Today’s announcement by Microsoft: [...] we’ve begun work on a native port of the TypeScript compiler and tools. The native implementation will drastically improve editor startup, reduce most build times by 10×, and substantially reduce memory usage. This blog post looks at some of the details behin...

Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine.

Embarking on a native port of the existing TypeScript compiler and toolset to achieve a 10x performance speed-up.

Learn how to build an efficient cosine similarity function in TypeScript for comparing vector embeddings. This step-by-step guide includes code examples, performance optimizations, and practical applications for semantic search and AI recommendation systems

I’m writing books about TypeScript and I do workshops and trainings online and in-house. Every time I meet a new group of developers there are some TypeScript facts that they need to be confronted with:

Recursion is the way to create iterative algorithms in the type level.

Mutation testing evaluates the quality of your test suite by introducing small changes (mutations) to your code and checking if your tests can detect them. This tutorial will guide you through understanding mutation testing, setting up Stryker for TypeScript, and using it to enhance your test suite ...

How the concept of branded types allows describing primitives more precisely than TypeScript normally allows.

Microsoft introduces more granular checks for branches within return expressions in TypeScript 5.8, punts checking against conditional types in returns to TypeScript 5.9.

Today we’re excited to announce the release of TypeScript 5.8! If you’re not familiar with TypeScript, it’s a language that builds on top of JavaScript by adding syntax for types. Writing types in our code allows us to explain intent and have other tools check our code to catch mistakes like typos, ...

Today we are excited to announce the availability of TypeScript 5.8 Beta. To get started using the beta, you can get it through npm with the following command: npm install -D typescript@beta Let’s take a look at what’s new in TypeScript 5.8! Checked Returns for Conditional and Indexed Access Types C...

Today we excited to announce the availability of TypeScript 5.7! If you’re not familiar 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, and it can also be era...

Today we’re excited to announce the release of TypeScript 5.6! If you’re not familiar with TypeScript, it’s a language that builds on top of JavaScript by adding syntax for types. Types describe the shapes we expect of our variables, parameters, and functions, and the TypeScript type-checker can hel...

Today we are excited to announce the availability of the release candidate of TypeScript 5.6. To get started using the RC, you can get it through npm with the following command: npm install -D typescript@rc Here’s a quick list of what’s new in TypeScript 5.6! Disallowed Nullish and Truthy Checks Ite...

A lightweight approach to maintainable systems