Level Up Your React Skills with TypeScript: An Exploration of the Most Fundamental Features

Ladies and Gentlemen, buckle up because we are about to embark on a wild ride through the world of TypeScript! As a React developer, you may already be familiar with the magic of functional components and hooks. But have you explored the world of TypeScript? If not, it’s time to grab your helmet and join me on this journey to discover the most important and advanced TypeScript features that will take your React game to the next level.

First up, let’s talk about optional typing. In JavaScript, we often have to rely on comments or developer documentation to understand what type of value a particular variable or function argument is supposed to be. With TypeScript, we can say goodbye to this guessing game and hello to optional typing. Simply add a colon followed by the type of value you expect, and TypeScript will handle the rest.

For example, let’s say we want to create a function that takes in a name and an age and outputs a greeting. In JavaScript, this would look something like…