variant
Variant types in TypeScript (by paarthenon)
purescript
A strongly-typed language that compiles to JavaScript (by purescript)
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| variant | purescript | |
|---|---|---|
| 5 | 52 | |
| 178 | 8,464 | |
| - | 0.3% | |
| 0.0 | 6.5 | |
| 2 months ago | 16 days ago | |
| TypeScript | Haskell | |
| Mozilla Public License 2.0 | BSD 3-clause "New" or "Revised" License |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
variant
Posts with mentions or reviews of variant.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-10-01.
-
Building React Components Using Unions in TypeScript
Variant
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ADTs in Typescript
When working in a TS codebase I'll lean on this variant library, which works pretty well as far as simple sum types go (v3 is great but not stable yet).
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disc-union - (yet another) library for working with discriminated union types
About half-way through writing this library I discovered that Variant existed... and does a great job at doing the exact same things (and more). I might not have started if I knew about that, but I'm glad I did because it has been a great learning experience!
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ts-pattern: pattern matching library for TypeScript, with smart type inference
Oddly enough, this feature alone has been a a big draw to Rust, Haskell and functional programming in general for me... so it's nice that there's libs filling the gap for TypeScript. Here's another one I haven't gotten around to trying yet either.
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Tool to normalize types (specifically intersections)?
I had to solve this for a project of mine.
purescript
Posts with mentions or reviews of purescript.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2024-02-29.
- Learning Elm by porting a medium-sized web front end from React (2019)
- Ask HN: Interest in a Rust-Inspired Language Compiling to JavaScript?
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Building React Components Using Unions in TypeScript
Naturally I’d recommend using a better language such as ReScript or Elm or PureScript or F#‘s Fable + Elmish, but “React” is the king right now and people perceive TypeScript as “less risky” for jobs/hiring, so here we are.
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Is there a better way to do read-only types
Unless you want to switch to https://www.purescript.org/.
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Why I'm Leaving Elm
PureScript[1][2] seems pretty alive these days. From my relatively small, self-contained experiments, it's a lot more flexible and expressive than Elm at the expense of (maybe?) being a bit harder to learn up-front.
[1]: https://www.purescript.org/
[2]:https://github.com/purescript/purescript
- (strongly typed) functional language compilers running in browser
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purescript VS purs-eval - a user suggested alternative
2 projects | 2 Mar 2023
- Por que Elm é uma linguagem tão deliciosa?
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I will die on this hill (curve)
*cough* I mean Purescript.
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My main beef with Haskell/JS
Assuming this is a PS knock, fwiw this went away a good bit ago: https://github.com/purescript/purescript/releases/tag/v0.14.2
What are some alternatives?
When comparing variant and purescript you can also consider the following projects:
type-fest - A collection of essential TypeScript types
fp-ts - Functional programming in TypeScript
boxed - Essential building-blocks for functional & safe TypeScript code
reason - Simple, fast & type safe code that leverages the JavaScript & OCaml ecosystems
TypeScript - TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
elm-reactor
ts-pattern - 🎨 The exhaustive Pattern Matching library for TypeScript, with smart type inference.
Elm - Compiler for Elm, a functional language for reliable webapps.
rescript-compiler - The compiler for ReScript.
Idris2 - A purely functional programming language with first class types
liquidhaskell - Liquid Types For Haskell
polysemy - :gemini: higher-order, no-boilerplate monads