Typescript or not Typescript? More than ten years have passed since its birth, and many of us still struggle to understand and love it. It’s so simple but sometimes we don’t really know how it works.Well, it’s time to understand more and stop bypassing it with a simple any.Types, functions, literals, unions, intersections and so on: together, we will see all the notions that will lead you to start loving and using it to the fullest to ensure a more typologically secure future and perhaps not be hated by your future self.