I think it’s more likely that TypeScript’s features will just be subsumed into Ecma262 with some adjustments to support backward compatibility. IMHO part of Typ

I think it’s more likely that TypeScript’s features will just be subsumed into Ecma262 with some adjustments to support backward compatibility. IMHO part of TypeScript’s staying power has been that the changes it makes are more conceptually radical compared to the useful but relatively lightweight sugar of Coffeescript for example.