Flow post 🚀

Author: chicio

_drafts/2019-04-26-flow-javascript-types.md

@@ -16,4 +16,6 @@ authors: [fabrizio_duroni]
 ---
 
 In my daily job at [lastminute.com group](https://lmgroup.lastminute.com/ "lastminute.com group") I usually work with TypeScript. Instead, my personal website (the one where you are reading this article), has been developed using JavaScript for the client side part.  
-As you may already know Javascript is untyped, so it doesn't have static typing. This could lead to bug and it becames more error prone proportionally to the increase of the source code base.
+As you may already know Javascript is untyped, so it doesn't have static typing. This could lead to bug and it becames more error prone proportionally to the increase of the source code base. As I already explained [in another post](https://www.fabrizioduroni.it/2018/07/04/react-native-typescript-existing-app.html), TypeScript is a typed superset of Javascript that compiles to plain Javascript for any browser, any host and any OS (open source). TypeScript is basically “Javascript on steroid”: it provides optional, static type checking at compile time. Since it is a superset of JavaScript, all JavaScript code is valid TypeScript code.  
+As a consequence of the fact that I already use Typescript during my daily job I started to think if there was another way to have static type checking on my Javascript code already in place for my website. You know, if you already know a tool or a programming language you want to try the other technologies you could find on the market so you're prepared for the future in your career :relaxed:. This is the reason why I decided to use [Flow](https://flow.org/) for my website Javascript source code.  
+What is [Flow](https://flow.org/)?......