Today we’re proud to release TypeScript 4.1! If you’re unfamiliar with TypeScript, it’s a language that builds on JavaScript by adding syntax for type declarations and annotations. This syntax can be used by the TypeScript compiler to type-check our code,... (more…)

Today we are excited to announce the beta release of TypeScript 4.7! To get started using the beta, you can use npm with the following command: npm install typescript@beta You can also get editor support by Downloading for Visual Studio 2022/2019 Followi... (more…)

I recently read Asana's blog post on TypeScript quirks and took particular interest in the first TypeScript quirk they mention. While it may seem like an inconsistency, the way the type system behaves here is entirely logical. (more…)

I struggled to find an explanation from a low-level view of exactly how a “JavaScript type system compiler” is implemented. I understood… (more…)

Today we are excited to announce the beta release of TypeScript 4.7! To get started using the beta, you can use npm with the following command: npm install typescript@beta You can also get editor support by Downloading for Visual Studio 2022/2019 Followi... (more…)