Couple of years working with TS and I think I can add my 5 cents here: 1. It is worth it, but not as much for benefit of types safety straight forward as for .

Couple of years working with TS and I think I can add my 5 cents here: 1. It is worth it, but not as much for benefit of types safety straight forward as for ... "intellisense" that discharge you from remembering stuff and misspelling it 2. It is annoying - they (MS/TS team) have very "conservative" approach which leads to: - no operators overloading, - no option to extend primitive types, - no option to get info about your types at transpile time, - no built in options to improve performance at transplantation time, - no built in options for transformation plugins - no other than JS transpilation targets - need of tons of other tools to make your actual target, - ... etc. At the end it does job well, but only because you put in it a lot of man hours (to learn, develop and maintain) - and everyone seem to be happy about that. Sorry for being a bit grumpy, but sometimes it feels like wasting a life working with TS. ;-) (especially when I read again what I just wrote ;-) ) Seriously, let me know MS/TS team if you need someone to drive to TS some real fresh new value ;-)