 10:30 - Summary & Best Practices