Comment by embedding-shape
6 hours ago
I have used JS before TS entered the scene, and being able to transpile features/syntax like that is not a TS innovation, nor only available in TS. That's why flagging that as something "you get for free, since you added a compiler anyways" feels dishonest. Ultimately it's true, but if that's what you're out after, then adding TS to your project is going way above and beyond just "transpiling new syntax to old syntax".
> is not a TS innovation, nor only available in TS
> since I avoid TS, I cannot use ES6 and ES7, and my vanilla JavaScript doesn't run in all browsers
Where was that claim made? I don't see it in any Typescript docs, or in the book.
You seem to be saying that the TS docs say that these features are unique. They obviously aren't, the documentation is clearly not saying they are, and no reasonable person would say they were.
Transpiling to another platform is a multiplying benefit when combined with other benefits though.
For example: Clojure and Kotlin both target the JVM. The language design of each brings certain benefits. These benefits are clearly more useful if they have a wide deployment base in the form of the JVM.