I'm really worried about the wholesale move to Typescript in so many projects. To me it's the new coffeescript combined with the verbosity of J2EE. Yes it's corporate sponsored, so hopefully will be maintained indefinitely - but I like JavaScript, and Typescript isn't JS. What's worse is so many developers using their own slightly tweaked versions of JavaScript. I spent a solid day this week trying to get decorators…
Considering that you don't need to use it unless you plan on contributing to Vue.js itself, my (sincere) question is: Why does it matter to you?