So, you're already writing unit tests for your components. Maybe you're even practicing TDD because you want your tests to improve your production code design. You… read more
Literal types in TypeScript allow for narrowing down the type to the exact value. You can communicate in the type system that the value has to be exactly this string not… read more
Software design and architecture is not something you can install with npm. If you disagree, nothing is stopping you from installing an opinionated JavaScript framework… read more
Static code analysis is a process of inspecting the source code to get some insights without actually running it. Which is why we call that process static. Static… read more
What’s io-ts? In theory, io-ts is a runtime type system for IO decoding/encoding. In practice, io-ts is an elegant solution to a very nasty problem. Statically-typed… read more
I think it’s fair to say that most programmers understand type safety as a feature of the programming language which eliminates the type errors. TypeScript as a… read more
Express is a microframework that according to 2018 Node.js User Survey Report is used by 4 in 5 back-end and full-stack node.js developers. Thanks to its simplicity… read more
Sequelize is an ORM for Node.js written in JavaScript, not TypeScript. Despite that good quality typings are available, it is not straightforward how to get up to speed… read more
Many functional programming languages like Haskell or Elm have a structural type system. This perfectly lines in with the direction in which majority of JavaScript’ish… read more
There are a few major reasons due to which you may find yourself creating a library. One, obviously, is that you have a solution which you would like to share with the… read more
TypeScript calls itself a JavaScript superset and compiler while Flow is a static type checker. TypeScript is developed by Microsoft and highly inspired by C# or Java… read more
