generator
transfermyti.me
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| generator | transfermyti.me | |
|---|---|---|
| 5 | 1 | |
| 4 | 59 | |
| - | - | |
| 7.7 | 7.6 | |
| 6 months ago | 3 months ago | |
| TypeScript | TypeScript | |
| MIT License | MIT License |
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generator
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Ramda: A practical functional library for JavaScript programmers
I find straight forward, dedicated combinators much more readable and practical to use ie. for iterables (context where it makes a lot of sense) [0] example [1], runtime assertions (through refutations, which are much faster than combinators over assertions) [2], parser combinators for smallish grammars [3] etc.
In many cases vanilla/imperative js is more readable and terse, no need to bring functional fanaticism everywhere, just in places where it gives true benefits and in form that can be understood by peers.
Functional code can be beautiful and can also be unreadable/undebugable. Same with imperative code. It's great in js/ts you can pick approach where the problem is expressed more naturally and mix it at will.
[0] https://github.com/preludejs/generator
[1] https://observablehq.com/@mirek/project-euler
[2] https://github.com/preludejs/refute
[3] https://github.com/preludejs/parser
- Why Would Anyone Need JavaScript Generator Functions?
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A pipe operator for JavaScript: introduction and use cases
You can type it, take a look at pipe and pipe1 in [0].
[0] https://github.com/preludejs/generator/tree/master/src
- Parser Combinators in Haskell
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Loopless Code
Loops are great if your programming languages supports iterables/iterators/generators (also async generators) like in js/ts for example.
Especially generator-to-generator combinators ie. [0] give you terse, transducer expressiveness over computation on finite/infinite streams, arrays, etc. (all iterables). It's easy to compose them, jump into for loops if needed for arbitrary yielding (ie. yielding multiple items sometimes, skipping some, halting etc). `continue`, `break`, nesting, yield, yield from, normal code in for loops is very intuitive and terse creating pleasant, understandable code.
[0] https://github.com/preludejs/generator
transfermyti.me
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Why Would Anyone Need JavaScript Generator Functions?
I'm 1000% with you on this. If you're dealing with a bunch of operations that need to happen in a very specific order, there's really nothing else out there that comes close. I'm able to look at saga code I've written months (or years!) ago and figure out what's going on in a short amount of time without having to jump around.
I used sagas pretty heavily in an app I built to transfer data between Clockify and Toggl, which required that data be fetched/loaded into state in a very specific order[1]. You can't be sagas for clarity.
[1]: https://github.com/mikerourke/transfermyti.me/blob/main/src/...
What are some alternatives?
angstrom - Parser combinators built for speed and memory efficiency
Bumble - A small JavaScript game framwork
assert-combinators - Functional assertion combinators.
foal-ts-monorepo - Boilerplate for building a volatility-based system using Foal for the server and Create React App for the client
ppipe - pipes values through functions, an alternative to using the proposed pipe operator ( |> ) for ES
async-generator - Async generator module.
notion-sdk-js - Official Notion JavaScript Client
Bumble-Asteroids - An asteroids like game built with the Bumble framework and using Entity Component System
IxJS - The Interactive Extensions for JavaScript
bitstream - Utilities for packing/unpacking fields in a bitstream
skytransfer - Free, open-source, decentralized and encrypted filesharing.