TypeScript articles

Articles related to TypeScript features or type systems in general

Testing
August 17, 2024
Nullable type narrowing in tests
Non-trivial integration tests in TypeScript projects might require us to use functions that return Nullable types, especially when asserting side effects. This might force us to use less that ideal solutions such as type assertions or type-check ignoring comments. However, there is much better and elegant solution which we'll explore in detail.
TypeScript
November 23, 2023
Hash Maps in TypeScript
In this post, we'll explore two different methods to implement Hash Maps with optional items in TypeScript and analyze the member access type safety.
CSS
January 24, 2022
The evolution of scalable CSS
The evolution of scalable CSS is a multi-part chronicle, intended to document the progress of tools and practices that enable us to write maintainable CSS at scale. It covers CSS scalability issues, CSS processors, essential good practices, methodologies, semantic and atomic CSS, styles encapsulation, CSS-in-JS, and type-safe CSS with Typescript.
React
September 21, 2021
The anatomy of React component files
This article describes in detail my personal and current approach to defining React component files and the rationale for each decision. It covers function components syntax with TypeScript.
TypeScript
December 27, 2020
Empty objects initialization with TypeScript
We'll examine multiple methods to initialize empty objects in TypeScript, which is something you'll probably have to deal with in any application that has some form of state management.