Typescript

A benefit of a strong type system is the ability to have good guard rails that tell you when you’ve writing an invalid program, without having to run it. However, to be truly useful it needs to be possible and ideally easy to define interfaces and method signatures once, and simply transform these for their various applications. In react/redux applications you define actions, and these are dispatched to mutate state or trigger side effects. I’m just using this as a way of introducing the TypeScript example, rather than suggesting what follows is a good way of solving this problem (e.g., libraries like Typesafe Actions exists to solve this problem specifically). ...