TypeScript 5.0

Post by TOGoS » Thu, Mar 16, 2023, 6:34 PM UTC

JamesSwift wrote: post #8

dimitropoulos wrote: post #2

Without Angular, we may very well not have TypeScript today. The top thing listed in this release (TypeScript doesn't follow semver, btw) is about Decorators. I find the whole story about Angular's role in TypeScript early days to be very fascinating because I don't hear people talk about it anymore (just search "AtScript TypeScript" if you weren't around at the time). It was the Angular team that forced Decorators t…

One of my most regretted decisions was evaluating Flow vs Typescript and going with Flow. Years later I had the opportunity to use Typescript and it was so nice comparatively. I've enjoyed it ever since. Of course, that was with years of development in its belt so maybe the experience wouldn't have been as nice if I went with it originally.

Post by dimitropoulos » Thu, Mar 16, 2023, 6:36 PM UTC

throwaway56960 wrote: post #54

dimitropoulos wrote: post #23

Earlier quoted context omitted.

for a lot of people it was some combination of: - Flow has more adoption (it did, for a while, in the OSS sphere) - Microsoft is evil (remember, this was before everyone was using VS Code and loving it. (Also, tautologically, TypeScript has been one of the biggest things that changed this public perception for the people I hang around)) - Facebook is awesome (oh, how times have changed...) - Flow has total type sound…

TypeScript could be used with React at least since 2015, that's when I first used that combo in production.

Post by JamesSwift » Thu, Mar 16, 2023, 6:38 PM UTC

latchkey wrote: post #19

JamesSwift wrote: post #8

Earlier quoted context omitted.

One of my most regretted decisions was evaluating Flow vs Typescript and going with Flow. Years later I had the opportunity to use Typescript and it was so nice comparatively. I've enjoyed it ever since. Of course, that was with years of development in its belt so maybe the experience wouldn't have been as nice if I went with it originally.

I'm curious what criteria you used to pick Flow vs. Typescript.

Post by [deleted] » Thu, Mar 16, 2023, 6:42 PM UTC

endisneigh wrote: post #50

I have a strange take - I think Typescript types are better most other languages, including Java, C++ and Go. It's strange since TypeScript is adding types to a weakly typed language. If we could push JavaScript performance to be another order of magnitude faster it wouldn't be necessary to use other languages, imho. Of course, pushing it that far without effectively creating a new one would be difficult, to say the…

Post by topspin » Thu, Mar 16, 2023, 6:44 PM UTC

seanalltogether wrote: post #34

com2kid wrote: post #7

Question, is there anything decorators can do that higher order functions and higher order classes cannot already accomplish? I typically dislike decorators because they are spooky action at a distance, and whenever I look at code in a language that has decorators, the code almost becomes a DSL of sorts. Not that HoF and HoC don't tend towards the same problems, React used to be famous for how often HoC got used in t…

My favorite usage for decorators in java is for defining http requests, it lets you write stuff like this @GET("/users/{id}") function loadUser(id: int): Promise {} @PUT("/users/{id}") function updateUser(id: int, user: User): Promise {}

    path("/api", () -> {
        before("/*", (q, a) -> log.info("Received api call"));
        path("/email", () -> {
            post("/add",       EmailApi.addEmail);
            put("/change",     EmailApi.changeEmail);
            delete("/remove",  EmailApi.deleteEmail);
        });
        path("/username", () -> {
            post("/add",       UserApi.addUsername);
            put("/change",     UserApi.changeUsername);
            delete("/remove",  UserApi.deleteUsername);
        });
    });