Modern TypeScript is amazing! - Jake Ginnivan

You think you know TypeScript? Unless you have been looking at it recently you likely have missed some of the amazing features shipped between TypeScript 2.0 and 2.6. Some of these language features exist in very few other languages and open up so many doors.

In this talk Jake will introduce you to TypeScript and run through a number of the latest language features including spread/rest operators which many Babel users love, Mapped Types, Generics and cover practical examples where he has been using these features to improve the code he is writing day to day and move runtime errors to compilation errors.

NDC Conferences

[axewellll]

Your assertNever function at minute 33 is wrong. What you need is the argument's type to be never. The fact that the function's return type is never doesn't matter for exhaustiveness checking (you don't have to throw an exception to assert never). So: function assertNever(block: never) { ... }

[brunoccs]

What does he mean by server-side rendered?