Functional programming is becoming pervasive in every branch of development, and if you're starting a new frontend project you can choose from many languages that allow you to embrace FP from the start.
However, we can rarely afford to rewrite apps from scratch. So, what to do when you want to start solving problems with functional programming in your existing JavaScript application?
In this presentation, we'll see how we can progressively migrate a codebase to TypeScript and start reaping the benefits of functional programming. You'll learn how to sneak FP into your code base, and get away with it!