effect
Elm
effect | Elm | |
---|---|---|
25 | 198 | |
4,657 | 7,451 | |
15.8% | 0.2% | |
9.9 | 5.4 | |
7 days ago | about 2 months ago | |
TypeScript | Haskell | |
MIT License | BSD 3-clause "New" or "Revised" License |
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effect
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Exploring Effect, a meta-state RxJS-like framework
Effect is a functional library for building and composing asynchronous, concurrent, and reactive programs in TypeScript. It focuses on providing a robust and type-safe way to manage side effects in your programs.
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A better way to handle errors in JavaScript
Just use a library that already contains this and more functional programming idioms, like fp-ts or its successor, Effect [0]. It is a little more complex to learn but much more robust that simply implementing your own Result and other types.
[0] https://www.effect.website/
- opinions about Effect-TS, do you recommend using it? when to use it? When to avoid it? not worth it?
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Building React Components Using Unions in TypeScript
effect-ts
- Effect - A set of libraries to write better TypeScript
- Effect – A set of libraries to write better TypeScript
- Effect-ts: a library for writing ZIO-like effect-based applications
- Effect, a functional effect system for TypeScript with a rich standard library
- Effect: A functional effect system for TypeScript with a rich standard library
- Alternatives to scala FP
Elm
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Ludic: New framework for Python with seamless Htmx support
Elm [1] is based on a similar idea. Build your app from pure functions that return HTML tags.
[1] https://elm-lang.org/
- Learning Elm by porting a medium-sized web front end from React (2019)
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Can you make your own JavaScript by implementing ECMAScript standard?
You also wouldn't really be creating your own new programing language. You would be creating something that can run JavaScript by following JavaScript standards and syntax. You might be able to add some non-standard features of your own on top of those standards, or include your own standard library of helpers or utilities, but you can't completely make a new or alternative language and then load it in the browser (or at least not by reimplementing ECMAScript standards... you actually can make your own language that runs within any Javascript enviroment, if you provide an interpreter or compiler that transforms it into valid JS. Some people have done something like this, eg Elm: https://elm-lang.org/).
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What is the best way to present the user the results of Haskell computations?
You should at least have a look at https://elm-lang.org/ it is a pure functional language like Haskell (although with fewer fancy syntax/type classes) but it has some lovely libraries for visualisation and even with plain elm (+ elm-ui) doing string transformations can be easily done.
- Course using F#: Write your own tiny programming system(s)
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Building React Components Using Unions in TypeScript
I get it. However, the whole point of using Unions to narrow your types, ensure only a set of possible scenarios can occur, and only access data of a particular union when it’s safe to do so. That’s some of what pattern matching can provide, and 100% of what using switch statements in TypeScript with their Discriminated Unions can provide. Yes, it’s not 100% exhaustive, but TypeScript is not soundly typed, and even Elm which is still has the same issue TypeScript does: You’re running in JavaScript where anything is possible. So it’s good enough to build with and much better than what you had.
- What's the state of the Elm repo? · Issue #2308 · elm/compiler
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How to render a basic calendar UI in Elm
The beauty of a language like Elm (and other lambda-calculus / functional programming inspired languages) is that there's very little transformation involved in going from an idea to code. And that seems to have a big impact on getting things done.
- Como desenvolvi um backend web em Clojure
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Is it possible to write games like Pac-Man in a functional language?
I think the most fun and approachable way for beginners to build games with functional programming is with Elm [1].
See a few (small, demo) games built by the community in [2] .
Notice Elm has abandoned the FRP approach in favor of Model-View-Update [3].
[1] https://elm-lang.org/
What are some alternatives?
fp-ts - Functional programming in TypeScript
rescript-compiler - The compiler for ReScript.
pratica - 🥃 Functional Algebraic Data Types
haskelm - Haskell to Elm translation using Template Haskell. Contains both a library and executable.
tyrian - Elm-inspired Scala UI library.
purescript - A strongly-typed language that compiles to JavaScript
contentlayer - Contentlayer turns your content into data - making it super easy to import MD(X) and CMS content in your app
yew - Rust / Wasm framework for creating reliable and efficient web applications
eslint-plugin-functional - ESLint rules to disable mutation and promote fp in JavaScript and TypeScript.
idris - A Dependently Typed Functional Programming Language
Index - ⚡ Pattern Matching in Typescript
reflex - Interactive programs without callbacks or side-effects. Functional Reactive Programming (FRP) uses composable events and time-varying values to describe interactive systems as pure functions. Just like other pure functional code, functional reactive code is easier to get right on the first try, maintain, and reuse.