Recently in RxJS Primitives I encountered a situation where one of the methods - concat was initially designed to take an argument list of strings and in the method used rest (...args) parameters, mimicking the signature and passing them to the String.pro... (more…)

Types can be hard and this long-format essay tries to give a way of thinking about types and Typescript... (more…)

Stop writing Kubernetes YAML by hand, and start using the power of real programming languages! Pulumi now supports rendering YAML for Kubernetes resources. (more…)

When implementing TypeScript in our projects, we strive to write the best typings we can. We might often feel like using the [crayon-5e2f000e1ba2d664952471-i/] type defeats the purpose of TypeScript, and rightfully so. There are also some other types wort... (more…)

This PR expands upon #13604 to add support for mixin classes and constructors. The PR includes type system support for the ECMAScript 2015 mixin class pattern described here and here as well as rul...