cofx
boxed
cofx | boxed | |
---|---|---|
2 | 6 | |
94 | 613 | |
- | 2.3% | |
0.0 | 8.4 | |
almost 2 years ago | 2 days ago | |
TypeScript | TypeScript | |
MIT License | MIT License |
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cofx
- I Avoid Async/Await
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I wrote a tiny generator runner that transparently concludes yielded promises, iterators, and effects, making your async flows cancellable and testable.
Nice! I wrote something similar awhile back, also inspired by redux-saga: https://github.com/neurosnap/cofx
boxed
- Boxed: Functional Types and Utilities for TypeScript
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The gotcha of unhandled promise rejections
I was happy when Promise became available, but in retrospect I'd wish we would have skipped ahead and gotten Observable (e.g: https://rxjs.dev/) instead to enable more powerful functionality and composition etc.
In Typescript dealing with rejection is also painful since rejection reasons can't be guaranteed to be Error even when you always take care of that. And it can't help you guarantee that you're handling all types of errors thrown. For that purpose I'm thinking of using https://github.com/supermacro/neverthrow#readme or https://swan-io.github.io/boxed.
- Boxed: Functional utility types and functions for TypeScript
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I Avoid Async/Await
Agree that try/catch is verbose and not terribly ergonomic, but my solution has been to treat errors as values rather than exceptions, by default. It's much less painful to achieve this if you use a library with an implementation of a Result type, which I admin is a bit of a painful workaround, but worth it. I've recently been using: https://github.com/swan-io/boxed.
By far the greatest benefit is being able to sanely implement a type-safe API. To me, it is utter madness throwing custom extensions of the Error class arbitrarily deep in the call-stack, and then having a catch handler somewhere up the top hoping that each error case is matched and correctly translated to the intended http response (at least this seems to be a common alternative).
- Boxed: Utility Types for Functional TypeScript
What are some alternatives?
async-sema - Semaphore using `async` and `await`
async - Easily run code asynchronously
conclure - ConclureJS
neverthrow - Type-Safe Errors for JS & TypeScript
rescript-compiler - The compiler for ReScript.
Nest - A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀
variant - Variant types in TypeScript
redux-saga - An alternative side effect model for Redux apps
async - Async utilities for node and the browser
htmx - </> htmx - high power tools for HTML