roundest-mon VS TypeScript

My inspiration for this project was the incredible work of Theo from Ping Labs an ex-Twitch developer. I closely followed his development video for Roundest Pokemon, as it highlighted the same tech stack that I was interested in using. The T3 stack consists of TypeScript, Next.js, Prisma, and tRPC to create an end-to-end type-safe full-stack development ecosystem, with Tailwind CSS on top for styling. In addition, to quick-start the creation of my app with this stack, I used the create-t3-app CLI, which is maintained by his wonderful community.

Believe me or not, I had written and completed the app using Next's built-in API routing and handling system but the code was messy, had typecasting all over the place in order to mimic some sort of end-to-end type safety between the backend and the client. I have found tRPC to be a really useful tool and look forward to using it more often. If you would like to checkout a github repo that uses tRPC without NextAuth take a look at Roundest by Theo Browne

While we were fighting against the modules, we forgot one small detail - their built-in typings. Esbuild can't do this at all yet. Unbelievable, but the tsc, native TS compiler, also does not provide a typings concat feature. Got around this problem: we've introduced [a utility to combine typings](tsc-dts-fix of zx own code, and applied some monkey patches for external libdefs squashed via dts-bundle-generator.

Regular expressions are part of the language, so it's not so unreasonable that TypeScript should parse them and take their semantics into account. Indeed, TypeScript 5.5 will include [new support for syntax checking of regular expressions](https://github.com/microsoft/TypeScript/pull/55600), and presumably they'll eventually be able to solve the problem the GP highlighted on top of those foundations.

Dedicated syntax for creating unique subsets of a type that denote a particular refinement is a longstanding ask[2] - and very useful, we've experimented with implementations.[3]

I don't think it has any relation to runtime type checking at all. It's refinement types, [4] or newtypes[5] depending on the details and how you shape it.

[1] https://github.com/microsoft/TypeScript/blob/main/src/compil...

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