Imagine you run a courier company. You have hundreds of delivery staff. Every morning, a manager gives each of them a package with a destination address written on a slip of paper. One day, instead of ...

Why do we need it? JavaScript was created in 1995 for small browser scripts — ten-line programs that added basic interactivity to web pages. It was never designed for large, complex applications with ...

Now that the basics of TypeScript are covered, this section focuses on "how to accurately represent real-world code when values can take on different shapes." We will cover intersection types, type ...

In the previous section, we covered generics, one of TypeScript's most important tools for writing reusable and type-safe code. Section 10 builds directly upon that foundation. Once you understand how ...

A few years ago, Bloomberg Engineering decided to adopt TypeScript as a first-class supported language. This article shares some of the insights and lessons we learned during this journey. The ...