Chapter 7.Generics | Typescript Masterclass | Code With Soumyajeet

Welcome to the TypeScript Masterclass! In this video, we’re diving into Strategy Design pattern– a powerful design pattern that helps make your code cleaner, more modular, and easily testable! If you’re looking to take your development skills to the next level, Generics is a must-know technique used in many frameworks like Angular, NestJS, .NET, and Spring.

Generics in TypeScript are a powerful feature that allows you to create reusable and flexible components while maintaining strong type safety. They enable developers to write functions, classes, and interfaces that can work with a variety of data types without sacrificing the benefits of TypeScript’s type system. By using generics, you can create code that adapts to different types, making it easier to handle dynamic scenarios and reduce redundancy. For example, a generic function can accept arrays of any type—strings, numbers, or custom objects—while still enforcing type rules. Generics also support constraints, allowing you to specify certain conditions that a type must meet. They are widely used in libraries like React and NestJS, where flexibility and type safety are crucial, making them an essential concept for any TypeScript developer to master.

00:00 Introduction
01:03 Generics on Function
10:10 Generics on Classes
16:20 Generics on Interface
25:10 Introduction to Generic Constraints
25:30 Constraining Generic to a Premitive Type
27:19 Constraining Generic to an Object Type
32:41 Constraining Generic to a Function Type
40:30 Constraining Generic to a Class Type
45:20 Constraining Generic to a Key Of Object Type
53:47 Constraining Generic to Literal Types
55:36 Constraining Generic to Object of Class That implements an Interface
59:34 Conclusion and Outro


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