How to use const assertions in TypeScript
TypeScript 3.4 introduced const assertions, which allow you to claim a value as immutable. This is useful when working with arrays, as it prevents new values from being added to an existing array.
Tag: typescript
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- · hands on
How to write Express.js middleware with TypeScript
You can extend your Express.js server by writing custom middleware functions. These functions intercept every request and allow you to add custom functionality or filters. You can also pass the request to other middleware functions.
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Error TS1196: Catch clause variable type annotation
TypeScript's compiler doesn't allow custom type annotations for errors in try-catch statements. The simplest type guard is a conditional block with an instanceof check. Other type guards are presented in this article.
- · react
React with TypeScript for Beginners
In 2021, TypeScript's support for React apps has greatly improved. If you're new to TypeScript and React, you can learn how to develop your first React app from Amir Ghezelbash. He provides weekly tutorials starting from scratch to help you improve your React and TypeScript skills.
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When to use static methods in TypeScript?
Static methods in programming are functions that can be called directly from a class without needing to create an instance of the class. They are useful when you have a function that doesn't rely on any internal state of the class.